Systems Engineering, Integration, and Test (SEIT) Lead

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Are you ready for your next career challenge?

Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions.

Leidos Defense is seeking a Systems Engineering, Integration, and Test (SEIT) Lead to join a team developing a mobile system that aims to combat cruise missiles and unmanned aircraft systems. The SEIT Lead will oversee the integration, testing, and validation of complex systems. This role involves assisting in the planning and execution of system integration activities, ensuring the system meets both technical and operational requirements. The SEIT Lead will collaborate with cross-functional teams to troubleshoot, analyze, and resolve issues during system testing phases. The individual will contribute to defining and executing test procedures, as well as monitoring test progress to ensure timelines and quality standards are maintained. Additionally, the SEIT Lead will support the preparation of test documentation, including test plans, reports, and analysis of results. The role requires close coordination with the Systems Engineering and Development teams to ensure successful system integration and compliance with all customer requirements.

The SEIT Lead will work in a matrixed organization, which supports multiple programs at once in a variety of engineering fields with all different team environments. When the defense program ends, the SEIT Lead will have the opportunity to support a different program in the matrixed engineering portfolio.

Basic Qualifications

Bachelor’s degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Software Engineering, Computer Science, Computer Engineering, Aerospace Engineering, or equivalent degree from an ABET-accredited university with 8+ years of experience or an MS with 6+ years.

Experience in deriving and managing requirements for complex electrical, electro-mechanical, mechanical, and software systems.

Experience creating verification and test plans, and coordinating system integration and test activities to support verification of system level requirements.

Basic understanding of radar systems or at minimum sensor system operations.

Experience leading cross-discipline and product teams.

Demonstrated experience effectively communicating within a team environment, including leading and conducting Technical Design Reviews.

Resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area.

US Citizenship is required with active secret clearance or ability to obtain and maintain a secret clearance.

Preferred Qualifications

Preference shown to candidates who possess a Master of Science in System Engineering from an ABET-accredited university, and/or have at least 2-4 years of direct systems engineering experience.

Preferred candidates will also have experience and/or working knowledge with:

Requirements management tools, such as DOORS, JAMA, or Cameo/MagicDraw

Demonstrated experience effectively leading a team of engineers

Demonstrated experience accurately estimating the engineering effort (i.e. hours) associated with Systems Engineering tasks

DOORS and/or other requirements database tools

Understanding of the DoD acquisition processes and methods

Experience supporting one or more DoD programs

Object Management Group (OMG) Certified System Modeler Professional (OCSMP) certification

INCOSE Systems Engineering Professional (SEP) certification (ASEP or CSEP)

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.