3,317 Results for

Software Engineer Jobs in Fairfax, VA

Jobs

New!

Arlington, VA1 day ago

$120,000–$150,000 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. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

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!

West McLean, VA1 day ago

$140,000–$215,000 Per Year

With first hand knowledge of problems that arise deploying software with millions of concurrent users worldwide, this paradigm changing tool will enable engineers to quickly, efficiently, and reliably develop and deploy large scale distributed systems autonomously. 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!

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!

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!

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!

Chantilly, VA1 day ago

Experience with any of the following tools: Grafana, Prometheus, influxdb, Postgres, CDK (Cloud Development Kit), Cloud formation, Ansible, GIT (Global Information Tracker), Active Directory, Networking, GRE (Global Accelerator Resolvers & Endpoints), EKS (Elastic Kubernetes Service), RDS (Relational Database Service), Lambda, IAM (Identity and Access Management). Tool familiarity: Grafana, Prometheus, influx DB, Postgres, CDK (Cloud Development Kit), Cloud formation, Ansible, GIT (Global Information Tracker), Active Directory, Networking, GRE (Global Accelerator Resolvers & Endpoints), EKS (Elastic Kubernetes Service), RDS (Relational Database Service), Lambda, IAM (Identity and Access Management).

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, VAToday

$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.

New!

Chantilly, VAToday

$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.

New!

Tysons, VA1 day ago

$140,000–$215,000 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

Fort Meade, MD11 days ago

$200,000–$200,000 Per Year

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Participate in Agile/Scrum ceremonies and collaborate closely with cross functional engineering teams.

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!

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.

Washington, DC11 days ago

$140,000–$180,000 Per Year

This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.

New!

Manassas, VA1 day ago

$80,000–$100,000 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!

Fairfax, VA1 day ago

$85,000–$130,000 Per Year

The ideal candidate will have a strong background in Electrical or Architectural Engineering and will be comfortable preparing technical design documents, modeling construction drawings for building systems, and managing projects from schematic design to construction administering phases. 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.

Laurel, MD11 days ago

$85,000–$195,000

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

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!

Washington, DC1 day ago

$100,000–$200,000 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. This is a permanent role that will require you to use your knowledge and experience in air distribution, ventilation, automation, controls, design, development, construction, QA, QC, LEED, BD+C, ASHRAE, and other related areas.

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!

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.

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.

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!

Herndon, VA2 days ago

As an Amazon Fleet Remediation Project Design Mechanical Engineer, you will lead design projects in operational data centers, that remediate issues, upgrade our existing infrastructure or add new services. As a Fleet Remediation Project Design Mechanical Engineer, you will be leading projects to fit out our data centers to meet ever-evolving customer needs as we continue expanding our fleet to hyper-scale.

Laurel, MD11 days ago

$100,000–$245,000

You'll be joining our hardworking team of system engineers, algorithm developers, FPGA and embedded software engineers, and advanced EW technology enthusiasts who enjoy working together to craft creative solutions to complex challenges. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

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!

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!

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.

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!

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!

Merrifield, VA5 days ago

The ideal candidate will hold a Bachelor’s or Master’s degree in Software Development (or a related field) from an accredited university and demonstrate proficiency in modern development tools and languages. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

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.).

New!

Herndon, VA2 days ago

The AWS AMER Cost Control team is seeking a passionate and motivated construction cost engineer to support a portfolio of Data Center Construction projects in North and South America. 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.

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!

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.

New!

Washington, DC1 day ago

Experience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.

New!

Washington, DC1 day ago

Design, code, test, and debug computer programs, independently or as part of a team, using computer languages identified and available in the Infrastructure Tool Kit (ITK). • Maintain contact, as designated, with the team leader, customers, contractors, and equipment vendors to monitor progress and coordinate varied project stages.

McLean, VA10 days ago

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

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.

New!

Alexandria, VA2 days ago

AWS Data Centers have multiple components such as generators, uninterruptable power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. - Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

New!

Herndon, VA1 day ago

The successful ACE will engage with customer, engineering, operations, and management personnel to define and document the customer’s mission needs, CONOPS and requirements; perform trade studies; engage L3Harris Subject Matter Experts (SMEs) to architect an affordable solution carrying acceptable risk; and provide technical leadership to capture and proposal efforts. The role requires demonstrated leadership across multiple disciplines, with significant expertise in model-based design and operations for large scale networks integrating multiple technologies (terrestrial, radio, satellite) and system life-cycle sustainment.

Annapolis Junction, MD30+ days ago

$66,602–$80,500 Per Year

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

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.

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.

Laurel, MD11 days ago

$100,000–$245,000

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

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!

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.

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Software Engineer Jobs in Fairfax, VA

Jobs

Software EngineerJobot

Software/Systems Integration Engineer (RHEL/Clearance)Jobot

Senior Software EngineerJobot

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

Lead Software EngineerL3Harris Technologies

Software/Systems Integration Engineer (Secret Clearance Required)Jobot

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

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

Scientist, Software EngineerL3Harris Technologies

Lead, Software EngineerL3Harris Technologies

Senior Backend EngineerJobot

Software EngineerSystem One

Software Development Engineer (SDET)System One

Engineer, Software SrIconma

Software DeveloperSystem One

Junior Linux Systems Engineer (RHEL/Clearance)Jobot

System Integration & Test EngineerJobot

Electrical Engineer: HybridJobot

Radar Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Software Engineering - Various LevelsL3Harris Technologies

Senior Mechanical EngineerJobot

DevSecOps EngineerCredence

Test Engineer (AN/BYG-1)Jobot

Sr Healthcare Software Tester / QA AnalystSystem One

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

Project Design Mechanical Engineer, Fleet Remediation EngineeringAmazon Data Services, Inc.

Signal Processing EngineerJohns Hopkins Applied Physics Laboratory (APL)

Senior Data EngineerJobot

Commissioning Engineer, Commissioning EngineeringAmazon Data Services, Inc.

Commissioning Engineer, Amazon CommissioningAmazon Data Services, Inc.

Specialist, Systems EngineerL3Harris Technologies

Non-Destructive Testing EngineerAmazon Data Services, Inc.

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

Software Developer (C++/C#/ASP.Net)System One

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

Construction Cost Engineer, AMER Cost ControlAmazon Data Services, Inc.

Electrical Commissioning Project EngineerJobot

Specialist, Integration & Test EngineerL3Harris Technologies

DevSecOps EngineerPlanIT Group

Software DeveloperPlanIT Group

Senior Google AI EngineerCredence

Materials EngineerDCS Corporation

Data Center Controls EngineerAmazon Data Services, Inc.

Senior Scientist, Systems Engineer (Melbourne, FL & Herndon, VA)L3Harris Technologies

Software Developer AssociateGeneral Dynamics Information Technology

Maritime Robotics Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

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

Reverse Engineer for RF SystemsJohns Hopkins Applied Physics Laboratory (APL)

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

Quality Assurance EngineerPlanIT Group

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