Model-Based Systems Engineer

Standard Job Description

Who We Are

Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated professionals who are passionate about pushing the boundaries of what's possible.

What We’re Doing

At Lockheed Martin, we're at the forefront of cutting-edge technology and innovation. Our campus in Manassas, Virginia is a hub for engineering excellence, where we tackle some of the world's most challenging engineering problems. We pride ourselves on our culture of creativity, excellence, and product innovation.

The Work

Lockheed Martin Rotary & Mission Systems seeks a full-time Systems Engineer to support the AN/SQQ-89 Undersea Warfare Combat System using a rigorous MBSE (SysML-driven) approach. As an experienced professional, your responsibilities will include:

• Requirements Management: Define and maintain AN/SQQ-89 system requirements within MBSE, ensuring real-time traceability, automated impact analysis, and alignment with naval operational requirements across the digital thread.

• Functional Modeling: Develop subsystem models and FDDs from the architectural model, ensuring requirements are structured, testable, and validated against mission scenarios.

• V&V & Test Planning: Plan and execute MBSE-driven V&V, using models for pre-test simulation, generating verification evidence, and supporting dockside/at-sea test planning and certification.

• Functional Analysis & Trades: Conduct functional analysis and parametric simulations using the MBSE model to inform capability enhancements, system integrations, and design decisions.

• Architecture Evolution: Own and evolve the AN/SQQ-89 MBSE architecture (SysML), maintaining interface definitions, requirement-to-design traceability, and audit-ready artifacts for compliance and lifecycle sustainability.

• Cross-Functional Coordination: Collaborate with hardware/software/test engineers and naval stakeholders to align MBSE models with integration requirements, ensure onboard compatibility, and sustain traceability toward program goals and interoperability.

• Configuration Management: Integrate model artifacts into CM workflows, capture lessons learned, and ensure compliance with MIL-STD-1521, INCOSE Guideposts, and program conventions.

Why Join Us

Joining Lockheed Martin means becoming part of a team that's making a significant impact in the field of engineering. When you choose to work with us, you'll enjoy:

•An excellent working environment equipped with state-of-the-art tools.

•The opportunity to work alongside industry leaders and top-notch professionals.

•A chance to be a part of solving some of the world's most challenging engineering problems.

•A culture that encourages creativity, excellence, and the development of remarkable products.

If you're ready to take your career to the next level, work on groundbreaking projects, and be a part of a team that thrives on innovation, we encourage you to apply and be a part of our mission.

Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work.

Learn more about Lockheed Martin’s competitive and comprehensive benefits package .

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Basic Qualifications

• BS in Systems Engineering, Software Engineering, Computer Science, Electrical Engineering, or related STEM with 3+ years professional engineering experience

• Strong foundational SE concepts, standards, and lifecycle processes

• Hands-on experience developing SysML models using Cameo Systems Modeler or MagicDraw

• Experience writing, decomposing, and verifying technical requirements from high-level operational concepts

• Experience working in Agile environments using Jira and Confluence

• Qualified candidate must be able to obtain a DoD Interim Secret Security Clearance prior to starting this position. This requires US Citizenship.

• Must be willing and able to travel < 25% as needed

Desired Skills

• Use SysML model as single source of truth to automate requirements, configuration files, and verification documentation

• Experience with continuous digital thread workflows for rapid, traceable design changes and reusable model data

• Draft/coordinate formal customer deliverables (SEMPs, Test Plans, Analysis Reports)

• Basic scripting/programming (Python/Java) for model automation, data queries, or report generation

• Proficiency with DOORS or DOORS Next Generation (DNG)

Pay Information

Full-Time Salary Range: $79300.00 - $147300.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.

• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.