Cloud Infrastructure Engineer

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 Solid understanding of networking fundamentals, including DNS, load balancing, VPNs, firewalls, and TCP/IP Experience with containerization technologies (Docker/containerd) and container image management Familiarity with version control systems (Git) and collaborative development workflows Understanding of security best practices including secrets management, vulnerability scanning/remediation, and security hardening of Linux systems Strong troubleshooting skills with the ability to diagnose and resolve complex infrastructure issues under pressure Desired Skills Experience operating in hybrid environments that span both on-premises data centers and public cloud Scripting proficiency in Bash, Python, or Go for building internal tooling and automation Experience with configuration management tools such as Ansible, and/or Puppet Familiarity with storage solutions for Kubernetes (Rook Ceph, MinIO, or cloud-native persistent storage options) Experience with GPU-enabled infrastructure or workloads, particularly in support of AI/ML use cases Relevant certifications such as CKA, CKAD, AWS/Azure/GCP certifications, or RHCE Prior experience mentoring junior engineers or contributing to a team's technical direction Experience working in an agile and cross-functional team environments Education and Experience Bachelor's degree in Computer Science, Information Technology, Engineering, or a technical discipline is desired, with three (4) years of relevant experience Five (5) years of relevant experience may be substituted for a bachelor's degree Certifications and Credentials Active TS/SCI w/ Poly required IA certification required; i.e. Security+ CE or greater All duties and responsibilities are not captured in this job description. To find out more, please reach out to the recruiter for this role. Total Compensation The salary range for this role is $120,000 - $200,000, depending on education and experience. The salary range listed is a general guideline for this position. Final compensation will be based on factors such as role scope, experience, education, certifications, skills, geographic location, customer needs, contract requirements, and business considerations. Depending on the role and contract, employees may be eligible for additional compensation, including overtime, shift differentials, incentive pay, or discretionary bonuses. For multi-location roles, the posted salary range may reflect a national or role-based range and may vary by location and contract requirements. We are an employee-centric company that knows our mission success depends on our people feeling valued and supported. To back that up, Rampant offers a competitive, total compensation package designed for your total well-being, which includes 100% employer-paid medical , dental, and vision premiums, company HSA contributions , a generous non-contributory 401(k) plan, flexible paid time off (PTO), yearly professional development stipend, and more. For certain HDHP medical plans; enhanced plans will be subject to employee cost sharing. If enrolled in an HSA-eligible plan.  Corporate Commitment We are proud to be an Equal Opportunity Employer (EEO). All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. Our organization is committed to maintaining a workplace free from discrimination, harassment, and retaliation in all employment practices, including recruitment, hiring, promotion, compensation, training, discipline, and termination. We provide reasonable accommodation for qualified individuals with disabilities, in accordance with applicable law, unless doing so imposes an undue hardship on the organization. We conduct comprehensive pre-employment background checks on all finalists as part of our commitment to maintaining a safe, secure, and compliant workplace. Any offer of employment is contingent upon the successful completion of these background screens, which may include verification of your employment history, educational credentials, professional references, criminal history, and relevant licensing. All checks are performed in strict accordance with federal, state, and local employment laws, including the Fair Credit Reporting Act (FCRA). Candidate AI Usage Policy AI is a part of our daily work at Rampant, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided. Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Rampant or customer facility. Hybrid: If this position is listed as hybrid, you will be expected to work from a Rampant office or customer facility frequently, in alignment with leadership expectations and the needs of the role. Onsite: If this position is listed as onsite, work will primarily be performed at a Rampant office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.