Legacy Systems Maintenance Technician

This position requires an ACTIVE DoD security clearance. Applicants who do not currently hold an active clearance will not be considered.

At PMAT, we work on mission-critical systems that support government and defense organizations, designing, maintaining, and securing technical capabilities across hardware, software, and infrastructure environments. Our teams tackle complex, real-world challenges where delivery matters more than theory, and innovation is driven by curiosity, collaboration, and purpose.

In this role, you’ll contribute to the sustainment and reliability of complex legacy systems, working alongside engineers and technicians to maintain system availability and support technical requirements.

As a Legacy Systems Maintenance Technician, you will play a key role in maintaining and sustaining legacy system configurations across operational and test environments. You will assess system performance, diagnose complex hardware and software issues, perform preventive and corrective maintenance, and help ensure systems remain reliable and available. Working as part of a team of engineers, technicians, and government personnel, you’ll resolve technical issues and support system performance, testing, and readiness.

This position is ideal for experienced maintenance professionals who enjoy solving technical challenges in a fast-paced, security-conscious environment.

• Perform organizational-level corrective and preventive maintenance on legacy systems and associated equipment.
• Assess, troubleshoot, isolate, and resolve hardware, software, and system integration issues affecting system reliability.
• Monitor and maintain legacy system configurations to support operational availability.
• Execute documented maintenance procedures, inspections, diagnostics, repairs, and functional testing in accordance with technical documentation.
• Document maintenance actions, discrepancies, repairs, and system status using established maintenance processes and records.
• Support system testing, validation, and troubleshooting during maintenance and evaluation activities.
• Collaborate with government personnel, engineers, logistics teams, and other technicians to resolve complex technical issues.
• Ensure compliance with applicable safety, cybersecurity, quality assurance, and configuration management requirements.

PMAT is an innovative small business founded with a passion for developing forward-leaning solutions from exceptional people that advance mission capabilities. We focus on designing and building impactful digital solutions using modern cloud, data, software, and systems engineering concepts. Our work includes complex technical challenges such as computing platforms, legacy system modernization, distributed data systems, and heterogeneous data analysis.

We recruit, retain, and foster a team motivated to pursue passions, investigate new ways of doing things, and embody an innovative and entrepreneurial spirit. We believe in being curious about every element of a problem and experiment relentlessly. We foster continuous learning in an environment that encourages positive collaboration and expands our capabilities. We tap into collective intelligence, acknowledging that the most brilliant people may not be in the room.

Above all else, we believe that delivering and demonstrating is more potent than a sheet of paper. We are passionate about mission-focused engineering and delivering reliable technical capabilities.

Whether you're an experienced technician or just beginning your career, you'll work alongside professionals committed to solving challenging technical problems.

• Minimum seven (7) years of demonstrated experience assessing, troubleshooting, and performing corrective and preventive maintenance on legacy systems and equipment.
• Demonstrated experience performing documented organizational-level maintenance on legacy system configurations.
• Experience monitoring, operating, and maintaining legacy system configurations in support of technical and operational requirements.
• Experience diagnosing complex hardware, software, and system integration issues within mission-critical technical environments.
• Ability to read, interpret, and execute technical manuals, engineering drawings, maintenance procedures, and system documentation.
• Experience documenting maintenance activities and maintaining accurate maintenance records.
• Ability to work effectively in a collaborative team environment…