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Mainframe Operator

Infinitice, LLCPontiac, MI🇺🇸United StatesPosted 2 Sept 2026

Why This Role Stands Out

Infinitice, LLC offers a fantastic opportunity to grow your career as a Mainframe Operator within a reputable IT staff augmentation firm. You'll thrive in this role if you are a skilled professional eager to contribute to critical technology operations and be part of a dynamic team. Apply today to leverage your expertise and advance your career!

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Pontiac, MI, United States
Posted
1 week ago

Job Description


Overview
Infinitice specializes in IT staff augmentation, connecting businesses with highly skilled professionals across data, analytics, and technology roles. We help organizations scale quickly with the right talent at the right time.


Job Title: Mainframe Operator

Location: Pontiac, MI (onsite)

Job Description

  • Serve as a Level 1 Incident Manager for critical IT incidents and events, including rapid creation, escalation, triage, and tracking of customer technology-related issues.
  • Communicate effectively with IT staff, customers, and vendors to ensure smooth collaboration during incidents.
  • Utilize graphical monitoring systems to track the availability and status of infrastructure connectivity, assets, and services.
  • Monitor mainframe control consoles and regularly check system performance to maintain high operational standards.
  • Assist with reviewing and validating mainframe job control language as needed.
  • Perform assigned deliveries and must be able to lift up to 50 pounds.
  • Work onsite is required; remote work is not available for this position.
  • Applicants may be scheduled to work holidays, days, afternoons, and/or midnight shifts.


Requirements

  • Minimum 5 years of experience in IT operations, NOC/SOC operations, or a similar production support role.
  • Experience serving as an Incident Manager (Level 1) or in incident triage/coordination for critical outages and events.
  • Hands-on experience using monitoring and alerting tools (e.g., What?s Up Gold, Pingdom, PRTG) to track availability, performance, and connectivity across infrastructure and services.
  • Ability to monitor control consoles and perform routine checks of system performance in a high-availability environment (including IBM mainframe operations).
  • Working knowledge of mainframe concepts; ability to assist with review/validation of job control language (JCL) is required.
  • Strong verbal and written communication skills, with the ability to collaborate effectively with IT staff, customers, and vendors during time-sensitive incidents.
  • Proficiency with Microsoft Teams (minimum 5 years).
  • Ability to work onsite (no work-from-home option for this position).
  • Willingness and ability to work holidays and rotating shifts, including days, afternoons, and/or midnight shifts, as scheduled.
  • Ability to lift up to 50 pounds.

Experience

  • Experience supporting IBM z/OS environments and enterprise scheduling/batch operations.
  • Familiarity with ITIL practices (Incident, Problem, and Change Management).
  • Experience working with ticketing/case management systems and documenting incident timelines and post-incident actions.
  • Prior experience in a 24x7 operations center supporting multiple technologies and platforms.


Benefits

Holidays
Health Insurance
Dental Insurance
Vision Insurance
401K
401K match


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