IBMi Administrator

IBMi (AS/400) Systems Administrator
Greenwood Village, CO (Hybrid flexibility after
ramp)
6-Month Contract (ability to extend) | 40
hrs/week (MST)

Overview
We're looking for
an experienced IBMi (AS/400) Systems Administrator to support a highly critical enterprise environment. This
role is ideal for someone who thrives in a hands-on operational environment, enjoys troubleshooting complex systems, and
takes pride in maintaining system reliability, performance, and security.
You'll play a key role in day-to-day system operations, performance optimization, and incident resolution within a collaborative
team.

Key Responsibilities

• Monitor and maintain IBMi systems (OS/400, i5/OS) to ensure uptime and performance
• Perform system health checks, job monitoring, subsystem management, and message handling
• Apply PTFs, firmware updates, and OS upgrades through change management processes
• Manage user profiles, system security, and resource allocation
• Support backup, restore, and storage operations (including tape and archival processes)
• Troubleshoot hardware, OS, and system-level issues; analyze logs and performance data
• Partner with vendors for hardware maintenance and issue resolution
• Support disaster recovery and data protection processes (TSM, Cohesity, etc.)
• Participate in an on-call rotation for after-hours support

Qualifications

• 3-5+ years of IBMi (AS/400) systems administration experience
• Strong experience with:
  • OS/400 / i5/OS
  • CL commands
  • IBMi hardware support
  • PowerVM
  • Storage management concepts
• Experience with job scheduling, system monitoring, and backup tools (BRMS or similar)
• Solid understanding of IBMi security, user provisioning, and authority management
• Ability to independently diagnose and resolve system and performance issues
• Strong documentation and change management experience

Nice to Have

• Experience with TSM, Cohesity, or other backup tools
• Exposure to PowerHA, MIMIX, RobotHA
• Familiarity with networking protocols (TCP/IP, FTP, ODBC)
• Experience supporting ACBS or commercial banking systems

Work Environment

• Fast-paced and highly collaborative team
• Critical systems environment - attention to detail is key
• Strong team support and communication culture
• Initial learning curve, followed by strong long-term stability

Additional Details

• Onsite initially for training, with flexibility for 100% remote work after ramp-up
• No degree required (High School Diploma required)
• Background check required

We reserve the right to pay above or below the posted wage based on factors unrelated to sex, race, or any other protected classification.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. This temporary role may be eligible for the following:

• Medical, dental & vision
• 401(k)/Roth
• Insurance (Basic/Supplemental Life & AD&D)
• Short and long-term disability
• Health & Dependent Care Spending Accounts (HSA & DCFSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location
This is a Contract position based out of Greenwood Village, CO.
Pay and Benefits
The pay range for this position is $50.00 - $65.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Greenwood Village,CO.
Application Deadline
This position is anticipated to close on Jun 17, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.