senior software engineer Jobs in district of columbia

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Principal Software Engineer - 25k Sign on Bonus

Leidos

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a 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 immediate vesting, Fle

Senior Java Developer / Fullstack Developer / Software Engineers

Unisoft Technology Inc

Annapolis, Maryland, USA

Contract, Third Party

Looking for a Senior Java Developer / Software Engineers. Job Responsibilites & Required Experience: Experience developing front-end applications using React and/or Angular. Experience implementing RabbitMQ or Kafka for message queuing and event streaming. Experience with Elastic Search for data indexing and search optimization. Strong knowledge of the use of design patterns. Knowledge Familiarity with Kubernetes for container orchestrat Knowlege Familiarity with RESTful APIs and web services. P

Senior Software Developer

QinetiQ US

Herndon, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

FLEX Senior System Engineer - SRE

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Position Summary: The Senior Systems Engineer - Site Reliability Engineering (SRE) is responsible for the reliability, scalability, and performance of mission-critical cloud and on-prem services that support millions of Marriot customers globally. This role involves overseeing incident management, driving automation efforts, and working closely with cross-functional teams to ensure alignment between SRE strategy and business objectives. Partners c

Software Engineer - Active Sonar C / C++

General Dynamics

Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. Agile experience preferred. Must have C / C++ experience and Linux. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for acce

Senior Systems Software Engineer, Containers and Kubernetes

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

NVIDIA is looking for a hardworking Sr. Systems Software Engineer to work on platform software based on open-source container runtimes and Kubernetes technologies. We expect you to have strong programming skills, a deep understanding of designing and building software, especially related to GO and C, experience with Systems Software and Distributed systems, as well as excellent communication and planning skills. We also welcome out-of-the-box problem solvers who can provide new ideas while stron

Senior Azure Engineer

M9 Solutions

Washington, District of Columbia, USA

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy

Software Engineer with Poly Mid to SR

Lockheed Martin Corporation

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

Sr. Solution Engineer - Defense

Esri

Vienna, Virginia, USA

Full-time

Overview We invite you to bring your experience and passion for supporting the Defense community. As a GIS subject matter expert, you're a natural at identifying the right analysis tools for the problem at hand. Not only do you create innovative solutions, you talk about solutions in ways that get others excited about the power of GIS technology. Join an account team and advise customers on their most complex business challenges. Leverage your problem-solving skills to demonstrate the value of G

Senior Bridge Engineer

HDR, Inc.

Fulton, Maryland, USA

Full-time

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' ' Each and every role throughout our organization makes a difference in our ability to change the world f

Sr. AI Engineer

eSolutionsFirst, LLC

McLean, Virginia, USA

Full-time

Description: We re building smart, scalable, AI-native products and we re looking for a Senior Python Developer who s excited to shape the next generation of intelligent systems. You ll work at the intersection of backend engineering, LLM agents, and automation, using tools like LangChain, OpenAI, and FastAPI to ship real-world features fast. Design & integrate LLM agents using frameworks like LangChain, AutoGen, or HaystackDeploy apps to AWS/Azure using Docker, Kubernetes, TerraformCollaborate

Senior JBoss Engineer

GovCIO

Washington, District of Columbia, USA

Full-time

Overview GovCIO is currently hiring for a Senior JBoss Engineer to support our client's contract needs. This position is located in the Washington, DC and will be a remote position with intermittent visits to customer location. Responsibilities JBOSS Install JBoss EAP on supported platforms (Linux, RHEL, Windows). Configure in standalone or domain mode, depending on architecture needs. Apply Red Hat-supported RPMs or ZIP installations and ensure compliance with licensing. Deploy and manage

Sr Java Software Engineer with Python - VP - RUTHERFORD, NJ

Citi

Remote or Rutherford, New Jersey, USA

Full-time

The Software Engineer role leads and participates in solving business problems by building robust, high-performance large-scale enterprise applications. You will leverage your deep technical knowledge to design and code scalable and easily maintainable solutions as well as mentor other more junior engineers as needed. You will promote a culture of technical excellence and continuous improvements within the team. Responsibilities Develop and engineer solutions within multiple agile software deli

Senior Development Engineer - Remote with Travel

Constellation Energy

Remote or Washington, District of Columbia, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our

Senior DevSecOps Engineer

SAIC

Arlington, Virginia, USA

Full-time

Job ID: 2506432 Location: ARLINGTON, VA, US Date Posted: 2025-06-06 Category: Software Subcategory: DevSecOps Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Interim Top Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description SAIC is seeking an experienced DevSecOps Engineer in Arlington, VA to support our United States Air Force customer in both development and engineering practice, and site rel

Senior Mechanical Engineer - Energy Solutions - CMTA

Legence Therma LLC

Fairfax, Virginia, USA

Full-time

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S. with nationally recognized expertise in sustainable, high performance building engineering. We are a collaborative, competitive, innovative, and energetic group of engineers and team leaders who incorporate a holistic approach towards consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose personalities lead them to excellence, and we provide exceptiona

Senior Systems Software Security Engineer - Factory and Security Provisioning

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

NVIDIA is seeking a highly motivated and experienced Senior Systems Software Security Engineer to join our Data Center Systems team. This role focuses on factory and security provisioning for devices used in NVIDIA data center systems. The ideal candidate will have a deep understanding of One-Time Programmable (OTP) memory, security controls, and end-to-end factory provisioning processes. What you'll be doing: Lead the factory provisioning process for NVIDIA data center systems, ensuring that d

Senior Test Engineer

Leidos

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Test 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 immediate vesting,

Mid Software Engineer

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0219793 Software Engineer, Mid The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop software and systems from vision to production ready. This role is more than just coding. As a

DevSecOps Engineer, Signals Intelligence (Experienced or Senior)

Boeing Company

Fairfax, Virginia, USA

Full-time

DevSecOps Engineer, Signals Intelligence (Experienced or Senior) Company: Argon ST The Boeing Company is currently seeking a DevSecOps Engineer to join the Argon ST group located in Fairfax, VA. This position will focus on supporting the Boeing Defense, Space & Security (BDS) business organization. The successful candidate will be experienced in building and architecting automated container builds utilizing Docker, Podman, or Kubernetes. Our teams are currently hiring for a broad range of exp