Cloud Infrastructure Engineer

About the role

Job Title: Cloud Infrastructure Engineer

Job Type: Full-Time Exempt

Location: Littleton, CO; Greenwood Village, CO; Fairfax, VA

Location Type: Onsite

Company Summary

Rampant Technologies is an independently owned defense contractor delivering specialized support to the most sensitive national security missions across the Department of Defense and the Intelligence Community. Guided by our philosophy of Securing, Enabling, and Executing our customers' critical missions, we bring together elite, cleared teams to solve the hardest technical challenges in intelligence analysis, signals processing, full-spectrum cyber operations, AI/ML and analytics, software engineering, and enterprise IT. We hire mission and technical specialists, prioritizing people over processes and quality over quantity, so that every engagement advances the mission and shapes the future of national security.

Job Summary

The Cloud Infrastructure Engineer is responsible for designing, building, and maintaining scalable cloud and on-premises infrastructure that supports mission-critical applications and services. This includes administering and hardening Linux systems, architecting networking, storage, and compute resources, and building infrastructure as code to ensure environments are repeatable and version-controlled. A core focus of the role is installing, configuring, and maintaining Kubernetes clusters and the foundational CNCF tooling that runs on top of them, including monitoring, ingress, service mesh, and certificate management.

Beyond day-to-day infrastructure operations, this role partners closely with development and platform teams to translate application requirements into reliable, secure infrastructure solutions. Responsibilities include implementing and maintaining CI/CD pipelines, enforcing security best practices such as identity and access management and secrets management, and participating in on-call rotations to maintain system reliability and uptime. The Cloud Infrastructure Engineer also documents infrastructure architecture and operational procedures, evaluates new tools and practices to improve efficiency and maturity, and contributes to the team's overall technical direction.

Employment for this position is contingent upon contract award to Rampant Technologies. Final selection, start date, and offer of employment are subject to contract terms and client approval.

Required Skills

- Strong hands-on experience administering Linux systems in production environments, including shell scripting for automation

- Proven experience installing, configuring, and operating Kubernetes clusters in production, including troubleshooting and upgrades

- Working knowledge of core CNCF projects such as Prometheus, Helm, containerd

- Practical experience with infrastructure as code tooling, particularly Terraform or equivalent, for provisioning cloud and/or on-prem resources

- Experience with at least one major cloud provider (AWS, Azure, or GCP), including core compute, networking, and storage services