AIX Systems Administrator

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This range is provided by Seneca Resources. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

$65.00/hr - $80.00/hr

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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, Power
  
  VM, 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, Power
  
  VM 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 Power
  
  HA 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.

• Mid-Senior level

• Contract

• Finance
• Banking and IT Services and IT Consulting