C jobs in District of Columbia

Greenbelt, Maryland

•

3d ago

Title - Support Scientist Client - NASA Location - Greenbelt, MD (Onsite) Job Type - Full Time Job Description: We are seeking a Support Scientist to provide scientific and technical leadership under the ATMOS contract at NASA GSFC. The role includes planning and coordinating research efforts, developing models and instruments, and presenting results in scientific forums. ATMOS is a NASA support services contract that provides advanced scientific, engineering, and technical expertise to enable

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Full-time

Depends on Experience

C/ UNIX Developer

Remote

•

8d ago

Location: Remote Job Description: Required Skills & Experience: Bachelor s degree in computer science, engineering, management information systems or equivalent work experience5 years of experience making changes to moderately complex batch business applications using C5 years of experience in SQL, preferably embedded in C and using an Oracle Database5 years of experience using LinuxExperience with shell scriptingExperience using CURL and RESTful interfacingExperience with JSONWorking knowledge

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Contract

Up to $50

Software Engineer C & COBOL

Remote or Hybrid

•

Today

Hope you are doing great. Please let me know if you are interested in this role. Position: Software Engineer C & COBOL Location: Fully Remote Duration: 6-Month Contract-W2 to Hire Must-Have Skills C Cobol HP Non-stop(Tandem) Overview: We are seeking experienced software engineers with strong expertise in C and COBOL to support and enhance our credit card issuing and authorization platform. This legacy system plays a critical role in transaction processing and requires hands-on maintenance

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Contract

Principal Software Engineer C/Linux/Oracle Expert

Remote

•

Today

We are seeking a highly experienced Software Architect with deep expertise in legacy modernization and cloud transformation. The ideal candidate has 15+ years of experience leading large-scale architecture initiatives, with strong technical acumen across C programming, Linux internals, Oracle databases, and AWS services. You ll play a key role in designing, modernizing, and integrating complex enterprise systems enabling scalability, reliability, and performance across critical platforms. Key Re

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Third Party, Contract

Depends on Experience

Software Engineer (C, Tandem/NonStop) (Only visa independent candidate/W2)

Remote

•

Today

Job Title:- Software Engineer (C, Tandem/NonStop)Duration:- Contract to hireLocation:- RemoteDescription:We are looking for a Software Engineer to join our client's Core Acquiring Front End engineering group within the firm's Global Business Solutions (Payment Acceptance) business. You will be joining an organization responsible for mission critical platforms that support our payments acquiring business. We process over 350 million payment transactions per day with a peak throughput of over 8,0

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Contract

Depends on Experience

Sr Developer - Java/C

Remote

•

4d ago

Job Description: As a Lead Java or C Developer, you will play a crucial role in molding the future of digital engineering.Around 10+ years of experience in Java or C hands-on development.Manage the creation and deployment of Java-driven applications with JAVA 21/SB/CInvent, develop, and uphold scalable and reliable microservices with Spring Cloud and Resilience 4J.Deploy Micrometer and Splunk for monitoring and logging to guarantee the application performance and reliability.Experience with Tele

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Full-time

$90,000 - $120,000

Programmer Analyst

Hybrid in Greenbelt, Maryland

•

3d ago

Title - Programmer Analyst Client - NASA Location - Greenbelt, MD Job Type - Full Time Job Description: We are seeking a Programmer Analyst to provide technical expertise for scientific software development under the ATMOS contract at NASA GSFC. This mid-level role focuses on developing, testing, and documenting scientific algorithms and models that process data from orbital and sub-orbital instruments. ATMOS is a NASA support services contract that provides advanced scientific, engineering, a

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Full-time

Depends on Experience

Principal Vulnerability Researcher

Arlington, Virginia

•

Today

We are seeking skilled Vulnerability Researchers to support the analysis of malicious software and development of mission-critical cyber capabilities. This role involves designing, building, and deploying tools across areas such as command-and-control, persistence, and networking. Required Skills: Requires an active Secret clearance or higher. Hands-on experience reverse engineering compiled programs (C/C++)Proficiency in common assembly languages (x86, x86-64, ARM)Strong scripting background (P

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Full-time

200k - 300k

Senior Software Engineer Multi-Cloud Expert

Hybrid in Arlington, Virginia

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9d ago

Senior Software Engineer Multi-Cloud Expert (Remote | Top Secret Clearance) Location: Hybrid - Arlington, VA Clearance: Active Tops Secret (SCI Eligible) Why This Role is Exciting: Are you a seasoned software engineer ready to lead the architecture of next-generation cloud systems? Join a team where your expertise in multi-cloud engineering, automation, and DevSecOps will directly shape the security and efficiency of enterprise-grade solutions. This is a Subject Matter Expert (SME) role you ll h

Full-time

$160,000 - $220,000

F-35 Systems Engineer

Arlington, Virginia

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Today

Job Number: R0228088 F-35 Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in national security? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications, makes you an integral part of delivering a customer focused engineering solution. As a leader in systems engineering, we're looking

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Software Engineer

Falls Church, Virginia

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Today

Senior Software Engineer (on-site) This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $200,000 per year A bit about us: Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products. Their team is collaborative, highly technical, and customer focused. They prioritize the long-term in our structure

Full-time

USD 150,000.00 - 200,000.00 per year

Software Developer

Reston, Virginia

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Today

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Software Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our DoD

Full-time

2026 Graduate - Physicist/Nuclear Engineer - Applied Chemistry and Physics

Laurel, Maryland

•

Today

Description Are you passionate about physics? Do you want to tackle tough problems, make real-world impact, and drive the future? If you are graduating with a degree in physics or nuclear engineering, and want to work on high-impact problems, we would love to have you join our team! We are seeking talented individuals to join a dedicated, multidisciplinary team of physicists, nuclear engineers, materials scientists, and chemists. At APL, you will work directly with experienced scientists and

Full-time

USD 85,000.00 per year

CHRONOS OPERATIONS USCIS ZERO Trust Program Talent Pool

Washington, District of Columbia

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Today

CHRONOS OPERATIONS USCIS ZERO Trust Program Talent Pool Washington, DC Information Technology Join our Talent Network Welcome to the CHRONOS OPERATIONS USCIS ZERO Trust Program Talent Network Page C-CHR-TP8 Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you seeking a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you

Full-time

Software developer

Washington, District of Columbia

•

16d ago

iQuasar, LLC is seeking to fill Software developer position in Washington, DC. At iQuasar, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software development, and other key areas. We offer competitive compensation and benefits including Health, Vision, and Dental Insurance, matching 401k plan, and other benefits given below, excellent training, and a vibrant working environment. Our

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Full-time

Depends on Experience

Senior Software Engineer

McLean, Virginia

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Today

Design and implement the next big thing enabling engineers to automate reliability on large scale, distributed software systems . This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $215,000 per year A bit about us: This early stage software product startup has formed through the founders' decades of experience in technology leadership at the largest and most recognizable big tech companie

Full-time

USD 140,000.00 - 215,000.00 per year

Reverse Engineer and Offensive Cyber Developer

Laurel, Maryland

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Today

Description Are you passionate about reverse engineering low-level software and/or hardware and developing sophisticated cyber tools? Do you love building cyber capabilities that move from concept to operational deployment? If so, we want you to join our group of offensive cyber experts! We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques. We work in a dynamic, mission-driven environm

Full-time

USD 100,000.00 per year

2026 Internship - Cyber Engineer - Capabilities Development

Laurel, Maryland

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Today

Description Are you passionate about learning how things work and making them better? Do you want the chance to push the boundaries of cyber defense? Are you excited about working with others to solve some of the nation's toughest cyber challenges? If you're pursuing a degree in computer science, engineering, mathematics or a cybersecurity-related field, we'd love to have you join our team! We are seeking an intern to help us pursue new and innovative ways to enhance our nation's cyber capa

Part-time

USD 22.60 per hour

Systems Engineering SME

Vienna, Virginia

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Today

POSITION TITLE Systems Engineer/SME JOB DESCRIPTION As a Systems Engineer, you will work as an integral member of a government/contractor team supporting ongoing and future programs. In this unique role you will apply your technical skills toward state-of-the-art highly advanced analysis solutions in support of critical customer focus areas. EXPERIENCE Required: To be considered, candidates must currently possess a TS/SCI security clearance. Candidates who do not possess this level of clear

Full-time

USD 148,850.00 - 269,075.00 per year

2026 Internship - Cybersecurity Software Developer

Laurel, Maryland

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Today

Description Cyberattacks are growing in number and severity, impacting industries and services crucial to maintaining our day-to-day life and national security. Energy, health, commerce, and defense are constantly under attack, and successful breaches have far-reaching consequences. Our group works to defend our nation from cyberattacks by channeling our interests to develop state-of-the-art technologies. We are seeking an intern who is passionate about software development, systems engineerin

Part-time

USD 22.60 per hour

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C jobs in Washington, DC, USA