1,552 Results for

Lead Software Engineer Jobs in McLean, VA

Jobs

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, 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!

99999, Maryland5 days ago

Strong proficiency in z/OS (MVS) operations in a large-scale environment with multiple Sysplex systems (including IPL procedures). • Current working knowledge of subsystems: JES2, SDSF, RACF, TSO, TCP/IP, Control-M, CICS, DB2.

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!

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!

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!

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).

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!

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, 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.

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.

Columbia, MD11 days ago

$175,000–$185,000

This role focuses on deriving software design and performance requirements from complex user needs and implementing scalable, high-performance solutions. This role is ideal for a senior technical leader capable of overseeing multi-team development efforts.

New!

Columbia, MD4 days ago

$175,000–$185,000

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, 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.

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.

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!

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!

Manassas, VA1 day ago

$80,000–$100,000 Per Year

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!

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!

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.

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

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!

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.

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

$127,500–$236,500 Per Year

Build and maintain analytic toolsets representing each phase of the find, fix, target, track, engage, and assess (F2T2EA) chain using sensor, effects, and communications technologies, including decision support aids i.e. data visualization, Unity-game engines to support operations assessment, as well as lessons learned development/refinement experience. The selected Manager, Systems Engineering will work in a fast-paced environment with a diverse collaborative geographically dispersed team to develop various analytic toolsets focused on constructive simulation and experimentation across multi-domains, for a variety of customers, both internal and external contracts.

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.

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.

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

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

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

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

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.

Laurel, MD11 days ago

$100,000–$245,000

Can demonstrate proficiency in using modeling tools and software, such as Cameo Systems Modeler, Sparx Enterprise Architect, Capella, Visual Paradigm, or IBM Engineering Systems Rational Rhapsody. 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.

Washington DC, DC7 days ago

Be a guardian of data quality: You’ll ensure our datasets stay accurate and performant by using our observability tools to monitor quality and joining a weekly triage rotation to resolve data issues as they arise. Recent platform improvements the team has driven include launching a data catalog, introducing data observability, and implementing a medallion architecture to ensure our data is reliable, accurate, and accessible.

Washington DC, DC11 days ago

Remote

This leader will balance long-term architectural rigor with near-term product delivery, ensuring Samsara’s mobile apps are scalable & performant while providing intuitive & delightful experiences for customers operating in the physical world. 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!

Vienna, VA5 days ago

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Provide technical leadership and guidance on software lifecycle management.

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.

Tysons, VA11 days ago

Credence has an immediate need for a Data Catalog Implementation Specialist will lead the design, implementation, and integration of an enterprise-grade Data Catalog solution as a core component of a data governance strategy. Proven experience implementing enterprise data catalog solutions (e.g., MetaVault, Collibra, Alation, Informatica EDC, Cloudera Data Catalog, or similar).

Washington DC, DC22 days ago

Remote

$157,675–$265,000 Per Year

We’re seeking a talented Senior Security Engineer with hands-on experience deploying, managing, leading and performing Threat Models In this role, you’ll work alongside technical product managers and engineers across the company to maintain Samsara’s security and de-risk software security concerns to better protect our customers. 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.

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.

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.

Washington DC, DC11 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.

Chantilly, VA15 days ago

Full-time
Employee

You will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.

Laurel, MD11 days ago

$100,000–$245,000

We believe in building strong, productive teams, continually growing our capabilities, cultivating collaborative relationships and encouraging a work environment that embraces integrity, trust, confidence, teamwork, accountability, and a little bit of fun! We are seeking a dynamic, creative, and ambitious leader to help us deliver highly impactful analysis on advanced weapon systems while continuously improving our ability to provide outstanding, unbiased analysis products.

New!

Alexandria, VA5 days ago

$180,000–$210,000 Per Hour

Provide executive-level government agency support related to designing, deploying, and ensuring efficient and optimal operation of business-critical enterprise and network environments. Translate stakeholder and Government requirements into network solutions, modifications, and support upgrades (network reconfiguration, hardware and software acquisitions, installation, and testing).

New!

Gaithersburg, MD2 days ago

$131,300–$237,350

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 1, 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.

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Lead Software Engineer Jobs in McLean, VA

Jobs

Lead Software EngineerL3Harris Technologies

Lead, Software EngineerL3Harris Technologies

Software Engineer LeadSystem One

Software/Systems Integration Engineer (RHEL/Clearance)Jobot

Software/Systems Integration Engineer (Secret Clearance Required)Jobot

Software EngineerJobot

Specialist, Software Engineering (Service Reliability Engineer)L3Harris Technologies

Senior Software Engineer II, Developer Experience, Operational ExcellenceSamsara

Scientist, Software EngineerL3Harris Technologies

Staff Software Engineer - Security & PrivacySamsara

Senior Mobile Software Engineer - BLE / ConnectivitySamsara

Principal Software Engineer (Networking) - PlatformElastic

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

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

Senior Software Engineer, GrowthSamsara

Software EngineerLeidos

Senior Software Engineer – Developer Experience & Code QualityLeidos

Lead DevSecOps Software DeveloperLeidos

Lead AI Software DeveloperLeidos

Junior Linux Systems Engineer (RHEL/Clearance)Jobot

Senior Mechanical EngineerJobot

Test Engineer (AN/BYG-1)Jobot

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

Commissioning Engineer, Commissioning EngineeringAmazon Data Services, Inc.

Commissioning Engineer, Amazon CommissioningAmazon Data Services, Inc.

Specialist, Integration & Test EngineerL3Harris Technologies

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

Senior Google AI EngineerCredence

Lead, Systems Engineering - Modeling & SimulationL3Harris Technologies

Data Center Controls EngineerAmazon Data Services, Inc.

Radar Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Sr Healthcare Software Tester / QA AnalystSystem One

Maritime Robotics Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

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

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

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

Digital Communications Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Senior Data EngineerMozilla

Manager, Software Engineering - Mobile PlatformSamsara

Application Packaging EngineerSystem One

Signal Processing EngineerJohns Hopkins Applied Physics Laboratory (APL)

Data Catalog EngineerCredence

Senior Security Engineer - Threat ModelingSamsara

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

Director, Full Stack Engineer - Digital & InsightsFti Consulting

Staff Machine Learning EngineerSamsara

Manufacturing Engineer II (VA)GCR Professional Services

Modeling, Simulation, and Analysis Technical LeadJohns Hopkins Applied Physics Laboratory (APL)

Senior Network Engineer CCNPSystem One

Principal Software DeveloperLeidos

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