c# Jobs in district of columbia

Refine Results
81 - 100 of 568 Jobs

QA Automation Engineer

NTT DATA Americas, Inc

•

Remote or Carlsbad, California, USA

Contract

Key Skills: Playwright and C#, leveraging BDD frameworks like SpecFlow and Cucumber to align with requirements.NTT DATA's Client is seeking a QA Automation Engineer with 5+ years of experience* Proficient in designing, executing, and maintaining test cases and test plans. * Design, develop, and maintain automated test scripts using Playwright and C#, leveraging BDD frameworks like SpecFlow and Cucumber to align with requirements. * Support API testing, with hands-on experience using Swagger/Open
Easy Apply
Posted 10 days ago | Updated moments ago

Software Engineer - Submarine and Autonomous Systems

Johns Hopkins Applied Physics Laboratory (APL)

•

Laurel, Maryland, USA

Full-time

Description Are you excited by the challenge of developing ground breaking software for the Navy's next-generation maritime platforms? Do you thrive in fast-paced environment where innovation meets real-world impact? If so, we want you on our team! At APL, we are looking for a hard-working and driven Software Engineer to join our Ocean Systems and Engineering Group. In this role, you'll be at the forefront of designing, developing, and prototyping software solutions that power the Navy's uncrew
Posted 33 days ago | Updated 5 hours ago

Software Engineer, TS/SCI with Full Scope Polygraph Security Clearance Required - G

Next Step Systems

•

Severna Park, Maryland, USA

Full-time

Software Engineer, TS/SCI with Full Scope Polygraph Security Clearance Required, Severna Park, MD The Software Engineer will join a team providing Life Cycle Sustainment (LCS) and modernization activities for commercial and custom-developed education, learning, and training applications supporting the Government enterprise. The candidate must be a strong senior developer that is comfortable digging into the products and developing a subject matter expertise, tackling challenges sometimes withou
Easy Apply
Posted 6 days ago | Updated 2 days ago

Software Developer Cyber - SWE 3

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and
Posted 27 days ago | Updated 8 hours ago

Systems Engineer III

Sierra Nevada Corporation

•

Remote or Herndon, Virginia, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! At Sierra Nevada Corporation (SNC) our Systems Engineers deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, c
Posted 58 days ago | Updated 8 hours ago

SharePoint Developer/Architect

LMI Government Consulting (Logistics Management In

•

Washington, District of Columbia, USA

Full-time

Overview LMI is seeking a Share Point Developer/Architect to support a CBP SharePoint Development effort. LMI is a consultancy dedicated to powering a future-ready, high-performing government, drawing from expertise in digital and analytic solutions, logistics, and management advisory services. We deliver integrated capabilities that incorporate emerging technologies and are tailored to customers' unique mission needs, backed by objective research and data analysis. Founded in 1961 to help the
Posted 1 day ago | Updated 5 hours ago

Software Engineer (Sr.) (Cleared)

Kentro

•

Springfield, Virginia, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More
Posted 9 days ago | Updated 5 hours ago

Principal Associate, Penetration Tester

Capital One

•

McLean, Virginia, USA

Full-time

Principal Associate, Penetration Tester Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position works closely with team members to plan, coordinate, execute and report on sophisticated ethical hacking exercises, to identify cyber vulnerabilities and reduce the risk posture of enterprise systems. This role will be primarily responsible fo
Posted 4 days ago | Updated 8 hours ago

Software Engineer Staff

Lockheed Martin Corporation

•

Herndon, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 19 days ago | Updated 8 hours ago

CNO Software Engineer TS/SCI FSP

Mission Box Solutions

•

Laurel, Maryland, USA

Full-time

Our client is seeking a Software Engineer to provide technical expertise in support of a U.S. Government customer. This full-time position offers the opportunity to assist in sustaining mission-critical software and systems for a large government contract. Responsibilities: Support the innovation team within the CNO's Foundational Services product group, working alongside experienced analysts, operators, and developers.Add new functionality to a large-scale microservice ecosystem.Automate manua
Posted 2 days ago | Updated 5 hours ago

Software Engineer (TS/SCI w/ Poly required)

Parsons Services Company

•

Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: We are seeking a Software Engineer 0 to join the software development team. The idea
Posted 60+ days ago | Updated 8 hours ago

Software Cyber Engineer - SWE 2

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who We Are: Are you driven by the thrill of outsmarting even the most advanced security systems and
Posted 30 days ago | Updated 8 hours ago

SharePoint Engineer

ManTech

•

Springfield, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented SharePoint Engineer in Springfield, VA. Responsibilities include, but are not limited to: The responsibilities will include designing, developing, and deploying solutions to improve organizational knowledge sharing and awareness. Work with a small team committed to supporting our DoD customer. Responsible for engineering new and maintaining current IT tool-sets relevant to the environment.Support content design of Microsoft SharePoint 201
Posted 33 days ago | Updated 22 hours ago

Software Engineer-Data Engineering

American Association Of Motor Vehicle Admin.

•

Arlington, Virginia, USA

Full-time

Position Summary: The IT Division is responsible for the development and operations of information systems for the State and Federal agencies doing business related to or using information from the administration of motor vehicles and driver licenses. The Data Engineer position has core responsibilities for the design, development, maintenance, optimization, and operational support of components which move and ingest data from sources into the analytics systems. Essential Duties and Responsibili
Posted 25 days ago | Updated 5 hours ago

Software Engineer - Legal IT Systems

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY The Software/Systems Engineer will be part of a team to modernize and automate systems for the Law Department. The role will analyze requests, design and implement interfaces and integrations, and maintain databases (on-premise and cloud) to ensure compliance and standards, contribute to data collection and distribution systems for global clients, and provide technical assistance to the Legal Technology Operations team. Further the role will drive innovation by coll
Posted 29 days ago | Updated 8 hours ago

Senior Manager, Offensive Security (Penetration Tester)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Manager, Offensive Security (Penetration Tester) Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position works closely with team members to plan, coordinate, execute and report on sophisticated ethical hacking exercises, to identify cyber vulnerabilities and reduce the risk posture of enterprise systems. This role will be responsi
Posted 6 days ago | Updated 18 hours ago

Software Cyber Engineer - SWE 1

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and
Posted 37 days ago | Updated 8 hours ago

Software Engineer / Systems Administration

Lockheed Martin Corporation

•

Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 41 days ago | Updated 8 hours ago

Software Engineer I

Highspring

•

Remote

Full-time

Client is looking for a Software Engineer with experience within C#, C++ and SQL primarily. Remote and Direct Placement. Essentials: Build software in a SCRUM environment using C#, JavaScript, SQL, and JavaScript frameworks like Angular Embrace best practices in software development (Code Reviews, Unit Tests, CI/CD) and leverage them every day Perform mutual code reviews within your team to ensure high quality code Cooperate closely with the team, scrum masters, and product owners Adhoc duties a
Easy Apply
Posted 18 days ago | Updated 1 hour ago

Prophet 21 Consultant

Cox-Little & Company

•

Remote

Part-time

Position: Prophet 21 Consultant Location: Remote Start date: Immediate Type: Part Time Contract Our client is running Prophet 21 (P21) and they need a developer to assist with the task detailed below;The client needs business rules in P21 ported to C# and redeployed. This contract will be on an as needed basis, so this is a part time contract. The client will be moving from on prem to web based P21.
Easy Apply
Posted 4 days ago