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* * *Senior Cloud / Systems Administrator – Make an Immediate Impact on a High‑Visibility Agile ProgramThe 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 EngineeringBuild and manage AWS infrastructure across multi-account, multi-environment landing zonesDesign and implement system solutions that support mission and enterprise needsInstall, configure, deploy, and maintain servers and software across Windows and LinuxMonitor system performance, troubleshoot issues, and ensure uninterrupted operationsMaintain secure, efficient cloud-hosted infrastructure adhering to best practicesOperations & Infrastructure ManagementLead system upgrades, IAVA patching, and STIG complianceTroubleshoot outages and performance issues across compute, network, and storageImplement multi‑region disaster recovery, backup automation, failover, and resilience strategiesManage identity, access controls, firewalls, and backup policiesCreate and maintain technical documentation, runbooks, and policy guidesCollaboration & DeliveryWork within a SAFe Agile delivery model alongside application, data, and security teamsSupport IaaS, IaC, networking, and security engineering effortsEnsure systems meet contract requirements for performance, availability, and securityQualifications:Required: US Citizenship is required and an active Secret ClearanceProven experience as a System Administrator, Network Administrator, or similar infrastructure roleStrong verbal and written communication skills with cross‑functional teamsHands‑on experience with servers, LAN/WAN networking, and patch management in virtual/cloud environmentsAbility to interpret, distill, and document solution requirementsSelf‑starter who can work independently with minimal supervisionExpertise working with Windows and Linux operating systemsProduction-level Kubernetes/EKS and containerization experience (Docker/containerd, image building)Active Directory and identity federation integration expertise7+ years of related experienceBachelor’s Degree or equivalent professional experienceSecurity+ CertificationAWS Cloud CertificationsDesired:Familiarity with Git, Jenkins CI/CD, Terraform, DockerExperience with STIG compliance and security patchingKnowledge of AWS environments and cloud‑native servicesScripting experience (Shell, Perl, PowerShell) and automation technologiesStrong Terraform capability (modules, state management, reusable IaC) and AnsibleExperience 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-$158,100CACI 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.