Linux Systems Administrator

The Opportunity:

CACI is seeking a hands-on Linux Systems Administrator III to join our Infrastructure Team supporting our family of Electronic Warfare (EW) systems.
Support our end-to-end Linux environment including engineering workstations build servers virtual machines and production systems.
Apply your Linux expertise to build maintain troubleshoot and improve mission-critical infrastructure.
Work across Linux virtualization automation containerization networking and cybersecurity technologies.
Identify and implement improvements that increase infrastructure reliability security performance and maintainability.
Responsibilities:
Build configure maintain patch and upgrade Linux bare-metal servers and virtual machines primarily running Red Hat Enterprise Linux (RHEL) and Ubuntu.
Independently troubleshoot complex issues across Linux workstations servers virtual machines infrastructure appliances storage authentication and network connectivity.
Administer and troubleshoot virtualization platforms including Proxmox and VMware vSphere.
Develop and maintain automation and configuration management solutions using Ansible and Puppet.
Configure optimize troubleshoot and maintain Linux networking and supporting infrastructure services.
Implement and maintain system monitoring logging and dashboards to proactively identify performance and availability issues.
Design and implement infrastructure improvements to increase reliability fault tolerance scalability and performance.
Deploy administer and troubleshoot containerized workloads using Docker and Podman and support Kubernetes environments.
Review Nessus and other vulnerability scan results and remediate identified vulnerabilities through patching configuration changes and system hardening.
Coordinate and perform recurring system updates upgrades and patching across development test and production environments.

Required:

• Bachelors degree in Computer Science Cybersecurity Engineering Information Technology or a related field or equivalent experience.

• 5 years of hands-on Linux systems administration experience.

• Strong experience administering and troubleshooting Red Hat Enterprise Linux (RHEL) or similar enterprise Linux environments.

• Experience with Linux installation configuration patching system hardening and performance troubleshooting.

• Experience with virtualization platforms such as Proxmox and/or VMware vSphere.

• Experience with automation and configuration management tools such as Ansible and Puppet.

• Experience with container technologies including Docker and/or Podman.

• Strong working knowledge of Linux networking DNS storage authentication and system services.

• Ability to independently troubleshoot complex infrastructure issues across physical and virtual environments.

• Active Top Secret security clearance.

Desired:

• Security certification.

• Hands-on experience administering or supporting Kubernetes or another container orchestration platform.

• Experience with infrastructure monitoring centralized logging CI/CD or automated deployment environments.

• Experience supporting Linux infrastructure in classified disconnected or restricted-network environments.

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 youll be part of a high-performing group dedicated to our customers 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. Youll 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 nations 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.

The proposed salary range for this position is: