Senior Aix Systems Engineer Resume
Jackson, MS
SUMMARY:
- A Certified and experience Unix/Aix and Linux administrator/engineer with over 22 years of experience in IT and 17 years in Unix/Aix administration/Architecture/engineer.
- Certified in Confidential AIX 7.1
- Extensive knowledge in Confidential Power systems including extensive knowledge in implementation of Shared Processor Pool designed
- Expert in Confidential Power Systems design including Capacity management, shared processor pools, auditing of the shared processor pools, performance of the shared pools and individual Confidential, and much more
- Expert in NPIV technology implementation as well as vscsi
- Expert in duo VIOs implementation with fail over policy for redundancy
- Expert in data center migration and storage migration both in a Live Partitions Mobility Environment and non LPM environment
- Expert in the Configuration of Power SystemMirror 7 (Formally called Confidential ) and older Versions.
- Configured Confidential SystemMirror 7 in an SAP environment. Setting up two - nodes cluster for SAP and DB2 with some applications installed on the local Confidential and not defined in the resource groups
- Using NFS to bring down local applications before fail over occurs.
- Setting up start/stops Scripts from the NIM server for the Confidential SystemMirror cluster
- Migration of the Confidential SystemMirror from one Power Systems frame on to another.
- Experience in handling special and strategic projects by assembling various teams of subject matter experts, counseling other technical teams, and directing the entire team on developing completely new processes to increase the success rate and overall efficiency of the projects.
- Well skilled in composition of administrative as well as technical procedures -both general and customized- for various topics such as: annual departmental evaluation metrics, staff training, disaster recovery, backup & restore, upgrades, server relocation, data migration, SAN allocation, and more
- Performance and Capacity management concluding on resources proposals to clients to better their environment.
- Used the Confidential FLRT (Fix Level Recommendation tool) to generate reports that recommends what Firmware level to upgrade to, next HMC software level, VIOS level, Aix level, and so on
- Creating Confidential using HMC and installing operating systems and business/third parties applications.
- Created duo VIOs with fail over policy and SAN implementation using VSCSI and NPIV
- Upgrading HMC Sotware Version by downloading it from the Confidential fix central
- Work with Aix versions 5.1, 5.3, 6.1, and 7.1
- Work with Linux Redhat Enterprise 7
- Network configuration and setting up redundancy for networks. DNS, NIS. Also configured VIP on an existing ethernet card
- EMC SAN storage. Zoning the switch and creating LUNs
- Using recovery points for disaster recovery tests
- Working knowledge of EMC Confidential Systems specifications.
- DS8300, DS8300, Shark, SSA, RAID
- Shell Scripting Korn and Perl Scripting.
- SSH and security issues. Setting up certificates passwordless logon
- Creating users accounts and setting up privileges in those accounts. Setting up servers in Quest and password vault
- Aix Operating Systems Security Patching as part of a remediation process.
- Servers decommission. Write decommission plan. That’s write up a complete RFC (Request for Change)
- Servers migration from one Frame onto another and also Operating systems migration.
- Complete upgrade of the Managed Systems Microcode (firmware) level and its Confidential
- Disaster recovery specialist. Prepared servers for DR and also contributed to DR Plan write up
- Worked with Oracle to balance memory size, cpu size, and paging space, load balancing to resolve Oracle nodes eviction crisis
- Worked with Data Domain and Oracle vote/ASM disks. Worked with Oracle Nodes eviction, SGA, and much more
- Installed Oracle 11g and 12c on AIX Servers
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Over 8 years of Linux Redhat/Suse/CentOS experience
- Built Linux Redhat Enterprise Servers using VM, Physical machines, Blades, etc
- Configured Linux from crash and day-to-day management of the Linux environment
- Migrated from AIX to Linux environment.
- Apache/Tomcat Installation
- Worked on LVM - vgcreate, pvcreate, pvdisplay,vgextend, vgreduce, pvmove, pvremove, lvcreate, file systems and more
- Worked with Linux Services, changed systems statistics, view system information, and more
- Worked on designing, building, integrating and all other activities in large Linux systems
- Maintains Linux systems in accordance with established policies, procedures and SLAs.
- Network configuration on Linux systems. Troubled-shoot error log messages, created users and granted sudo rights
- Configured Confidential (Access Control Lists) in Linux File system. Created RAID devices: RAID0/1/4/5
- Installed Open Virtual Machine Tools for Virtual Machines Hosted on VMWare
- Created new LVM swap-based partitions. Defined systems jobs using crontab file under Linux
PROFESSIONAL EXPERIENCE:
Confidential
Senior AIX Systems Engineer, Jackson, MS
Responsibilities:
- Built VIOS and client Confidential and implemented SAN using NPIV. Setup virtual fiber channels and virtual ethernet. VLAN configuration
- VIOS FP updates to version 2.2.6.10
- HMC Software upgrade/updates
- Used FLRT to determine the next level to updates/upgrade
- Installed software and third Parties software on Aix systems
- Etherchannel implementation
- NFS configuration
- Write up decommission plan to retire old AIX servers
- Write up performance and capacity plan
- Worked on daily trouble tickets from different teams
- Installed Operating systems Patches on Aix servers downloaded from Fix Central
- Drafted the Shared processor pool design and did the implementation. Went through the validation processes after the implementation
- Designing and delivering complete solutions based on combination of Confidential, VIOs, and Confidential clusters as well as providing directives and instructions to the FSEs for creating Confidential, HA clusters and supporting them on daily basis.
- Worked on LVM: created volume groups, filesystems, logical volumes, added new devices, replaced failed disk drive in a mirrored rootvg and non-mirrored rootvg. Worked on stale partitions, missing physical volume state and much more
- Migration of storage to a new storage. Migrated Confidential from to frame.
- Upgraded/updated AIX Servers.
- Configuration of Power SystemMirror 7 (Formally called Confidential
- Configured Confidential SystemMirror 7 in an SAP environment. Setting up two-nodes cluster for SAP and DB2 with some applications installed on the local Confidential and not defined in the resource groups
- Disaster recovery specialist. Prepared servers for DR and also contributed to DR Plan write up
- Worked with Oracle to balance memory size, CPU size, and paging space, load balancing to resolve Oracle nodes eviction crisis
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Over 8 years of Linux Redhat/Suse/CentOS experience
- Built Linux Redhat Enterprise Servers using VM, Physical machines, Blades, etc
- Configured Linux from crash and day-to-day management of the Linux environment
- Migrated from AIX to Linux environment.
- Apache/Tomcat Installation
- Worked on LVM - vgcreate, pvcreate, pvdisplay,vgextend, vgreduce, pvmove, pvremove, lvcreate, file systems and more
- Worked with Linux Services, changed systems statistics, view system information, and more
- Worked on designing, building, integrating and all other activities in large Linux systems
- Maintains Linux systems in accordance with established policies, procedures and SLAs.
- Network configuration on Linux systems. Troubled-shoot error log messages, created users and granted sudo rights
- Configured Confidential (Access Control Lists) in Linux File system. Created RAID devices: RAID0/1/4/5
- Installed Open Virtual Machine Tools for Virtual Machines Hosted on VMWare
- Monitors and tunes the system to achieve optimum level of performance in Linux systems
- Ensures server data integrity by evaluating, implementing and managing appropriate software and hardware solutions in Linux environment
Confidential, Austin, Texas
Senior Unix/Aix Engineer/Administrator
Responsibilities:
- Drafted the Shared processor pool design and did the implementation. Went through the validation processes after the implementation
- Came up with the performance and Capacity evaluation of the Shared Processors Pools
- Created shared pools to stay within license compliance and optimized performance while minimizing cost
- Educated the other groups on how shared processor pools work and its advantages while also created complete documentation of shared processor pools design, implementation, and performance optimization
- Designing and delivering complete solutions based on combination of Confidential, VIOs, and Confidential clusters as well as providing directives and instructions to the FSEs for creating Confidential, HA clusters and supporting them on daily basis.
- Designing and implementing disaster recovery solutions involving long distance data replications and multilayered automated as well as manual DR activation
- Performance tuning on all the Unix servers. Analyze the issues related to CPU, Memory, File systems, disk space utilization. Generates graphs for performance reports and also executive reports charts.
- Complete work on logical volume manager: Created volume groups, created file systems, extend volume groups, reduce volume groups, increase File systems, reduce file systems, mirrored rootvg, exportvg and importvg, and much more
- Servers decommission; write decommission plan.
- Designed and Configured Confidential Power Systems 8 including Capacity management, shared processor pools, auditing of the shared processor pools, performance of the shared pools and individual Confidential, and much more
- Organized daily huddle for 30 minutes with all team members to address all concerns
- Extensive Migration effort from Power7 to Power8 using Live Partitions Mobility
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Over 8 years of Linux Redhat/Suse/CentOS experience
- Built Linux Redhat Enterprise Servers using VM, Physical machines, Blades, etc
- Configured Linux from crash and day-to-day management of the Linux environment
- Migrated from AIX to Linux environment.
- Apache/Tomcat Installation
- Worked on LVM - vgcreate, pvcreate, pvdisplay,vgextend, vgreduce, pvmove, pvremove, lvcreate, file systems and more
- Worked with Linux Services, changed systems statistics, view system information, and more
- Worked on designing, building, integrating and all other activities in large Linux systems
- Maintains Linux systems in accordance with established policies, procedures and SLAs.
- Network configuration on Linux systems. Troubled-shoot error log messages, created users and granted sudo rights
- Configured Confidential (Access Control Lists) in Linux File system. Created RAID devices: RAID0/1/4/5
- Installed Open Virtual Machine Tools for Virtual Machines Hosted on VMWare
Confidential
Senior Aix-Unix Administrator/Team Lead / Aix-Unix Systems Engineer
Responsibilities:
- Designing complete upgrade solutions and plans for new installations and upgrades, while still performing daily hands-on tasks in various AIX and Confidential cluster environments.
- Expert in the Configuration of Power SystemMirror Version 7 (Formally called Confidential ) and older Versions.
- Configured Confidential SystemMirror in an SAP environment. Setting up two-nodes cluster for SAP and DB2 with some applications installed on the local Confidential and not defined in the resource groups
- Using NFS to bring down local applications before failed over occurs.
- Setting up start/stops Scripts from the NIM server for the Confidential SystemMirror cluster
- Migration of the Confidential from one version to another
- Drafted the Shared Processor Pool designed and actually implemented the shared processor pools.
- Engaged all the departments involved in shared pool designed and educating them on how the Shared Processor Pool works and the different resources allocated to entitled capacity and virtual capacity work
- Designing and delivering complete solutions based on combination of Confidential, VIOs, and Confidential clusters as well as providing directives and instructions to the FSEs for creating Confidential, HA clusters and supporting them on daily basis.
- Designing and implementing disaster recovery solutions involving long distance data replications and multilayered automated as well as manual DR activation.
- Overseeing the entire system delivery process from design, installation, build, validation, and final activation of multi-node clusters systems including local, stretched, and linked Confidential cluster
- Assisting clients in understanding the proposed solution and how it would improve their operations in short term and how it would benefit them in the long run
- Adjusting System and storage proposals to meet customers’ operational needs and in order to ensure the profitability for both customer as well as SCC.
- Assembling and managing a complete upgrade team consisting of hardware engineers, DBAs, system engineers, Software technical specialists, and account managers at SCC.
- Creating new and updating existing guidelines and SOPs on upgrades in order to reach maximum efficiency in all phases of the upgrade projects.
- Configured Nagios on all Aix Operating systems and worked with the Application team to determine threshold values
- Creating Confidential using HMC and installing operating systems and business applications.
- Creating VIO Confidential and its Clients Confidential . Also worked with the SAN team for ANS attached, NPIV
- EMC SAN storage. Zoning the switch and creating LUNs
- Using recovery points for disaster recovery tests
- Working knowledge of EMC Confidential Systems specifications
- Avamar backups
- Evaluating existing customer Confidential POWER Systems to determine the need for hardware, firmware, and AIX upgrades and updates.
- Working with Operating systems security Patches as part of remediation process. Obtained permission from Servers owners and also obtained resources from the other teams like Database, Application that will be available for support/validation before and after Patching and rebooting the Servers.
- Working with all the performance related tools to tune systems for better performance. Working real commands like topas, nmon, vmstat, svmon, sar, iostat - D, iostat - a. Also worked with perfpmr, nmon and nmon analyzer, filemon.
- Created VIO Servers from crash on Power systems 8(824), Power Systems 7. And created the client Confidential .
- Did the mapping of the NPIV LUNs, vscsi disks, etc
- Complete remediation processes on the Servers
- Write out RFC (Request for Change) and created Request in ServiceNow assigning all teams involved with their tasks
- Configured Nagios Monitoring software for all the AIX Systems
- Created local accounts for all the AIX servers to be used in ServiceNow
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Installed Oracle 11g and 12c.
- Worked with Oracle Nodes eviction, SGA, vote disks, etc
- Complete upgrade of the HMC Software version and also microcode (firmware) upgrade of the frame and its Confidential
- Installed Open Virtual Machine Tools for Virtual Machines Hosted on VMWare
- Monitors and tunes the system to achieve optimum level of performance in Linux systems. Conducts routine hardware and software audits of servers for compliance with established standards, policies, configuration guidelines and procedures
Confidential, Charlotte, NC
Senior Aix-Unix Systems Engineer and Administrator
Responsibilities:
- Installed Aix 7.1 on these Confidential .
- Built Linux Redhat Enterprise Servers using VM, Physical machines, Blades, etc
- Configured Linux from crash and day-to-day management of the Linux environment
- Migrated from AIX to Linux environment.
- Apache/Tomcat Installation
- Worked on LVM - vgcreate, pvcreate, pvdisplay,vgextend, vgreduce, pvmove, pvremove, lvcreate, file systems and more
- Worked with Linux Services, changed systems statistics, view system information, and more
- Worked on designing, building, integrating and all other activities in large Linux systems
- Maintains Linux systems in accordance with established policies, procedures and SLAs.
- Network configuration on Linux systems. Troubled-shoot error log messages, created users and granted sudo rights
- Configured Confidential (Access Control Lists) in Linux File system. Created RAID devices: RAID0/1/4/5
- Installed Open Virtual Machine Tools for Virtual Machines Hosted on VMWare
- Monitors and tunes the system to achieve optimum level of performance in Linux systems
- Configured Confidential on these Confidential from crash making decisions from redundancy.
- Extended knowledge on Confidential setup configuration and maintenance. Added storage and made changes. Data domain
- Made changes on the Confidential cluster and synchronizing all nodes in the clusters.
- Made decisions on Confidential redundancy for both Hardware requirements and Software requirements
- Avamar backup on these Confidential as well.
- Configured Nagios on all Aix Operating systems and worked with the Application team to determine threshold values.
- Worked with Operating systems security Patches as part of remediation process. Obtained permission from server owners and also obtained resources from the other teams like Database, Application that will be available for support/validation before and after Patching and rebooting the Servers.
- Build VIO servers using HMC with primary and secondary VIOs. Load the operating systems from the CD for the VIOs and use self-defined mksysb for the clients servers. Also install from NIM Server
- Creating numerous Confidential on Pseries using HMC (550, 570, 670, 690, 720, 770, 824 )
- Performance tuning on all the Unix servers. Analyze the issues related to CPU, Memory, File systems, disk space utilization. Generates graphs for performance reports and also executive reports charts.
- Complete work on logical volume manager: Created volume groups, created file systems, extend volume groups, reduce volume groups, increase File systems, reduce file systems, mirrored rootvg, exportvg and importvg, and much more
- Servers decommission; write decommission plan.
- Servers migration from one Frame onto another and also Operating systems migration.
- Complete upgrade of the HMC Software version and also microcode (firmware) upgrade of the frame and its Confidential
- Day to day systems management including complete work on LVM, networking, users account, software installation, Paging Space, etc
- Creating users with root’s privileges and also users with limited root’s privileges called the sudo users
- Patching of Aix and Linux Servers: Obtaining authorization from business applications owners, created contacts with the support persons for bringing down applications before reboot and validating them after reboot.
- Firmware/Microcode upgrade from frame and then pushed out to Confidential .
- Extended knowledge on Confidential setup configuration and maintenance. Added storage and made changes.
- Made changes on the Confidential cluster and synchronizing all nodes in the clusters.
- Made decisions on Confidential redundancy for both Hardware requirements and Software requirements
- Setup and configured heart beat using small LUNs from the storage team
- Complete remediation processes on the Servers
- Write out RFC (Request for Change) and created Request in ServiceNow assigning all teams involved with their tasks
- Configured Nagios Monitoring software for all the AIX Systems
- Created local accounts for all the AIX servers to be used in ServiceNow
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Installed Oracle 11g and 12c.
- Worked with Oracle Nodes eviction, SGA, vote disks, etc.
Confidential, Maryland Heights, MO
Senior Unix/Aix Engineer/Administrator
Responsibilities:
- Built Confidential cluster from crash with 2 nodes and 4 nodes and setup their priority, heart beat on a small LUN, etc.
- Made changes in the cluster, added disks on one node and synchronize the nodes.
- Extended knowledge on Confidential setup configuration and maintenance. Added storage and made changes.
- Made decisions on Confidential redundancy for both Hardware requirements and Software requirements
- Created VIO Servers from crash on Power systems 8(824), Power Systems 7. And created the client Confidential .
- Did the mapping of the NPIV LUNs, vscsi disks, etc
- Complete remediation processes on the Servers
- Write out RFC (Request for Change) and created Request in ServiceNow assigning all teams involved with their tasks
- Configured Nagios Monitoring software for all the AIX Systems
- Created local accounts for all the AIX servers to be used in ServiceNow
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Installed Oracle 11g and 12c.
- Worked with Oracle Nodes eviction, SGA, vote disks, etc
- Complete upgrade of the HMC Software version and also microcode (firmware) upgrade of the frame and its Confidential .
- Configured Nagios on all Aix Operating systems and worked with the Application team to determine threshold values.
- Worked with Operating systems security Patches as part of remediation process. Obtained permission from server owners and also obtained resources from the other teams like Database, Application that will be available for support/validation before and after Patching and rebooting the Servers.
- Build VIO servers using HMC with primary and secondary VIOs. Load the operating systems from the CD for the VIOs and use self defined mksysb for the clients servers. Also install from NIM Server
- Creating numerous Confidential on Pseries using HMC (550, 570, 670, 690, 720, 770, 824 )
- Performance tuning on all the Unix servers. Analyze the issues related to CPU, Memory, File systems, disk space utilization. Generates graphs for performance reports and also executive reports charts.
- Complete work on logical volume manager: Created volume groups, created file systems, extend volume groups, reduce volume groups, increase File systems, reduce file systems, mirrored rootvg, exportvg and importvg, and much more
- Servers decommission; write decommission plan.
- Servers migration from one Frame onto another and also Operating systems migration.
- Complete upgrade of the HMC Software version and also microcode (firmware) upgrade of the frame and its Confidential
- Day to day systems management including complete work on LVM, networking, users account, software installation, Paging Space, etc
- Creating users with root’s privileges and also users with limited root’s privileges called the sudo users
- Patching of Aix and Linux Servers: Obtaining authorization from business applications owners, created contacts with the support persons for bringing down applications before reboot and validating them after reboot.
- Firmware/Microcode upgrade from frame and then pushed out to Confidential
- Built Linux Redhat Enterprise Servers using VM, Physical machines, Blades, etc
- Configured Linux from crash and day-to-day management of the Linux environment
- Migrated from AIX to Linux environment.
- Apache/Tomcat Installation
- Worked on LVM - vgcreate, pvcreate, pvdisplay,vgextend, vgreduce, pvmove, pvremove, lvcreate, file systems and more
- Worked with Linux Services, changed systems statistics, view system information, and more
- Worked on designing, building, integrating and all other activities in large Linux systems
- Maintains Linux systems in accordance with established policies, procedures and SLAs.
- Network configuration on Linux systems. Troubled-shoot error log messages, created users and granted sudo rights
Confidential, Marietta, GA
Senior Aix Engineer/Administrator
Responsibilities:
- Data center migration
- Complete upgrade of the HMC Software version and also microcode (firmware) upgrade of the frame and its Confidential .
- Performance and capacity management. Tuning of Unix Servers.
- Complete remediation processes on the Servers
- Write out RFC (Request for Change) and created Request in ServiceNow assigning all teams involved with their tasks
- Configured Confidential ON THESE Confidential from crash making decisions from redundancy.
- Extended knowledge on Confidential setup configuration and maintenance. Added storage and made changes. Data domain
- Made changes on the Confidential cluster and synchronizing all nodes in the clusters.
- Made decisions on Confidential redundancy for both Hardware requirements and Software requirements
- Configured Nagios Monitoring software for all the AIX Systems
- Created local accounts for all the AIX servers to be used in ServiceNow
- Raise change request and work on remedy tickets to resolve issues
- Evaluate systems performance to see that they meet business needs
- Build VIO servers using HMC with primary and secondary VIOs. Load the operating systems from the CD for the VIOs and use self defined mksysb for the clients servers. Install from NIM
- Adjust thresholds per clients specification
- Wrote plans for Servers decommission
- Day to day systems management including complete work on LVM, networking, users account, software installation, Paging Space, etc
- Creating users with root’s privileges and also users with limited root’s privileges called the sudo users
- HMC Version upgrade and firmware (Microcode) upgrade of frame and its Confidential
- Creating users accounts and setting up security for those accounts
- Setting up security for systems and installing software or patches to either strengthen or weaken systems security.
- Network installation manager (NIM)
- Work on EMC Power path and EMC SAN storage
- Patching Unix servers
- Confidential CLUSTERS creation and maintenance
- Working on backup tickets
- Built Linux Redhat Enterprise Servers using VM, Physical machines, Blades, etc
- Configured Linux from crash and day-to-day management of the Linux environment
- Migrated from AIX to Linux environment.
- Apache/Tomcat Installation
- Worked on LVM - vgcreate, pvcreate, pvdisplay,vgextend, vgreduce, pvmove, pvremove, lvcreate, file systems and more
- Worked with Linux Services, changed systems statistics, view system information, and more
- Worked on designing, building, integrating and all other activities in large Linux systems
- Maintains Linux systems in accordance with established policies, procedures and SLAs.
- Network configuration on Linux systems. Troubled-shoot error log messages, created users and granted sudo rights
Confidential, DUBUQUE, IOWA
Senior Aix administrator
Responsibilities:
- Evaluate systems performance to see that they meet business needs
- Write up performance reports for clients servers: Daily, weekly, and monthly reports
- Setting up security for systems and installing software or patches to either strengthen or weaken systems security
- Configured Nagios and setup the threshold parameters for the performance related Parameters.
- Installed Oracle 11g
- Generate graphs using excel to represent systems performance and use colors to represent servers state. Green, Yellow, and Red
- Write up suggested solutions(recommendations) to increase systems performance and login to the servers to perform performance tuning and other trouble-shooting.
- SAP monitoring from the performance and capacity points of view.
- Performance and capacity management using SRM, CLOSEDLOOP, and HEALTHCHECK MACRO
- Analyze systems for performance as well as Capacity management
- Statistical analysis with graphs, charts, spreadsheets, etc. Complete analysis on servers.
- Conduct formal and informal presentations of technical concepts to the clients as part of pre- and post- sale support efforts, as needed. Automate most processes.
- Performance and Capacity storage as well as SAP monitoring
- Daily huddles for 15-30 minutes to discuss progress in customers’ reports
- Using SRM double hub to generate servers reports
- Constant evaluation of timeline to drive as many reports as possible Jazz to rhythm level work and reduce the time spend to generate the reports.
Confidential, MARIETTA, GA
SENIOR AIX SYSTEMS ADMINISTRATOR/CAPACITY PLANNER
Responsibilities:
- Build VIO servers using HMC with primary and secondary VIOs. Load the operating systems from the CD for the VIOs and use self defined mksysb for the clients servers. Install from NIM
- Creating numerous Confidential on Pseries using HMC (550, 570, 670, 690, 770 etc )
- Build Sun servers and install the operating systems.
- Working with Tivoli storage manager (TSM) to perform hot backup.
- Capacity Planner: used to determine the service level needs or requirements. That is characterized the work done by the systems and evaluate users expectation of how the work was done. (Observing systems performance per business needs, workloads, measuring incoming work, etc)
- Analyzing the systems current capacity and compare with users needs.
- Plan to accommodate future growth based on business activities then forecasts future business activities.
- Installing and maintaining Oracle database 10g with RAC
- Creating users accounts and setting up security for those accounts
- Setting up security for systems and installing software or patches to either strengthen or weaken systems security.
- Adding users, lock users accounts, unlocked users accounts.
- Creating users with root’s privileges and also users with limited root’s privileges called the sudo users
- Work with General Parallel File Systems (GPFS)
- Creating files and setting up permissions, change owners or grant ownership, etc. on files
- Creating active directory for different project roles
- Disabling telnet and enabling ssh.
- Manually setting up the sshd authorized keys
- Using ssh to create secure tunnels, virtual private networks, (port 22)
- Creating users, file systems for both HPUX and SUN systems
- Work with the storage team in creating zones and configuring the LUN sizes.
- Work with NIS and also edit the /etc/netsvc.conf to avoid a single point of failure
- Strong NIS background. Creating client servers and binding them
- Confidential Hardware: Blade center HS21/HS22, x3850 (M3/X5 series) x3650 (M3) & 9675; Fiber Switches / HBA
- NIM master and NIM clients configurations
- Upgrading Unix/Aix servers to the latest maintenance level (08)
- Run disaster recovery plan for all the Unix servers
- Write scripts to install and run programs
- Installing Confidential version 5.3 and 5.4. Also maintaining them and testing fail-over policy and much more
- Racking up systems, connect the wires, build the servers, etc
- DNS/BIND, NIS, NFS, SFTP, FTP, LDAP, SSH
- Performance monitoring and tuning. Run basic performance commands such as #topas, #iostat, #vmstat, #sar, #svmon, etc
- Paging space and memory utilization, systems dump, etc
- Filesystems management, disk storage management
- Shell programming such as Korn and Perl. Also C and C++ programming
- SSH and security issues.
- Setting up redundant network by running two separate wires into two separate switches
- Creating volume groups, mirroring them, creating the dump device for both primary and secondary.
- Work on Aix versions 4.x, 5.2, 5.3, 6.1, 7.1
- Work with Sun Solaris, HP-UX, and Linux (redhat enterprise).
- Scripting: Perl and Korn. C and C++ programming
- EMC SAN storage . Zoning the switch and creating LUNs.
Confidential, PHILADELPHIA, PA
AIX SYSTEMS ADMINISTRATOR
Responsibilities:
- Take calls from customers and write out their resources for the disaster recovery plan.
- Rack up systems and patched them up
- Building Confidential from crash using HMC
- Creating VIO servers using HMC, configure, and maintain it.
- Work with GPFS.
- Work on Aix versions 4.x, 5.2, 5.3. 6.1
- Work linux both redhat and susie
- Creating volume groups, mirroring them, creating the dump device for both primary and secondary.
- A complete knowledge of Confidential Pseries, Tape Libraries, AS/400 (iSeries) etc
- Working with AS400 BRMS clients, TSM to perform hot backup for Domino database
- Work with Sun Solaris 8, 9, and 10. HP-UX, and Linux.
- EMC SAN storage . Zoning the switch and creating LUNs.
- Migrating from one version of the operating systems to the next.
- Configuring hardware resources and setting up these systems for testing
- Setting up redundant network by running two separate wires into two separate switches
- Confidential Hardware: Blade center HS21/HS22, x3850 (M3/X5 series) x3650 (M3) & 9675; Fiber Switches / HBA
- Installing and maintaining Oracle database 10g with RAC
- Creating volume groups, mirroring them, creating the dump device for both primary and secondary.
- Shell programming such as Korn and Perl. Also C and C++ programming
- Work with Network File Systems and troubling shooting it when necessary.
- Tivoli Storage manager (TSM)
- Work with the storage team in creating zones and configuring the LUN sizes.
- Also work with the tape libraries
- Upgrading HMC from CDs and working with both versions 6 and 7 HMCs
- Capacity Planner: used to determine the service level needs or requirements. That is characterized the work done by the systems and evaluate users expectation of how the work was done. (Observing systems performance per business needs, workloads, measuring incoming work, etc)
- Analyzing the systems current capacity and compare with users needs.
- Plan to accommodate future growth based on business activities then forecasts future business activities.
- Sad down with the main network administrator to plan for future network growth and ensure that network is expanded with equipments that will meet future needs.
- Finding current capacity bottleneck and give biweekly updates
- Work with ( Confidential 5.3, 5.4, and 5.5 in configuring and maintenance
- Performance monitoring and tuning. Run basic performance commands such as #topas, #iostat, #vmstat, #sar, #svmon, etc
- Create NFS mount for patching Aix boxes or servers.
- Strong NIS background. Creating clients and masters servers and binding them
- NIM master and NIM clients configurations