Systems Engineering, Integration, and Test (SEIT) Lead

Leidos LLC; Huntsville (AL); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos Defense seeks a Systems Engineering, Integration, and Test (SEIT) Lead to oversee integration, testing, and validation of complex systems in a matrixed engineering portfolio.

The role requires coordination with Systems Engineering and Development teams, plan/test procedures, and ensuring compliance with customer requirements. North Alabama relocation and active secret clearance are considerations.

Qualifications

• 8+ years of experience in systems engineering or related fields.
• Experience deriving and managing requirements for complex systems.
• Experience creating verification and test plans and coordinating system integration and test activities.
• US Citizenship with ability to obtain/maintain secret clearance.
• Resident of North Alabama or willing to relocate to Huntsville area.

Responsibilities

• Oversee integration, testing, and validation of complex systems.
• Assist in planning and execution of system integration activities.
• Coordinate cross-functional teams to troubleshoot and resolve testing issues.

Skills

Requirements management

Verification planning

System integration

Radar knowledge

Cross-disciplinary leadership

Technical Design Reviews

Clearance readiness

Education

ABET-accredited BS in engineering/related field

MS in System Engineering

Tools

DOORS

JAMA

Cameo/MagicDraw

Job description

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. 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. If you’re looking for comfort, keep scrolling.

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.

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)

Pay Range

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.

Leidos 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.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

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.