Principal Systems Engineer

Leidos Holding$131K — $237K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree and 12+ years of relevant experience, or Master's degree with 10+ years of experience.
  • Expertise in leading systems engineering for large-scale, complex programs.
  • Proficient in requirements management, including decomposition and allocation.
  • Experience in verification and validation planning and execution at the enterprise level.
  • Interface management skills across multiple subsystems and teams.
  • Familiarity with MBSE and SysML modeling for complex system architectures.
  • Background in safety-critical systems engineering, specifically hazard and risk analyses.

Responsibilities

  • Lead systems engineering activities across four ARTs.
  • Establish and govern requirements management processes.
  • Manage interface control documents and integration specifications.
  • Develop verification and validation (V&V) strategies and plans.
  • Conduct safety analysis, including hazard identification and mitigation.
  • Define and enforce systems engineering process standards and best practices.
  • Champion an AI-first engineering culture by applying AI-assisted development solutions.

Benefits

  • Opportunity to work on mission-critical projects that impact air traffic.
  • Hybrid work model with 3 days onsite and 2 days remote.
  • Work with a team focused on modern development practices and technologies.
  • Engagement in a growing program within the aviation sector.
Full Job Description
Leidos is seeking a Principal Systems Engineer (LEAD) to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Automation Platform (L-CAP). L-CAP is a mission-critical, future-ready automation platform built on a hybrid cloud data mesh architecture, enabling next-generation air traffic management capabilities. You will lead systems engineering across a four-ART engineering organization, providing technical governance for requirements, interfaces, integration, verification, and safety analysis. We are building with an AI-first engineering mindset, embracing emerging AI capabilities and modern development practices to accelerate delivery, improve software quality, and continuously evolve how we design and build mission-critical systems. This position supports government programs and requires the ability to obtain andmaintaina favorable Public Trust investigation.

This role is part of a growing program, and hiring will depend on available funding. We review applications on a rolling basis, but the timeline for interviews and offers may vary. In some cases, we may extendcontingent offersthat become active once funding is confirmed.

This position is located inGaithersburg, MD; Egg Harbor Township, NJ; or Eagan, MN. This is an opportunity to contribute to projects that impact millions of air travelers.

This is a hybrid position requiring 3 days onsite and 2 days remote work. Candidates should reside a commutable distance to one of the above locations.

What Youll Do

  • Lead cross-program systems engineering activities across four ARTs

  • Establish and govern requirements management processes and standards

  • Define and manage interface control documents and integration specifications

  • Develop verification and validation (V&V) strategy and execution plans

  • Maintain requirements traceability from stakeholder needs through implementation

  • Lead system integration planning and execution across the platform

  • Conduct safety analysis including hazard identification and mitigation

  • Support certification activities and regulatory compliance evidence

  • Define and enforce SE process standards and best practices

  • Lead technical reviews including SRR, PDR, CDR, and TRR

  • Ensure cross-ART architectural consistency byestablishingshared systems engineering standards and interface governance

  • Lead modernization planning from a systems engineering perspective including decomposition strategies and transition sequencing

  • Govern interfaces between legacy and modernized servicesmaintainingtechnical coherence across the program

  • Champion an AI-first engineering culture byidentifyingand applying AI-assisted development capabilities, automation, and emerging software engineering practices that improve developer productivity, code quality, testing, and delivery.

Core Technical Qualifications:

  • Bachelors degree with 12+ years of relevant experience or Masters degree and 10+ years of experience or equivalent experience.

  • Systems engineering leadership for large-scale, complex programs

  • Requirements managementexpertiseincluding decomposition and allocation

  • Verification and validation planning and execution at the enterprise level

  • Interface management across multiple subsystems and teams

  • MBSE andSysMLmodeling experience for complex system architectures

  • System integration planning and execution for distributed platforms

  • Safety-critical systems engineering including hazard and risk analysis

  • Aviation or defense domain systems engineering experience

  • Proficiencywith DOORS, Jama, or equivalent requirements management tools

  • Ability to obtain andmaintaina Public Trust clearance; US citizenshiprequired; subject to government background investigation

  • Experience ensuring architectural consistency across multiple development teams or release trains

  • Demonstrated leadership in systems engineering for large-scale modernization programs

  • Ability to obtain and maintain a Public Trust

  • U.S. citizenship required

  • Successful completion of background investigations as required by the government customer

Preferred / Desired Qualifications

  • FAA certification experience (DO-178C, DO-254, DO-278A)

  • DO-178 and DO-254 compliance and evidence development

  • INCOSE Certified Systems Engineering Professional (CSEP)

  • Large program SE leadership across 100+ engineers

  • Model-based systems engineering approaches

  • Formal verification and validation methods

  • Experience governing interfaces between legacy and modernized services in complex system-of-systems environments

ATMC

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



Original Posting:
August 21, 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 $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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