Senior Cloud / Systems Administrator

CACI International
$75,200 - $158,100Hybrid

About The Position

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.

Requirements

  • 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

Nice To Haves

  • 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)

Responsibilities

  • 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
  • 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
  • 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

Benefits

  • flexible time off benefit
  • robust learning resources
  • comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits
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