UNKNOWN

ADAPTED_NOW

Candidates will work across the full software development lifecycle, supporting Java development, AWS GovCloud, DevSecOps, AI-driven test automation, and cloud platform migration initiatives. We are seeking experienced Software Engineers at multiple levels to support the development, deployment, and maintenance of mission-critical cloud-based applications.

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 
Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

System One

Software Engineer (Java / AWS GovCloud / DevSecOps)

FEED

Essentially, youll perform research and engineering laboratory functions involving the layout, building, testing, troubleshooting, and repairing devices, assemblies, subsystems, and systems as well as perform technical activities which impact the proposal, system level design, detail design and manufacture of advanced electronics systems. In our highly collaborative and global environment, youll analyze the effects of projects upon various areas such as Engineering, Facilities, and the labor pool to determine the most practical and cost-efficient methods to obtain the required resources and participate in the tactical planning for completion of identified project segment.

YEAR

General Dynamics Corp

Senior Test Engineer Support Specialist

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Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Function as a technical expert across multiple project assignments, planning and leading major testing initiatives while mentoring junior test engineers and supervising quality assurance teams.

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>. 
 
 We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Test Engineer (Senior)

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The engineer should have working knowledge of test automation, including the use of automated test frameworks and scripts (e.g., Squish, Selenium, PyTest, Robot Framework) to run repeatable tests. This position leads the verification, validation, and qualification of advanced systems, focusing on testing methodologies and systems integration to evaluate Air Traffic Control (ATC) modernization initiatives.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Senior Systems Integration & Test Engineer

Key Responsibilities: SLA & Performance Validation: Turn the SLA into a measurable test plan with pass/fail thresholds and own phase-gate acceptance; baseline the on-premises VDI and score AVD and Horizon on the same harness; automate logon, boot, IDE cold start, and concurrent-workload tests with Login Enterprise or LoadGen. Security & State Validation: Run negative tests proving production is unreachable, public endpoints are denied, App Control and EPM behave as designed, and every action reaches the SIEM; prove desktops rebuild clean while repos, caches, and tooling survive.

Oteemo Inc.

Senior Test Engineer

Collaborate with stakeholders to plan, estimate, and break down work for migrating the current in-house test harness from legacy Robot Framework to a modern alternative (e.g., Robot Framework AIO or Microsoft Playwright). 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.

Senior Test Engineer - 25k Sign on Bonus

FULL_TIME

Senior-level Test Systems Engineers assist in leading Application, System and Integration Testing teams performing test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely and accurate GEOINT. Senior-level systems integration experience working in government or industry integrating large complex System of Systems or Service Oriented Architecture environments residing in cloud, on premise, or hybrid infrastructures.

Senior Test Systems Engineer

[AW]-iCims

As a Test Engineer on this program, you will have the opportunity to design, develop, and execute automated tests to ensure the quality and reliability of software applications and services in a Continuous Integration / Continuous Delivery Pipeline within a commercial cloud environment. Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets.

Sr. Test Engineer

Working closely with Production, Manufacturing Engineering, Systems Engineering, Quality, and engineering teams in the United States and Israel, this role ensures testing is reliable, repeatable, properly documented, and capable of supporting production and customer delivery requirements. Several factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity.

DRS Technologies, headquartered in Arlington, Virginia, U.S.A., is a leading supplier of integrated products, services and support to military forces, intelligence agencies and prime contractors worldwide. Focused on defense technology, the Company develops, manufactures and supports a broad range of systems for mission critical and military sustainment requirements, as well as homeland security. The Company has been recognized as one of the fastest growing defense technology companies in the world and holds leading market positions in thermal imaging devices, combat display workstations, electronic sensor systems, power systems, rugged computer systems, air combat training systems, mission recorders, deployable flight incident recorders, environmental control systems, telecommunication systems, aircraft loaders, military trailers and shelters, and integrated logistics and support services. DRS's broad range of mission critical systems and sustainment solutions uniquely position the Company to support the ongoing superiority of the military's Current Force, as well as the modernization and emerging transformation initiatives of the Future Force. DRS responds to the needs of U.S. and allied military forces, as they engage in day-to-day expeditionary activities, by providing high-tech products and systems that improve the capabilities of many key platforms. The Company also provides a range of military support systems and services. DRS's products are deployed on a wide range of high-profile military platforms and on several platforms for non-military applications. Our sustainment products, such as environmental control systems, power generators, water and fuel distribution systems, chemical/biological decontamination systems and heavy equipment transport systems, are used to support military forces, humanitarian efforts and peacekeeping. We also provide security and asset protection systems and services, telecommunication and information technology services, training and logistics support services for all branches of the U.S. armed forces and certain international militaries, homeland security forces, and select government and intelligence agencies. DRS strives to provide quality products and services and stand behind them, to invest in research and development and new market opportunities, and to leverage existing core defense programs and business areas.

DRS Technologies

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Leonardo DRS Inc

Experience with any of the following: Computational Fluid Dynamics especially for aerodynamic high-speed flows, Finite Element Analysis and solid mechanics, Fluid Structure Interaction, Flight dynamics and trajectory calculations (formulated in six degrees of freedom ("6DoF"), Ballistics, Penetration mechanics, Combustion and Thermodynamics. Overview: VTG is seeking a Senior Test & Evaluation Engineer in Washington, DC (near Navy Yard) to provide Engineering Support Services to Engineers and Subject Matter Experts in support of the Conventional Prompt Strike (CPS) Program under the Department of Navy.

Sr. Test & Evaluation Engineer

The engineer should have working knowledge of test automation, including the use of automated test frameworks and scripts (e.g., Squish, Selenium, PyTest, Robot Framework) to run repeatable tests. October 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Armison Tech is looking for a Senior Test Engineer with extensive experience testing integrated systems, executing Factory Acceptance Testing (FAT) or similar User Acceptance Testing activities, and performing requirements-based testing. Basic hands-on experience analyzing and troubleshooting windows processes and network traffic using COTS diagnostic tools such as Wireshark, Process Monitor (Procmon), Process Explorer, or similar system analysis tools.

Driven by technical excellence, Armison Tech provides top-tier cyber security services, consulting services, and technology solutions which strive to help organizations in both the public and private marketplace achieve success.
Founded in 2012, Armison Tech is a minority owned small business headquartered in Northern Virginia. Since its establishment, Armison Tech has served as a vehicle that allows for the most qualified and highly recommended consultants in their respective industries to offer their skills and insights.&nbsp;
Armison Tech&rsquo;s cost-effective and time-efficient services and solutions have earned the company a reputation of excellence. Our team of industry experts provide sophisticated consulting services which can be customized to fit the unique needs and requirements of a wide array of clientele.

Armison Tech

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Qualifications: Required: Bachelor's degree + 8 years of experience in related fields, such as test engineering, quality assurance, software testing, infrastructure testing, or DevOps engineering; equivalencies considered.

CACI International Inc

WHAT DESIRED SKILLS YOU'LL BRING Developmental testing or cybersecurity engineering experience; related master's degree. This role combines technical leadership in DevOps, CI/CD, and automated testing with analysis and coordination supporting mission-critical cyber capabilities.

X8 LLC

Senior DevSecOps & Test Automation Engineer

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Essentially, you’ll perform research and engineering laboratory functions involving the layout, building, testing, troubleshooting, and repairing devices, assemblies, subsystems, and systems as well as perform technical activities which impact the proposal, system level design, detail design and manufacture of advanced electronics systems. In our highly collaborative and global environment, you’ll analyze the effects of projects upon various areas such as Engineering, Facilities, and the labor pool to determine the most practical and cost-efficient methods to obtain the required resources and participate in the tactical planning for completion of identified project segment.

At General Dynamics Mission Systems, employees share a common mission to be a trusted partner to the U.S. defense, intelligence and homeland security communities. 

Whether you're working on the internal systems of a new ship strategic to the U.S. Navy's role in keeping sea lanes open, developing a camera system for the U.S. Army to protect our forces or helping the Department of Homeland Security coordinate defense against and response to cyber attacks, you'll share a sense of duty and patriotism common to all General Dynamics employees. 

When you join General Dynamics, you'll become part of a culture that nurtures innovation. We encourage our professionals to challenge the conventional way of doing things. And we motivate our employees to solve tough customer problems by promoting and sharing new ideas. 

Join a team that's dedicated to what matters most. Build your career at General Dynamics today. 

General Dynamics Mission Systems is a business unit of General Dynamics. Headquartered in Falls Church, Va., General Dynamics employs approximately 91,000 people worldwide. The company is a market leader in business aviation; land and expeditionary combat systems, armaments and munitions; shipbuilding and marine systems; and information systems and technologies.

General Dynamics Mission Systems, Inc

Lead and contribute to multidisciplinary teams comprised of government sponsors, government labs, industry partners, and other UARCs/FFRDCs focusing on requirements decomposition and analysis, concept/technology development, acquisition, test planning and execution, system evaluation, post test data analysis decision support, and risk assessments. Have at least 10 years of systems test engineering experience in the development and test and evaluation of complex systems, including one or more of the following: system requirements analysis; understanding system design and architecture; testing and analysis within a weapon/missile system development cycle; system verification and validation; ground / flight test planning and execution.

Johns Hopkins University Applied Physics Laboratory LLC

Senior Weapons Systems Test Engineer

Responsible for creating software test and automating test cases, performing application testing, validating bugs, and isolating issues; writing and initiating tests and then analyzing and reporting the test results in the ticketing system; and performing configuration management, change management, and release management. Work/Life Balance: A healthy work/life balance is essential for building and executing your work effectively at NSI/Synergy ECP, but it's also necessary to allow you the room to pursue everything you want to develop in your personal life.

Synergy ECP LLC

Senior Test Automation Engineer

You will play a vital role in ensuring mission readiness, validating intricate data flows across multiple disparate networks, and aligning the entire test life cycle directly with strategic operational timelines. However, your work will extend beyond isolated software testing to include evaluating how custom web applications, distributed architectures, and interoperable non-kinetic data streams function as a unified ecosystem.

Twosix Technologies

Senior Software Test Engineer

Perform engineering design reviews, and engaging representatives of Integrated Product Teams (IPTs), and working directly with vendors and stakeholders in enhancing technologies and capabilities in developmental lifecycle support. We are proud to have built, and continue to foster, an incredibly talented team spanning across the globe in hundreds of different fields – each team member proud to serve our country with first-class business services, while also making a difference for our Chugach shareholders.

Senior Test Engineer Jobs in Herndon, VA

Software Engineer (Java / AWS GovCloud / DevSecOps) System One

Senior Test Engineer Support Specialist General Dynamics Corp

Test Engineer (Senior) CACI

Senior Systems Integration & Test Engineer Leidos Holdings Inc

Senior Test Engineer Oteemo Inc.

Senior Test Engineer - 25k Sign on Bonus Leidos Holdings Inc

Senior Test Systems Engineer VTG

Sr. Test Engineer Leidos Holdings Inc

Senior Test Engineer DRS Technologies

Senior Test Engineer Leonardo DRS Inc

Sr. Test & Evaluation Engineer VTG

Senior Systems Integration & Test Engineer Leidos

Senior Test Engineer Armison Tech

Test Engineer (Senior) CACI International Inc

Senior DevSecOps & Test Automation Engineer X8 LLC

Senior Test Engineer Support Specialist General Dynamics Mission Systems, Inc

Senior Weapons Systems Test Engineer Johns Hopkins University Applied Physics Laboratory LLC

Senior Test Automation Engineer Synergy ECP LLC

Senior Software Test Engineer Twosix Technologies

Senior Test Engineer Chugach Government Solutions

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