Lead, Software Engineer Jobs in District of Columbia

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161 - 180 of 2,891 Jobs

Lead Infrastructure Systems Engineer

Akima, LLC

•

Alexandria, Virginia, USA

Full-time

Suvi Global Services is seeking a seasoned Lead Infrastructure Systems Engineer to provide technical leadership and strategic direction for enterprise infrastructure systems across classified and unclassified environments. This role is pivotal in architecting, deploying, and managing complex IT systems that support a global workforce and critical mission operations. The ideal candidate will possess deep expertise in cloud and on-premises infrastructure, lifecycle systems management, and secure s
Posted 35 days ago | Updated 11 hours ago

Lead I&C Software Support Engineer

GE Vernova

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Remote or Wilmington, North Carolina, USA

Full-time

Job Description Summary The Lead I&C (Instrumentation & Controls) Software Support Engineer works within the I&C Engineering team of the GE Hitachi (GEH) Engineering organization. The I&C team is responsible for designing and implementing electronic hardware and software for I&C systems for Nuclear Power Plants. The I&C Software team has strong interfaces with electronic hardware design and plant system operations. This role requires technical problem solving, strong software testing and develop
Posted 60+ days ago | Updated 11 hours ago

Senior Software Engineer

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: VA542: 22260 Pacific Blvd, Dulles 22260 Pacific Boulevard Building CC4, Sterling, VA, 20166-6916 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo
Posted 35 days ago | Updated 11 hours ago

Senior Software Engineer Microservices

Oraapps Inc

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Reston, Virginia, USA

Contract

Hybrid Location - Reston, VA. Mode of Interview -Onsite interview Contract Duration - 6+ Months Note - The Consultants need's to be backend, heavy microservices and AWS. Job Description: Senior Software Engineer Microservices will be responsible for designing, developing, and maintaining scalable, high-performance microservices that support the organization s core platforms and applications. This role requires close collaboration with crossfunctional teams to deliver robust, secure, and efficien
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Posted 4 days ago | Updated 11 hours ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A fast-growing startup based in Ballston, VA, specializing in retail energy sales and digital petition tracking is looking for a mid-to-senior Full-Stack Developer with strong skills in .NET and React for a full-time position. You'll be working primarily onsite four days per week in their Ballston office, with flexible hours and a casual, tech-startup atmosphere. This company has built an ecosystem of digital tools used by energy reps in the field and they've recently expanded into the political
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Posted 46 days ago | Updated 7 hours ago

Senior Software Engineer / Python / TypeScript

Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

A privately funded AI startup that is leveraging LLMs to streamline work flows and proposal approvals for US Government Agencies is hiring for a Senior Software Engineer to join their team. The startup has reached several million in annual recurring revenue within the last 2 years is hiring for several full stack engineers to the team. This position is full life cycle development where you will be owning your code from design, implementation and deployment. In this role you you will be building
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Posted 59 days ago | Updated 6 hours ago

Senior Advanced Software Engineer

General Dynamics

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Maryland, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred. CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Top Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibili
Posted 4 days ago | Updated 11 hours ago

Homes.com - Senior Software Engineer (C#/.NET)

Costar Group

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Arlington, Virginia, USA

Full-time

Homes.com - Senior Software Engineer (C#/.NET) Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. Homes.com is already one of the fastest growing real estat
Posted 43 days ago | Updated 10 hours ago

Elasticsearch Lead Engineer

Leidos

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Chantilly, Virginia, USA

Full-time

Description The GEOAxIS system provides Identity, Credential and Access Management for all web applications. GEOAxIS enables online, on-demand, access to NGA GEOINT content based on user's authoritative attributes/roles. Our Mission is to maintain highly available ICAM services for protecting those critical mission applications across all security domains. The GxNext contract was awarded to Leidos in 2021 and runs until 2031. Responsibilities:Design, develop, and deploy a log analytics and infr
Posted 2 days ago | Updated 1 day ago

Senior Software Engineer (Full Stack AI)

Electronic Consulting Services, Inc (ECS Federal)

•

Arlington, Virginia, USA

Full-time

Job Description ECS is seeking a Senior Software Engineer (Full Stack AI) to work remotely . Please Note: This position is contingent upon additional funding. ECS is seeking a Senior Software Engineer - Full Stack AI Developer to join our team of technical experts supporting the U.S. Department of Homeland Security (DHS) Headquarters, Chief Technology Officer Directorate (CTOD), Artificial Intelligence and Emerging Technology (AI/ET) initiative. This team works with a federal workforce staf
Posted 8 days ago | Updated 7 hours ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

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Alexandria, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% c
Posted 11 days ago | Updated 4 days ago

Software Engineer Subject Matter Expert

Redhorse Corporation

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Arlington, Virginia, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is transforming how the government
Posted 32 days ago | Updated 7 hours ago

Lead Observability Engineer

Booz Allen Hamilton

•

McLean, Virginia, USA

Full-time

Job Number: R0223749 Observability Engineer, Lead The Opportunity: Are you obsessed with what's under the hood? Do you dream in t race s, logs, and metrics? Ready to build a high-performing observability engine that powers reliability, speed, and insight at scale? We are looking for a Lead Observability Engineer to help advance and integrate observability capabilities across our enterprise platforms. This role is both strategic and hands-on -ideal for someone passionate about improving visibili
Posted 11 hours ago

Lead Security Engineer

TEKsystems c/o Allegis Group

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Washington, District of Columbia, USA

Full-time

Must Be able to obtain a Public Trust Description The Lead Security Engineer will assist the Cybersecurity Team's mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and underlying infrastructure. These information systems and their supporting infrastructure support the DOT mission of managing and main
Posted 2 days ago | Updated 7 hours ago

Lead Machine Learning Engineer, Voice Group

Comcast Corp

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Washington, District of Columbia, USA

Full-time

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou
Posted 21 days ago | Updated 11 hours ago

FLEX Senior Software Engineer - SEO

Marriott International

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Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. JOB SUMMARY As a member of the Enterprise Search Engine Optimization Development team, you will be a part of a team responsible for implementing and maintaining technical SEO enhancements across the diverse portfolio of Marriott's websites and systems. This individual will serve as a senior technical resource responsible for managing the full software development lifecycle, from requirements analysis to deployment, ensuring high-quality, scalable,
Posted 54 days ago | Updated 11 hours ago

Principal Software Engineer - Kubernetes & Cloud-Native Platforms

Leidos

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Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and
Posted 7 days ago | Updated 4 days ago

C++ Senior Software Engineer, Intelligence Systems

Aduril Industries

•

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 4 days ago | Updated 11 hours ago

Software Engineer (SWE2) with Poly Mid to SR

Lockheed Martin Corporation

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Annapolis, Maryland, USA

Full-time

Job Description THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company th
Posted 3 days ago | Updated 10 hours ago

Senior Kubernetes Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Job Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match
Posted 1 day ago | Updated 11 hours ago