Principal Systems Engineer - BMD SME

Principal Systems Engineer – Ballistic Missile Defense SME

Apex Systems is seeking a Principal Systems Engineer – Ballistic Missile Defense Subject Matter Expert (BMD SME) to lead advanced modeling, simulation, and analysis efforts that define the next generation of Missile Defense System (MDS) architectures. This is a high-impact role where your expertise will influence future concepts, address Warfighter needs, and guide strategic decisions for national defense.

If you have deep technical knowledge and thrive on solving complex challenges, this is your opportunity to make a lasting impact.

What You'll Do

• Define and refine future concepts for modeling, simulation, and analysis.
• Serve as a subject matter expert in architecture analysis and review preliminary results before delivery.
• Assess MDS threats, capability gaps, and develop innovative system mitigations and evolutions.
• Support high-performance computing (HPC) analysis for advanced M&S efforts.
• Develop analysis plans, execute simulations, analyze results, and prepare detailed reports for senior leadership.

What You Bring

• Education & Experience: Master's degree in STEM with 12+ years in missile defense or large DoD programs.
• Clearance: Active Secret clearance with ability to obtain TS/SCI.
• Technical Expertise: Extensive experience in modeling, assessment, and evaluation of future missile defense architectures.
• Deep understanding of current MDS architecture and future concepts.

Preferred Qualifications

• Active TS/SCI clearance.
• Experience with advanced algorithms for M&S of MDS architectures.
• Familiarity with directed and kinetic energy weapons and future concepts.
• Proficiency in MATLAB, Python, HPC environments, and/or MBSE.
• Experience in multidisciplinary analysis and optimization.
• Specialized knowledge in threat characterization, RF sensing/signatures, and EO/IR sensing/signatures.
• Proven ability to coauthor reports and contribute to MDS studies and Congressional responses.
• Understanding of cyber gaps, mitigations, and future cyber architecture development.
• Ability to collaborate with DoD, Combatant Commands, and industry experts.

Why Apex?

• Work on mission-critical projects shaping the future of missile defense.
• Collaborate with elite technical teams in a dynamic environment.
• Competitive salary, benefits, and opportunities for advancement.
• Be part of a team that values innovation, integrity, and technical excellence.

Ready to lead the next evolution of missile defense? Apply today and help define the future of national security.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at employeeservices@apexsystems.com or 844-463-6178.