Senior Cloud – Systems Administrator

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CACI International Inc

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1962

🔒 Cybersecurity

Defense • IT • Cybersecurity

CACI International Inc is a diversified company that provides a wide range of services and solutions primarily to the U. S. government and commercial sectors. CACI specializes in offering security services, IT solutions, and intelligence support, helping clients enhance their cyber capabilities and secure their networks. The company is recognized for its innovative workforce and the technology it provides to clients in enterprise and mission-critical environments. CACI is committed to diversity and inclusion, offering an array of career opportunities for both new graduates and experienced professionals, including veterans.

📋 Description

• 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

🎯 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 • 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)

🏖️ Benefits

• healthcare • wellness • financial • retirement • family support • continuing education • time off benefits