Senior z/OS Mainframe Systems Engineer (Remote)

Brilliant Infotech Inc.; Washington (District of Columbia); Remote; USD 140,000 - 180,000; Full time

Job summary

Brilliant Infotech Inc. seeks an experienced Mainframe Systems Programmer to lead engineering, operations, and planning for our IBM z/OS environment.

This role focuses on performance, reliability, and scalability across critical infrastructure, storage, and disaster recovery operations in a remote work setup. You will serve as the SME for IBM mainframe and z/OS, install and maintain z/OS and third‑party tools, and guide upgrades, DR tests, and capacity planning.

Qualifications

• 10+ years as a Mainframe Systems Programmer in large-scale environments.
• Expertise in IBM z/OS, CICS, storage/tape management, and mainframe hardware.
• Strong experience with system upgrades, DR, and capacity planning.
• Familiarity with IDMS, security tools, and workload management.

Responsibilities

• Serve as the subject matter expert for IBM mainframe and z/OS.
• Install, configure, and maintain z/OS and third-party tools (CA, BMC, Endevor, TopSecret, etc.).
• Perform CICS administration, system tuning, and capacity planning.
• Manage mainframe storage, tape systems, and DR planning/testing.
• Support system upgrades, patches, and performance optimization.
• Collaborate with IT leadership on modernization initiatives (Linux, cloud readiness).
• Ensure security, compliance, and best practices across mainframe systems.

Skills

IBM z/OS

CICS

Storage & Tape

DR planning

Capacity planning

Security tools

Workload management

Team leadership

Tools

CA

BMC

Endevor

TopSecret

Job description

Brilliant Infotech Inc. seeks an experienced Mainframe Systems Programmer to lead engineering, operations, and planning for our IBM z/OS environment.

This role focuses on performance, reliability, and scalability across critical infrastructure, storage, and disaster recovery operations in a remote work setup. You will serve as the SME for IBM mainframe and z/OS, install and maintain z/OS and third‑party tools, and guide upgrades, DR tests, and capacity planning.