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Hybrid in Fairfax, Virginia

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Today

Role: Performance Load Test Engineer Location: Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per Week. Duration: Long Term Contract Position Require a Secret Clearance JOB DESCRIPTION: The Performance Load Test Engineer is responsible for designing, executing, and optimize performance testing strategies for missioncritical applications. The role requires SME level experience in load, stress, endurance, scalability, and capacity testing along with strong analytical skills to identify pe

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Depends on Experience

Remote Turnup and Test Service (RTTS) Engineer

Ashburn, Virginia

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Today

Must be available to work on site 5 days a week in Ashburn, VA. Dynamic and motivated RTTS Engineer (Remote Turnup and Test Service) who will report to a Senior Manager and will be directed by Project Management and RTTS Leads. The RTTS engineer will be responsible to remotely turn up and test Ciena 6500, RLS and ancillary equipment for customer deployments and migrations. This includes shelf commissioning and provisioning, establishing end-to-end continuity on routes, BER testing using intern

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Cleared Software Test Engineer

Chantilly, Virginia

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Today

Responsibilities As an experienced Software Test Engineer with our team, you will be working with our federal clients in support of the rapidly developed innovative solutions addressing immediate mission challenges. The ideal candidate will design, execute, and automate tests for enterprise applications within an Agile environment, ensuring high-quality software that meets security and compliance requirements. Job Responsibilities Create software tests and automate test cases for enterprise ap

Full-time

USD 109,800.00 - 171,525.00 per year

Principal Test Systems Engineer

Reston, Virginia

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Today

Job ID: T2601188 Location: Reston, VA, US Date Posted: 2026-03-05 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ? We are seeking a Test Systems Engineer to develop and lead a test campaign for system level testing to validate mission readiness and performance. This position

Full-time

Specialist, Integration/Test Engineer

Chantilly, Virginia

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 76,500.00 - 142,500.00 per year

Advanced Test Engineer

Manassas, Virginia

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Today

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. CLEARANCE REQUIREMENTS:: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to t

Full-time

USD 116,395.00 - 129,126.00 per year

Systems Integration and Test Engineer

Remote or Manassas, Virginia

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Today

Job Description Who we are Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated professionals who are passionate about pushing the boundaries of what's possible. The Work Lockheed Martin Rotary & Mission Systems is seeking a full-time Systems Integration and Test E

Full-time

USD 73,400.00 - 129,260.00 per year

Senior Test Engineer

Manassas, Virginia

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Today

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience. CLEARANCE REQUIREMENTS:: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to

Full-time

USD 85,239.00 - 94,562.00 per year

Senior Test Engineer

McLean, Virginia

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Today

Job Number: R0235696 Test Engineer, Senior The Opportunity: When a user tries new sof tware, they expect it to be intuitive and run smoothly. Functionality, reliability, and user experience are key to successful sof tware development-and that means rigorous testing. That's why we need you, an experienced test engineer who knows how to thoroughly test sof tware and work with developers to make sure our team releases the best sof tware possible. As a test engineer on our team, you'll use your exp

Full-time

USD 86,800.00 - 198,000.00 per year

Test Engineer (Secret Clearance Required)

Fairfax, Virginia

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3d ago

Test Engineer Secret Clearance Required Client: Department of Defense POP: 12+ months Location: Fairfax, VA; must be able to go to DC 1-2 times per week with Secret Clearance SCOPE The Test Automation Engineer is responsible for designing, developing, and maintaining automated testing frameworks that ensure the quality, reliability, and performance of DoD mission-critical applications. Position requires handson experience with modern automation tools, strong scripting and programming skills, a

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Contract

Up to $55

Senior Specialist, Integration / Test Engineer

Herndon, Virginia

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Today

Full-time

Specialist, Integration / Test Engineer

Herndon, Virginia

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Today

Full-time

Systems Integrator / Test Engineer

Herndon, Virginia

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Today

Req Id: 127 Job Title: Systems Integrator / Test Engineer Location: Herndon, VA - Herndon, VA 20171 US (Primary) Job Description: Fibertek, Inc. is a leading developer of laser and electro-optic systems for the aerospace community, with key contributions to lasers for atmospheric sensing, laser communications, and lidar sensors for NASA, DoD, and commercial customers. We are looking for a highly motivated individual to join our Research and Development Division in Herndon, VA. As the System

Full-time

Software Development Engineer in Test (SDET)

Reston, Virginia

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Today

Evolver is a cybersecurity and digital transformation company supporting national defense, federal civilian agencies, and Fortune 500 organizations. We help customers secure critical systems, modernize enterprise technology, and solve complex operational challenges through integrated capabilities spanning cybersecurity, enterprise IT infrastructure, cloud, software development, data analytics, legal technology and eDiscovery, applied AI, and electronic security systems. Our teams combine deep te

Full-time

Entry Level Test Engineer

Manassas, Virginia

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Today

Basic Qualifications Key Responsibilities: Design, development, and implement cost-effective testing methods. Generate technical engineering products using appropriate standards, processes, procedures, and tools. Execute test approaches and document system verification throughout the engineering development lifecycle. Isolate and document issues and defects. Setup and conduct functional, environmental, operational, and/or performance tests on hardware, software, and systems. Knowledge, Skills

Full-time

USD 56,889.00 - 96,711.00 per year

Senior System Test Engineer, Cyber and Intel Systems

Reston, Virginia

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 146,000.00 - 200,000.00 per year

Test Engineer

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for a Test Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounte

Full-time

USD 87,100.00 - 157,450.00 per year

Sr. Test Engineer

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for a Sr. Test Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Disco

Full-time

USD 107,900.00 - 195,050.00 per year

F-35 Test Engineer

Arlington, Virginia

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Today

Job Number: R0234998 F-35 Test Engineer The Opportunity: When a user tries new hardware or sof tware, they expect it to be intuitive and run smoothly. Functionality, reliability, and user experience are key to successful development-and that means rigorous testing. That's why we need you, an experienced test engineer who knows how to thoroughly test aircraft hardware and sof tware and work to make sure our team releases the best F-35 possible. As an F-35 Test Engineer on our team, you will prov

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Test Engineer

Gaithersburg, Maryland

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Today

Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. The

Full-time

USD 92,300.00 - 166,850.00 per year

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