Java/ETL Developer - TS/SCI with Polygraph

General Dynamics Information Technology, Inc.; Herndon (VA); On-site; USD 174,000 - 236,000; Full time

Benefits offered by this job

401K with company match

Health and wellness packages

Paid vacation and holidays

Job summary

General Dynamics Information Technology, Inc. in Herndon, VA is seeking a Java/ETL Developer to support national security programs. You will manipulate data and data flows, perform ETL, data mapping, analytics, and maintenance across multiple systems.

The role requires 8+ years of experience, a TS/SCI with Poly, and a Bachelor’s or equivalent degree. You will work in a fast-paced environment focused on secure, reliable data services for government clients.

Qualifications

• 8+ years of related data engineering and ETL experience.
• Bachelor’s or Technology degree in Engineering or related field, or equivalent 5 years job-related experience.
• Demonstrated experience building and maintaining data flows in NiFi or Pentaho or Java.
• TS/SCI with Polygraph clearance.
• Proficient in Java/J2EE, XML, JSON, Python.

Responsibilities

• Provide support for ETL, data mapping, analytics, operations, databases and maintenance of data systems.
• Develop and manage complex data flows and pipelines or enhancements to existing ones.
• Troubleshoot complex problems and provide ETL customer support.
• Write and maintain technical documentation and reports.
• Communicate findings and progress with teammates and external partners.

Skills

Java/J2EE

XML

JSON

Python

ETL

Data modeling

SQL/Oracle/MySQL

Tableau

Elasticsearch

ArcGIS

GitHub/GitLab/Jenkins

NiFi/Pentaho/ETL tools

Cloud infra

Education

Bachelor’s or Technology degree in Engineering or related field

Equivalent 5 years job-related experience

Tools

NiFi

Pentaho

Petaho

SAFE FME

GitHub/GitLab

Jenkins

Tableau

ElasticSearch

ArcGIS

Job description

Job Details

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: IT Infrastructure and Operations Job Qualifications: Skills: Analytics, Database Architecture, Planning Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes

Job Description

Seize your opportunity to make a personal impact as a Java/ETL Developer supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. As a Java/ETL Developer you will help ensure today is safe and tomorrow is smarter. Our work depends on a Java/ETL Developer joining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us! Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. The Java/ETL Developer will manipulate data and data flows for both existing and new systems. Additionally, they will provide support in the areas of data extraction, transformation and load (ETL), data mapping, analytics, operations, databases, and maintenance of data and associated systems. As a member of the team, candidate will work in a multi-tasking, quick-paced, dynamic, process-improvement environment that requires experience with the principles of large-scale (terabytes) database development, large-scale file manipulation, data modeling, data mapping, data testing, data quality, and documentation preparation.

How a Data Engineer ETL Will Make an Impact

• Provide support in the areas of data extraction, transformation and load (ETL), data mapping, analytics, operations, databases, and maintenance of data and associated systems.
• Develop and manage complex data flows, or makes significant enhancements to existing pipelines.
• Troubleshoot complex problems and provide customer support for the ETL process.
• Resolve complex hardware/software compatibility and interface design considerations.
• Conduct investigations and tests of considerable complexity.
• Research emerging technologies to determine impact on application execution.
• Communicate clearly and effectively with teammates, customers, and external partners.
• Prepare written and verbal communications on analyses, findings, and project progress.
• Write and maintain technical documentation.
• Advise hardware engineers on machine characteristics that affect software systems, such as storage capacity, processing speed, and input/output requirements.

Required Technical Skills

• Demonstrated experience with the following languages: Java/J2EE, XML, JSON, Python
• Demonstrated experience translating data insights into tools or analytic capabilities that inform operational decisions and/or improve processes.
• Demonstrated experience with relational databases (ex - Oracle / MySql).
• Demonstrated experience with search architecture and data visualization tools (ex – Tableau, ElasticSearch, ArcGIS).
• Familiar with servers operating systems; Windows, Linux, and cloud infrastructure.
• Familiar with database methodologies.
• Familiar with Source code management and integration (ex - GitHub/GitLab, Jenkins).
• Familiar with ETL frameworks such as SAFE FME, Petaho, or NiFi.
• Ability to work well in a fast-paced, constantly evolving work environment with a focus on continual process improvement and a proactive approach to problem solving.

What You’ll Need To Succeed

• 8+ years of related data engineering and ETL experience
• Bachelor’s or Technology degree in Engineering or a related specialized area/field, OR equivalent 5 years job-related experience
• Demonstrated experience building and maintaining data flows in NiFi or Pentaho or Java
• Excellent organizational, coordination, interpersonal and team building skills
• TS/SCI with Polygraph clearance
• Location - Herndon, VA

GDIT Is Your Place

• 401K with company match.
• Comprehensive health and wellness packages.
• Internal mobility team dedicated to helping you own your career.
• Professional growth opportunities including paid education and certifications.
• Cutting-edge technology you can learn from.
• Rest and recharge with paid vacation and holidays.

#WeAreGDIT #JET #GDITEnhanced2026 #VA_2026Alumni

The likely salary range for this position is $174,250 - $235,750. 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: Less than 10% Telecommuting Options: Onsite Work Location: USA VA Herndon 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. 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 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.

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