2,502 Results for

Software Design Engineer Jobs in Fairfax, VA

Jobs

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!

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!

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

$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

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!

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.

Washington DC, DC22 days ago

Remote

We provide engineering teams the platform capabilities, observability tooling, automated safeguards, incident management tooling, and safe feature release systems they need to deliver highly available systems, ship features with confidence, and investigate and mitigate incidents faster. OPX is focused on raising the bar for system stability, resilience, and reliability across Samsara -- building automated safeguards that protect production, ensuring engineers get the right signals at the right time, and giving teams the visibility they need to stay in control of their services.

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

Remote

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!

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!

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.

Washington DC, DC22 days ago

Remote

As a Staff Engineer, you will operate as a technical leader and force multiplier: driving architecture, influencing engineering direction across teams, and building highly reliable, secure platforms that scale with Samsara’s global footprint supporting millions of connected devices. • 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.

Washington DC, DC9 days ago

By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. For example, Debugging Azure Networking for Elastic Cloud Serverless is part of our efforts, and we want your experience to contribute to a truly exceptional customer experience.

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!

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.

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.

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!

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.

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.

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.

New!

Reston, VA4 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.

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!

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.

New!

Arlington, VAToday

$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!

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!

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.

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!

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!

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!

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

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!

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!

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!

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!

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!

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.

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!

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.

New!

McLean, VA4 days ago

$130,000–$150,000

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. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

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.

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. ------------------------------------------------------------------.

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.

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.

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.

Ashburn, VA8 days ago

$70,000–$90,000 Per Year

PlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. This role sits primarily at Level 2 (L2) support and works closely with Level 1 and Level 3 teams to ensure reliable, secure, and efficient IT services for end users and data center operations.

New!

Chantilly, VA4 days ago

$40–$50 Per Hour
Full-time
Employee

Project Management: Plan and manage electrical engineering projects, including creating project timelines, allocating resources, and coordinating with cross-functional teams. Collaboration: Collaborate with other engineers, technicians, and professionals to integrate electrical systems into larger projects or products.

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Software Design Engineer Jobs in Fairfax, VA

Jobs

Specialist, Software Engineer (Embedded Software)L3Harris Technologies

Software EngineerJobot

Senior Software EngineerJobot

Lead Software EngineerL3Harris Technologies

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

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

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

Senior Software Engineer II, Developer Experience, Operational ExcellenceSamsara

Software Engineer II - CTJ - PolyMicrosoft

Senior Software Engineer - Route ExecutionSamsara

Lead, Software EngineerL3Harris Technologies

Scientist, Software EngineerL3Harris Technologies

Staff Software Engineer - Security & PrivacySamsara

Principal Software Engineer (Networking) - PlatformElastic

Senior Mobile Software Engineer - BLE / ConnectivitySamsara

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

Software EngineerSystem One

Principal Software EngineerKastle Systems

Engineer, Software SrIconma

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

Senior Software Engineer, GrowthSamsara

Software Engineer II - CTJ - Top SecretMicrosoft

Software Development Engineer (SDET)System One

Electrical Engineer: HybridJobot

System Integration & Test EngineerJobot

Senior Mechanical EngineerJobot

Intern/Software EngineeringCalibre Systems

Software Engineering - Various LevelsL3Harris Technologies

Specialist, Systems EngineerL3Harris Technologies

Commissioning Engineer, Amazon CommissioningAmazon Data Services, Inc.

Commissioning Engineer, Commissioning EngineeringAmazon Data Services, Inc.

Senior Data EngineerJobot

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

Electrical Commissioning Project EngineerJobot

Non-Destructive Testing EngineerAmazon Data Services, Inc.

Senior Specialist, Systems Engineer - User Acceptance TesterL3Harris Technologies

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

Materials EngineerDCS Corporation

Specialist, Integration & Test EngineerL3Harris Technologies

Data Center Controls EngineerAmazon Data Services, Inc.

Senior Google AI EngineerCredence

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

Senior Python Full Stack EngineerVaco LLC

Maritime Robotics Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Mechanical Engineer - RoboticsSparks Group

Commissioning EngineerAmazon Data Services, Inc.

Sr Healthcare Software Tester / QA AnalystSystem One

Signal Processing EngineerJohns Hopkins Applied Physics Laboratory (APL)

Engineer IT-SupportDigital Realty Trust

Electrical Engineer II (VA)GCR Professional Services

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