Model-Based Systems Engineer

Leidos Holding$69K — $125K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor’s degree in engineering or related field with 2+ years of relevant experience, or a master's degree with at least 1 year experience in systems or software engineering.
  • Must be a US Citizen.
  • Active Secret clearance with the ability to obtain TS.
  • Experience in a Software Integration Lab (SIL) environment.
  • Familiarity with SysML, preferably using Cameo/MagicDraw.
  • Strong interest in advancing technology and learning new skills.
  • Effective communication skills, both written and verbal.

Responsibilities

  • Utilize MBSE methodologies and tools for developing system architectures on new programs.
  • Align solution architecture with customer requirements through collaboration.
  • Capture, decompose, and trace system level requirements using various models.
  • Analyze and refine architectures and interfaces to ensure system integrity.
  • Develop and define system structure and behavior for emerging tech.
  • Create models representing new systems and functionalities.
  • Collaborate with stakeholders across software, testing, and mechanical disciplines.

Benefits

  • Collaborative work environment with government and engineering teams.
  • Opportunity to work on cutting-edge technology in defense sector.
  • Role offers diversely challenging tasks that enhance skills in systems engineering.
  • Potential for career growth and advancement within a respected organization.
Full Job Description

Are you ready for your next career challenge?

The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Model-Based Systems Engineer to work in our Arlington, VA office. This is an exciting opportunity to use your experience helping multiple DoD customers develop “bleeding edge” technology protecting our warfighters in the field. Your role will directly support our diverse portfolio of programs through a combination of requirement and design architecture analysis and MBSE Model development.  Your skills may be requested to help create briefing material for design reviews and Technical Exchanges.

Primary Responsibilities:

As a Systems Engineer with Leidos, you will use MBSE methodologies and tools to help develop system architectures on new development programs and incorporating Leidos unique capabilities into test or fielded HW.  This role will also assist the technical team align the solution architecture to the customer requirements. 

Day-to-day life will involve exercising existing tools and models and creating new models to represent emerging systems.  This will be a synthesis of MBSE tools like NoMagic CSM to:  

  • Capture, decompose, and trace system level requirements.  

  • Analyze, define, and refine architectures, and interfaces. 

  • Develop system structure and behavior. 

  • Collaborate with government stakeholders, software, test, mechanical and electrical teams. 

Please Note: Candidates must be able to work on-site in Arlington, VA.

Basic Qualifications:

  • Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field.

  • Must be a US Citizen. 

  • Must have an active Secret clearance with the ability to obtain TS.

  • Experience working in a SIL environment. 

  • Experience with SysML, preferably using Cameo/MagicDraw.

  • Strong desire to grow and learn new technologies. 

  • Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment.  

  • Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task).

Preferred Qualifications

  • Active TS clearance. 

  • Familiar with Agile Methodologies, preferably SCRUM or Kanban. 

  • Experience with Atlassian tools such as JIRA, Confluence, Bitbucket.

  • OCSMP (OMG Certification for Systems Modeling Professionals) 

  • Experience with executable SysML simulation capabilities and scripting languages. 

  • Experience with MBSE methodologies such as Magicgrid. 

  • Understanding of military CONOPS. 

NKE

ElectronicWarfare

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:
July 24, 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 $69,550.00 - $125,725.00

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.

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.

Innovation and Professional Growth

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.

Commitment to Diversity and Inclusion

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.

Internship Programs

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.

Benefits and Culture

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.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

Stay Connected

Stay informed with the latest career tips, industry insights, and company news from Leidos Holding. Subscribe to receive updates and be the first to know about new job opportunities, company developments, and more.

Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

SEARCH LEIDOS HOLDING JOBS

READ CAREERS BLOG

Job Alert Emails

Customize your subscription to receive job alerts and insider tips tailored to your preferences from Leidos Holding. See what exciting and rewarding opportunities await in your professional journey.
Learn more about Leidos Holding

Similar Jobs

More Jobs at Leidos Holding

More Aerospace & Defense Jobs

Find similar Model-Based Systems Engineer jobs: