9,903 Results for

Software Engineer Jobs in Chantilly, VA

Jobs

New!

MONTGOMRY VLG, MD3 days ago

$165,000–$185,000 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. 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!

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.

New!

Gaithersburg, MD2 days ago

$140,000–$165,000 Per Year

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!

Manassas, VA9 days ago

$90,000–$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.

Manassas, VA9 days ago

$95,000–$115,000 Per Year

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

Please click here for the E-Verify Poster in English or Spanish.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs.

New!
Herndon, VA2 days ago
Please click here for the E-Verify Poster in English or Spanish.
In addition to technical contributions, this position conducts the day‑to‑day software lead activities by providing technical guidance, assigning tasks, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments.

New!
Reston, VA2 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.

New!
Reston, VA2 days ago
$100,600–$199,000 Per Year
ul>
Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. We own and operate Microsoft 365 services including Office 365, Exchange, Outlook, Teams, SharePoint, OneDrive, Purview, Information Protection, PSTN, Office Online, Office Services, and are actively bringing CoPilot to sovereign environments.

Herndon, VA11 days ago
Support Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux. • Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.

New!
Dunn Loring, VAToday
Remote
$50–$70 Per Hour
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Responsibilities
Ensure compatibility between equipment and software, analyze operational and system requirements, support design reviews, and present technical briefings.

New!
Washington, DC2 days ago
The team is responsible for developing autonomous behaviors within Shield AI’s industry-leading mission autonomy software stack and deploying them across a breadth of platforms, including the Anduril Fury, Northrup Grumman Talon, Shield AI V-Bat, and other first and third-party autonomous vehicles.
The Autonomy Capabilities team at Shield AI has assembled a diverse team of experts in software, robotics, control systems, optimization, and data analysis to create software solutions that greatly evolve the capabilities of our customers.

New!
Reston, VA2 days ago
$100,600–$199,000 Per Year
Collaboration skills will be required to work closely with other engineering teams to ensure services and systems are highly stable, meet performance Service level agreements (SLA), and meet the expectations of internal and external customers and users. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate.

New!
Reston, VA2 days ago
$119,800–$234,700 Per Year
p>Preferred Qualifications:
Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
Bachelors Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

New!
Washington DC, DC2 days ago
Remote
p>• You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes.
• You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.

New!
Washington DC, DC2 days ago
The engineer will be responsible for building and maintaining comprehensive products, ensuring seamless integration from the database layer to the user interface, with a primary focus on back-end development and some front-end responsibilities (80% back end, 20% front end).
• Design and execute software projects that are crucial to Abnormal’s success, in collaboration with a team of engineers, through conception, design, implementation, launch, and operation.

New!
Washington DC, DC2 days ago
As a Software Engineer focused on building systems for Detection’s Model Platform, you will be responsible for making feature development at Abnormal a fast, responsive, stable, and confident experience for our ML and Data Science team. The Detection Division is focused on building the world’s most advanced technology for identifying and stopping email and cloud-based attacks that were previously undetectable and help make the world a safer place.

New!
Merrifield, VAToday
li>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 DC, DC2 days ago
The position is well suited for an engineer who enjoys working with complex systems, troubleshooting production issues, and contributing to the continued evolution and sustainability of the platform.
This role focuses on supporting, enhancing, and progressively modernizing enterprise and legacy applications using C#, NET Framework, and SQL Server.

New!
Washington DC, DC2 days ago
p>• Collaborate with Technical Program Managers, Product Managers, and Go-To-Market teams in order to implement, verify, and iterate on the issues & requests coming from our customers. The team’s goal is to automate security analysts workflows by providing them with reliable, intuitive, and delightful agentic products that give them back time in their day.

New!
Washington DC, DC2 days ago
p>• Distributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions.
Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.

New!
Washington DC, DC2 days ago
p>• Design and implement core components of the SMTP relay harness, including Mail Transfer Agent (MTA) infrastructure, scalability, IP management, encryption, and DMARC support, working from conception through production operation.
• Contribute to technical design discussions on how the relay integrates with existing inline products (outbound DLP, behavioral outbound, misdirected email), helping define the architecture of the broader Mail Flow platform.

New!
Vienna, VA2 days ago
$97,240–$162,240 Per Year
Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Your work will help developer communities re-imagine the capabilities of location-aware software applications that enable real-world improvements.

Vienna, VA30+ days ago
Full-time
Employee
The ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.

New!
Vienna, VA2 days ago
$97,240–$162,240 Per Year
ul>
Design, implement, and maintain high-speed CI/CD pipelines using GitHub Actions/Azure DevOps for cloud-native workflows and Jenkins for complex, cross-platform on-premises build automation. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

New!
Reston, VAToday
Description: The assigned resource will be responsible for developing the AI program focused on automating requirements and test case preparation, utilizing Visual Studio Code, Python, Copilot AI, and other tools provided by the postal service. • Design and develop test automation scripts using Selenium with Python, leveraging available AI models and LLMs to accelerate script creation, maintenance, and self healing.

New!
Vienna, VA2 days ago
$97,240–$162,240 Per Year
Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. From building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents, youll be exposed to the full development lifecycle and cutting-edge GIS solutions.

Manassas, VA9 days 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!
Alexandria, VA6 days ago
$95,000–$110,000 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 intelligent transportation and mobility solutions, delivering innovative software, systems, and services that help organizations manage complex transportation infrastructure more efficiently, safely, and sustainably.

Manassas, VA9 days ago
$80,000–$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.

Herndon, VA9 days ago
$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. 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.

Alexandria, VA7 days ago
$100,000–$110,000 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. The ideal candidate has experience supporting Linux and Windows environments, containerized applications, and production systems while working directly with customers and internal engineering teams.

New!
Arlington, VA6 days ago
$100,000–$110,000 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. Their platforms help agencies improve traffic flow, road safety, and air quality, and they support large-scale, high-volume transportation networks worldwide.

New!
Washington, DC6 days ago
$90,000–$155,000 Per Year
Project Managers work independently on complex projects, network to expand the market outreach for Existing Building Decarbonization projects, and collaborate closely with clients, contractors, and internal teams. – Lead energy modeling and building performance simulations and perform life-cycle cost analyses to evaluate the ROI and overall economic feasibility of various decarbonization strategies, including high-efficiency HVAC systems and the integration of geothermal and other renewable energy sources.

Fairfax, VA9 days ago
$90,000–$140,000 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. Ideal candidates will have experience with engineering consulting firms, electrical power, lighting, fire alarm, and building systems for institutional and commercial buildings, as well as proficiency in Revit and AutoCAD.

West McLean, VA8 days ago
$120,000–$160,000 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 role will focus on building automation solutions within Windows 11 environments to improve operational efficiency, strengthen security posture, and enhance the overall end-user experience.

Chantilly, VA30+ days ago
Intern
p>With the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.

Manassas, VA9 days 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!
McLean, VAToday
$130,000–$145,000
p> Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:
the individual’s skill sets, experience and training;
licensure and certification requirements;
office location and other geographic considerations;
other business and organizational needs.
Canadian residents may access our policies in English here and in French here.

Sterling, VA9 days ago
Remote
$120,000–$165,000 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.

Washington DC, DC30+ days ago
li class="paragraph" style="background-color:white;vertical-align:baseline">
2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity.
Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.

New!
Washington, DC5 days 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!
Washington DC, DC2 days ago
Remote
$123,136–$202,488 Per Year
p>This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software.
Design, develop, and build software components, frameworks and SDKs for other engineering teams and external developers consuming our API.

New!
Washington DC, DC4 days ago
This role develops and executes test strategies, manages testing activities, and collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Developers, UX/UI Designers, and stakeholders to deliver secure, reliable, accessible, and high-performing applications.
The Software Test Lead is responsible for leading the Quality Assurance (QA) and testing efforts for enterprise web applications, ensuring software quality through comprehensive manual and automated testing.

New!
McLean, VA1 day 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. This role supports a variety of modern applications, including backend services, frontend applications, and data pipelines, with a strong emphasis on pipeline engineering, Infrastructure as Code (Terraform), and cloud-native deployments.

New!
Reston, VA2 days ago
$100,600–$199,000 Per Year
Develops an understanding of the code, features, and operations of specific products at scale as required to contribute to incremental improvements in product availability, reliability, efficiency, observability, and/or performance; participates in on-boarding, code/design reviews, and regular meetings with the engineering teams that develop and/or manage those products.-Researches and maintains an awareness in industry trends, advances in distributed systems and cloud technologies, new tools, and/or processes for maintaining and improving product availability, reliability, efficiency, observability, and/or performance. -Engages with product engineering teams by participating code/design reviews, regular meetings, on-call rotations and incident responses throughout product development and operations cycles; leverages technical expertise on underlying systems/platforms and insights drawn from engagements with product engineering teams and telemetry analyses to propose potential improvements in code base and designs across components and features of one or more products.

McLean, VA7 days ago
$130,000–$150,000
p> Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:
the individual’s skill sets, experience and training;
licensure and certification requirements;
office location and other geographic considerations;
other business and organizational needs.
Canadian residents may access our policies in English here and in French here.

Reston, VA27 days ago
Full-time
Employee
Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.

Reston, VA27 days ago
Full-time
Employee
These activities may be under guidance or instruction from management/support personnel or conducted directly by the individual and will include routine on-station operational tasks on the satellites and Ground Control System (GCS), special activities in response to non-nominal conditions, off-line support functions, together with first level trouble shooting and anomaly resolution of the satellites and GCS. Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions.

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Software Engineer Jobs in Chantilly, VA

Senior Software Engineer (C++ / Java) Jobot

Senior Software Engineer Jobot

Sr. Software Engineer Jobot

Software Engineer Jobot

Junior Software Systems Integration Engineer - RHEL - Secret Clearance Required Jobot

Software/Systems Integration Engineer (Secret Clearance Required) Jobot

Specialist, Software Engineer (Embedded Software) L3Harris Technologies

Lead, Software Engineer L3Harris Technologies

Software Engineer II - CTJ - Poly Microsoft

Software Engineer II - CTJ - POLY Microsoft

Senior Telecom Software Engineer (TS/SCI clearance) System One

Java Software Engineer III - 3 slots System One

Senior Software Engineer, Autonomy Behaviors Shield AI

Software Engineer II - CTJ - Top Secret Microsoft

Senior Software Engineer - CTJ - Poly Microsoft

Senior Software Engineer - Route Execution Samsara

Software Engineer II, Messaging Security Products Abnormal

Software Engineer II - Model Platform Abnormal

Software Development Engineer (SDET) System One

Software Engineer (C# .NET Framework/SQL Server) Sarnova

Senior Software Engineer, Adaptive Classification Team Abnormal

Staff Software Engineer, Security & Privacy Abnormal

Software Engineer II - Inline Mailflow Abnormal

Software Development Engineer II - Front End Esri

Jr. Software Developer Company Confidential

Software Development Engineer II - CI/CD & Platform Automation Engineer (DevOps) Esri

Senior Software (AI) Test Engineer PlanIT Group

Software Development Engineer II - Back End Esri

Junior Linux Systems Engineer (RHEL/Clearance) Jobot

System Engineer Jobot

Entry Level Software Integrator | Clearance | Linux/Windows Jobot

System Integration & Test Engineer Jobot

Systems Engineer (Intelligent Transportation System Industry Exp Required) Jobot

Systems Engineer Jobot

Sr Energy Engineer - DC Jobot

Electrical Engineer EIT/PE Jobot

Senior PowerShell Engineer (Secret Clearance) Jobot

Software Developer (Full Stack/Backend) Intern TeleWorld Solutions

Test Engineer (AN/BYG-1) Jobot

Gen AI Engineer Vaco LLC

Sr Commissioning Engineer (Data Centers) – Remote Jobot

Software Developer NuAxis Innovations

Senior Mechanical Engineer Jobot

Sr. Software Developer - C#/WPF for UI/UX Development Esri

Software Test Lead NuAxis Innovations

DevSecOps Engineer Credence

Software Engineering II - CTJ - Poly Microsoft

Senior Python Full Stack Engineer Vaco LLC

NOC Support Engineer Inmarsat Government, Inc

SPOC Engineer Inmarsat Government, Inc

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