Remote Z/OS Mainframe Systems Engineer (Contract)

TEKsystems; United States; Remote; USD 52,000 - 72,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance

Job summary

TEKsystems is seeking an experienced Mainframe Systems Programmer/Engineer to support and maintain core mainframe infrastructure in a z/OS Sysplex environment. The role covers installation, testing, maintenance, documentation, monitoring, and support of mainframe software and components, including BMC Control‑D output management.

Responsibilities include 8:00 AM–4:30 PM Central, on‑call rotations, proactive monitoring, troubleshooting, vendor coordination, and disaster recovery readiness across

Qualifications

• Moderate knowledge of IBM z/OS and mainframe architecture.

Responsibilities

• Provide primary support coverage during U.S. business hours (8:00 AM to 4:30 PM Central Time).
• Participate in an on-call rotation, including after-hours and weekend support.
• Perform daily monitoring and support of mainframe systems and software to ensure overall platform health and stability.
• Troubleshoot and resolve infrastructure and software issues through root cause analysis.
• Support and maintain the BMC Control-D output management environment, including report definitions, mission and decollation processes, and web-based access tools.
• Work with software vendors to troubleshoot issues, gather diagnostics, and implement fixes.
• Monitor key system metrics and proactively identify performance, stability, and optimization opportunities.
• Review system and software information regularly to identify potential defects, maintenance needs, and preventative actions.
• Respond to customer support requests and operational incidents.
• Participate in disaster recovery testing and related preparedness activities.
• Support infrastructure and business-driven projects.
• Install, configure, and maintain third‑party mainframe software and software fixes.
• Design and adapt platform solutions to meet business and operational requirements.
• Continuously drive improvements in system availability, operational efficiency, and cost optimization.

Skills

z/OS knowledge

Mainframe support

COBOL

JCL/TSO/ISPF

BMC Control-D

Problem solving

Communication

Tools

SDSF

TSO/ISPF

JCL Development

Job description

TEKsystems is seeking an experienced Mainframe Systems Programmer/Engineer to support and maintain core mainframe infrastructure in a z/OS Sysplex environment. The role covers installation, testing, maintenance, documentation, monitoring, and support of mainframe software and components, including BMC Control‑D output management.

Responsibilities include 8:00 AM–4:30 PM Central, on‑call rotations, proactive monitoring, troubleshooting, vendor coordination, and disaster recovery readiness across