Senior Cloud Systems Administrator

About the role

Join a dynamic, fast‑paced Agile development program as a key platform engineer supporting mission‑critical systems. In this role, you will help build, operate, and evolve a robust AWS cloud environment that keeps multiple applications and servers highly available every day. With a diverse ecosystem of technologies, you'll be continuously challenged, empowered to innovate, and given room to grow your cloud and systems expertise. If you thrive in environments where no two days look the same, this is the place to be.

Responsibilities

• Build and manage AWS infrastructure across multi‑account, multi‑environment landing zones
• Design and implement systems management solutions that support program needs
• Install, configure, deploy, and maintain servers and enterprise software
• Monitor system performance, identify risks, and troubleshoot complex technical issues
• Ensure the security, reliability, and efficiency of IT infrastructure
• Collaborate within a SAFe delivery model alongside application, data, and security teams
• Assist with IaaS, IaC, networks, and firewall configuration
• Perform upgrades, IAVA patching, and maintain STIG compliance
• Support contract‑required performance monitoring and system maintenance
• Troubleshoot outages and ensure high availability across environments
• Manage resources across AWS cloud services
• Implement and maintain access controls, backups, and security policies
• Build and maintain technical documentation, runbooks, architecture references, and IT policies
• Contribute to multi‑region disaster recovery, failover strategies, and resilience automation

Requirements

• Required:
• US citizenship is required and have a DoD Secret clearance
• 5+ years of related experience
• Bachelor's degree or equivalent experience
• Security+ Certification
• Proven experience as a System Administrator, Network Administrator, or similar technical role
• Strong communication skills-both verbal and written-to collaborate with peers and leaders
• Hands‑on experience supporting servers, networks (LAN/WAN), and patch management in virtual or cloud environments
• Ability to understand, distill, and document solution requirements from diverse stakeholders
• Able to work independently with minimal supervision
• Proficiency in Windows and Linux operating systems
• Production‑level Kubernetes / EKS and container experience (Docker/containerd, image building)
• Active Directory and identity federation integration experience
• Desired:
• Familiarity with Git, Jenkins CI/CD, Terraform, and Docker
• Experience with STIG compliance, security hardening, and patching
• Strong knowledge of AWS services and hosted environments
• Server scripting skills (Shell, Perl, PowerShell) and experience with automation technologies
• Strong Terraform expertise (modules, state management, reusable IaC) and Ansible knowledge
• Experience 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 :
• 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:
• $90,300-$189,600
• CACI is an Equal Opportunity Emplo

Benefits

Additional Information

Job Title: Senior Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * *

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