Systems Integration & Test Engineer

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’llgrow your career while contributing to mission-critical programs that demand excellence and shape the future. WhatYou’llFind Here Work That Matters – Next-generation, safety- and mission-critical projects where your contributions have real-world impact. GrowthThat’sSupported – Competitive compensation, employer-matched 401(k), certificationassistance, 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/lifeand disability coverage, 401(k) with employer match, professional development support, and a flexible, friendly workplace. Pay Ranges $130,000—$160,000 USD At 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. #J-18808-Ljbffr Quest Defense Systems & Solutions, Inc.