Systems Engineer SME (TS/SCI with Poly Required)

GCI Careers • Herndon, VA

23h

About The Position

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leveraging 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.

Requirements

• Deep expertise in AWS cloud environments, including architectural best practices, cost optimization, and high availability
• Proven experience designing and managing cloud infrastructure using Terraform
• Demonstrated experience building and maintaining robust CI/CD pipelines using Jenkins
• Experience managing source control and development workflows within GitHub
• Experience working within agile development environments
• Strong background in managing, hardening, and optimizing RHEL/Rocky Linux systems
• Proficiency in Python or Bash for automation and tool development
• Experience securing platform components, including secret management, PKI/encryption
• Proficient in maintaining architecture diagrams, runbooks, and internal developer documentation
• US Citizen
• Active/current TS/SCI with Polygraph clearance

Nice To Haves

• Familiarity with the customer's internal technology stack and established change management processes
• Strong knowledge of managed database services (RDS, Postgres, MySQL) and their integration into platform architectures
• Experience implementing and managing Elasticsearch for logging, search, and data analysis
• Experience advocating for and implementing DevOps practices, including "shift left" security, automated testing, and developer self-service tooling
• Demonstrated ability to perform performance analysis and cost-optimization for distributed cloud-native systems

Responsibilities

• Designing and managing cloud infrastructure using Terraform
• Building and maintaining CI/CD pipelines using Jenkins
• Managing source control and development workflows within GitHub
• Participating in sprints and collaborating with cross-functional software teams
• Managing, hardening, and optimizing RHEL/Rocky Linux systems
• Developing automation and tools using Python or Bash
• Securing platform components, including secret management, PKI/encryption
• Maintaining documented artifacts for security certification
• Maintaining architecture diagrams, runbooks, and internal developer documentation

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed