1,327 Results for

Software Test Engineer Jobs in Reston, VA

Jobs

New!

Manassas, VA1 day ago

$95,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

New!

Rockville, MDToday

$110,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

New!

Manassas, VA1 day ago

$85,000–$95,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a leading provider of information technology, logistics management, business process re-engineering, financial management, and administrative support services for the Department of the Navy and Homeland Security.

New!

Manassas, VA1 day ago

$95,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a proactive Junior Systems/Software Integration Engineer to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

New!

Herndon, VA1 day ago

$135,000–$250,500 Per Year

In addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. Ability to independently contribute to software requirements development, software testing and integration, and the creation of both application‑level and embedded C/C++ code on Windows-based and Linux‑based systems, including GUI and system‑control development.

New!

Chantilly, VA1 day ago

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

Laurel, MD11 days ago

$100,000–$245,000

As a member of our team, you will craft scenario concepts that test new and evolving capabilities, conduct pre-flight mission analysis, interact with team members across the Air and Missile Defense Sector, and coordinate technical efforts across sponsor and contractor organizations. We are actively planning for future tests that integrate multiple Missile Defense Agency weapon systems in layered homeland defense scenarios, and taking on challenges such as hypersonic threat vehicles and raids.

New!

Herndon, VA1 day ago

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.

New!

Washington, DCToday

Performs software testing including developing and running automated unit tests, drafting, and executing structured automated test cases. The incumbent is required to immediately disclose any debarment, exclusion, or other event that makes them ineligible to perform work directly or indirectly on Federal health care programs.

New!

Laurel, MD4 days ago

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

New!

Chantilly, VA1 day ago

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Washington, DC7 days ago

$80–$80 Per Hour

Analyze test results to verify functionality, recommend corrections, and maintain detailed documentation for debugging and software updates. Create and run software tests to identify issues and determine root causes, ensuring system modifications are prepared for implementation.

Washington DC, DC22 days ago

Remote

Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations. Working at Samsara means you’ll help define the future of physical operations and be on a team that’s shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring.

New!

Reston, VA2 days ago

$57,850–$104,575

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. April 23, 2026For 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.

Merrifield, VA11 days ago

Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium. Set up, maintain, and perform test automation frameworks on multiple application platforms, such as Mobile, Desktop, and Web, and building test scenarios and acceptance tests.

New!

Reston, VA4 days ago

$100,600–$199,000 Per Year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $131,400 - $215,400 per year. As a Software Engineer II in Microsoft’s Sovereign Cloud Security team, you’ll help design, deliver, and secure highly reliable services that underpin both internal security platforms and customer‑facing cloud offerings.

Washington DC, DC22 days ago

Develop AI-powered products and agents that drive revenue pipeline and improve GTM operational efficiency - whether thats enhancing lead scoring models, automating content generation and multi-step GTM workflows, enriching data, or building smarter seller-facing tools. • You want to impact the industries that run our world: Your efforts will result in real-world impact—helping to keep the lights on, get food into grocery stores, reduce emissions, and most importantly, ensure workers return home safely.

Reston, VA29 days ago

Full-time
Employee

Systems and Test Engineer, you are involved in a variety of internal and customer facing tasks including management of various engineering projects which may entail design documentation, systems engineering, process and procedure documentation, engineering validation and verification, system certification, production, and much more. By providing powerful new ways for people to connect with one another, gain greater access to education, entertainment, medical research, commerce, and much more, our team is empowering millions of customers worldwide.

New!

Reston, VA5 days ago

Remote

$107,900–$195,050

Experience working in cloud environments (e.g., AWS, Azure, Google Cloud) and containerized architectures (e.g., Docker, Kubernetes)•Knowledge of multiple programming languages and ability to work across diverse tech stacks. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

Falls Church, VA11 days ago

We are looking for an experienced Principal Software Engineer who will be responsible for developing and maintaining our flagship product assets. • Secure our software by addressing any vulnerabilities and by writing high-performing, scalable, and secure software to meet customer demands.

New!

Columbia, MD4 days ago

$150,000–$200,000

This role focuses on developing, maintaining, and enhancing complex software systems, including processing-intensive analytics, real-time platforms, large-scale data manipulation systems, and enterprise management solutions. The Software Engineer II will work independently and within collaborative teams to design, test, and refine mission-critical software components.

New!

Springfield, VA1 day ago

The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

New!

Manassas, VA1 day ago

$80,000–$100,000 Per Year

New!

Washington, DCToday

This includes creating test plans, test cases, and test scripts to assess the functionality and performance of hardware components or devices such as motherboard, memory, CPU, storage (SSD, HDD, NVMe) and PCIE devices (NIC, GPU, Mezz cards, RAID cards). Expertise with hardware and API solutions for controlling, managing and stressing L10 devices (servers, network and storage SSDs, NVMe): IPMI, Redfish, mprime, FIO, Linpack, ptugen, memtester.

New!

Manassas, VA2 days ago

We support all AWS data centers and all the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles.

New!

Herndon, VA1 day ago

$97,000–$207,500 Per Year

In addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

New!

Alexandria, VA1 day ago

This intern will work with a cross-functional team of software engineers, data scientists, and analysts supporting rapid prototyping and application development efforts, including AI-enabled solutions, service integrations, and cloud-based platforms. As a Software Engineering Summer Intern, you may support activities such as: Assist in designing, building, and testing software applications and prototypes using Python.

Manassas, VA29 days ago

$46–$48 Per Hour
Temporary
Contractor
Full-time

While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. Our dedicated CWL and MTWS team collaborates closely with the Navy, internal production teams, and industry partners to ensure the flawless delivery and operation of these critical systems in laboratory and submarine environments.

New!

Chantilly, VA1 day ago

$135,000–$250,500 Per Year

This team is at the forefront of satellite command and control systems, leveraging web technologies, distributed computing, sophisticated cloud technologies, frameworks, and cutting-edge capabilities. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Washington, DC25 days ago

Full-time
Employee

Leverage knowledge of data structures, algorithms, and design patterns to write software in a full-stack Java & web technology environment, including but not limited to Gradle, JDBC, Hibernate, Spring, Kafka, Quartz, Typescript, Redux and React. 4+ years using of UiPath RPA development/implementation/administration experience (including but not limited to MS Office, Visio, Microsoft .NET, and Visual Basic, Java, C++, SOAP/REST Web Services, and Database Administration).

New!

Bethesda, MD1 day ago

$140,000–$180,000 Per Year

The organization partners, acquires, or in-licenses drugs from pharma companies, research organizations, and biotechs to develop programs past clinical proof of concept and beyond, ultimately helping to bring new medicines to patients. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

McLean, VA3 days ago

The position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. We have an immediate need for a mid-level DevSecOps Engineer to support the development, enhancement, and operation of scalable, application-focused CI/CD pipelines and automation frameworks for build, test, and deployment workflows in AWS GovCloud.

New!

Herndon, VA2 days ago

This team of veteran professional Electrical Engineers, Mechanical Engineers, Controls Engineers, Project Managers, and Operators is uniquely positioned to provide detailed engineering and operational review and testing of equipment designs, operational functionality and construction practices. This includes, but not limited to, review of design documents and equipment submittals, leading Factory Witness Testing (FWT), and managing third-party commissioning vendors in the performance of onsite pre-functional, functional, and integrated systems testing.

New!

Herndon, VA2 days ago

New!

Sterling, VA1 day ago

$95,000–$135,000 Per Year

Successful candidates will have experience in Electrical Systems & Equipment with a focus in Data Centers and Mission Critical Facilities; experience and an understanding of Building MEP Systems Design, Construction, and Commissioning of Critical Systems ranging in size, rating, and complexity; Commissioning, Testing and Troubleshooting of Electrical Systems and related controls. Knowledgeable with common mechanical, and controls-related building equipment, including: Engine generators / Uninterruptible power supplies & battery systems / Medium and low-voltage electrical switchgear/ PLC controls and sequences of operations / Automatic transfer switches / Static transfer switches / Power distribution units / Busways.

New!

Herndon, VA2 days ago

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. - Travel to sites for site review and work with onsite field engineers, as well as provide engineering evaluations, electrical systems audits, and startup as needed.

New!

Chantilly, VA1 day ago

The ideal candidate will have experience with systems modeling in tools like Cameo, microservice architecture and its application in software systems, and the ability to work collaboratively with cross-functional teams to deliver scalable and secure cloud solutions. Graduate Degree and a minimum of 4 years of prior related experience in Computer Science, Information Technology, Systems Engineering, Software Engineering or a related field.

Laurel, MD11 days ago

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

New!

Herndon, VA2 days ago

The CxE is responsible for supporting vendors, contractors, and other teams involved in the construction and commissioning of various systems including medium and low voltage power systems, Generators, UPS, HVAC, Chilled Water, BMS, and EPMS systems. The responsibilities of the ACx Commissioning Engineer (CxE) include, but are not limited to, oversight and coordination of multi-discipline division of work related to design review and commissioning of Amazon critical infrastructure for new construction and special projects.

New!

Washington, DC1 day ago

A minimum of eight (8) years experience in software development, software quality assurance/control, and/or related field; • A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; • Able to perform all functional duties independently on high-visibility programs, or mission critical aspects of a given program; • Able to oversee the efforts of direct reporting resources and/or be responsible for the efforts of all staff assigned to a specific job; • Experience training/mentoring less experienced personnel; • Extensive knowledge of and experience with formal software testing for complex software applications; • Extensive experience testing software applications, identifying/documenting defects, and working with developers and end users to resolve defects; • Extensive experience with multiple defect tracking tools (e.g. List of tasks to be performed: • Review test requirements, specifications, and documentation to prepare and manage test data for each release.

New!

Gaithersburg, MD2 days ago

$87,100–$157,450

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities.

New!

Herndon, VA1 day ago

$92,500–$171,500 Per Year

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The candidate will need to work independently to resolve a wide range of engineering problems, requiring collaboration with all required disciplines (mechanical, optical, electrical, software, etc.).

Laurel, MD11 days ago

$100,000–$245,000

We are seeking a Maritime Autonomous Systems Engineer to help the US Navy prototype and adopt new maritime robotics technologies for uncrewed surface vehicles (USVs), uncrewed undersea vehicles (UUVs), and other robotic vehicles. In this role, you will have a direct impact on the Navy’s biggest challenges as you apply your systems engineering, test, and team leadership skills to achieve the goals of APL prototype projects and modernize our sponsors’ acquisition approach for autonomous systems.

New!

Fort Belvoir, VA2 days ago

In this role, you will assist in planning, organizing, and conducting exploratory, advanced, and engineering development as well as production engineering studies/programs for new and improved items for combat use under various battlefield and urban terrain conditions. Assists in planning, organizing, and conducting exploratory, advanced, and engineering development as well as production engineering studies/programs for new and improved items for combat use under various battlefield and urban terrain conditions.

Sterling, VA10 days ago

An innovative robotics and data analytics company in Sterling, VA is seeking a hands-on Senior Robotics Engineer (Mechanical & Systems) to support the development of a next-generation inspection platform for the energy sector. Download the Sparks Group mobile app from Apple App Store or Google Play. ------------------------------------------------------------------.

Washington, DC20 days ago

The Corporate Positioning & Insights practice within Strategic Communications enables our clients to solve their most complex communications and reputation management challenges using a product-driven, AI-centric approach. You will work with data scientists, technical leads, and client executives to deliver high-quality systems with a focus on reliability and excellent customer experience, becoming a trusted technical advisor throughout engagements.

New!

Reston, VA5 days ago

Remote

$107,900–$195,050

Leidos Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. Experience working in cloud environments (AWS, Azure, GCP), including hands-on experience with AWS services such as EC2 and S3, and deploying applications in containerized architectures (Docker, Kubernetes).

Laurel, MD11 days ago

$100,000–$245,000

Our dedicated team of engineers and analysts apply multidisciplinary fields such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. As a Modeling and Simulation Engineer / Analyst for ISRT and BMC2 Applications: Your primary responsibility will be to contribute to teams developing mathematical / physics-based models, simulations, analytical methods and tools using Python, MATLAB, government software like AFSIM and other internal M&S tool-sets.

New!

Gaithersburg, MD2 days ago

$87,100–$157,450

As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Washington, DCToday

With operations in over 100 facilities across 30 countries, Jabil delivers innovative, integrated, and customized solutions to clients across diverse industries—including automotive, consumer lifestyle and wearables, defense and aerospace, smart home and building, industrial and energy, enterprise and infrastructure, healthcare, mobility, packaging, and printing. Jabil is seeking a Manufacturing Test Development Manager who will directly contribute to the transformative growth within our Intelligent Infrastructure division by applying unique and innovative approaches to solving problems within a large-scale software production environment.

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Software Test Engineer Jobs in Reston, VA

Jobs

Software/Systems Integration Engineer (RHEL/Clearance)Jobot

System Integration & Test EngineerJobot

Test Engineer (AN/BYG-1)Jobot

Software/Systems Integration Engineer (Secret Clearance Required)Jobot

Lead Software EngineerL3Harris Technologies

Specialist, Integration & Test EngineerL3Harris Technologies

Flight Test Strategy & Design EngineerJohns Hopkins Applied Physics Laboratory (APL)

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

Engineer, Software SrIconma

Formal Verification and Software Assurance EngineerJohns Hopkins Applied Physics Laboratory (APL)

Scientist, Software EngineerL3Harris Technologies

Sr Healthcare Software Tester / QA AnalystSystem One

Senior Mobile Software Engineer - BLE / ConnectivitySamsara

Software EngineerLeidos

Software Development Engineer (SDET)System One

Software Engineer II - CTJ - PolyMicrosoft

Senior Software Engineer, GrowthSamsara

Sr. Systems and Test EngineerInmarsat Government, Inc

Senior Software Engineer – Developer Experience & Code QualityLeidos

Principal Software EngineerKastle Systems

Software Engineer II - ( TS/SCI FS Poly Required)Gables Search Group

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

Junior Linux Systems Engineer (RHEL/Clearance)Jobot

Senior Manufacturing Test Development EngineerJABIL CIRCUIT, INC

Non-Destructive Testing EngineerAmazon Data Services, Inc.

Software Engineering - Various LevelsL3Harris Technologies

Intern/Software EngineeringCalibre Systems

Senior Engineering Support Specialist - Weapons Launcher Test EngineerThe Computer Merchant, LTD.

Lead, Software EngineerL3Harris Technologies

Senior RPA EngineerCompany Confidential

Senior Data EngineerJobot

DevSecOps EngineerCredence

Commissioning Engineer, Commissioning EngineeringAmazon Data Services, Inc.

Commissioning Engineer, Amazon CommissioningAmazon Data Services, Inc.

Electrical Commissioning Project EngineerJobot

Electrical Design Engineer, HV/MV EngineeringAmazon Data Services, Inc.

Specialist, Systems EngineerL3Harris Technologies

Senior Engineer / Analyst for ISRT & BMC2 ApplicationsJohns Hopkins Applied Physics Laboratory (APL)

Commissioning EngineerAmazon Data Services, Inc.

Quality Assurance EngineerPlanIT Group

Lead AI Software DeveloperLeidos

Specialist, EO/IR Systems Engineer (Top Secret Clearance)L3Harris Technologies

Maritime Robotics Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Materials EngineerDCS Corporation

Mechanical Engineer - RoboticsSparks Group

Director, Full Stack Engineer - Digital & InsightsFti Consulting

Software DeveloperLeidos

Modeling & Simulation Engineer / Analyst for ISRT & BMC2 ApplicationsJohns Hopkins Applied Physics Laboratory (APL)

Lead DevSecOps Software DeveloperLeidos

Test Development ManagerJABIL CIRCUIT, INC

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