Senior Cloud Systems Administrator

Job Title: Senior Cloud Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:Join a fast‑paced Agile development program as a core Platform team member supporting a diverse ecosystem of systems and applications hosted in AWS. In this role, you will help build, maintain, and evolve mission‑critical cloud infrastructure—ensuring high availability, scalability, and security across multiple environments. You’ll manage daily operational tasks while driving long‑term upgrades, migrations, and modernization efforts. With a wide range of technologies in play, you’ll continually be challenged and have abundant opportunities to grow your skills and technical depth.Responsibilities:Build and manage AWS infrastructure across multi‑account, multi‑environment landing zones, including systems management and solution designInstall, configure, deploy, and maintain servers and softwareMonitor system and application performance and troubleshoot issues when they ariseEnsure the security, reliability, and efficiency of IT infrastructureCollaborate within a SAFe delivery model alongside application, data, and security teamsMore About the RoleSupport IaaS, IaC, networking, and firewall operationsPerform upgrades, IAVA patching, and STIG compliance activitiesMonitor and maintain system performance in alignment with contract requirementsTroubleshoot system issues and outages across cloud environmentsManage resources within AWS, including scaling, configuration, and optimizationImplement security controls, backups, and firewall policiesCreate and maintain internal technical documentation, runbooks, and IT policiesContribute to multi‑region disaster recovery, backup, failover, and resilience automation initiativesQualifications:Required: US citizenship is required and have a DoD Secret clearanceProven experience as a System Administrator, Network Administrator, or similar roleStrong verbal and written communication skillsExperience with servers, LAN/WAN networks, and patch management in virtual or cloud environmentsAbility to understand, distill, and document solution requirementsAbility to work independently with minimal supervisionExpertise with Windows and Linux operating systemsProduction experience with Kubernetes/EKS and container technologies (Docker/containerd, image building)Experience with Active Directory and identity federation integrations7+ years of experience in a relevant technical fieldBachelor’s degree or equivalent professional experienceSecurity+ CertificationAWS Cloud CertificationsDesired:Familiarity with GIT, Jenkins CI/CD, Terraform, and DockerExperience with STIG compliance and security patchingKnowledge of AWS environments and cloud‑native servicesScripting and automation experience (Shell, Perl, PowerShell)Strong Terraform experience (modules, state management, reusable IaC) and Ansible proficiencyExperience with observability and logging platforms (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-$158,100CACI 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.