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

Lead Data Engineer - TS/SCI with Polygraph

$208.25k - $281.75k
Full-time

Gdit

Responsibilities for this Position

Location: USA VA Chantilly
Full Part/Time: Full time
Job Req: RQ221698

Type of Requisition:
Regular

Clearance Level Must Currently Possess:
Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:
Confidential

Public Trust/Other Required:
None

Job Family:
Data Science and Data Engineering

Job Qualifications:

Skills:
Application Programming Interface (API), Data Flows, Java (Programming Language), RESTful APIs
Certifications:
None
Experience:
15 + years of related experience
US Citizenship Required:
Yes

Job Description:

GDIT is seeking a Data Engineer Expert to serve as a team lead to design, build, and optimize scalable backend and data integration systems. This role requires deep expertise across the full software development lifecycle, from system architecture to deployment, with a focus on data-intensive applications, performance optimization, and cross-platform integration. The ideal candidate thrives in dynamic environments and can deliver high-impact solutions that support mission-critical operation.

The candidate will be required to:
  • Provide bug fixes, enhancements, and Graphical User Interface (GUI) improvements to applications to meet operational requirements
  • Develop and modify application source code, in response to new requirements and requests for change
  • Provide enhancements to existing access controls and configurations, and monitor applications to meet operational requirements
  • Develop and deploy software, including in cloud environments
  • Integrate externally developed code into core libraries
  • Install and configure application software
  • Evaluate third party vendors and software partners
  • Design and develop Representational State Transfer (REST) Application Program Interfaces (APls)
  • Maintain design of software libraries, including the definition of module APIs, code organization, and compliance in coding standards. This work will emphasize modularity of the libraries, re-use of common code, clean interfaces between the subsystems and integrity of design
  • Provide ad-hoc user training to potential, new, and existing customers
  • Work with the configuration manager to ensure the integration of externally developed software into core software libraries
  • Develop, as assigned, a wide range of software to run on the Sponsor's networks. The software libraries include but are not limited to audio/video, image processing algorithms, OS and file systems, and device drivers
  • Assist the Sponsor in developing specific standards, methods, or procedures to determine product quality release or release readiness
  • Adhere to Configuration Management standards and practices for software and infrastructure.
  • Conduct testing at all levels of the software development life cycle, to include regression testing, and adhere to strict testing procedure

Desired Technical Capabilities:
  • Demonstrated expertise in one of the following: Java, Python, Angular, Java Script, Go, or equivalent
  • Demonstrated expertise in building and optimizing ETL pipelines using frameworks such as Elastic Search, Kafka, and Airflow
  • Demonstrated experience with REST APIs
  • Hands on experience with AWS
  • Experience with Docker/Kubernetes
  • Experience building data products in Apache Avro
  • Strong analytical, troubleshooting, and communication skills.

Education and Experience:
  • BS in Computer Science or related field, or the equivalent combination of education, technical certifications or training, or work experience
  • 15+ years of relevant experience

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
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 data science and engineering at GDIT and you'll find endless opportunities to grow alongside colleagues who share your determination for solving complex data challenges.

#WeAreGDIT
#JET
#GDITEnhanced2026
#VA_2026Alumni

The likely salary range for this position is $208,250 - $281,750. 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 VA Chantilly

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.

We are GDIT. A global technology and professional services company that delivers consulting, technology 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 capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at
gdit.com/tc .

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans



PI285122998




GDIT is seeking a Data Engineer Expert to serve as a team lead to design, build, and optimize scalable backend and data integration systems. This role requires deep expertise across the full software development lifecycle, from system architecture to deployment, with a focus on data-intensive applications, performance optimization, and cross-platform integration. The ideal candidate thrives in dynamic environments and can deliver high-impact solutions that support mission-critical operation.


The candidate will be required to:

  • Provide bug fixes, enhancements, and Graphical User Interface (GUI) improvements to applications to meet operational requirements
  • Develop and modify application source code, in response to new requirements and requests for change
  • Provide enhancements to existing access controls and configurations, and monitor applications to meet operational requirements
  • Develop and deploy software, including in cloud environments
  • Integrate externally developed code into core libraries
  • Install and configure application software
  • Evaluate third party vendors and software partners
  • Design and develop Representational State Transfer (REST) Application Program Interfaces (APls)
  • Maintain design of software libraries, including the definition of module APIs, code organization, and compliance in coding standards. This work will emphasize modularity of the libraries, re-use of common code, clean interfaces between the subsystems and integrity of design
  • Provide ad-hoc user training to potential, new, and existing customers
  • Work with the configuration manager to ensure the integration of externally developed software into core software libraries
  • Develop, as assigned, a wide range of software to run on the Sponsor's networks. The software libraries include but are not limited to audio/video, image processing algorithms, OS and file systems, and device drivers
  • Assist the Sponsor in developing specific standards, methods, or procedures to determine product quality release or release readiness
  • Adhere to Configuration Management standards and practices for software and infrastructure.
  • Conduct testing at all levels of the software development life cycle, to include regression testing, and adhere to strict testing procedure



Desired Technical Capabilities:

  • Demonstrated expertise in one of the following: Java, Python, Angular, Java Script, Go, or equivalent
  • Demonstrated expertise in building and optimizing ETL pipelines using frameworks such as Elastic Search, Kafka, and Airflow
  • Demonstrated experience with REST APIs
  • Hands on experience with AWS
  • Experience with Docker/Kubernetes
  • Experience building data products in Apache Avro
  • Strong analytical, troubleshooting, and communication skills.



Education and Experience:

  • BS in Computer Science or related field, or the equivalent combination of education, technical certifications or training, or work experience
  • 15+ years of relevant experience



GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
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 data science and engineering at GDIT and you'll find endless opportunities to grow alongside colleagues who share your determination for solving complex data challenges.


Vacancy posted 8 days ago
Similar jobs that could be interesting for youBased on the Lead Data Engineer - TS/SCI with Polygraph in Chantilly, Loudoun County, VA vacancy
  • $208.25k - $281.75k

     ...Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be...  ...: None Job Family: Data Science and Data Engineering Job Qualifications: Skills...  ...Expert to serve as a team lead to design, build, and optimize...  ...to deployment, with a focus on data-intensive... 
    Suggested
    Full time
    Temporary work
    Work experience placement
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Chantilly, Loudoun County, VA
    3 days ago
  • $175k - $235k

     ...little about us: The Red Alpha Data Science practice grew out of Red Alpha...  ...'s reputation in Software and System Engineering with our Department of Defense clients. As...  ...role, you will also need: ~ Active TS/SCI with Polygraph clearance ~ Bachelor's degree in... 
    Suggested
    Summer holiday
    Immediate start

    Red Alpha

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Staff Data Engineer (TS/SCI with Full Scope Polygraph) {S} Job Category: ENG Requisition Number: STAFF003249 Apply now Posted : February 26, 2026 Full-Time...  ...scheduling if that’s of interest to you. Responsibilities: Lead and mentor an interdisciplinary team consisting of... 
    Suggested
    Full time
    Temporary work
    Work at office
    Local area
    Visa sponsorship
    Relocation package
    Flexible hours

    TSG

    Herndon, VA
    3 days ago
  • $104.04k - $183.6k

     ...Data Scientist (SME) - TS/SCI with Polygraph Required Job Locations US-VA-McLean Job ID 2026-13795 # of Openings 1...  ...Implement data science requirements, to include data engineering and data analytics services as defined by the Sponsor... 
    Suggested
    Full time
    Contract work
    For contractors
    Local area

    LMI Consulting, LLC

    McLean, VA
    2 days ago
  •  ...Data Scientist LMI is seeking a Data Scientist to support a U.S. Federal Government Agency working with classified media. This position will work with a team of developers,...  ...slides and graphic products. ~ Active TS/SCI with polygraph required. Applicants must... 
    Suggested

    LMI

    McLean, VA
    1 day ago
  •  ...Job Description As a Data Analytics & Visualization Engineer , you will play a key...  ...You will partner closely with analytics, engineering,...  ...from diverse sources. Lead the development of advanced...  .... Clearance: Active TS/SCI with Polygraph Experience developing... 

    General Dynamics Information Technology

    Chantilly, Loudoun County, VA
    a month ago
  •  ...artificial intelligence, and data analytics as an empirical...  ...as any field in science or engineering. That means we bring intellectual...  ...for itself. Come solve with us We offer...  ...Qualifications ~ Active TS/SCI clearance with polygraph (required at time of application... 
    Contract work
    Temporary work
    Local area

    Aperio Global LLC

    McLean, VA
    4 days ago
  •  ...Defense LLC is seeking a skilled Chief Data Engineer to work in McLean, VA, supporting...  ...integrating data from diverse sources with a strong focus on analytical methodologies...  ...engineering experience and an active TS/SCI with Polygraph clearance. The position also offers a... 

    Cornerstone Defense

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...description Are you a highly experienced Data Engineer passionate about transforming diverse...  ...source data formats, collaborate with Data Scientists and partners to define...  ...10+ years' experience with: Active TS/SCI w/Polygraph security clearance is required.... 

    SpatialGIS

    Chantilly, Loudoun County, VA
    12 hours ago
  •  ...We’re looking for a Data Engineer who is passionate about building modern, scalable solutions...  ...This role blends back-end engineering with data pipeline development and is...  ...must be a US Citizen and able to obtain TS/SCI with Polygraph clearance. Equal Opportunity Employer... 

    GCI

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...A leading defense solutions provider is seeking a highly...  ...motivated Software Developer/Data Engineer to support cloud-based...  ...in software development with strong skills in data engineering...  ...position necessitates a TS/SCI clearance with Full-Scope Polygraph and offers an opportunity... 

    Dark Wolf Solutions, LLC

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...firm is seeking a highly skilled Full Stack Developer with Big Data expertise to support mission-critical programs within the...  ...Agile environment. This role requires active TS/SCI clearance, with polygraph preferred, and a Bachelor's degree in a technical field... 

    KDA CONSULTING INC

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Data Transport Networks Engineer TENICA is looking for a Data Transport Networks...  ...Engineer. Candidate must have a TS/SCI clearance w/ CI Poly....  ...network Interact frequently with network and transport...  ...~ Current TS/SCI With Polygraph ~ Bachelor's degree in computer... 

    TENICA

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...KBR Careers is seeking a Data Engineer in Chantilly, Virginia, to support government customers...  ...solving, and communication skills, along with the ability to utilize diverse data...  ...field and 5+ years of experience. An active TS/SCI security clearance with Poly is required... 

    KBR Careers

    Chantilly, Loudoun County, VA
    5 hours ago
  •  ...Clearance Requirement: Active TS/SCI with CI Polygraph (Required) Position...  ...driven AI Process Integration Engineer to support a critical national...  ..., targeters, and mission leads to deliver hands-on demonstrations...  ...to provide leadership with data-driven evidence for scaling... 
    Full time

    Praescient Analytics

    McLean, VA
    1 day ago
  •  ...Clearance: TS/SCI Full Scope Polygraph (active) Onsite: 100% Onsite work (non-negotiable) Type:...  ...posted below We are seeking a Software Engineer for a long-term program supporting an...  .... Role: Working closely with the Program Manager and multiple branches... 
    Full time
    Immediate start

    Cyrten

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Responsibilities: Maintain the overall data architecture and data flow design for the deployed systems Collaborate with and support external data users, acting as a...  ...Qualifications Must currently hold a TS/SCI and Poly to be considered Bachelor's Degree... 
    Fixed term contract

    Blue Sky Innovators Inc

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...passionate about building robust data processing applications?...  ...new features to interface with existing systems and open-...  ...closely with the Chief Engineer and Technical Leads to translate requirements...  ...with: Active TS/SCI w/Polygraph security clearance is required... 

    SpatialGIS

    Chantilly, Loudoun County, VA
    12 hours ago
  • $190k - $225k

     ...Markon is seeking an expert-level Data Scientist and Systems Engineer in Chantilly, VA to support an Intelligence...  ...the client's AI technologies with significant responsibilities related...  ...candidates will have a Bachelor's degree, a TS/SCI clearance, and a minimum of 10 years... 

    Markon

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...HB Incorporated is seeking a Software Engineer to support its government customer in...  ...VA. This full-time position requires a TS/SCI/Full Scope Polygraph Clearance. The ideal candidate must demonstrate...  ...proficiency in Python, and experience with AWS Cloud Development Kit (CDK).... 
    Full time

    2HB Incorporated

    Chantilly, Loudoun County, VA
    6 hours ago
  •  ...Data Scientist SME Department: Govt Customer-Chantilly Location: Chantilly, VA TENICA is looking to hire a Data Scientist SME. Must have active TS/SCI with FS poly. Required Skills: Demonstrated experience working with Splunk and Linux. Demonstrated... 

    TENICA Global Solutions

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Data Scientist (TS/SCI with Poly Required) GCI embodies excellence, integrity and professionalism...  ...Analytics and Software Development, Engineering, Targeting and Analysis, Operations,...  ...requires an active/current TS/SCI with Polygraph clearance. Equal Opportunity... 
    Work experience placement

    GCI

    McLean, VA
    4 days ago
  •  ...Senior Data Scientist TENICA is looking to hire a Senior Data Scientist in Chantilly, VA. MUST HAVE TS/SCI with CI poly. Develop and conduct algorithm quality trade studies related to synthetic aperture radar imagery, identifying best use cases for selected algorithms... 
    Remote work

    TENICA

    Chantilly, Loudoun County, VA
    1 day ago
  • $190k - $225k

     ...Inc. is looking for an expert-level Data Scientist and Systems Engineer in Chantilly, VA, to support an Intelligence...  ...enhance AI technology capabilities. With a focus on technical analysis and...  ..., candidates must possess a TS/SCI clearance and a Bachelor's degree or... 

    Markon

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Customer-Chantilly Location: Chantilly, VA TENICA is looking to hire a Data Scientist. Must have active TS/SCI with CI poly. Position Description: The Cyber Data Science Engineer provides support to the customer in the area of Cyber Security. Daily... 
    Contract work

    TENICA Global Solutions

    Chantilly, Loudoun County, VA
    12 hours ago
  •  ...Overview Data Scientist – Active TS/SCI Full Scope Polygraph Location: McLean, VA Onsite: 100% In Bid / Vacant: Vacant...  ...to SME Salary Range: Commencing with experience Benefits: The standard...  ...in a STEM (Science, Technology, Engineering or Mathematics) field. Note No 3rd... 
    Full time

    Cyrten

    McLean, VA
    4 days ago
  •  ...committed to providing senior National Security leaders with decision-worthy data and analysis to improve the effectiveness of...  ...Intelligence and Security, OUSW(I&S). We are seeking a TS//SCI cleared Full Stack Data Engineer with a variety of technical skills, a curiosity to... 
    Full time
    Work at office
    Immediate start

    IBM

    Chantilly, Loudoun County, VA
    1 day ago
  • *Active TS/SCI w/ FSP required at time of application We’re looking for a Data Engineer who is passionate about building modern, scalable...  ...blends back-end engineering with data pipeline development...  ...experience Benefits Leading Path is an award-winning Information... 

    Leading Path Consulting LLC

    Chantilly, Loudoun County, VA
    3 days ago
  • $150k - $190k

     ...program and project management, data analytics, and audit...  ...we. Team CATHEXIS operates with an all-in mindset. We are working...  ...values are centered around leading with integrity, owning the...  ...Data Scientist/ML Engineer with an active TS/SCI CI Poly or higher to join... 
    Temporary work
    Work experience placement

    Cathexis

    McLean, VA
    4 days ago
  •  ...requires an active U.S. Government Security Clearance at the TS/SCI level with required polygraph. Responsibilities: Develop, implement, and...  ...REST APIs, particularly Python-based services, to support data retrieval, system integration, agent workflows, and... 
    Permanent employment
    Full time

    Vantor

    McLean, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Lead Data Engineer - TS/SCI with Polygraph. Be the first to apply!