principal security java developer Jobs in 22230

Refine Results
221 - 240 of 984 Jobs

Senior Systems Engineer, TS/SCI with Polygraph

General Dynamics

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, Java, Linux, Microsoft Windows, Scripting Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Sr. Systems Engineer analyzin

Senior Android Vulnerability Research Engineer and Developer

Booz Allen Hamilton

Quantico, Virginia, USA

Full-time

Job Number: R0221762 Android Vulnerability Research Engineer and Developer, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop computer network operations ( CNO) and computer network exploitation (CNE) exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Wo

Senior iOS Vulnerability Research Engineer and Developer

Booz Allen Hamilton

Quantico, Virginia, USA

Full-time

Job Number: R0221763 iOS Vulnerability Research Engineer and Developer, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop computer network operations (CNO) and computer network exploitation (CNE) exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Work on

Software Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2507396 Location: CHANTILLY, VA, US Date Posted: 2025-07-09 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC's Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Software Engineer to support enterprise web applications and software development teams. If you can

Signal Processing Engineer

Leidos

Arlington, Virginia, USA

Full-time

Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. The Leidos Innovations Center (LInC) at Leidos currently has an opening for a Signal Processing Engineer to support EW programs in Arlington, VA or San Diego, CA. As part of our team, you will focus on improving the robustness and efficacy of sensors and signals in complicated environments. More broadly, you will advance the state of the art in research and

Cyber Security Engineer

Leidos

Bethesda, Maryland, USA

Full-time

Leidos has an exciting opening for you, our next TS/SCI Cyber Security Engineer working across several Task Orders under the DOMEX Technology Platform (DTP) contract supporting NMEC. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. As a Cyber Security Engineer, your job will be to design, develop, and implement secure systems in on-premises infrastructure. You will leverage on your experience with

Salesforce Developer - TS/SCI with Polygraph

General Dynamics

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Apex Programming Language, Force.com IDE, Salesforce (Software) Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: Discover a career that is challenging, impactful, and mission-critica

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

Leidos

Reston, 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

Distinguished Engineer ( Machine Learning Platform Foundations)

Capital One

McLean, Virginia, USA

Full-time

Distinguished Engineer ( Machine Learning Platform Foundations) Distinguished Engineer, Machine Learning Platform Foundations The Capital One machine learning platform organization manages our cloud-based enterprise ML+AI system providing users with development tools and runtime environments necessary to build and run machine learning and AI systems with large scale realtime and batch processing workloads. We are seeking a Distinguished Engineer, who is passionate about working on large scale

Salesforce Developer (10K SIGNING BONUS!!) - TS/SCI with Polygraph

General Dynamics

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Apex Programming Language, Eclipse IDE, Force.com IDE, Salesforce Platform, Salesforce Sales Cloud Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Discover a career that is challeng

TECHNICAL ARCHITECT - JAVA/AZURE

PETADATA

Reston, Virginia, USA

Full-time, Contract, Third Party

Position: Technical Architect - Java/Azure Location: Virginia (2 days/week office presence) Experience: 18+ Years Work Type: Full-time (W2 only) / C2C PETADATA is currently looking to hire for the position of Technical Architect - Java/Azure for one of their clients. Summary: The ideal candidate must have experience designing, executing, and maintaining large-scale enterprise application development with Java (preferably Java 8). Collaborate with Business SMEs and Product Owners to review

Salesforce Developer - TS/SCI with Polygraph

General Dynamics Information Technology

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Apex Programming Language, Force.com IDE, Salesforce (Software) Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: Discover a career that is challenging, impactful, and mission-critica

Data Engineer

ManTech

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Data Engineer to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a part of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives. You will be providing support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data migration solutions that align with mission goals and

Senior Vulnerability Researcher

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0221503 Vulnerability Researcher, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop CNO and CNE exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Work on unusually complex national security problems and provide highly innovative solutions.

Software Engineer

Nightwing

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Software Developer Subject Matter Expert (SME) - SME

Jacobs

Washington, District of Columbia, USA

Full-time

As a Top-Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debugging new software or enhancements to existing software. You will have a good understanding of business applic

Software Engineer, DBaas - US Federal

Workday, Inc.

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h

AWS

BCforward

Reston, Virginia, USA

Contract

AWS BCforward is currently seeking highly motivated AWS Full Stack Developer in Reston, VA Position Title: AWS Full Stack Developer Location: Andover, MA Anticipated Start Date: Tentative start Date 06/02/2025 Please note this is the target date and is subject to change. BCForward will send official notice ahead of a confirmed start date. Expected Duration: 6+ Months with possibilities for extension Job Type: Contract: 40 hrs/week Pay Range: $50 to $53/hr on W2 Please note that actual compen

Systems Engineer/Mission Planning Operator

RTX Corporation

Springfield, Virginia, USA

Full-time

Date Posted: 2025-07-11 Country: United States of America Location: VA144: 7500 Geoint Drive, Springfield 7500 Geoint Drive , Springfield, VA, 22150 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

SME Oracle APEX Develope - Washington, DC

Protos IT

Washington, District of Columbia, USA

Contract

SME Oracle APEX Developer Washington, DC (100% on-site) Public Trust Oracle APEX Developer on the ESA V program. The ideal candidate will be personable and articulate and will focus on making sure that the customer s needs are met quickly and effectively. The successful candidate will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively interface with customers to understand requirements and mission needs and then be able to transl