Category
Information Technology
Job Location
Denver, Colorado
Tracking Code
CTO 5158-585
Position Type
Full-Time/Regular
CALIBRE is an employee-owned mission focused solutions and digital transformation company. We are seeking a
Senior Infrastructure Engineer to design, deploy, and secure cloud-native and Kubernetes-based platforms for government clients. This role includes supporting Spectro Cloud Kubernetes installations in classified and air-gapped environments. You will be instrumental in building and automating Linux and hybrid cloud infrastructure to enable secure and scalable mission outcomes.
This position can be based in Melbourne, FL; Huntsville, AL; Denver, CO; or Salt Lake City, UT
Key Responsibilities
- Architect and deploy secure, scalable Linux and Kubernetes infrastructures for government environments.
- Guide client teams on cloud adoption, infrastructure modernization, and DevSecOps best practices.
- Implement automation using Ansible, Terraform, and CI/CD tools to streamline infrastructure operations.
- Ensure compliance with cybersecurity frameworks such as STIG, RMF, and related DoD requirements.
- Troubleshoot and optimize performance across complex, distributed systems.
- Mentor client teams on Kubernetes operations, infrastructure automation, and secure cloud practices.
Required Skills
- Strong experience in Linux infrastructure and cloud-native environments
- Hands-on Kubernetes administration (2+ years)
- CI/CD pipeline development and management (3+ years) using GitLab, Jenkins, ArgoCD, etc.
- Automation expertise with Ansible, Terraform, Python, and Bash
- Experience securing and troubleshooting distributed systems
- Knowledge of DoD security frameworks (STIG, RMF)
- Strong communication and mentoring abilities
- DoD 8570 IAT Level II certification (Security+ or equivalent)
Required Experience
- U.S. Citizenship
- 8+ years of infrastructure engineering experience
- 2+ years of Kubernetes administration
- 3+ years of CI/CD pipeline work
- Willingness and ability to travel up to 50%
Preferred Experience
- Experience with Spectro Cloud Kubernetes
- VMware and Windows infrastructure in hybrid environments
- Familiarity with RMF and ATO processes
- Certifications such as CKA, CKAD, RHCE, AWS, Azure
- GitOps tools (ArgoCD, Flux)
- Exposure to edge computing and air-gapped deployments
CALIBRE and its subsidiaries are an Equal Opportunity Employer and supports transitioning service members, veterans and individuals with disabilities. We offer a competitive salary and full benefits package. To be considered, please apply via our website at www.calibresys.com. Come join our dynamic team. #CALIBRECareers
