Senior Cloud / Systems Administrator

Job Title: Senior Cloud / Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * Senior Cloud / Systems Administrator – Make an Immediate Impact on a High‑Visibility Agile Program The Opportunity: Join a fast-paced Agile development program as a core Platform team resource supporting mission‑critical systems in a dynamic AWS cloud environment. In this role, you’ll ensure high availability across multiple servers and applications, drive daily operational excellence, lead long‑term upgrades and migrations, and constantly expand your technical capabilities across a broad ecosystem of tools and platforms. If you love solving complex problems, working with diverse technologies, and owning impactful work, you'll thrive here. Responsibilities: Platform & Cloud Engineering Build and manage AWS infrastructure across multi-account, multi-environment landing zones Design and implement system solutions that support mission and enterprise needs Install, configure, deploy, and maintain servers and software across Windows and Linux Monitor system performance, troubleshoot issues, and ensure uninterrupted operations Maintain secure, efficient cloud-hosted infrastructure adhering to best practices Operations & Infrastructure Management Lead system upgrades, IAVA patching, and STIG compliance Troubleshoot outages and performance issues across compute, network, and storage Implement multi‑region disaster recovery, backup automation, failover, and resilience strategies Manage identity, access controls, firewalls, and backup policies Create and maintain technical documentation, runbooks, and policy guides Collaboration & Delivery Work within a SAFe Agile delivery model alongside application, data, and security teams Support IaaS, IaC, networking, and security engineering efforts Ensure systems meet contract requirements for performance, availability, and security Qualifications: Required: US Citizenship is required and an active Secret Clearance Proven experience as a System Administrator, Network Administrator, or similar infrastructure role Strong verbal and written communication skills with cross‑functional teams Hands‑on experience with servers, LAN/WAN networking, and patch management in virtual/cloud environments Ability to interpret, distill, and document solution requirements Self‑starter who can work independently with minimal supervision Expertise working with Windows and Linux operating systems Production-level Kubernetes/EKS and containerization experience (Docker/containerd, image building) Active Directory and identity federation integration expertise 7+ years of related experience Bachelor’s Degree or equivalent professional experience Security+ Certification AWS Cloud Certifications Desired: Familiarity with Git, Jenkins CI/CD, Terraform, Docker Experience with STIG compliance and security patching Knowledge of AWS environments and cloud‑native services Scripting experience (Shell, Perl, PowerShell) and automation technologies Strong Terraform capability (modules, state management, reusable IaC) and Ansible Experience with observability and logging tools (Splunk, CloudWatch) - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $75,200-$158,100 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic. Click on Search Jobs to find and apply to CACI openings.