Linux Systems Administrator

The Opportunity:

We are seeking a cleared skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join our IT team. The ideal candidate will play a crucial role in integrating maintaining and
optimizing our Linux-based infrastructure ensuring its stability security and scalability. You will also be responsible for leveraging Puppet automation to streamline system provisioning configuration and management processes.

MUST be willing to work onsite at Langley AFB and have an active/current TS/SCI. Applicants with demonstrated experience supporting real-time 24/7/365 support in a shift work environment highly desired. (Shift differential pay offered.)

Responsibilities:
1. Install configure and maintain Red Hat Enterprise Linux servers and related software.
2. Perform routine system monitoring performance tuning and troubleshooting to ensure system reliability and
performance.
3. Maintain Puppet manifests and modules to automate configuration and deployment tasks.
4. Implement Puppet best practices to ensure efficient and consistent management of infrastructure resources.
5. Perform version control and testing of Puppet code changes.
6. Collaborate with other teams to provision and configure Linux servers to meet application and business requirements.
7. Develop and maintain infrastructure as code (IaC) scripts and templates to facilitate server deployments.
8. Install patches according to the Patch Management Plan leveraging Satellite and YUM.
9. Respond and resolve service outages technical queries and other system related issues.
10. Create and maintain system documentation including procedures and configurations.
11. Train and assist other team members on Linux and job-related tasks.

Qualifications:

Required:

• Active TS/SCI security clearance.

• Bachelors degree in computer science information technology or a related field (or equivalent work experience)

• Minimum 5 years of relevant IT work experience.

• Security CE certification or equivalent.

• Proven experience as a Linux Administrator with a focus on Red Hat Enterprise Linux.

• Strong proficiency in Puppet configuration management including writing/maintaining Puppet manifests and modules.

• Solid understanding of Linux server virtualization and containerization technologies (e.g. VMware Docker).

• Knowledge of scripting languages (e.g. Ansible Bash Python) for automation tasks.

• Familiarity with version control systems (e.g. Git).

• Excellent problem-solving skills and the ability to work effectively in a team environment.

Desired:

• Minimum of two years DCGS experience

• Relevant certification (e.g. RHCE Puppet Certified Professional Linux Essentials) are a plus.

• Experience with one or more of the following technologies: YUM RedHat Satellite Kickstart Harbor Kubernetes.

• Experience with shift work

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: