Systems Integration & Test Engineer

Quest Defense Systems & Solutions, Inc.
Marlborough, MA
On-site

Who this role is best for

Best suited to candidates with aerospace or defense systems experience working in secure lab environments and comfortable with systems-level integration and verification testing.

Best fit for

  • Candidates with aerospace or defense systems experience and a background in integration and verification testing
    — “support complex aerospace electronic systems”
  • Professionals with a collaborative mindset and experience troubleshooting hardware and system issues
    — “work with hardware, software, and systems engineers to resolve issues”

Things to consider

  • U.S. citizenship and security clearance are mandatory requirements
    — “U.S. citizenship and the ability to obtain a security clearance are required”
  • The role demands hands-on lab work, which may not suit remote-only candidates
    — “work hands-on in a secure lab environment in Marlborough, MA”

How to stand out

  • Highlight your experience with system requirements and interface control documents (ICDs)
    — “Use system requirements and interface control documents (ICDs) to verify how components communicate and perform together”
  • Demonstrate proficiency with tools such as DOORS and Jira in your resume and interview responses
    — “Experience using DOORS to manage requirements and verification evidence, Jira to track issues”
  • Showcase your ability to troubleshoot and resolve hardware and system failures
    — “Troubleshoot hardware and system issues, isolate failures, and work with engineering teams to resolve them”
  • Emphasize your background in executing and documenting qualification tests and test sell-offs
    — “Support qualification testing and formal test sell-off, documenting results and any remaining issues”
  • Mention experience with MATLAB or simulation tools for analyzing system behavior
    — “Experience using MATLAB or simulation tools to analyze system behavior”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • develop and execute IV&V procedures
  • integrate and troubleshoot electronic systems
  • support qualification testing
  • document test results
Typical background
B.S. in Systems Engineering, Electrical Engineering, Computer Engineering, Aerospace Engineering5+ years of experience in systems-level IV&V

Skills & requirements

Required

IV&V TestingIntegration TestingTroubleshootingSystem RequirementsInterface Control DocumentsDoorsJiraMatlab

Preferred

Terminal System OperationMatlab SimulationJira Issue TrackingQualification TestingInterface Control Document Development

Stack & domain

System RequirementsInterface Control DocumentsIntegration And Verification TestingTroubleshootingDoorsMatlabJiraSystem Behavior AnalysisTerminal SystemsCircuit Card AssembliesLine-replaceable UnitsMulti-box Electronic SystemsQualification TestingFormal Test Sell-offModel-serving PathsObservabilityKubernetesCollaborationProblem-solvingCommunicationAerospaceDefenseElectronic Systems

About the role

Original posting from Quest Defense Systems & Solutions, Inc.

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a company dedicated to excellence and the pursuit of safety and mission success. 

Quest Defense Systems & Solutions is seeking a Systems IV&V / Integration & Test Engineer to support complex aerospace electronic systems. You’ll work hands-on in a secure lab environment, integrating circuit card assemblies, line-replaceable units (LRUs), and terminal systems while troubleshooting issues across the full system.

In this role, you’ll use system requirements and interface control documents (ICDs) to plan and perform integration and verification testing. You’ll investigate failures, support qualification testing and sell-off, and work with hardware, software, and systems engineers to resolve issues. The work calls for experience with complex electronic systems and comfort using tools such as DOORS, MATLAB, and Jira.

This position is based in Marlborough, MA. Relocation assistance is available. U.S. citizenship and the ability to obtain a security clearance are required. Active clearance is preferred. 

What You’ll Do

Develop and execute systems-level IV&V, integration, and test procedures for complex electronic systems.

Integrate and operate terminal systems, circuit card assemblies (CCAs), and line-replaceable units (LRUs) in secure lab environments.

Troubleshoot hardware and system issues, isolate failures, and work with engineering teams to resolve them.

Use system requirements and interface control documents (ICDs) to verify how components communicate and perform together.

Support qualification testing and formal test sell-off, documenting results and any remaining issues.

Use DOORS to manage requirements and verification evidence, Jira to track issues, and MATLAB or simulation tools to analyze system behavior.

Collaborate with hardware, software, systems, and test engineers throughout integration and testing.

Required Qualifications: 

Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, Aerospace Engineering, or a related field.

At least 5 years of experience in systems-level IV&V, integration, or test for aerospace, defense, or similarly complex electronic systems.

Hands-on experience integrating and troubleshooting circuit card assemblies (CCAs), line-replaceable units (LRUs), or multi-box electronic systems in a lab.

Experience developing or executing system-level verification and qualification tests, documenting results, and investigating failures.

Ability to interpret system requirements and interface control documents (ICDs) to verify system behavior and interfaces.

Experience using DOORS or a comparable requirements management tool.

Ability to work hands-on in a secure lab environment in Marlborough, MA.

U.S. citizenship and the ability to obtain and maintain a security clearance.

Preferred Qualifications: 

Experience operating and testing integrated terminal systems.

Experience using MATLAB or simulation tools to analyze system behavior and test results.

Familiarity with Jira for tracking test issues and resolution.

Experience supporting formal qualification testing, acceptance testing, or test sell-off in an aerospace or defense environment.

Experience developing or refining interface control documents (ICDs) for systems with multiple interconnected components.

An active U.S. government security clearance.

Experience adopting and/or integrating emerging technologies (e.g., generative AI, automation platforms, digital assistants) into day-to-day operations for continuous improvement.

The QDSS Advantage:  

At QDSS, our advantage is purpose-driven work, collaborative teams, and complex challenges that push boundaries and build lasting impact. You’ll grow your career while contributing to mission-critical programs that demand excellence and shape the future. 

What You’ll Find Here 

Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. 

Growth That’s Supported – Competitive compensation, employer-matched 401(k), certification assistance, and clear opportunities for advancement. 

A Culture That Works – A flexible, collaborative, and people-first environment where teamwork, innovation, and balance are valued. 

Benefits Include 

Competitive pay, comprehensive medical/dental/life and disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. 

Full compensation package is based on candidate experience and certifications

Pay Ranges$130,000—$160,000 USDAt Quest Defense Systems and Solutions, we don’t just build technology — we engineer the future. From next-generation aerospace solutions to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the boundaries of innovation. This is where problem-solvers, innovators, and visionary thinkers come together to shape the future. With over 25 years of aerospace and defense engineering expertise, our commitment to delivering high-quality, transformative solutions sets us apart — not just as an industry leader, but as a driving force for impactful change. Together, we’re not just leading the industry — we’re revolutionizing it.

Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Source: Quest Defense Systems & Solutions, Inc. careers

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