573 Java Developer Aerospace jobs in Leesburg,VA

Senior Application Developer

GovCIO LLC

Fairfax, VA 22031

$175,000/yr

Hybrid~ 40 minUrgently Hiring

Bachelor's degree in Computer Science, Engineering, or related field with 12+ years of experience with large integrated projects and 5+ years of professional experience in Java development, preferably in federal or defense contracting environments. (or commensurate experience).
Active Secret clearance with the ability to obtain and hold DEA suitability.
Strong knowledge of Java SE/EE, Spring Boot, and RESTful services.
Familiarity with cross-domain solution architectures, data labeling, and secure data transfer protocols.
Experience working in secure environments,
Understanding of FISMA, NIST, or RMF compliance.
Proficiency with build tools (Maven/Gradle).
Version control (Git).
CI/CD tools (Jenkins, GitLab CI).
Exposure to containerization technologies (Docker, Kubernetes).
Cloud platforms (AWS GovCloud, Azure Government).
Understanding of secure coding practices and experience with static/dynamic code analysis tools.

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Remote HR manager

TCC Admin / Other

Leesburg, VA

Remote

5–8+ years of hands‑on HR generalist experience
Experience owning HR for a remote, multi‑state US workforce
Experience supporting California is is required
Experience supporting the following states is preferred: Colorado, Illinois, Maryland, Pennsylvania
Strong background in:
HR compliance (federal + state + local), especially around hiring, wage/hour basics, and terminations
Employee relations and performance management
Building HR processes and policies from scratch or from a very early stage
Demonstrated judgment in knowing what you know and what you don't
Comfortable researching, drafting, and proposing solutions
Equally comfortable saying, “this needs legal review / second eyes” on higher‑risk topics
High comfort with HRIS tools and general systems ownership
Clear, direct written and verbal communication

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New, Posted 15 hours ago

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SME Application Developer

GovCIO LLC

Fairfax, VA 22031

$205,000/yr

~ 40 min OnsiteUrgently Hiring

Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).
Active secret clearance
US Citizen
12+ years of IT experience with large integrated projects
5+ years of professional experience in Java development, preferably in federal or defense contracting environments.
Strong knowledge of Java SE/EE, Spring Boot, and RESTful services.
Familiarity with cross-domain solution architectures, data labeling, and secure data transfer protocols.
Experience working in secure environments, preferably within the DOJ, and understanding of FISMA, NIST, or RMF compliance.
Proficiency with build tools (Maven/Gradle), version control (Git), and CI/CD tools (Jenkins, GitLab CI).
Exposure to containerization technologies (Docker, Kubernetes) and cloud platforms (AWS GovCloud, Azure Government).
Understanding of secure coding practices and experience with static/dynamic code analysis tools.
Strong problem-solving skills and ability to work independently or within a cross-functional Agile team.

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Application Developer

ManTech

Chantilly, VA 20151

New, Posted 14 hours ago

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Air Interdiction Agent New Hire Sign-On Incentives

U.S. Customs and Border Protections

Leesburg, VA 20176

$110,846/yr

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Senior Backend Developer, Data Platform

Vantor

Reston, VA 20190

$182,000-$200,200/yr

Hybrid~ 31 minEducation AssistanceHealth InsuranceRetirement Benefit

To be eligible for this position, you mustbe a U.S. Citizen.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.
Export Control/ITAR:_ Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Strong proficiency in Python
Experience building backend systems, APIs, or distributed services in production environments
PostgreSQL and Elasticsearch proficiency
Familiarity with AWS, especially S3, RDS, and other data centric services
Current/active TS/SCI with a current CI polygraph or be willing and able to obtain a CI polygraph.
Bachelor's degree in a related field, e.g. Computer Science, Systems Engineering or equivalent experience
Understanding of software engineering fundamentals including testing, version control, CI/CD, and system design
Tenacious troubleshooting, problem solving and error fixing mentality
Strong communication and collaboration skills, ability to work, collaborate and thrive on a small technical team.
10\\+ years of professional software engineering experience, with strong backend development skills

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New, Posted 14 hours ago

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IT Professional

US Navy

Leesburg, VA 20176

Senior Software Engineer Staff

Lockheed Martin

Poolesville, MD 20837

New, Posted 8 hours ago

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Systems Integrator / Test Engineer

Fibertek

Herndon, VA 20171

New, Posted 1 hour ago

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Civil Engineer - Part Time

Leidos

Fairfax, VA 22036

RemotePaid Time OffRetirement Benefit

Requires BS in engineering with 5 – 8 years of prior relevant experience.
Experience leading design and construction activities.
Comfortable reviewing and analyzing designs, specifications, and technical requirements / codes.
Excellent written and oral communication skills are a must.
Proficient in Microsoft 365.
Experience supporting FAA system integration.
Experience developing as-builts and CAD drawings.
Experience supporting facilities acquisitions – development of SOWs, Specs, design packages, etc.
Experience working in SharePoint
Must be able to obtain and maintain Public Trust Security clearance.

SmartExplore AI is experimental.