Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Software Engineer- TS/SCI w/Poly

$212.5k - $287.5k

General Dynamics Information Technology

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 Engineering Job Qualifications: Skills: C/C++, Docker (Software), Java Web Development, Python Software Development, Software Design Certifications: None Experience: 15 + years of related experience US Citizenship Required: Yes SOFTWARE ENGINEER Transform technology into opportunity as a Software Engineer at GDIT. Shape what’s next for mission‑critical government projects while shaping what’s next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT As a Software Engineer, the work you’ll do at GDIT will be impactful to the mission. The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software tradeoffs, software reuse, use of Commercial Off‑the‑shelf (COTS)/Government Off the‑shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. WHAT YOU’LL NEED TO SUCCEED Education: Bachelor of Arts/Bachelor of Science Experience: 15+ years of related experience Security clearance level: TS/SCI w/Poly required US citizenship required Role requirements Analyze user requirements to derive software design and performance requirements Debug existing software and correct defects Provide recommendations for improving documentation and software development process standards Design and code new software or modify existing software to add new features Integrate existing software into new or modified systems or operating environments Write or review software and system documentation Serve as team lead at the level appropriate to the software development process being used on any particular project Design or implement complex database or data repository interfaces/queries Develop or implement algorithms to meet or exceed system performance and functional standards Assist with developing and executing test procedures for software components Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas Modify existing software to correct errors, to adapt to new hardware, or to improve its performance Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design Additional contract or position specific required experience for this level (skills, technologies, expertise) Build applications using specified programming language per the development requirements. Development for Windows or UNIX applications using scripting languages (e.g., C, C++, C#, Java, and Python). Dev Ops- Build and deploy technologies (e.g., Artifactory, Docker, Terraform, Ansible, Packer). Cl/CD- Experience with Cl/CD tools (e.g., Jenkins and Bamboo), and building automated Cl/CD pipelines. GDIT IS YOUR PLACE Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award‑winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation. The likely salary range for this position is $212,500 - $287,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: None Telecommuting Options: Onsite Work Location: USA MD Annapolis Junction Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post‑tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission‑ready capabilities in AI, cloud, cyber and software development. Equal Opportunity Employer Individuals with Disabilities Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world #J-18808-Ljbffr

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Principal Software Engineer- TS/SCI w/Poly in Maryland vacancy
  • $212.5k - $287.5k

     ...Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be...  ...Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: C/C++,...  ...experience Security clearance level: TS/SCI w/Poly required US citizenship required... 
    Suggested
    Contract work
    Temporary work
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology, Inc.

    Maryland
    2 days ago
  • $200k - $255k

     ...Principal Software Engineer TS/SCI w/PolyAmentum is seeking a motivated Principal Software Engineer to support the exciting Advanced Analytics Team mission. Engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical... 
    Suggested
    Hourly pay

    Amentum

    Maryland
    4 days ago
  • $200k - $255k

     ...Purpose and Impact: Amentum is seeking a motivated Principal AI Software Engineer to support the exciting Corporate Directory Services mission...  ...Jupyter Notebooks. Security Clearance Required: ~ TS/SCI Poly Minimum Years of Experience: A Doctoral degree... 
    Suggested
    Hourly pay
    Contract work
    For contractors
    Local area

    Aimlroles

    Maryland
    3 days ago
  •  ...protect our country from threats. Job Description SOFTWARE ENGINEER Transform technology into opportunity as a Software Engineer...  ...years of related experience ● Security clearance level: TS/SCI w/Poly required ● US citizenship required ● Role requirements:... 
    Suggested
    Contract work

    General Dynamics Information Technology

    Annapolis Junction, MD
    17 days ago
  • $146k - $234k

     ...seeking a highly motivated User Experience software engineer to support development and software...  ...#MDFSPQualificationsBasic Qualifications: TS/SCI with Polygraph level clearance is...  ...2026-163166Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Suggested
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    8 days ago
  • $176k - $282k

     ...closely with product managers, engineers, and stakeholders to define...  ...experience on projects with similar software processes may be substituted...  .../or Podman containers.Active TS/SCI clearance with polygraph...  ...Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    6 days ago
  • $72.7k - $149.2k

    Job Title: Software Engineer 1 (TS/SCI w/Poly)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *CACI has an immediate opportunity... 
    Contract work
    Work experience placement
    Local area
    Immediate start
    Flexible hours

    CACI International

    Columbia, MD
    8 days ago
  • $176k - $282k

     ...Candidate will become a member of a mature software development effort using Java as the...  ...applications using the Spring Framework.TS/SCI clearance with polygraph clearance is required...  ...ID: 2026-170074Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    For contractors
    Remote work
    Flexible hours
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    8 days ago
  • $135k - $216k

     ...seeking a highly motivated and skilled Software Engineer to design, develop, and secure next-generation...  ...for a bachelor’s degree.Active TS/SCI security clearance with a current polygraph...  ...2026-167149Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Work experience placement
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    5 days ago
  • $25k

     ...SOFTWARE ENGINEER - Large Datasets - 20+ yrs of Experience - TS/SCI w/Poly clearance is required - RC - 317 Posted On 10/21/2026 Job Information Technology Work Experience 20+ Years 210K - 222K City Fort George G Meade State/Province Maryland 20755... 
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Shift work

    Halogen Engineering Group, Inc

    Maryland
    1 day ago
  • $180k - $235k

     ...Current job opportunities are posted here as they become available. Software Engineer (SWE), Level II (TS/SCI w/POLY) A career at BCT LLC means being part of something bigger than yourself. Our success comes from our people's dedication and commitment to delivering... 
    Local area
    Remote work
    Home office

    BCT LLC

    Maryland
    3 days ago
  • $315k

     ...Software Engineer w/TS/SCI Full Scope Poly ~ Annapolis Junction, MD Software Engineer roles in MD. These are all onsite positions in Annapolis Junction, MD. Looking for Active Fully Cleared TS/SCI Full Scope polygraph issued by the NSA (unfortunately they cannot... 
    Permanent employment
    Full time
    Relocation package

    Beyond SOF

    Maryland
    3 days ago
  • $176k - $282k

    Responsibilities Senior Software Engineer - Cyber IntelligenceLocation: Annapolis Junction, MDClearance Required: TS/SCI with PolygraphJoin the mission. Shape the future of cyber...  ...ID: 2026-167510Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    8 days ago
  • $222k - $257k

     ...Senior HPC DevOps Engineer | TS/SCI w/ MD POLY Security Clearance required ~ College Park, MD LCAT: IE3 Salary Range: $222- 257K Location...  ...mission-ready cybersecurity, engineering, and AI-enhanced software solutions for federal defense clients. We combine deep... 
    Immediate start

    Capstone Technology Partners

    College Park, MD
    3 days ago
  • $238k - $275k

     ...Senior Software Engineer- JAVA, SPRING BOOT, REST| SWE4| TS/SCI w/ MD POLY Security Clearance required ~ Hanover, MD Senior DevOps Software Engineer SWE4 Salary Range:$238- 275K Location: Hanover, MD Security Clearance Required: TS/SCI with MD polygraph... 
    Local area
    Immediate start

    Capstone Technology Partners

    Hanover, MD
    3 days ago
  • $25k

     ...SOFTWARE ENGINEER - Jira/Java/Postgres - 20+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT Posted On 09/24/2026 Job Information Technology Work Experience 10-15 Years 233K-246K City Annapolis Junction State/Province... 
    16 hours
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Shift work

    Halogen Engineering Group, Inc

    Maryland
    3 days ago
  • $25k

     ...SOFTWARE ENGINEER - Java/Springboot/DevOps - 12+ yrs of Experience - TS/SCI w/Poly clearance is required - TB - 0142 Posted On 10/05/2026 Job Information Technology Work Experience 10-15 Years 229K-242K City Annapolis Junction State/Province Maryland... 
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Shift work

    Halogen Engineering Group, Inc

    Maryland
    3 days ago
  • $238k - $275k

     ...Senior Software Engineer- JAVA, SPRING BOOT, DB| SWE4| TS/SCI w/ MD POLY Security Clearance required ~ Hanover, MD Senior Software Engineer -JAVA|SPRING BOOT| DB- requires TS/SCI w/ MD Polygraph Clearance SWE4 Salary Range:$238- 275K Location: Hanover, MD... 
    Immediate start

    Capstone Technology Partners

    Hanover, MD
    3 days ago
  •  ...Senior Software Engineer (TS/SCI w/poly)Ft. Meade, MDSIXGEN's mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise... 
    Full time
    Temporary work
    Remote work
    Flexible hours

    SIXGEN

    Maryland
    4 days ago
  •  ...Shield Consulting Solutions is seeking a Senior Software Engineer in Annapolis Junction, MD to design and implement high‑performance web...  ...performance, reliability, and secure coding practices. Requires TS/SCI w/Poly clearance and 20 years of engineering experience. #J-18808-... 

    Shield Consulting Solutions

    Annapolis, MD
    3 days ago
  •  ...Halogen Engineering Group is seeking a Software Engineer with back-end development experience in Jira/Java/Postgres. The role requires 20+ years of software engineering experience and TS/SCI w/Poly clearance, with partial telework options. Location: Annapolis Junction,... 
    Remote work

    Halogen Engineering Group, Inc

    Annapolis, MD
    3 days ago
  • $148.3k - $266.9k

     ...looking for an amazingly talented Cloud Engineer to join our team! What You'll Be Doing:...  ...safe, repeatable, and efficient software delivery.Implement monitoring, logging,...  ...experience in lieu of degree is acceptable)TS/SCI w/ Poly is requiredProfessional experience with... 
    Full time
    Flexible hours

    Parsons

    Annapolis Junction, MD
    4 days ago
  • $176k - $282k

    ResponsibilitiesThe team is seeking a Software Engineer to devise strategies to extract meaning and value from structured and unstructured...  ...for existing or proposed databases or data repositoriesA TS/SCI w/Poly is required.Must be willing to obtain one of the following... 
    Contract work
    Flexible hours
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    6 days ago
  • $176k - $282k

    Job Title Sr. Software Engineer, TS/SCI w/poly Location: US-MD-Laurel Requisition ID: 2026-166340 Position Category: Information Technology Clearance: Top Secret/SCI w/Poly Responsibilities Design and Development Design and build high-performance, interactive data visualizations... 
    Contract work
    Shift work

    Peraton

    Laurel, MD
    4 days ago
  • $25k

     ...DEVOPS ENGINEER - GIT/Linux - 10+ yrs of Experience - TS/SCI w/Poly clearance is required - RC - 316 Posted On 10/02/2026 Job Information Technology Work...  ...fast, but safe delivery of critical business software to Production Develop & Maintain sound version... 
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Shift work

    Halogen Engineering Group, Inc

    Maryland
    4 days ago
  • $176k - $282k

     ...is seeking a Senior Systems Engineer to support the continued maturation...  ...-end systems engineering for software tools that support outreach...  ...a bachelor’s degree.Active TS SCI security clearance with a...  ...Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    8 days ago
  • $104k - $166k

    Responsibilities The team is seeking a Software Engineer to design, implement, test, and operate...  ...developing software in JavaActive TS/SCI security clearance with a current polygraph...  ...ID: 2026-163318Position Category: EngineeringClearance: Top Secret/SCI w/Poly
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    8 days ago
  •  ...AI Engineer III - Active TS/SCI w/poly clearance ~ Annapolis Junction, Maryland CyberTrend’s leadership has 40 years of experience in the...  ...exceptionally qualified IT, architectural, system, and software engineering personnel. Requires TS/SCI with Poly Clearance... 
    Full time
    For contractors
    Local area

    CyberTrend Engineering LLC

    Maryland
    2 days ago
  • $104k - $166k

     ...team providing advanced cloud software solutions for national security. As a Cloud Software Engineer, you will design, develop, and...  ...#AJCM#MDFSP#PeratonRoyalMoveQualificationsRequired QualificationsActive TS/SCI clearance with a current...  ...Category: Information TechnologyClearance: Top Secret/SCI w/Poly
    Contract work
    Flexible hours
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    8 days ago
  • $206k - $239k

     ...Systems Engineer| Cloud & AWS| TS/SCI w/MD poly required ~ Hanover, MD Salary Range:$206-239K Location: Hanover, MD Security Clearance Required...  ..., QA, DevOps and other system engineers to support the Software Development Lifecycle. The Systems Engineer will... 
    Immediate start

    Power3 Solutions

    Hanover, MD
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Software Engineer- TS/SCI w/Poly. Be the first to apply!