Software Engineer SME (TS/SCI with Poly Required)

GCI; McLean (VA); On-site; USD 187,000 - 318,000; Full time

Job summary

GCI is seeking a Software Engineer SME (TS/SCI with Poly Required) to work on on-site in McLean, VA. You will contribute to data analytics and software development across engineering, targeting, and cyber operations, delivering robust, scalable web and cloud-based solutions.

The role requires hands-on design, development, testing, and documentation across AWS cloud environments, with a clear focus on performance and security.

Qualifications

• Experience with frontend and backend development for production-grade applications.
• Experience building complex visual products and web applications.
• Proficient with Git and GitHub version control.
• Strong HTML5/CSS3, and static site tooling (Hugo/SASS).
• Proficiency in TypeScript; familiarity with Webpack, Lerna, and Electron.
• Cloud-based infrastructure development and automation using AWS and CloudFormation.
• Experience with Express.js, Koa.js, or NGINX.
• Experience with RDS, MySQL, or DynamoDB.

Responsibilities

• Manage project priorities and tasks ensuring accuracy and timely delivery.
• Meet customer requirements for quality, responsiveness, and accessibility.
• Adhere to customer development standards and best practices for web/app design.
• Update project statuses in production tracking tools.
• Design data objects suitable for JSON to support web/mobile apps and websites.
• Provide development, maintenance, and upgrade support for cloud-based services in AWS.

Skills

Frontend/Backend

Visual products

Git/GitHub

HTML5/CSS3

TypeScript

Webpack

Lerna

Electron

AWS

CloudFormation

CloudWatch

S3

RDS/MySQL/DynamoDB

Tools

AWS

CloudFormation

CloudWatch

S3

RDS

DynamoDB

ELB

EC2

IAM

Lambda

Jenkins

Job description

Software Engineer SME (TS/SCI with Poly Required)

Job Category: Software Engineering

Requisition Number: SOFTW002345

• Posted : October 23, 2026
• Full-Time
• On-site
• Salary Range : $187,179.20 USD to $318,198.40 USD

Locations

Showing 1 location

McLean
McLean, VA, USA

Description

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 REQUIREMENTS

• Manage project priorities and tasks to ensure accuracy and timeliness, clarity of message, and quality control for products.
• Meet Customer’s requirements for quality, responsiveness, and accessibility.
• Comply with Customer development standards and employ modern web and application design and development best practices.
• Update assigned project statuses in Customer’s production tracking tool.
• Design datasets and data objects suitable for use with JSON to support interactive and mobile production, web applications, and websites.
• Provide development, maintenance, and upgrade support for in-house tools, cloud-based servers, cloud-based applications and services, project boilerplates, and web application packaging tools in an AWS environment.
• Advise and assist the project team in the development of process documentation to support individual tasks, knowledge sharing, and development process workflows.
• Use AWS CodeDeploy, CloudFormation, CloudWatch, S3, RDS, DynamoDB, ELB, EC2, IAM, Lambda, and Jenkins to build, host, and monitor applications.
• Use RDS, Oracle RDS, MySQL, and DynamoDB to support current applications.
• Develop and participate in software system testing and validation procedures, programming, and documentation.
• Maintain and modify existing software to correct errors, adapt to new hardware, or improve performance.
• Review existing programs and assist in making refinements, reducing operating time, and improve current techniques.
• Store, retrieve, and manipulate data to analyze system capabilities or requirements.
• Build web-based interactive, web, and mobile products as needed.
• Provide data transfer support to team members as needed.

REQUIRED SKILLS

• Demonstrated experience with frontend and backend application development support for applications and services used to improve producer experience.
• Demonstrated experience with frontend and backend application development support for applications and services used to facilitate the production of complex visual products.
• Demonstrated experience with version control software including Git and GitHub.
• Demonstrated experience with presentational development including HTML5/CSS3, Hugo or other static site generators, and SASS.
• Demonstrated experience with any combination of the following; Typescript, Webpack, Lerna, or Electron.
• Demonstrated experience with cloud-based infrastructure development and automation including AWS, AWS CloudFormation, AWS CloudWatch, and AWS S3, AWS ELB.
• Demonstrated experience with any of the following (experience with all three libraries is a plus); Express.js, Koa.js, or NGINX.
• Demonstrated experience with any of the following; RDS, MySQL, or DynamoDB.

DESIRED SKILLS

• Demonstrated experience with cloud-based infrastructure development, auditing, and automation using; DynamoDB, ECS, ElasticSearch, or Kibana.
• Demonstrated experience with Jenkins or other related automation software.
• Demonstrated experience with Oracle.
• Demonstrated experience supporting system security documentation.
• Demonstrated experience with mobile mapping capabilities and charting.
• Demonstrated experience with Fastify.

A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Preferred

BA/BS or better.

Preferred

15 years:

Demonstrated work related experience.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.