Fuse Integration

Defense & Space

SystemsTestEngineerIV

$155–215k ~AI est. San Diego, California, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Systems Test Engineer IV at Fuse Integration. Skills: Systems Test Engineering, Integration, Validation, Risk Reduction. Contribute to Design Reference Missions (DRMs). Identify mission-critical behaviors”

What You'll Achieve.

Reduce uncertainty through evidence generation; Ensure delivery decisions are informed by validated system behavior; Mature system readiness; Support mission success; Reduce late-stage integration surprises; Improve confidence in readiness decisions; Enable delivery decisions based on demonstrated system behavior; Elevate organizational integration and validation maturity

Industry & Context.

Defense & Space
Problems you'll solve

Troubleshooting; Root-cause analysis; Analyze system behavior; Identify risks

Eligibility Requirements

Active U. S. Secret Clearance

What They're Looking For.

Must Have

Bachelor's Degree in Engineering, Mathematics, Physics, Computer Science, or related technical discipline, or equivalent experience, 8–12 years of experience supporting development, integration, validation, or operational evaluation of complicated systems, Experience leading integration and validation activities across multiple engineering disciplines, Experience analyzing system behavior and identifying integration risks through test, simulation, experimentation, or operational evaluation, Experience developing validation strategies, readiness criteria, and evidence-based recommendations, Demonstrated ability to operate in iterative development environments where architecture and implementation evolve through learning, Technical troubleshooting and root-cause analysis skills, Active U. S. Secret Clearance

Nice to Have

Experience with tactical communications, networking, RF, SATCOM, cyber, or C4ISR systems, Experience with modeling and simulation environments supporting system validation, Experience with Jira, Jama, DOORS, or similar traceability and engineering management tools, Experience supporting flight test, operational demonstrations, or military experimentation events, Experience with digital engineering, MBSE, SysML, Cameo, or related methodologies, Experience defining readiness criteria for complex integrated systems, Experience operating in environments where integration and test are used as primary mechanisms for risk reduction and architectural learning

What You'll Do.

Contribute to Design Reference Missions (DRMs)

Identify mission-critical behaviors

Identify operational stressors

Identify validation objectives

Translate mission intent into measurable system outcomes

Translate mission intent into readiness criteria

Participate in identification of mission risks

Participate in identification of integration uncertainties

Participate in identification of validation priorities

Lead development of validation strategies

Align validation strategies to mission threads

Align validation strategies to architectural intent

Align validation strategies to system risk posture

Define integration approaches

Define operational evaluation approaches

Progressively reduce uncertainty

Collaborate with Systems Engineers

Ensure architectural hypotheses can be validated

Produce evidence-producing activities

Define test objectives

Define success criteria

Define expected system behaviors

Lead integration activities

Lead modeling activities

Lead simulation activities

Lead experimentation activities

Lead operational evaluation activities

Design learning-oriented integration events

Validate system-level assumptions

Invalidate system-level assumptions

Identify architectural gaps

Identify interface mismatches

Identify operational risks

Analyze system behavior

Evaluate expected versus observed system behavior

Communicate resulting insights

Produce evidence-based assessments

Support system maturity decisions

Support readiness decisions

Coordinate cross-discipline troubleshooting

Coordinate root-cause analysis efforts

Drive integration learning cycles

Reduce mission uncertainty

Reduce architectural uncertainty

Establish readiness criteria

Support integration decisions

Support delivery decisions

Ensure validation evidence is traceable

Trace validation evidence to mission intent

Trace validation evidence to operational objectives

Support mission demonstrations

Support operational assessments

Support customer-facing evaluations

Communicate system readiness

Communicate residual risk

Communicate confidence levels

Recommend delivery readiness

How You'll Work.

Team & Collaboration

Across software, networking, RF, cyber, hardware, and systems engineering disciplines; Cross-discipline troubleshooting; Cross-discipline root-cause analysis

Communication Scope

Communicate insights; Communicate system readiness; Communicate residual risk; Communicate confidence levels; Communicate to leadership

Process & Methodology

Iterative development

Full Job Description

**Who we are:** Fuse builds innovative communications, networking, and computing solutions that improve the sharing of information, video, text, and voice among operators distributed throughout the airborne, maritime, and ground environments. We are a technology firm creating in-house software, network and hardware solutions that support our noble cause of advancing warfighter capabilities with elegant, user-focused communications, networks, and software systems. **About This Role:** Fuse is seeking a Systems Test Engineer IV to lead integration, validation, and operational evaluation activities across complicated tactical communication systems. This role is responsible for reducing uncertainty through evidence generation and ensuring delivery decisions are informed by validated system behavior rather than assumptions. Working within Fuse's Define–Design–De-risk–Deliver iterative development model, the Systems Test Engineer IV transforms mission intent, architectural hypotheses, and integration risks into structured validation strategies that produce actionable evidence. This role collaborates across software, networking, RF, cyber, hardware, and systems engineering disciplines to mature system readiness and support mission success. Integration and test are treated as learning activities—not cleanup phases. Successful candidates will be comfortable operating in environments where architecture evolves through experimentation, progressive integration, and operational feedback. **Key Responsibilities** **Define** * Contribute to Design Reference Missions (DRMs) by identifying mission-critical behaviors, operational stressors, and validation objectives * Help translate mission intent into measurable system outcomes and readiness criteria * Participate in identification of mission risks, integration uncertainties, and validation priorities **Design** * Lead development of validation strategies aligned to mission threads, architectural intent, and system risk posture * De

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