Senior Product Systems Engineer - SIGINT

About Leidos Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. Guided by our Mission, Vision, and Values, Leidos empowers its teams, contributes to its communities, and operates sustainably—always with a commitment to doing the right thing for our customers, our people, and our community.

The Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support Intelligence Community customers as they address evolving national security challenges.

About the Opportunity Leidos is seeking a Senior Product Systems Engineer – SIGINT to provide lifecycle engineering and operational sustainment for mission-critical SIGINT applications operating in Linux and Windows environments. As part of a multidisciplinary engineering team, you will help ensure mission software remains reliable, performant, secure, and operationally ready by combining systems engineering, product sustainment, automation, testing, and operational support.

Why This Role Matters Mission applications only deliver value when they remain healthy, available, and continuously improving throughout their operational lifecycle. As a Senior Product Systems Engineer - SIGINT, you will own the technical health of critical SIGINT software capabilities by supporting deployment, monitoring, testing, automation, troubleshooting, and lifecycle sustainment activities that directly enable Intelligence Community missions.

What You'll DoProduct Engineering & Sustainment Provide lifecycle engineering support for mission-critical SIGINT applications operating in Linux and Windows environments.

Support systems engineering activities that improve product functionality, reliability, and operational effectiveness.

Develop Concepts of Operations (CONOPS), technical plans, support plans, and engineering documentation.

Coordinate integration of product improvements into operational baselines.

Systems Integration & Operations Monitor product dataflow, identify system and component issues, and optimize operational performance.

Troubleshoot hardware, software, and subsystem failures while documenting defects and recommended resolutions.

Perform regression testing, Operational Acceptance Testing, and Operational Evaluations supporting product releases.

Support software integration, deployment, and operational readiness activities.

Automation & Monitoring Develop scripts, tools, and automation that improve system monitoring, operational health, and deployment efficiency.

Create monitoring mechanisms that provide system health, mission status, and operational metrics.

Develop automation supporting system administration and operational sustainment.

Optimize system performance through continuous monitoring and engineering improvements.

Product Support & Training Develop Standard Operating Procedures (SOPs), support documentation, and training materials.

Provide technical training supporting operational users and sustainment personnel.

Support periodic system backups and document recovery procedures.

Collaborate across engineering and operational organizations to integrate tools, scripts, and monitoring capabilities into the product baseline.

Required Qualifications

Clearance TS/SCI with Polygraph required, at the time of Application, to be considered for the position.

ExperienceBA/BS degree. Additional years of experience may be considered in lieu of degree.

Minimum of six (6) years of Systems Engineering experience…