Legacy Support Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Legacy Support Engineer based in United States.

This role is focused on maintaining the stability, performance, and reliability of critical legacy mainframe database environments supporting public sector operations.
You will provide hands-on production support across IDMS and Db2 z/OS environments, diagnosing complex issues and driving effective resolutions.
The position combines database administration, system troubleshooting, performance tuning, batch operations, and production workflow management.
You will work closely with distributed technical teams to implement enhancements, patches, maintenance activities, and modernization initiatives.
The role requires strong ownership, analytical thinking, and the ability to operate independently while supporting high-visibility enterprise systems.
You will also contribute to incident management, root-cause analysis, technical documentation, and long-term remediation planning.
This is a fully remote opportunity for an experienced mainframe professional who can help ensure reliable operations while supporting the evolution of established technology environments.

Accountabilities

• Provide daily operational support for legacy mainframe applications and associated database environments.
• Administer, maintain, troubleshoot, and optimize IDMS databases, including DL/I-style databases, schemas, subschemas, backups, recovery processes, upgrades, and patching.
• Support Db2 z/OS environments, including SQL activities and core mainframe database administration functions.
• Diagnose and resolve complex production issues across legacy platforms while minimizing service disruption and downtime.
• Analyze system and database performance, identify opportunities for optimization, and implement appropriate tuning activities.
• Support traditional batch processing environments, including JCL, job scheduling, monitoring, and production workflows.
• Participate in incident management, root-cause analysis, problem resolution, and long-term remediation planning.
• Collaborate with cross-functional technical teams to implement system enhancements, patches, updates, and configuration changes.
• Support maintenance windows, release cycles, environment migrations, and other production activities as required.
• Assist with modernization initiatives involving legacy platforms and database environments.
• Use workload automation tools such as Control-M to support job scheduling, calendar management, monitoring, and troubleshooting when applicable.
• Document operational procedures, technical changes, system configurations, troubleshooting activities, and best practices to maintain knowledge continuity.
• Work effectively with distributed teams while independently managing assigned priorities, production responsibilities, and deadlines.
• Provide occasional off-hours support for production emergencies and planned maintenance activities.

Requirements

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related technical discipline.
• 7+ years of experience supporting legacy or mainframe systems in production environments.
• Strong hands-on mainframe experience, including production support, troubleshooting, performance analysis, and system optimization.
• Demonstrated experience as a Mainframe Database Administrator supporting IDMS environments.
• Strong knowledge of IDMS, including DL/I-style databases, schema and subschema concepts, maintenance, upgrades, patching, backup and recovery, performance tuning, and incident resolution.
• Working knowledge of Db2 z/OS, SQL, and mainframe database administration fundamentals.
• Experience supporting traditional batch processing systems, JCL, job scheduling, and production operations.
• Strong analytical and troubleshooting skills with the ability to investigate complex technical problems and identify root causes.
• Excellent written and verbal communication skills, with the ability to collaborate effectively across distributed technical teams.
• Ability to work independently in a remote environment, manage competing priorities, and maintain accountability for deliverables.
• Familiarity with Control-M workload automation, including scheduling, calendar configuration, monitoring, and troubleshooting, is preferred.
• Experience supporting legacy platform modernization or migration initiatives is a plus.
• Exposure to federal, public sector, or large enterprise environments with structured change-control processes is preferred.
• Willingness and ability to provide occasional off-hours support for production emergencies and scheduled maintenance.
• Must reside in the United States and be eligible to obtain a Public Trust clearance.

Benefits

• Competitive compensation.
• Fully remote, full-time work environment.
• Medical coverage with multiple plan options.
• Dental and vision insurance.
• Personal time off and paid holidays.
• Paid parental leave.
• Retirement savings options, including pre-tax and Roth plans.
• Flexible spending and dependent care savings accounts.
• Life insurance.
• Short-term and long-term disability coverage.
• Tuition and professional training reimbursement.
• Employee assistance program.
• Opportunities to contribute to public sector technology and high-visibility enterprise environments.
• Equal opportunity workplace committed to employment practices free from discrimination.

How Jobgether works:

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.