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Java Technical Jobs In Leesburg, Virginia - 121 Job Positions Available

1 – 20 of 121 jobs
ManTech jobs

MANTECH seeks a motivated, career and customer-oriented Senior Technical Investigative Analyst to join our team in Chantilly, VA.   The Senior Technical Investigative Analyst will leverage their extensive analytic and technical skills and experience in support of the Sponsor’s

ManTech  5 days ago
teKnoluxion jobs

OverviewMid-Level Backend Software Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly required At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical

TeKnoluxion  24 days ago
teKnoluxion jobs

Overview Backend Software Engineer Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly required At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical

TeKnoluxion  24 days ago
Johns Hopkins University jobs

Description PREP Research Associate This position is part of the National Institute of Standards and Technology (NIST) Professional Research Experience Program (PREP). NIST recognizes that its research staff may want to collaborate with researchers at academic

Johns Hopkins University  22 days ago
Leidos jobs

Leidos is seeking a Software Developer, who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing, and

Leidos  20 days ago
Leidos jobs

Leidos is seeking a Lead Software Developer, who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing,

Leidos  20 days ago
Accenture Federal Services jobs

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

Accenture Federal Services  17 days ago
RTX jobs

Date Posted:2026-05-20 Country:United States of America Location:US-VA-DULLES-760 ~ 22260 Pacific Blvd ~ BLDG 60 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

RTX  16 days ago
Leidos jobs

The Leidos Intelligence Sector has an opening for an Electrical Engineer in Reston, Virginia. The successful candidate will work as a member of a government contractor team conducting reverse engineering of above ground and underground structures

Leidos  3 days ago
Leidos jobs

Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the

Leidos  23 hours ago
ManTech jobs

MANTECH seeks a motivated, career and customer-oriented Senior Data Engineer to join our team in Chantilly, VA.   The Senior Data Engineer will leverage their strong technical background and knowledge to support the Sponsor’s data initiatives, to

ManTech  5 days ago
Leidos jobs

Description Leidos is seeking an AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline. Common Baseline is a mission-critical, future-ready automation solution built on a hybrid

Leidos  2 days ago
Leidos jobs

Description Leidos is seeking a Software Developer, who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing,

Leidos  2 days ago
Leidos jobs

Description Leidos is seeking a Lead AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline. Common Baseline is a mission-critical, future-ready automation solution built on a

Leidos  2 days ago
Leidos jobs

Description Leidos is seeking a Lead Software Developer, who will be a member of a dynamic team in Gaithersburg, MD, working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is

Leidos  2 days ago
Leidos jobs

Description Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around

Leidos  1 day ago
Amtex Systems Inc jobs

Tech Stack- Backend, AWS, Java/Python, Microservices, AI Agentic Tools, like Claude code/Codex Hands-On Architecture & Engineering (~60%) 1 Design and implement scalable AWS architectures 2 Build reference implementations and POCs 3 Contribute to production code and review

Amtex Systems Inc  10 hours ago
Software Guidance & Assistance, Inc. (SGA, Inc.) jobs

Software Guidance & Assistance, Inc., (SGA), is searching for an Sr. Application Security Architect for a Contract assignment with one of our premier Regulatory clients in New York, NY, Tysons, VA, Woodbridge, NJ or Rockville, MD

Software Guidance & Assistance, Inc. (SGA, Inc.)  10 hours ago
Default (MSD) jobs

Engineer II, Manufacturing The Manufacturing Engineer II is responsible for developing and implementing optimal, cost-effective manufacturing processes and methods in accordance with product specifications and quality standards. This includes recommending/implementing improvements to production designs, tools/fixtures, processes,

Default (MSD)  11 hours ago
Insight Global jobs

Title: DevSecOps/Agile Transition Manager Clearance: Secret (MUST HAVE REQUIREMENT) Onboarding: 2 - 6 weeks to receive DEA Suitability Contract: 6 – perm Salary: up to $90/hr -$100/hr Location: Fairfax, VA Required: 10 - 15 years of

Insight Global  1 day ago

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