System Engineer (MBSE)

Agile Defense, LLC; St. Louis (MO); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Agile Defense, LLC seeks a System Engineer (MBSE) in a Hybrid role based in St. Louis, MO.

You will apply model‑based systems engineering to plan, design, develop, integrate, and verify complex systems across the lifecycle, ensuring performance and interoperability. Responsibilities include leading requirements management, risk mitigation, TRL assessments, and MBSE trade studies using Cameo, with a focus on affordability, reliability, cybersecurity, and mission assurance.

Qualifications

• Requires MBSE experience and systems engineering background.
• Experience writing system and software requirements; familiarity with test procedures.
• Education in technical field with software/configuration management tooling exposure (Team Foundation Server/Azure DevOps).

Responsibilities

• Perform analysis to optimize total system architecture for complex missions.
• Apply interdisciplinary MBSE approaches to plan, design, develop, verify system solutions.
• Define and coordinate system performance requirements and verify methods across design and validation stages.
• Define high-level requirements and track decomposition to architecture elements for design, verification and validation.
• Perform risk assessments and mitigation plans for compliance and mission readiness.
• Develop verification/validation methods and documentation for program milestones.
• Develop and document software system requirements and interfaces.
• Translate requirements into architecture, hardware, and software designs and interfaces.
• Test and validate designs to meet operational and functional requirements.

Skills

MBSE

System engineering

Agile Methodologies

Requirements management

Risk management

Education

Bachelor's degree in Computer Engineering, Software Engineering, Computer Science, Mathematics, or other technical degree

Tools

Cameo

Azure DevOps

Job description

Job Information

Requisition #: 1647
Job Title: System Engineer (MBSE)
Location: Hybrid, St. Louis, MO
Clearance Level: Secret, Must Have Clearance to Start

Job Description

This position applies a collaborative, interdisciplinary systems engineering approach to plan, design, develop, integrate, and verify complex systems and system-of-systems solutions throughout the lifecycle. It analyzes customer and operational requirements to define system performance, ensures compatibility across technical and program interfaces, and optimizes overall system architecture. It conducts engineering analyses to support affordability, reliability, maintainability, safety, cybersecurity, certification, and mission assurance objectives. It leads requirements management, risk and issue management, technology readiness assessments, and systems engineering processes while resolving cross‑functional technical challenges to ensure successful mission outcomes.

• Perform analysis to optimize total system and/or system architecture to solve complex mission planning problems.
• Apply interdisciplinary, collaborative approaches to plan, design, develop, and verify system solutions.
• Define and coordinate system performance requirements and integrate technical parameters.
• Define high‑level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower‑level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation.
• Perform analyses for affordability, safety, reliability, maintainability, testability, survivability, human systems integration, vulnerability, susceptibility, system security, regulatory, certification, product assurance, product security (cyber security) and other specialty quality factors into a preferred configuration to ensure mission success.
• Utilize Model-Based Systems Engineering (MBSE) tools such as Cameo, and mathematical modeling and simulation to develop system definitions and perform trade studies in assigned areas.
• Perform risk assessments and generate mitigation plans for various programs with regard to compliance with system requirements and customer capabilities.
• Develop verification and validation methods, processes, logic, and plans in support of program milestones.
• Develop and document software system requirements.
• Analyze and translate requirements into system architecture, hardware and software designs and interface specifications.
• Test and validate to ensure system designs meet operational and functional requirements.

Education and Background

• Bachelor, Master or Doctorate of Science degree from an accredited course of study, in Computer Engineering, Software Engineering, Computer Science, Mathematics, or other technical degree Experience with software configuration management tools such as Team Foundation Server/Azure DevOps
• Experience writing and analyzing test procedures and software requirements
• Experience with OFP (Operational Flight Program) SIL (System Integration Lab) testing

Years of Experience

5+ years

Required Skills

5+ years of experience in system engineering, 1+ years of experience with Scaled Agile Framework or Agile Methodologies

Working Conditions

Typical office environment.

Equal Opportunity Statement

Equal Opportunity Employer / Protected Veterans / Individuals with Disabilities