Senior Unix/Linux Administrator Resume

SUMMARY

UNIX/AIX System Administrator with 21 years of experience configuring, deploying, and supporting IBM pSeries Power 5, 6, 7, and 8 and 9 computer systems running AIX 7.1.
I have been the Lead AIX administrator for the largest rural healthcare system in the country, with nearly 30,000 employees.
Necessarily, this means managing systems as close to zero downtime as possible in three geographically separated datacenters.

PROFESSIONAL EXPERIENCE

Confidential

Senior Unix/Linux Administrator

Responsibilities:

Administration of 124 AIX PowerVM lpars on 41 pSeries Power7, 8 and 9 frames, including 6 PowerHA 7.2.1 clusters supporting the healthcare system’s Epic database as well as all the required test servers, shadows, and ancillary systems for support in an always on environment.
72 RHEL images on VMware, 6 CentOS and OEL Intel Servers. Maintenance and administration of 3 i - Series systems.
Responsible for patching policy, security policy, change management, documentation and work assignments to Junior Administrators. .
Assisted architecting server refresh to Power 9 acting as Technical liaison between Sanford’s Enterprise Manager and IBM Business Partner.
Acting backup to Storage Administration team with access to a wide array of storage managed by SVC nodes.
I’ve been on-call since my start date, acted as lone administrator for an extended period and have managed the team through periods where we have had no manager bringing stability and trust.

Confidential

AIX Systems Engineer

Responsibilities:

Installed 300+ core servers over 16 years in financial institutions into the multi-billion dollar asset class converting to our core solution, customizing and integrating the operating system and database to the requirements of the client and the network. Responsible for ongoing support of pSeries AIX core servers, trouble-shooting, and performance-tuning as needed, installing system and device microcode, and maintaining service packs and fixes as they become available
Conducted numerous core server system upgrades as needed over time at customer sites maintaining high-availability to minimize business disruption. Installed products in pSeries Power4, Power5 Power6 and now Power720 and 740 IBM systems running AIX 7.1. Configured and installed Enterprise Class Power 770 systems.
Led the transition to PowerVM in our installed base on all Power7 systems currently being deployed and provided setup guidance and training to my team on both Power7, ASMI, HMC and IVM.
Prepared systems and customers for security audits using AIX best-practice system hardening techniques, along with open source solutions such as SUDO and OpenSSL.
Installed routers and configured subnets and Channelized T-1 and Frame-Relay connections between sites. Installed and supported IBM Storwize v3700 and v7000 SANs, SAN Volume Controller, IBM DS 3500 series and 5000 series SANs, FCoE, NPIV, SAS RAID Arrays, EMC Clariion and VNX SAN equipment, EMC/Brocade Fiber Switches, and SAN Copy Disaster Recovery solutions.
Responsible for ongoing support of pSeries AIX core servers, trouble-shooting, and performance-tuning as needed, installing system and device microcode, and maintaining service packs and fixes as they become available. Responsible for providing 24/7 on-call support on a three week rotation for the past 12 years.
Responsible for documenting and installing patches and fixes for pSeries Systems and all SANs, providing an audit trail, documenting customer information, and mentoring newer team members.

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