java Jobs in District of Columbia

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Radio Protocol SW Engineer

Herrick Technology Laboratories, Inc.

Germantown, Maryland, USA

Full-time

Summary: Develop wireless/radio protocol software in an agile environment for next generation software-defined radios supporting DoD missions. Description: You will design, prototype, implement, debug, introduce new products, develop test plans, and optimize radio protocol software and the associated release cycle. Responsibilities span the entire product lifecycle from CONOP definition and software concept to customer delivery and maintenance. Develop customer-focused SIGINT and EW applicatio

Software QA/Test Sr

Lumen Solutions Group Inc.

Reston, Virginia, USA

Contract

About us: Lumen Solutions Group Inc., a dynamic small and minority-owned, Disadvantaged Business Enterprise headquartered in Florida, USA. As a leading consulting services and solutions provider, we focus on IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation for our clients. Our client base includes Fortune 500, Government, non-profit and emerging growth companies. Job Description: PURPOSE: Responsible for developing, modifying, and

Python Full Stack Engineer

Mindlance

Reston, Virginia, USA

Contract, Third Party

Job Role: Python Full Stack Engineer Location: Reston, VA- 3 Days Hybrid Duration: 6- 12 Months Job Description: We are seeking a highly experienced Senior Full Stack Developer with expertise in Python, Java, JavaScript, and AWS to enhance the features of our company product using native AWS services. Experience: Excellent Python and Java skills with 5+ years of experience. Extensive application coding experience using native AWS services. Expertise with implementation of security best practice

Principal Engineer, Agentic AI - Transforming Lending

Idexcel Inc.

Herndon, Virginia, USA

Full-time

IDEXCEL Client is looking for Job Title : Principal Engineer, Agentic AI - Transforming Lending @ Herndon VA on Fulltime basis Job Title : Principal Engineer, Agentic AI - Transforming LendingLocation : Herndon VirginiaDuration : Fulltime We're entering a transformative period in financial services. Technology is empowering financial institutions to offer more tailored and efficient solutions, and we're at the forefront of this change. Our software plays a crucial role in enabling banks, cred

IGA/SailPoint Developer

Accenture LLP

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

InfoSec Engineer

Compsciprep LLC

Reston, Virginia, USA

Contract

We are seeking a highly skilled Application Security Engineer/DevOps Specialist to join our dynamic team. The ideal candidate will have extensive knowledge in AWS, application security, coupled with proficiency in Python programming language. Responsibilities: Ensure robust and secure software development lifecycle (SDLC) practices.Design, implement, and maintain secure applications using Java or Python.Collaborate with DevOps teams to integrate security into CI/CD pipelines using tools such as

SDET

Hexaware Technologies, Inc

McLean, Virginia, USA

Full-time

Role : SDET with Cypress experience Job Location McLean VA ( 3 Days Onsite & 2 Days Remote) Hire type : Fulltime only Mandatory Requirement: 8+ years of proven experience and well versed in Java, Selenium, BDD & TDD, Cucumber, Gherkin and CI/CD toolsStrong knowledge and proven experience in API automation, experience with REST assured or Karate; front-end and backend automation as wellStrong knowledge in Databases like (DB2, Mongo DB or Snowflake) and experience in writing SQL queries Must hav

Software Engineer

Cornerstone Defense

Chantilly, Virginia, USA

Full-time

Location: Chantilly, Virginia Type: Contract Job #3688 Title: Software Engineer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is

Sr. Software Engineer TS/SCI Polygraph $25k SIGN ON!

Leidos

Franconia, Virginia, USA

Full-time

Description Leidos has an exciting opportunity for a Senior Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced cryptographic key management program and we are extending a $25,000.00 SIGN ON BONUS! Program execution here follows DEVOPS best practices and employs robust development, test, and production environments. Additionally, the program is using Behavioral Driven Development (BDD) and t

Principal Systems Engineer

Leidos

Odenton, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Senior Systems 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 imme

Senior Software Engineer

Credence Management Solutions

McLean, Virginia, USA

Full-time

Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise modernization, and advanced intelligence capabilities, to the largest defense and health federal organizations. Through partnership and trust, we increase mission success for war-fighters and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest G

Senior Systems Engineer

Leidos

Odenton, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Systems 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 vestin

Network Automation Developer

TechWish

Manassas, Virginia, USA

Contract

Techwish is looking for a Linux Programmer/Developer for an onsite hybrid contract position with one of it's direct clients in Manassas, VA. An ideal candidate will have expertise on Linux development skills along with experience in integrations and automation. Note: Local candidates will be highly preferred as this role requires a direct in-person interview. Plan, design and develop test automation software for SWIFT core messaging applications. Expertise in RHEL development environment with sy

Software Engineer

Leidos

Ashburn, Virginia, USA

Full-time

Leidos is looking for a qualified Software Engineer to support the Custom Border Patrol TVPS program that handles all the travelers coming into the country via Airports, Seaports, Pedestrian, and Vehicle lanes. This position is focused on the support other teams within the contract and client applications. Leidos is looking for a software engineer that can develop code and help troubleshoot issues arising from working with the different teams. Ideally, this individual will work independently and

Middleware Administrator (IBM MQ)

SAIC

Ashburn, Virginia, USA

Full-time

Job ID: 2507462 Location: ASHBURN, VA, US Date Posted: 2025-07-10 Category: Information Technology Subcategory: Database Admin Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary: We are currently seeking a motivated, career and customer oriented mid-level MQ Administrator to join our team in Ashburn, VA to begin an exciting and challenging career

Application Security Engineer

Kforce Technology Staffing

McLean, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an Application Security Engineer in McLean, VA. REQUIREMENTS: * High School diploma or GED * 6+ years of Information Technology experience * 3+ years of experience with supporting Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and IDE Plug-in environments using Veracode and Burp Suite * 2+ years of experience with Java, Python, .NET, or C# * 3+ years of experience using the design and implementation

Senior Systems Engineer

Leidos

Odenton, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Senior Systems 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 imme

Software Developer

KMM Technologies, Inc

Rockville, Maryland, USA

Full-time, Contract, Third Party

KMM an ISO 9001:2015, CMMI Level 2 certified company provides high-quality IT consulting services and innovative solutions by using the most effective and modern technologies. We have a core group of Subject Matter Experts with certifications and immense experience in successfully delivering mission-critical solutions. We have extensive industry experience in the financial, insurance, Health IT, media, marketing, retail, and government markets. We have a proven track record in understanding clie

Atlassian Developer

System One

Arlington, Virginia, USA

Full-time

Atlassian Developer TS/SCI Clearance is required Hybrid 2-3 days a week in Arlington or Alexandria Salary: $140,000-$180,000/year We are seeking a highly skilled Atlassian JIRA & Confluence Specialist to design, administer, and optimize our Atlassian platforms. The ideal candidate will have a strong technical background and proven experience in workflow design, automation, and integration, leveraging a broad toolkit to enable team success. Key Responsibilities Configure and administer user direc

Atlassian Developer

ALTA IT Services

Arlington, Virginia, USA

Full-time

Atlassian Developer TS/SCI Clearance is required Hybrid 2-3 days a week in Arlington or Alexandria Salary: $140,000-$180,000/year We are seeking a highly skilled Atlassian JIRA & Confluence Specialist to design, administer, and optimize our Atlassian platforms. The ideal candidate will have a strong technical background and proven experience in workflow design, automation, and integration, leveraging a broad toolkit to enable team success. Key Responsibilities Configure and administer user direc