SUMMARY

• Solid Twenty one years experience with UNIX AIX, good knowledge of Confidential Smartcloud server build, of Linux and Solaris, technical and application support, capacity planning and security. HACMP, Power - HA, LPAR, DLPAR, VIO, Confidential Power6, Power7, Power8, AWS, AZURE, DevOps. Knoweledge of Linux OEL V6 and V7, Red Hat Linux, RHEL v6 and V7, VMware vSphere 6.7 Products, notably vCenter Server.
• Global Zones, Zones, LDOMs, Oracle Solaris 11, Knowledge of Disaster recovery, migration, system integration, networking and LVM, virtualization.

PROFESSIONAL EXPERIENCE

Confidential

Lead Administrator

Responsibilities:

• Leading design, implementation and patching and management of Solaris 10 and 11 servers, Linux OEL and Red Hat V6 and V7. Managing Oracle Solaris and Linux servers as System Administrator.
• Participating in secure server design practices and coordinating vulnerability identification, cyber security and remediation activities. supporting large-scale, cross-functional IT projects.
• Evaluating enterprise architecture to determine monitoring requirements. Served as a subject matter expert on AIX, Linux and Solaris system issues. Monitoring database migration and Disaster Recovery management programs designed to identify and remediate risks in critical IT systems.
• Participating in infrastructure and Linux patching projects by lending technical expertise, creating technical designs and SOP documents and making sure they are completed on time and on budget. Helping to document current infrastructure and develop SOP and Knowledge Based documents for repetitive and critical tasks, protocols and policies.

Confidential

Lead Linux / AIX System Administrator and application support

Responsibilities:

• Responsible for application support, software installations such as INFORM, ROVR, GSLISA (GroundStar Lightweight Interface Service Architecture), on Linux RHELV6 and V7 servers system builds, system patching, Evaluated new OS releases, tested, and developed templates for production deployments.
• Developed and deployed monitoring solutions to keep the systems running smoothly. Maintained access control lists, disk storage management, data backup, logs and recovery. Maintained and configured infrastructure tools to monitor and manage the environment health.
• Drove solutions for problems escalated from other teams and collaborated for overall stability and management of the production environment. Identifyed and implemented improvements to the process, procedures, documentation, and systems. Participated in 24 X 7x365 on-call pager rotation as part of a larger team.

Confidential

AIX / Linux Professional System Administrator

Responsibilities:

• ITIL frame work methodology. Coordinated hardware/software installations and upgrades to ensure the Confidential Power8, Power7 and Power6 servers work properly and are performing in accordance with company policy.
• Recommended resolution to complex matters, Coordinated and monitored to isolate and diagnose common system problems; documents system events to ensure continuous functioning.
• Recommended course of action and implements as approved. Ensured installations are in accordance with appropriate operating procedures; determined revisions or updates to installation as needed.
• Coordinated testing, upgrades and providing system support for all UNIX AIX and Linux based software by implementing, monitoring and maintaining systems and application software running under UNIX AIX 7.1 and Linux 7 L. Maintaining UNIX/Linux Operating System to provide optimum performance and system availability.

Confidential

AIX / Linux Administrator / System Administrator

Responsibilities:

• Built and deployed successful AIX and Linux Red Hat servers for Confidential customers.
• Used system architecture and design to build Confidential POWER-based p5/P6/P7 series servers, cloud servers, SCE+ smart cloud servers, NPIV and Non-NPIV servers.
• Responsible for performing installation and build of Linux 6.9 Server Build, RHEL 7.2, maintenance, decoms, and regular upgrades of Red Hat Linux Servers Linux RHEL 6.x, 7.x and AIX on LPAR, worked with VIO servers Virtualization and client’s servers, used NIM network installation manager for configuration and architecture of AIX.
• Managed multiple on-going projects, duties involved installation of SAP application, PowerHA, ORACLE, Db2, LDAP, Lotus Notes etc.
• Tracked performance, utilization, and adherence to service metrics for assigned customers.
• Created technical documentation for customer environments, processes, standards, technical training, and support procedures.
• Monitored and managed infrastructures using monitoring tools such as: topas, vmstat, iostat on AIX. sed netgroup and LDAP as Authentication and authorization tools for advanced root privilege delegation and key logging. Resolved the issues related to connectivity, PowerPath.
• Comprehensive knowledge of vulnerabilities and counter measures as well as web application security
• Used knowledge of LVM, server build and installation and configuration, VIO, HACMP, PowerHA, LDAP, security, backup.
• Hands-on experience on AIX Performance and Tuning and Powerbroker as an authentication and security Tool.
• Designed, built, managed and operated Confidential ’s SMARTcloud platforms with a focus on automation and infrastructure.
• Experience with Live Partition Mobility, System partitioning and virtualization utilizing Confidential AIX POWER LPAR/DLPAR technology and Virtual IO Server (NPIV, etc.)

Confidential, Dallas, TX

AIX Linux System Administrator

Responsibilities:

• Managed the UNIX AIX infrastructure and provided level III support for all issues on AIX servers.
• Duties included: planning and building new servers, installation and patching the operating system, Multibos Installation through NIM servers. Carried out multiple HMC upgrades, multiple data center inventory.
• Took part in the data center migration exercises., Worked remotely managed logical partitions through the Hardware Management Console (HMC): Created, configured new LPARs, Installed and updated the operating system through NIM. PCI compliance was required and achieved by helping to ensure the privacy of all confidential cardholder information, and by detecting and correcting areas of potential exposure. etc. Broad experience supporting and maintaining common Linux/Unix applications and services, as well as a deep understanding of DNS, DHCP, LDAP, NFS, Kerberos, PAM, SNMP, SSH, VNC, X11 and NTP.
• . Provided support for AIX 7.1 and 6.1, Red Hat Linux for customers in a 24x7 support of environment with high client impact hosting sites.