Legacy Support Engineer

The Newberry Group • Saint Charles, MO

7d • Remote

About The Position

Newberry Groups seeks an experienced Legacy Support Engineer with strong mainframe IDMS and Db2 z/OS DBA expertise to maintain, support, and enhance enterprise legacy database systems. This position focuses on the stability, performance, and modernization support of high‑visibility production environments within our Public Sector client.

Requirements

• 7+ years supporting legacy/mainframe systems in production environments.
• Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field.
• Strong analytical, troubleshooting, and communication skills.
• Ability to work remotely with distributed teams and manage tasks independently.
• Strong mainframe background, including support, troubleshooting, and performance tuning.
• Mainframe Database Administrator experience with IDMS (DL/I‑style databases, schema/subschema), including maintenance, upgrades/patching, backup/recovery, performance tuning, and resolving incidents
• Working knowledge of Db2 z/OS, SQL, and database administration fundamentals within mainframe environments.
• Experience supporting traditional batch systems, JCL, and production operations.
• Occasional off‑hours support may be required for production emergencies or planned maintenance.

Nice To Haves

• Familiarity with Control‑M workload automation (job scheduling, calendar setup, monitoring, and troubleshooting).
• Experience with modernization initiatives or migrations of legacy platforms.
• Exposure to federal or enterprise environments with mature change-control processes.

Responsibilities

• Provide daily operational support for legacy mainframe applications and associated databases.
• Diagnose, troubleshoot, and resolve issues across legacy platforms, ensuring minimal downtime.
• Analyze system performance, identify tuning opportunities, and execute optimization tasks.
• Support batch processing operations, job scheduling, and production workflows.
• Collaborate with cross-functional teams to implement enhancements, patches, and updates.
• Participate in incident management, root-cause analysis, and long-term remediation planning.
• Assist with maintenance windows, release cycles, and environment migrations as needed.
• Document processes, technical changes, and system configurations to support knowledge continuity.

Benefits

• medical coverage with three plan options
• dental and vision coverage
• personal time off
• paid holidays
• paid parental leave
• telecommuting if available
• retirement savings accounts (Pre-Tax and Roth)
• flexible and dependent care savings accounts
• life insurance
• long and short-term disability coverage
• tuition and training reimbursement
• employee assistance program

What This Job Offers

• Job Type: Full-time
• Career Level: Senior