AIX Systems Administrator

Note: No C2C or third-party vendors.

Location:
Remote / Hybrid (Preference: within commuting distance to any client's location – Richmond, Boston, New York, Philadelphia, Cleveland, Atlanta, Chicago, St. Louis, Minneapolis, Kansas City, Dallas, or San Francisco)

Schedule:
Initially Monday–Friday; later transition to Tuesday–Saturday
or
Sunday–Thursday

Type:
Contract

Position Overview

Our client, a leading financial regulatory organization, is seeking a
Systems Administrator III (AIX/Unix)
to support enterprise-level infrastructure operations across its nationwide network.

This position offers an opportunity to work on secure, large-scale systems that are critical to national financial and payment operations.

The role will begin as remote, but candidates within commuting distance to one of the 12 Federal Reserve cities are preferred in case onsite work becomes necessary.

Key Responsibilities

• Perform day-to-day administration and maintenance of
  AIX/Unix operating systems and clustering components
• Configure and manage
  LPARs, PowerVM, and NIM-based OS installations
• Automate system lifecycle activities (installation, patching, configuration, monitoring) using
  Ansible, Python, and Unix shell scripting
• Administer
  firmware upgrades, user/group management, SSH/SFTP, SUDO, LDAP, and NFS
• Configure and support
  network components
  (Ethernet, VLANs, TCP/IP, vSwitches, SEAs) within AIX and VIOS environments
• Monitor and tune system performance; perform troubleshooting and issue resolution
• Apply analytics on historical incidents and patterns to predict and proactively prevent issues
• Participate in
  Agile (Scrum/Kanban)
  environments to deliver system enhancements and automation initiatives
• Work both independently and collaboratively to identify, track, and resolve operational and infrastructure issues

Required Skills and Experience

Minimum
8 years of professional experience
working with
Unix Operating System technologies
(AIX preferred)

Expert-level knowledge of:

• AIX LVM, LPAR profile creation/configuration, PowerVM administration
• AIX OS installation via NIM
  and system configuration
• NIM administration and automation
  , Power Systems firmware upgrades
• Proficient in automation/orchestration tools such as
  Ansible, Python, Shell scripting
  , and Agile methodologies
• Strong understanding of:
• Network concepts (VLANs, TCP/IP, vSwitch, SEAs)
• NFS client/server administration, SUDO configuration, LDAP client management
• Experience with
  performance monitoring, tuning, and troubleshooting
  in AIX environments
• Excellent communication, analytical, and problem-solving skills

Preferred Qualifications

• Familiarity with
  PowerHA clustering
  and related high-availability configurations
• Experience supporting
  networking and storage technologies
  in large-scale enterprise environments
• Prior exposure to
  regulated or government infrastructure
  environments

Schedule and Work Details

• Initial work schedule:
  Monday–Friday
  , transitioning later to
  Tuesday–Saturday
  or
  Sunday–Thursday
• Remote to start;
  occasional onsite work
  may be required in the future
• Long-term contract with potential for
  extension or direct hire

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you're choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.