Senior Cloud / Systems Administrator

About the role

Join a fast‑paced Agile development program as a key member of our Platform team. In this role, you'll help build, maintain, and evolve critical systems in a modern AWS cloud environment-ensuring high availability, seamless performance, and mission‑ready reliability every single day. With a broad range of technologies and applications in play, you'll be challenged, supported, and continually growing your skills. This is your chance to work in a dynamic environment where you'll contribute directly to cloud infrastructure, automation, system reliability, and enterprise‑level technical solutions. You'll collaborate across application, data, and security teams, gaining exposure to diverse technologies and real‑world problem‑solving-all while shaping the technical foundation of a large, mission‑driven program.

Responsibilities

• Build and manage AWS infrastructure across multi‑account, multi‑environment landing zones.
• Install, configure, deploy, and maintain servers, applications, and system services.
• Monitor system performance, identify issues, and drive resolutions to maintain uptime.
• Ensure security and operational efficiency across all infrastructure layers.
• Work within a SAFe Agile delivery model alongside cross‑functional technical teams.
• Support IaaS, IaC, network operations, and firewall configurations.
• Perform system upgrades, IAVA patching, and maintain STIG compliance.
• Troubleshoot outages and performance concerns while meeting contractual SLAs.
• Manage AWS cloud resources and implement best‑practice cloud governance.
• Enforce security controls, backups, access management, and firewall policies.
• Create and maintain internal technical documentation, SOPs, and policies.
• Contribute to multi‑region disaster recovery, backup strategies, and resilience automation.

Requirements

• Required:
• US Citizenship is required and an active Secret Clearance
• 3+ years of directly related experience.
• Bachelor's degree or equivalent hands‑on experience.
• Security+ Certification required.
• Active Directory and identity federation integration knowledge.
• Production Kubernetes / EKS experience and container ecosystem familiarity.
• Proficiency with both Windows and Linux operating systems.
• Self‑starter with the ability to work independently.
• Ability to interpret, document, and translate technical requirements into solutions.
• Hands‑on experience with servers, LAN/WAN networking, and patch management in virtualized/cloud environments.
• Strong verbal and written communication skills across teams and leadership levels.
• Experience as a System Administrator, Network Administrator, or similar role.
• Desired:
• Experience with STIG compliance and security patching.
• Knowledge of AWS cloud services and hosted environments.
• Familiarity with server scripting (Shell, Perl, PowerShell) and automation tooling.
• Experience with Terraform (modules, state, reusable IaC patterns) and Ansible.
• Understanding of 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 :

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 * * * Platform Systems Administrator - AWS Cloud (Agile Environment) Make an impact. Grow your expertise. Shape the future of our mission.

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