Senior Product Systems Engineer - SIGINT

Leidos LLC; Maryland; On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is hiring a Senior Product Systems Engineer – SIGINT to sustain mission-critical SIGINT software, ensuring reliability, performance, and security across Linux and Windows. You will join a multidisciplinary team delivering engineering, automation, testing, and operational support for Intelligence Community missions.

Responsibilities include lifecycle sustainment, CONOPS/technical planning, and deployment readiness, with emphasis on monitoring, troubleshooting, and continuous improvement of

Qualifications

• Clearance TS/SCI with Polygraph required at time of application.
• Minimum of six (6) years of Systems Engineering experience.
• Minimum of ten (10) years of Linux systems administration experience.
• Minimum of five (5) years of experience implementing and supporting SIGINT technologies.
• Minimum of five (5) years of experience integrating, testing, and deploying software.
• Minimum of three (3) years of scripting experience (Bash, Perl).
• Minimum of two (2) years of experience using JIRA or similar systems.

Responsibilities

• Provide lifecycle engineering for SIGINT applications operating in Linux and Windows environments.
• Coordinate integration of product improvements into operational baselines.
• Monitor dataflow, identify issues, and optimize performance.
• Troubleshoot hardware and software failures and document resolutions.
• Perform regression testing and operational evaluations for product releases.
• Develop and deploy automation to improve monitoring and deployment efficiency.
• Create SOPs, training materials, and support documentation.

Skills

Clearance TS/SCI with Polygraph

Linux system administration

Bash scripting

Perl scripting

SIGINT technologies experience

Education

BA/BS degree in engineering or related field

Tools

JIRA

Job description

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.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

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 Do

Product 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.
• Experience BA/BS degree. Additional years of experience may be considered in lieu of degree.
• Minimum of six (6) years of Systems Engineering experience supporting programs or contracts of similar scope, type, and complexity.
• Minimum of ten (10) years of Linux systems administration or operations experience.
• Minimum of five (5) years of experience implementing and supporting SIGINT technologies.
• Minimum of five (5) years of experience integrating, testing, and deploying software.
• Minimum of three (3) years of scripting experience using Bash, Perl, or similar scripting languages.
• Minimum of two (2) years of experience using JIRA or similar project management and issue-tracking systems.

Preferred Qualifications

• Experience supporting Intelligence Community SIGINT mission applications.

Pay Range

Pay Range: $107,900.00 - $195,050.00. The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.