GCI
GCI5mo ago
New

Software Engineer SME (TS/SCI with Poly Required)

United StatesUnited States·Dullesmid
Software EngineerSoftware Engineering
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Quick Summary

Overview

The Customer applies technical resources to accelerate the timely, reliable, and secure delivery of open-source data, information, and insights. The Customer requires application development support to maintain and enhance operations on an existing collection and data enrichment platform.

Technical Tools
typescript

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a Software Engineer, a typical day will include the following duties:

  • Work closely with the Customer’s product owner and program manager to deliver user stories necessary to realize product vision.
  • Coordinate with multiple entities, including mission partners, to ensure tools meet defined requirements.
  • Support data engineering efforts to analyze large data sets to derive data relationships.
  • Ensure all application security vulnerabilities are addressed as appropriate by severity to maintain security accreditation.
  • Maintain all source code in Customer-wide, remote Git repository and capture relevant project documentation per Customer documentation resources and practices.

 

  • Demonstrated experience building and maintaining secure Java 8+ web applications using the Spring Framework, Spring Boot, and Spring Security.
  • Demonstrated experience supporting projects using Python.
  • Demonstrated experience building and maintaining modern client-side interfaces using industry-standard UI frameworks, JavaScript, Typescript, and React.
  • Demonstrated experience designing, developing, querying, and maintaining ElasticSearch and related technologies.
  • Demonstrated experience designing, developing, and maintaining SQL-based databases, including PostgreSQL and MySQL.
  • Demonstrated experience developing PL/SQL database scripts, including procedures, functions, exception handlers, and triggers.
  • Demonstrated experience writing and tuning complex queries against structured and unstructured data sets.
  • Demonstrated experience developing, documenting, and maintaining secure and scalable REST APIs.
  • Demonstrated experience integrating services using messaging technologies, including service buses, publish and subscribe, and MQ.
  • Demonstrated experience managing and developing software applications in an AWS environment.
  • Demonstrated experience working with geo-locational data at both the backend and the application tier.
  • Demonstrated experience developing software in a DevOps environment.
  • Demonstrated experience maintaining Jenkins Continuous Integration/Continuous Delivery (CI/CD) pipelines with automated testing and deployment.
  • Demonstrated experience using Git as a source code repository.
  • Demonstrated experience working with big data processing and NoSQL databases such as MongoDB, ElasticSearch, MapReduce, and HBase.
  • Demonstrated experience with Apache NiFi.
  • Demonstrated experience with the Extract, Transform, and Load (ETL) processes.
  • Demonstrated experience managing and mitigating IT security vulnerabilities using Plans of Actions and Milestones (POAMs), and applying FISMA security controls.

 

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Location & Eligibility

Where is the job
Dulles, United States
On-site at the office
Who can apply
US

Listing Details

Posted
April 29, 2026
First seen
May 6, 2026
Last seen
September 27, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
24%
Scored at
May 6, 2026

Signal breakdown

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GCISoftware Engineer SME (TS/SCI with Poly Required)