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

Data Engineer Expert

Cornerstone Defense

  • Location: Herndon, Virginia
  • Type: Contract
  • Job #3968

Title: Data Engineer Expert
Location: Herndon, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.



Benefits Overview :
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *


Seeking a highly motivated, self-directed professional for a Data Engineering role. In this role, you will design and maintain data pipelines, collaborate closely with development teams, and help deliver reliable data solutions that enable teams to transform data into actionable insights.
Required Qualifications:

Active TS/SCI with Polygraph clearance.

A Master's degree in Computer Science, Information Systems, Engineering, or additional years of specialized experience in a scientific or technical discipline.

Build and maintain reliable data pipelines that support ingestion, transformation, and delivery of large datasets

Partner with software developers and engineering teams to integrate data solutions into existing systems and applications

Develop and optimize SQL queries to support data retrieval, transformation, and analysis

Work with relational databases such as PostgreSQL, Oracle, and MySQL to store, manage, and access data

Develop scripts and automation using Python, Linux, and shell scripting to support data processing tasks

Operate within AWS environments to support cloud-based data infrastructure and workflows

Prepare and structure data outputs in usable formats for analysis and downstream systems, including JSON

8+ years of experience developing or maintaining data pipelines in collaboration with development teams

4+ years of hands-on experience with Python

Experience working with AWS cloud services

Familiarity with SPARC environments and relational databases including PostgreSQL, Oracle, or MySQL

Demonstrated experience writing and maintaining SQL queries

4+ years of experience working in Linux environments, including shell scripting


Experience preparing and managing structured and unstructured datasets, including JSON formats
Desired Qualifications:

Excellent communication and collaboration skills.

Experience with workflow orchestration tools such as Apache NiFi or Apache Airflow

4+ years of development experience with Java or Scala

Experience managing or supporting EMR or SPARC clusters

Background in performance tuning and optimization of data pipelines or large data systems

4+ years of experience working with Hive or Iceberg

Familiarity with implementing cloud-based security practices

Experience using ACM processes for code deployment
Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Data Engineer Expert in Herndon, VA vacancy
  • $146.67k - $249.33k

     ...Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security... 
    Suggested
    Full time
    For contractors
    Local area
    Flexible hours

    BAE Systems USA

    Herndon, VA
    4 days ago
  •  ...Overview We are seeking an experienced Data Engineer to support a mission-focused enterprise environment, responsible for designing and implementing scalable data architectures, building data warehouses and data lakes, and developing automated data pipelines across complex... 
    Suggested

    VTG Defense

    Herndon, VA
    3 days ago
  •  ...government agencies, a list that spans across the country. Job Description CapTech Machine Learning Engineers are responsible for designing and implementing data-driven solutions for our clients, with a specific focus on building and deploying scalable machine... 
    Suggested
    Work at office
    Remote work
    Visa sponsorship
    Work visa
    Flexible hours

    CapTech Consulting

    Reston, VA
    2 days ago
  •  ...Job Title: Data Engineer Job Location: Reston, VA(100% Remote)(Non-Locals also will work) Position Type: Long Term Contract Job Description: We are looking for an experienced Data Engineer who will be responsible for standardizing our... 
    Suggested
    Long term contract
    Local area
    Remote work

    Navtech

    Reston, VA
    4 days ago
  •  ...only available to subscribers. 1) SQL and Python 2) Need candidates with 3-5 years of experience ideal 3) Data integrations The Data Engineer performs routine functions in support of the Tech Operations data team. The Data Engineer runs standardized... 
    Suggested
    Hourly pay
    Temporary work

    RIT Solutions Inc/ Tech Dev IT/ Texperts Inc/ConceptsIT, Inc...

    Reston, VA
    6 days ago
  •  ...Software Engineer This position is fully remote with the option to work in one of our East Coast office locations. Company Summary Our company is a pioneer in A.I.-driven consumer data and intelligence, delivering deep, dynamic insights, activation, and analysis... 
    Work experience placement
    Work at office
    Remote work

    1872 Consulting

    Reston, VA
    2 days ago
  •  ...Description SAIC is seeking a Data Engineer to support the Department of the Air Force Integrated Fires Command and Control (DIFC2) program of record. As the Data Engineer, you will design, develop, and implement data pipelines and analytics for applications. This position... 
    Work at office

    SAIC

    Reston, VA
    6 days ago
  •  ...Job Name: Data Engineer, Junior Location: Reston, VA Remote Work: No Required Clearance: TS/SCI with CI Polygraph Position Type: Immediately Available Key Responsibilities: Utilize statistical techniques to analyze and extract relevant... 
    For contractors
    Immediate start
    Remote work

    Chopine Analytic Solutions LLC

    Reston, VA
    4 days ago
  •  ...Data Engineer The Data Engineer performs routine functions in support of the Tech Operations data team. The Data Engineer runs standardized queries, extracts and parses files, loads data into platforms, and ensures the highest levels of quality. Daily tasks include... 
    Hourly pay
    Temporary work

    RIT Solutions

    Reston, VA
    4 days ago
  • $81.5k - $138.55k

     ...Description The Work: We are seeking a Data Engineer to support federal government programs by designing, building, and maintaining scalable, secure, and compliant data solutions. This role partners closely with data scientists, analysts, developers, and government... 
    Full time
    Contract work
    Work experience placement
    Work at office
    Remote work

    ICF

    Reston, VA
    1 day ago
  • $112k - $179k

     ...Data Engineer - Object Based Intelligence (OBI) Advanced Analytic Method Augmentation Job Locations US-VA-Herndon | US-VA-Reston Requisition ID 2025-160938 Position Category Information Technology Clearance Top Secret/SCI... 
    Contract work
    Work experience placement
    Worldwide
    Shift work

    Peraton

    Reston, VA
    1 day ago
  •  ...Job Title: Sr Data Engineer Duration: 12 Months Location: Reston VA (Remote) PURPOSE: The Senior Data Engineer is responsible...  ...least one programming language (i.e., SQL, NoSQL, Python)., Expert Knowledge and understanding of database design and... 
    Work experience placement
    Remote work

    Ageatia Global Solutions

    Reston, VA
    6 days ago
  • $135k - $216k

     ...Senior Data Engineer - Knowledge Graphs Job Locations US-MD-Annapolis Junction | US-VA-Herndon | US-VA-Reston Requisition ID 2026-166051 Position Category Information Technology Clearance No Clearance Required Responsibilities... 
    Contract work
    Shift work

    Peraton

    Herndon, VA
    4 days ago
  •  ...Overview Acuity, Inc. seeks a  Data Engineer  to design, develop, and maintain scalable data pipelines and integration solutions supporting a federal client. This role builds and optimizes ETL/ELT workflows across the data warehouse, data lake, and analytics platform... 
    Work from home

    Acuity

    Reston, VA
    2 days ago
  •  ...Driven Data Engineer (2+ years - Senior Level) Locations: Arlington / Pentagon, VA, Reston, VA and areas throughout the DMV area ONSITE: Ability to go ONSITE 3-5 days per week Clearance: MUST have an Active TS/SCI clearance If you do NOT have a US Citizenship... 
    For subcontractor
    Work at office
    3 days per week

    BLACK CAPE LLC

    Reston, VA
    1 day ago
  •  ...Position Description: We are seeking a Data Engineer with a TS/SCI Full Scope Polygraph (FSP) to support high-impact, mission-focused programs in Northern Virginia. This is an entirely onsite. The Data Engineer is responsible for performing enterprise ETL operations... 

    Macpower Digital Assets Edge

    Reston, VA
    7 hours ago
  •  ...Job Description Description SAIC is seeking a Data Engineer to support the Department of the Air Force Integrated Fires Command and Control (DIFC2) program of record. As the Data Engineer, you will design, develop, and implement data pipelines and analytics... 
    Work at office

    Science Applications International Corporation

    Reston, VA
    3 hours ago
  •  ...Data Engineer ID 2025-3047 Job Locations US Category Information Technology Type Regular Full-Time Overview DecisionPoint seeks a Data Engineer to design, develop, and maintain secure data pipelines, transformations,... 
    Full time
    For contractors
    Local area
    Remote work

    Decision Point

    Reston, VA
    7 hours ago
  •  ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Data Engineer Location: Reston, VA. Job Description: The Senior Data Engineer is responsible for orchestrating, deploying,... 
    Work experience placement

    Ampcus

    Reston, VA
    8 days ago
  •  ...AWS Cloud Data Engineer Lead The AWS Cloud Data Engineer Lead will be responsible for leading data engineering and data integration initiatives...  ...development, relational databases, and data modeling. Expert-level SQL knowledge. Strong Java programming experience in... 

    Cynet Systems

    Reston, VA
    2 days ago
  •  ...Join our Talent Network Data Engineer, Sr. Reston, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer... 
    Work experience placement

    Chenega MIOS

    Reston, VA
    4 days ago
  •  ...Data Engineer, TS/SCI Reston, VA Job Description Seeking a Lead Data Engineer / Mission Data Pipeline to serve as a Subject Matter Expert (SME). You will work directly with government, technical, and industry stakeholders to design, implement, and sustain data... 

    Blue Sky Innovators Inc

    Reston, VA
    2 days ago
  •  ...from Ageatia Global Solutions... We are looking for a Senior Data Engineer @ Reston, VA for the below mentioned job description. Kindly...  ...least one programming language (i.e., SQL, NoSQL, Python)., Expert Knowledge and understanding of database design and implementation... 
    Work experience placement
    Remote work

    Ageatia Global Solutions

    Reston, VA
    7 hours ago
  •  ...Celestar Corporation is seeking a Senior Data Engineer (OBI Advanced Analytic Method Augmentation) to support The Defense Intelligence Agency ( DIA) under the Object Based Intelligence and Quality Assurance (OBIQUA) task order. The primary place of performance will... 
    Temporary work
    Local area
    Immediate start
    Flexible hours

    Celestar

    Reston, VA
    3 days ago
  •  ...delivery platform and Cumulus - lots of data exchanges: AWS platform using Redshift as...  ...SAT products and need dynamic Senior Data engineer who will also design, build and write test...  ...Required Skills • Expert in writing and optimizing complex SQL queries... 

    Talent Software Services

    Reston, VA
    3 days ago
  •  ...we pride ourselves on providing industry-leading expertise, big data analytics, and all-source research and analysis. Our technical capabilities...  ..., and community. Responsibilities As a Data Engineer , you will transform and deliver high-priority datasets to... 
    Flexible hours

    Level Up

    Reston, VA
    3 days ago
  •  ...Overview LMI is seeking a Senior Data Engineer to support our Intelligence Community client.  LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need... 

    Logistics Management Institute

    Reston, VA
    3 days ago
  •  ...Job Description Title: Senior Data Engineer: Remote Location: Remote Pay range: $70/hr. - $75/hr. On w2 Note: Temp to hire JOB DESCRIPTION: Must Have: AWS - CloudFormation AWS - Dynamo AWS - Lambda AWS... 
    Temporary work
    Remote work

    LanceSoft

    Reston, VA
    2 days ago
  •  ...Dark Wolf constructs and deploys data management and analytics solutions for the defense and intelligence communities. We're proud to boast a world-class engineering team that thrives on rolling up their sleeves to solve your mission's biggest challenges. Dark Wolf... 

    Dark Wolf Solutions

    Herndon, VA
    3 days ago
  • $89.26k - $151.74k

     ...Description We are seeking a Data Engineer to support federal government programs by designing, building, and maintaining scalable data solutions that enable analytics and reporting across enterprise systems. This role works within a modern cloud-based data ecosystem... 
    Full time
    Contract work
    Work experience placement

    ICF

    Reston, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Data Engineer Expert. Be the first to apply!