Systems Engineer - Test Solutions (MBSE) for DoD

Quest Defense; Tucson (AZ); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Competitive pay

401(k) with employer match

Certification assistance

Flexible workplace

Job summary

Quest Defense Systems and Solutions is seeking a System Engineer- Test Solution Engineering (TSE) to design, model, integrate, and validate subsystem‑level test solutions across the product lifecycle. This hands‑on role emphasizes MBSE, requirements development, test architecture, and cross‑functional collaboration in a defense environment.

The position is onsite in Tucson, AZ with relocation assistance, citizenship and clearance prerequisites, and strong growth opportunities within a

Qualifications

• A bachelor’s degree in science, technology, engineering, or mathematics (STEM) and 2–10+ years of relevant engineering experience (higher experience OK).
• Experience in test requirements development, test planning, methodologies, embedded functional test, integration, verification, and validation.
• Experience developing and managing system requirements across the engineering lifecycle.
• Experience with Model‑Based Engineering tools and languages: Rhapsody, IBM Rational Model Manager, Cameo Systems Modeler, Enterprise Architect, Teamwork Cloud, SysML and/or UML.

Responsibilities

• Develop and implement subsystem models using Model‑Based Systems Engineering tools and methods.
• Collaborate with multidisciplinary teams to define capabilities, derive requirements, and establish interfaces, behaviors, and architecture.
• Communicate test equipment needs, requirements, and constraints to Test Equipment designers.
• Manage and maintain requirements and traceability throughout the product lifecycle.
• Leverage reusable models, architectures, and test environment requirements to improve development efficiency.
• Support integration, verification, and validation activities for both hardware and software‑based test systems.
• Interact with SMEs to understand system behaviors, resolve issues, and support engineering trade studies.
• Participate in design reviews, technical discussions, and cross‑functional coordination.
• Support problem‑solving, debugging, and continuous improvement efforts.
• (As experience increases) Mentor junior engineers and contribute to team development.

Skills

Team collaboration

Problem solving

Communication

Mentoring

Systems engineering

MBSE

Education

STEM bachelor's degree

Tools

Rhapsody

IBM Rational Model Manager

Cameo Systems Modeler

Enterprise Architect

Teamwork Cloud

SysML/UML

Job description

Quest Defense Systems and Solutions is seeking a System Engineer- Test Solution Engineering (TSE) to design, model, integrate, and validate subsystem‑level test solutions across the product lifecycle. This hands‑on role emphasizes MBSE, requirements development, test architecture, and cross‑functional collaboration in a defense environment.

The position is onsite in Tucson, AZ with relocation assistance, citizenship and clearance prerequisites, and strong growth opportunities within a