Senior Cloud Systems Administrator

The Opportunity:

Join a fast‑paced Agile development program as a core Platform team member supporting a diverse ecosystem of systems and applications hosted in AWS. In this role, you will help build, maintain, and evolve mission‑critical cloud infrastructure—ensuring high availability, scalability, and security across multiple environments. You’ll manage daily operational tasks while driving long‑term upgrades, migrations, and modernization efforts. With a wide range of technologies in play, you’ll continually be challenged and have abundant opportunities to grow your skills and technical depth.

Responsibilities:

• Build and manage AWS infrastructure across multi‑account, multi‑environment landing zones, including systems management and solution design

• Install, configure, deploy, and maintain servers and software

• Monitor system and application performance and troubleshoot issues when they arise

• Ensure the security, reliability, and efficiency of IT infrastructure

• Collaborate within a SAFe delivery model alongside application, data, and security teams

Qualifications:

Required: 

• US citizenship is required and have a DoD Secret clearance

• Proven experience as a System Administrator, Network Administrator, or similar role

• Strong verbal and written communication skills

• Experience with servers, LAN/WAN networks, and patch management in virtual or cloud environments

• Ability to understand, distill, and document solution requirements

• Ability to work independently with minimal supervision

• Expertise with Windows and Linux operating systems

• Production experience with Kubernetes/EKS and container technologies (Docker/containerd, image building)

• Experience with Active Directory and identity federation integrations

• 7+ years of experience in a relevant technical field

• Bachelor’s degree or equivalent professional experience

• Security+ Certification

• AWS Cloud Certifications

Desired:

• Familiarity with GIT, Jenkins CI/CD, Terraform, and Docker

• Experience with STIG compliance and security patching

• Knowledge of AWS environments and cloud‑native services

• Scripting and automation experience (Shell, Perl, PowerShell)

• Strong Terraform experience (modules, state management, reusable IaC) and Ansible proficiency

• 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:

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:

CACI 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.