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I Series Systems Administrator

3B Staffing LLC, Buffalo, NY, United States


I Series Systems Administrator (REMOTE - US ONLY)

Location:

100% Remote (Must reside in the United States)
Work Authorization:

Must be authorized to work in the U.S.
Duration:

Contract (Long-term potential)
Security Requirement:

Due to security constraints, candidates must be based in the U.S.

Position Overview:

We're actively seeking a skilled

I Series Systems Administrator

to support and manage an enterprise-grade IBM i environment. You'll be part of a remote team managing high-availability systems across multiple data centers using IBM Power Systems and advanced SAN storage solutions. This is a

remote role

with a highly stable organization committed to modernization and infrastructure excellence.

Tech Stack & Environment Details:
OS:

IBM i Operating System v7.5
PTF Management:

Latest Cumulative Pack (24312) + Group PTFs recently applied
High Availability:

MIMIX for replication (DR + Support environments)
Server Infrastructure:

Local (Portsmouth):

4 IBM Power Servers (3x P9, 1x P10)
DR Site (Chicago):

1 IBM Power10 Server
19 Total LPARs

across all systems

Storage:

Portsmouth: FlashSystem 9100
Chicago (DR): FlashSystem 7300

Role Responsibilities:

Administer and support I Series (AS/400) systems and related infrastructure
Monitor, troubleshoot, and patch LPARs across multiple physical systems
Maintain replication and high-availability configurations using MIMIX
Ensure system backups, flash copies, and DR readiness
Collaborate with storage and application teams on performance and availability
Participate in regular system health checks and upgrades
Required Skills & Experience:

Strong experience administering

IBM i / AS400 / I Series

systems
Proficient with

MIMIX replication

and DR procedures
Familiarity with

LPAR configuration

and system saves
Experience working with

IBM Power9 / Power10

hardware
Exposure to

SAN-based storage

(IBM FlashSystem preferred)
Ability to work independently in a remote environment
Excellent troubleshooting and documentation skills
Nice to Have:

Experience with systematic full system saves using flash copies
Previous exposure to large-scale enterprise systems
Familiarity with modern patching strategies for IBM i