Cloud Engineer (Software Engineer) (TS/SCI with Poly Required) with Security Clearance

Job Category: IT Infrastructure and Operations Requisition Number: CLOUD002284 Posting Details *

• Posted: September 1, 2026
• Full-Time
• On-site
• Salary Range:

$187,179.20 USD to
$318,198.40 USD

• Locations Showing 1 location Herndon Herndon, VA, USA Herndon Herndon, VA, USA +0 more locations less locations Job Details 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 Cloud Engineer (Software Engineer), a typical day will include the following duties: Cloud Operations & Application Support
• Provide complex troubleshooting and support across distributed AWS cloud environments and enterprise applications.
• Perform advanced OS upgrades, patching, and configuration for cloud hosted systems.
• Provide daily AWS EC2, S3, IAM, Security Groups, Availability Zones, SQS, Lambda, STS, and VPC operations support.
• Manage SQS queues, Lambda functions, serverless applications, and microservices.
• Perform daily system and application health checks and resolve deviations. Monitoring, Observability & Troubleshooting
• Build, maintain, and operate observability stacks using CloudWatch, ELK (Kibana), Logstash, Elasticsearch, Icinga, and AppDynamics.
• Monitor systems, applications, and cloud infrastructure using logs, metrics, alerts, and telemetry to detect anomalies and performance issues.
• Analyze logs, metrics, and telemetry data to identify issues, optimize performance, and support root cause analysis.
• Support incident response activities, including troubleshooting, RCA development, and corrective action implementation.
• Write and maintain automation scripts using Python, Bash, or Shell to streamline operational tasks.
• Support CI/CD pipelines using Jenkins, GitHub, and GitLab, including build, test, and deployment workflows.
• Assist with Infrastructure as Code (IaC) using Terraform and CloudFormation.
• Support code promotion across Dev, Test, UAT, and Prod environments. Automation, DevOps & CI/CD
• Develop automation scripts using Python, Bash, Shell.
• Build and maintain CI/CD pipelines using Jenkins, GitHub, and GitLab.
• Manage Infrastructure as Code (IaC) using Terraform and CloudFormation.
• Manage code promotion across Dev, Test, UAT, and Prod. Security, Compliance & Governance
• Manage TLS/SSL certificates, renewals, and PKI processes for cloud hosted systems.
• Manage privileged accounts, secrets, and database credentials in accordance with security policies.
• Use OpenSSL for certificate inspection, validation, and troubleshooting, including chain validation and key/cert pairing checks.
• Support AWS KMS, IAM, STS, and cloud security controls across multi account environments.
• Support vulnerability remediation efforts and implement required security controls across distributed systems.
• Assist with preparing, maintaining, and improving security accreditation artifacts and compliance documentation.
• Maintain operational documentation including SOPs, runbooks, and After Action Reports (AARS). Containers & Cloud Native Operations
• Deploy, manage, and optimize Kubernetes workloads, including Helm based deployments and multi namespace operations.
• Deploy and manage Docker containers, including image creation, lifecycle management, and registry integration.
• Deploy and manage AWS Lambda functions, serverless applications, and microservices across distributed systems.
• Support container orchestration, scaling, and operational maturity across Kubernetes, Docker, and serverless workloads.
• Troubleshoot complex container, pod, networking, and serverless runtime issues across multi environment deployments.
• Contribute to improving container build pipelines, deployment workflows, and runtime reliability.

Required Skills & Experience (What You Bring)

• Strong Linux/Unix administration and distributed systems troubleshooting experience.
• Strong experience supporting enterprise web applications (Tomcat).Strong experience with AWS EC2, S3, IAM, Security Groups, SQS, Lambda, STS, Availability Zones.
• Strong experience with CloudWatch, ELK, Logstash, Elasticsearch, Icinga, AppDynamics.
• Strong experience with Docker and Kubernetes.
• Strong scripting skills (Python, Bash, Shell).
• Strong CI/CD experience with Jenkins, GitHub, GitLab.
• Strong experience with Terraform and CloudFormation.
• Strong experience with TLS/SSL, PKI, OpenSSL, encryption ciphers.
• Strong experience with serverless applications and microservices.
• Strong AWS CLI proficiency. Experience with MySQL or similar databases.
• Preferred experience working with Solr and Zookeeper clusters.
• Core Hours:  9 AM - 3 PM
• On Call Duty:  Participation in the on call rotation schedule is required.  *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 Qualifications Skills Behaviors : Motivations : Education Preferred BA/BS or better. Experience Preferred 15 years: Demonstrated work related experience. Licenses & Certifications 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. You are using an unsupported browser. To use this site, please use a supported browser. Download Firefox Download Chrome Download Internet Explorer