Model-Based Systems Engineer (Secret Clearance)

Job DescriptionJob Description

MKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Our commitment to excellence and our "Mission First" has resulted in steady growth and an expanding client base across government agencies. We have employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran-owned companies in the nation. Please take a moment to browse through our website and learn more about what it means to serve with MKS2.

Job Title: Systems Engineer – Use Case Development / MBSE

Location: Huntsville, AL (On-Site, Full-Time)
Clearance: Active Secret Required; TS/SCI Eligibility Desired
Salary Range: $120,000 – $132000 - full benefits included

Position Summary:

Seeking a senior-level Systems Engineer to support system definition, interface documentation, and mission-focused use case development for evolving Missile Defense System (MDS) capabilities. You'll work closely with cross-functional product teams and technical leads to define and decompose system requirements, drive MBSE artifacts, and support Agile planning through Epic and Feature definition.

Key Responsibilities:

• Develop and decompose use cases, Epics, and Features supporting customer-requested capabilities

• Create and maintain systems engineering artifacts including interface control documents (ICDs), Verification Cross Reference Matrices (VCRMs), architectural documents, and requirements traceability

• Support formal and informal engineering reviews

• Provide mentorship to junior systems engineers on use case development and modeling

• Coordinate with MDA working-level counterparts and stakeholders

• Interface with technical leads, government customers, and Agile development teams

Technical Requirements:

• Experience with systems engineering in a DoD or aerospace/defense environment

• Demonstrated experience in mission analysis with skill in development of use cases, sequence diagrams, and SysML modeling in support of MBSE

• Hands-on experience with use case and sequence diagram development

• Proficiency in SysML and MBSE tools (Cameo/MagicDraw, Rhapsody, etc.)

• Requirements derivation and decomposition (DOORS, Jama, or similar)

• Familiarity with Agile frameworks and Feature/Epic definition

• Experience with logical architecture modeling and interface definition

• Exposure to Missile Defense or Space Domain systems highly desired

• Understanding of cybersecurity principles and system security accreditation

Skills:

• Familiarity with MDA programs and Missile Defense architecture

• Experience supporting RMF or NIST security compliance

• Ability to lead system design efforts with minimal oversight

• Strong communication and documentation skills

Minimum Qualifications:

• Bachelor's degree with 9+ years relevant experience OR Master's degree with 7+ years

• Active Secret clearance required (TS/SCI eligibility )

• DoD 8570 IAT Level II certification required (e.g., Security+)

creates a healthier atmosphere: MKS2 Technologies is proud to be an Equal Employment Opportunity / Affirmative Action employer, and all qualified applicants will receive consideration for employment without regard to , , , , , , protected veteran status, status, , or expression, marital status, genetic information, or any other characteristic protected by law.