Devops/linux Engineer Resume
FL
SUMMARY:
- Over 10+ years of IT industry experience in System Administration and Production Support of various systems on Linux, AWS and devops environment.
- Extensive experience in IT Industry that includes AWS and DevOps Engineering, Build, Deploy & Release Management Operations, Software Configuration Management.
- Adequate Knowledge in Software Development Life Cycle (SDLC), Agile Methodologies, Waterfall processes, Project Management and Project Release.
- Thorough understanding of fundamentals of AIX UNIX kernel and file system concepts.
- Experience in installation, configuration, tuning, security, backup, recovery and upgrades of Confidential AIX.
- Experience in Server infrastructure deployment on AWS Cloud, extensive usage of Virtual Private Cloud (VPC), Cloud Formation, Cloud Front, EC2, RDS, S3, Route53, SNS, SQS, Redshift, EBS and Cloud Trail.
- Experience in installation and configuration of Virtual I/O Server (VIOS) 1.1, 1.3, 1.5 and 2.1
- Experienced in AIX Migration Installation, Preservation Installation and Complete Overwrite Installation using CDROM and configuring NIM Server.
- Extensive Experience with AWS (Storage, Application Services, Deployment and Management) and managed servers on AWS platform instances using Puppet, chef configuration management.
- Experience in installation of AIX in an LPAR environment pSeries.
- Worked on Data - Center operation and migration across Unix and Linux platforms
- AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.
- Extensive experience in planning, designing, installing, configuring, implementing, backup and supporting on Unix, Linux (8,9) and Windows NT/2000/XP Operating Environments
- Experienced in Administration Concepts such as Virtualization and logical partitioning (LPAR) of CPU, HMC usage, Workload Manager
- Configured multiple cookbooks, recipes, templates and attributes on workstations to be deployed to various chef nodes.
- Implementation and Administration of DHCP, NFS and NIS on AIX.
- Used advanced search engine ELK stack (Elastic search, Log stash and Kibana) to process large datasets and visualize the results based on aggregations and filters on structured and unstructured fields.
- Expertise in migrating key systems from on premise hosting to Amazon Web Services (AWS)
- Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and Red Hat Linux .
- Experience in DNS, NIS, NFS, send mail, ftp, remote access, security management, and system troubleshooting skills.
- Good understanding of error logging subsystem and Performance Monitoring tools like vmstat, iostat, netstat on AIX 5L.
- Experience working in NFS/NAS, Storage Area Networks (SAN), SSA disk storage environment.
- Familiar with Tivoli Storage Manager (TSM) for backup automation with policies configuration for Web based. databases, setup consisted of server and client backup with progressive backup methodology
- Good working knowledge AWS IAM Service: IAM Policies, Roles, Users, Groups, AWS Access Keys and Multi Factor Authentication.
- Experience in software methodologies like Waterfall model, Agile Methodology and Scrum.
- Working on AWS cloud to provision new instances, S3 Storage Services, AWS EC2, Cloud watch services and CI/CD pipeline management through Jenkins.
- Automated many build and release processes using tools like Puppet, Chef and Salt.
- Expert in configuring a TCP/IP network on AIX, creating mount points for Server directories and mount these directories on AIX servers.
- Resolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN and Networking Problems.
TECHNICAL SKILLS:
Operating Systems: IBM AIX, OS/2, VERITAS Net Backup server, Windows 2000/2003 server, LINUX, Solaris, Red Hat Enterprise AS 4.0 And Red Hat Enterprise, UBUNTU, CENTOS, As 3.0, Open BSD 3.2 to 3.5
Hardware: IBM RS/6000, p570, p550, p590, p595 p630,, HMC version7, HMC - Hardware Management Console 7310-C03 (desk side model) and 7310- CR2 (rack model), EMC Symmetric 3000, IBM Blade server, ADSM tape library. DMX 2000, Clarion C4700, DS6000Networking: TCP/IP, NIM, NFS, NIS, DHCP, DNS.
Application and System Management Servers: HACMP/ES 4.5, HACMP 5.1 - 5.4s, Apache Server, Samba server. Send mail, Oracle11i.
Scripting: PERL
CI/CD Tools: Hudson, Jenkins, CHEF, PUPPET, ANSIBLE
Monitoring: Nagios, Cacti, ZenOSS, Cloud Watch, Cloud Trail
PROFESSIONAL EXPERIENCE:
Confidential, FL
DEVOPS/LINUX Engineer
Responsibilities:
- Build servers using AWS, importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.
- Automation and Provisioning using Chef.
- Implemented and controlled the flow of data to and from AWS
- Responsible for delivering an end to end continuous integration - continuous delivery system for the products in an agile development approach using Chef and Jenkins.
- Built Continuous Integration environment Jenkins, Artifactory and Continuous delivery environment using Jenkins and Chef
- Performed operating system upgrades on Virtual I/O servers and Hardware Management Consoles.
- Installation and configuration of VM's with Red hat LINUX servers running on VMware.
- Managed deploying Red Hat 5,6.8,7 systems on UNIX/LINUX systems
- Hands on Involvement with Amazon Web Services (AWS) including EC2, Elastic Load-balancers, Elastic Container Service (Docker Containers), S3, Cloud Front, RDS, Dynamo DB, VPC, Direct Connect, Route53, Cloud Watch, Cloud Formation, IAM
- Used RPM and Yum for package management and patching systems
- Responsible for maintaining and administering 600 production Confidential p720,p770,p550, p570, p590, p595, p650, p690,p720,p770& p795 AIX & UNIX,RHEL,HPUX based servers.
- Performed operating system upgrades on Virtual I/O servers and Hardware Management Consoles.
- Prepared and performed SAN storage migration to the newer EMC storage model. Supported and configured SAN storage.
- Manage deployment automation using CHEF, PUPPET, and ANSIBLE.
- Troubleshoot performance, network, and disk issues in a virtualized environment.
- Upgraded AIX Operating System to the latest TL and SP level
- Setup the Chef servers, chef work stations, chef nodes and involved in bootstrapping new infrastructure chef nodes.
- Created, managed, and modified LPAR profiles. Performed dynamic LPAR operations.
- Implemented and controlled the flow of data to and from AWS
- Migrated Power 5 stand-alone systems and Power 6 LPARs to Power 8.
- Recommended and implemented tuning and configuration changes to improve system performance.
- Resolved incidents and executed work requests in a timely manner. Quickly recovered systems if they were mistakenly taken offline.
- Configured NIM Servers and automate mksysb procedures.
- Coordinated outages for hardware or software maintenance.
- Performed problem diagnostics and initiated problem resolution.
- Created and maintained server documentation relating to server configurations and applications.
- Provide support for Linux Performing upgrades of OS and applications.
- Korn & C shell scripting, mainly for scheduling jobs (CRONTAB)
- Network management of TCP/IP networks, IP address management.
- Worked closely with SAP team working on refreshes and day to day activities.
- Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
- Performed NIM installation of AIX servers using Virtual Ethernet within a managed system
- Configured Nagios to monitor EC2 Linux instances with Ansible automation.
- Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery servers.
- Installing and creating WebLogic domains on AWS Cloud environment
- Experienced working on Lpar2rrd
- Experience working on commvault client installation on lapr (oracle client).
- Creating LPP source and SPOT, restoring mksysb from NIM Master to clients.
- Migrating, upgrading and installing the OS on clients from NIM Master.
- Installation, Configuration and up gradation of Red Hat Linux 4, 5.X, and using Blade Logic.
- Migration using NIMADM, NIM bosinst (rte).
- 24x7 on call server support for UNIX environment including new hardware in Data Center.
- Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
- Experience with data migrations using various third party tools.
- Worked with DBAs on installation of RDBMS database, restoration and log generation.
- Process administration (monitoring processes and system load using VMSTAT, SVMON, UPTIME utilities, monitoring logs, scheduling processes using CRON utility).
- Worked with SAN, in EMC and Clarion disks, their configuration, Installation of power path.
- Environment: Linux/Unix (Red hat, Ubuntu), Shell Scripting, SVN, Maven, GIT, ANT, Java/J2EE, Jenkins, Jobs, Tabaco, Jira, Urban Code Deploy
Confidential, VA
DEVOPS/LINUX Engineer
Responsibilities:
- Responsible for maintaining and administering 600 production Confidential p720,p770,p550, p570, p590, p595, p650, p690,p720,p770& p795 AIX & UNIX,RHEL,HPUX based servers.
- Installing the patches and bringing up the AIX servers to up to date patches.
- Provisioning of RHEL 6, Ubuntu Servers on AWS.
- Automating system administration tasks using shell scripts, Jenkins.
- Configuring Chef to build up services and applications on the instances once they have been configured using cloud formation
- Benchmarking and securing Linux Servers as per CIS standards.
- Administration of MySQL users, replication of master/slave server, access rights. Server monitoring using Nagios .
- Configured and Maintained Apache web servers for Release Management Team's internal use.
- Working with File systems - creating, removing, changes such as increasing and decreasing the size of the file systems.
- Hands on Involvement with Amazon Web Services (AWS) including EC2, Elastic Load-balancers, Elastic Container Service (Docker Containers), S3, Cloud Front, RDS, Dynamo DB, VPC, Direct Connect, Route53, Cloud Watch, Cloud Formation, IAM
- Launching Amazon EC2 Cloud Instances utilizing Amazon Web Services (Linux/Ubuntu) and Configuring propelled examples as for applications
- Configuring and Networking of Virtual Private Cloud (VPC).
- Build Java code on to different Jenkins, Packer servers as per the schedule.
- Upgrading Power Broker versions on servers.
- Environment setup using WebLogic, Tomcat and cluster configurations across the servers.
- Responsible for application deployments, support in various environments like QA, UAT and PROD and troubleshooting using various tools like J Console, Tealeaf, Jenkins, AHP (Artifact deployment).
- Used Jenkins to deploy the applications on to the Application Servers on the AWS.
- Developed python scripts to auto archive the log files on Production environment.
- Working on health care applications Cerner and epic
- Experience in working datacenter migration from datacenter to other.
- Experience on data center migration, P2V,P2P,V2V using Plate spin tool
- Experience working on Commvault installation
- NFS Administration, exporting file systems, mounting exported file systems, working nfs
- Daemons and fixing any mounting issues.
- Gathering NMON report & analyzing them with NMON analyzer
- Generating MUP file on the servers & uploading Confidential site to check the microcode levels.
- Worked on variety of Linux platforms Red Hat Linux, Solaris which includes installation, configuring and maintenance of applications on this environment.
- Upgrading SSH Tectia version on the servers
- Build Java code on to different Jenkins, Packer servers as per the schedule.
- Experience installation and configurations of simpana.
- Disk Storage Management in AIX - Logical and Physical Volume management, configuring .
- Setup Elastic Load balancer and Auto scaling groups
- Setup Route 53 DNS for internal and external domains
- Setup Subnet, ACL and Security groups
- Setup NAT gateway
- Setup RDS instances for various environments
- Setup AWS accounts with various access for different team members
- Install and setup Tomcat / Apache etc.
- Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
- Disks, working with volume groups, logical volumes, and physical volumes.
- Worked on Hardware Amber attention issues on servers & resolving them.
- Mirroring volumes groups and logical volumes.
- Creating system dump and increasing the sysdump size.
- Experience working on Docker Hub, creating Docker images and handling multiple images primarily for middleware installations, deploying and maintaining multi-container applications through Docker.
- Day to day server management activities, LVM management, User Management and Software installations.
- HACMP - Monitoring servers, Starting and Stopping Cluster Services, moving resource groups across the nodes, increasing file system in cluster file system
- Performance tuning of Virtual Memory, CPU, system usage in Linux and Solaris servers
- Upgrading firmware on Fiber Channel Adapters and replacing them.
- Working with SAN paths upgrade and installation.
- Working with Confidential on software & hardware issues, generating snaps to them for analysis
- Dynamically add, remove and move resources in the LPARs.
- HACMP Cluster Configuration & Failover testing and verification, Cluster Synchronization, performing HACMP
Environment: Perl Scripting, Shell Scripting, AWS, AIX, JENKINS, Nagios, JIRA, MAVEN, CHEF, Vagrant, Linux, SVN, GIT, Gradle, Tomcat, Scrum, Python, MAVEN, Ant, Nexus
Confidential, Denver, Co
AIX /UNIX /LINUX Engineer
Responsibilities:
- Extensive experience in Centos / RHEL/Unix system Administration, System Builds, Server Builds, Installations, Upgrades, Patches, Migration, Trouble shooting on RHEL 4.x/5.x, Centos, Trouble shooting Server issues.
- Health checks - looking at cluster statistics, observing resource group status.
- Participated on DR activity.
- Hands on Involvement with Amazon Web Services (AWS) including EC2, Elastic Load-balancers, Elastic Container Service (Docker Containers), S3, CloudFront, RDS, DynamoDB, VPC, DirectConnect, Route53, CloudWatch, CloudFormation, IAM.
- Mapping LUN's to VIO client & taking the VIO backup
- Installing the patches and bringing up the AIX servers to up to date patches.
- Rectifying the problems after patch up gradation if any.
- Working with Confidential CE to replace bad disk.
- Upgrading firmware on Fiber Channel Adapters and replacing them.
- Used Chef to configure and manage infrastructure. Wrote cookbooks using Ruby scripts to automate the configuration setups.
- Established Chef Best practices approaches to system deployment with tools and managing Chef Cookbook as a unit of software deployment and independently version controlled.
- Working with SAN paths upgrade and installation.
- Working with Confidential on software & hardware issues, generating sanps to them for analysis
- Application Deployments & Environment configuration using Chef, Puppet and Ansible
- Troubleshooting PEM related alarms and clearing them.
- Working with File systems - creating, removing, changes such as increasing and decreasing the size of the file systems.
- Experience on Web servers such as iPlanetWeb server 6.0 /Sun one web server 6.3, 6.5, Tomcat
- NFS Administration, exporting file systems, mounting exported file systems, working nfs daemons and fixing any mounting issues.
- Day to day server management activities, LVM management, User Management and Software installations.
- Disk Storage Management in AIX - Logical and Physical Volume management, configuring disks, working with volume groups, logical volumes, and physical volumes.
- Working with paging spaces - creation, increase, decrease paging spaces as per the
- Requirement.
- Troubleshooting booting related issues, creating boot records, working with system maintenance mode, accessing rootvg in system maintenance mode, recovering root
- Password.
- Mirroring volumes groups and logical volumes.
- Experience with patching of Linux servers and hardening of servers using native and third party tools.
- Extensive experience on Docker containers infrastructure and Continuous Integration for building & deploying Docker containers.
- Creating system dump and increasing the sysdump size.
- Working on ftp tool, cron job schedule tools, managing log files, errpt, and daily management activities.
- HACMP - Monitoring servers, Starting and Stopping Cluster Services, moving resource groups across the nodes, increasing file system in cluster file system
- Defining shared volume groups and working on different operations such as creating shared file systems, increase or decrease file system sizes, concurrent disk for disk heart beat etc.,
- Creating Volume Group, Logical volumes and file systems in both standalone and HA environment.
Confidential
AIX/Linux Administrator
Responsibilities:
- Experienced in migrating AIX6.1 to AIX 7.1
- Worked as an AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
- Performed installation, periodic maintenance updates and applied APAR fixes
- Responsible for operation, maintenance and integrity of the distributed AIX environment.
- Experience in working and configuring Micro Strategy and web services
- Responsible for Installation, Configuration Management, Maintenance and System Development of AIX Systems.
- Monitored file system free space using simple shell scripts; resize file systems as and when required.
- Experience in working on Implementing and administering tsm including integrating VTL and Confidential tape libraries
- Monitor the systems performance to identify the systems bottlenecks under heavy workloads
- Managed Logical volume and Paging space and file systems.
- Experienced in working in OS provisioning team new builds LPARS provisioning
Confidential
AIX/Unix/Linux admin
Responsibilities:
- Responsible for maintaining and administering 600 production Confidential p550, p570, p590, p595, p650, p690, p720, AIX & UNIX based servers.
- Installation, migration, Configuration and Administration of AIX 5.3 & 6.1.
- Experienced in migrating AIX5.3 to AIX6.1
- Experience on working GPFS
- Managed and used NIM server to install, migrate and creating backups
- Experienced on working HP OpenVMS Systems
- Experienced on working tws tool restoring backup files.
- Provided support day to day system administration tasks like system user accounts, disk usage, paging space
Environment: Confidential p550, p570, p590, p595, p670, p690, p770 & p795 RS6000 servers
Confidential, Texas
AIX/Unix/Linux admin
Responsibilities:
- Responsible for maintaining and administering 600 production Confidential p550, p570, p590, p595, p650, p690,p720,p770& p795 AIX & UNIX based servers.
- Installation, migration, Configuration and Administration of AIX 5.1, 5.2, 5.3 & 6.1.
- Managed and used NIM server to install, migrate and creating backups
- Experienced in doing LPM from HMC frame to frame, and on Blade servers
- Support Confidential Blade center blade server hardware JS21, JS22 & JS43 (Power PC)
- Experienced on HP service manager tool and solving P1/P2/P3/P4 tickets
- Experienced in doing EMC power path upgrade from 5.3 SP1 HF02 to 5.5 (build 310)
- Experience working on Micro Strategy
- Installing and configuring LPARs and VIO Server in pSeries servers through HMC.
- Experience on working with TSA cluster and administration.
- Adding, increasing the file system space in HACMP environment.
- Experienced on HP OpenVMS Systems
- Troubleshooting BOS installations, Boot Failures, monitoring systems performance using nagios, sar, vmstat, netstat, iostat, perfpmr and systems tuning.
- Performed Installation and Configuration of NIM. Installed BOS, upgrades, migrations of AIX on each node using NIM.
- Included upgrading NIM master, alternate NIM master, creating the SPOT, lppsource & mksysb NIM clients.
- Applying the security fixes, PTF’s, updating PMR’s.
- Developed and modified unix shell scripts.
- Fault finding and fixing the hardware related software calls.
- Provided support day to day system administration tasks like system user accounts, disk usage, paging space.
- Creating and restoring the backups in AIX using TSM.
- Automated the Virtual I/O Server and HMC backups.
- Placing the hardware call and Follow up with Confidential Hardware Support to fix hardware problems.
- Involved in Migration installation from AIX 5.3 to 6.1 using various methods.
- Backup management and recovery using Veritas NetBackup.
- Performed System Administration tasks and ensuring 24*7 System Support for the mission Critical Data in production Environment and Provided On call support for Production support
- Modification of Shell Scripts as per the Customer requirements.
- Ensured the Systems and Data online, offline, archived Backups on Daily and weekly basis.
- Configuration of EMC Symmetric and Clarion Products in AIX Environment including HBA
- Capacity planning of disk space and hardware resources required for production and development servers.
- Verify and Synchronize the HACMP cluster, configured HACMP to monitor, detect and react to failure events, making systems available during random and unexpected events.
- Configuration and administration of HACMP cluster resources, cascading, rotating and concurrent resource groups, event handler testing using clstat, clverify
Environment: Confidential p550, p570, p590, p595, p670, p690, p770 & p795 RS6000 servers EMC SAN, AIX 5.1,5.2,5.3/6.1, Hacmp 5.1/5.3, TSM, UNIX, HP-UX 11i, Sun Solaris 8, RS/6000
Confidential
Unix / AIX /LINUX Engineer
Responsibilities:
- Worked as an UNIX engineer to support RS/6000, Confidential pSeries systems.
- Worked on heterogeneous environments having Confidential AIX, Sun Solaris 8/10, Installation from scratch and upgrade of operating systems for AIX (4.3.3, 5.1, 5.2, 5.3,6.1).
- Management of updates, patches, and backups via NIM Server system support
- Setup and configured network TCP/IP on LINUX and AIX servers
- Providing support to install the Oracle server Databases
- Managed resource using DLPAR in micro partioning environments.
- Involved in design, planning and setting up of several Intel and Sun machines and Windows servers.
- Installing and configuring HMC, LPAR, VIO Server in pSeries servers (p590/p595, p550, p520, p670, p630).
- Experience in working on Implementing and administering tsm including integrating VTL and Confidential tape libraries
- Experienced in working on Micro processing.
- Managing user accounts and groups.
- Creating and restoring the backups in AIX 5L, Solaris, including EMC SAN.
- Verify and Synchronize the HACMP cluster, configured HACMP to monitor, detect and react to failure events, making. systems available during random and unexpected events.
- Experienced in Migration of different OS’s such as HP-UX and Solaris to AIX
- Experience in Installation, Migration, Configuration and Troubleshooting of HACMP 5.1/5.3
- Experienced working with Windows and Linux server
- Planning and configuration of SAN environment for TSM and ESS shark storage servers.
- Automated the Virtual I/O Server and HMC backups.
- Development in PERL for automatic user addition/email addition/deletion and username verification
- Installed and configured Logical Partitions technology LPARS.
- Experience in installation, Configuration and Troubleshooting of HACMP 5.3
- Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers
- Worked on RFC, PM, IM tickets and gave RCA and RCCA regarding the tickets when necessary.
- Worked independently or with offshore teams for task completion according to the SLA with the client.
- Migrated HACMP from 5.2 to 5.4 on AIX 5.2 on a two-node cluster
Environment: Confidential AIX 5.1,5.2,5.3,6.1, (HP-UX 11i, VMWARE ESX/GSX, Solaris 2.6, Tivoli Storage Manager, Net back up 5.0, HMC Version 7, pSeries servers ( p570,p590,p595, p650, p670, p690), JAVA, EMC Symmetric,, DB2,Oracle 8i,11i
Confidential, NC
LINUX/UNIX/ AIX Engineer
Responsibilities:
- Worked as an AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
- Performed installation, periodic maintenance updates and applied APAR fixes
- Responsible for operation, maintenance and integrity of the distributed AIX environment.
- Monitored file system free space using simple shell scripts; resize file systems as and when required.
- Monitor the systems performance to identify the systems bottlenecks under heavy workloads
- Managed Logical volume and Paging space and file systems.
- Set up Tivoli Storage Manager (TSM) for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology. Administered the TSM for day-to-day scheduled tasks.
- Helped configuring the Tivoli managed nodes and Sysback/6000 on RS/6000 servers
- Defined and setup Network/Local printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS) and Network Information Services (NIS)
- Setup and maintained NFS, NIS network, configured DNS and LDAP Server.
- Configured backup/archive policies using Tivoli Storage Manager Backup utility to meet data archiving requirements and disaster recovery readiness.
- Backup on Confidential and STK Tape Libraries
- Maintained availability, increased capacity & performance of production machines by upgrading their hardware (Disks, CPU, memory, I/O board, power cooling unit, mother board etc) & firmware.
- System & backup management using Confidential ADSM Backup Server.
- Environment consisted of multiple Confidential RS/6000s and X-Window terminals.
- Security, users, groups administration and daily backup and restore operations, networking service, performance, and resource monitoring.
Environment: AIX 5.2/5.1/4.3.3, p690, p650, p630, RS/6000, Solaris 8/9/10, Redhat Linux 9, BMC Patrol, VMWARE ESX/GSX, DMX 2000, TSM, DS6000.
Confidential, VA
AIX System Administrator
Responsibilities:
- Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
- Responsible for Implementing Cloning, Clustering, Performance tuning and trouble shooting.
- Responsible for troubleshooting all the applications like marimba, bmc patrol etc.
- Responsible for Installation, Configuration Management, Maintenance and System Development of AIX Systems.
- AIX administration supporting RS6000 Servers, installing, configuring and maintaining WebSphere Application Server, Samba Server and Confidential HTTP Server.
- Installed and configured Confidential Tivoli Network Storage Manager (TSM) client & Server software backup and recovery solutions.
- Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment
- Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM
- Responsible for taking system backups mksysb, mkcd, savevg and savevgcd also make system backup through NIM, making archives of files and folders
- Responsible for adding new DNS and mail entries in their respective servers
- Responsible for DNS and mail push
- Expertise in writing the scripts (korn shell) for doing the conversions and support on AIX 4.3/5.2
- Managing cron jobs, batch processing and job scheduling.
- Providing support to install the Oracle Databases and SAP Modules.
- Maintaining network inventory, data backup and documentation for all hardware & software
- Installation, Configuration and Troubleshooting of High Availability Clusters (HACMP)
- Experienced in Creating and deploying SAN/database scripts for the purposes of data replication and disaster recovery (snaps, R1/R2, business copies)
- Extensive Experience in doing the FSCK on the corrupted file systems in AIX 4.3/5.2
- Responsible for configuring VLANs on Confidential p Series, Nortel Switches, CISCO switches.
- Responsible for setup and configuration of TCP/IP network for the public network and backup network using mktcpip and chinet.
- Responsible and expertise in working with LVM, Disk mirroring, un mirroring, Disaster Recovery and backup and restore for AIX 4.3/5.2
- Involved in TSM administration and support.
- VIO server Planning and Configuration.
- Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products. Experience in planning and implementation of HACMP systems.
- Configured HACMP 4.5 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and configured to react to hundreds of system events.
- Experience in setting up clusters and creating repository queue managers for load balancing.
- Responsible for configuring User Authentication for the AIX systems using LDAP
- Installation and configuration and maintenance of Netscape and Apache web server and Samba Server.
- Configuration and administration of mail server, Send mail, SNMP/POP Configuration and Email user account maintenance.
- Performed System Backup using tar, cpio for local systems and Veritas NetBackup for enterprise wide backup and recovery and to centrally manage storage resources through a single console.
Environment: AIX 4.3/.5.2/5.3, TSM, Nortel Switches, Cisco Switches, DBA, p series, Windows2000, HACMP Clusters, JavaScript, Oracle 8i, C/C++, Confidential HTTP server, Red hat Linux 9, DB2, Shell scripts.
Confidential
AIX Admin
Responsibilities:
- Established AIX system specifications by conferring with users; analyzing workflow, access, information, and security requirements; designing AIX system infrastructure.
- Established AIX system by planning and executing the selection, installation, configuration, and testing of PC and server hardware, software, LAN and WAN networks, and AIX operating and system management systems; defining system and operational policies and procedures.
- Maintained AIX system performance by performing system monitoring and analysis, and performance tuning; troubleshooting system hardware, software, networks and operating and system management systems; designing and running AIX system load/stress testing; escalating application problems to vendor.
- AIX system by conferring with vendors and services; developing, testing, evaluating, and installing enhancements and new software.
- Operating systems patch installation/removal.
- Experience on working with VTL and Confidential tape libraries including enterprise storage backup restore and managing petabyte of data including NDMP NAS backup.
- Routine software installations, including packaged products and tar file
- File system management/LVM operations and conventional UNIX file systems.
- Created and implemented plans, schedules and test plans for upgrades and maintenance work.
- System recovery, including the ability to restore files, entire file systems and complete system recovery.
- Managing HMC servers, upgrading HMC server software, creating Lpars and managing processor and Memory and I/O resources and HMC recovery.
- Implementation and Administration of DHCP, NFS and NIS on AIX.
- Supported and maintained Confidential P5-Series servers running AIX 5.3
- Performed monitoring, capacity planning, problem determination, shell script writing, Network Installation Manager (NIM), Cluster Systems Manager (CSM), pSeries - LPAR configuration and support, Confidential Pseries system firmware updates.
- Installed, configured and maintained distributed AIX operating systems on Confidential Pseries and RS/6000 hardware platforms.
- Provided support of existing hardware and operating systems including computer and disk storage systems utilization and capacity, system response and volume management.
Environment: AIX, Confidential p-series, UNIX, Windows, C/C++, Oracle, DHCP, HMC server