Senior Cloud / Systems Administrator
CACI International IncAbout the role
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
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