Job Description

Job Profile:

Infrastructure/Systems Administration T3

JR Type:

Funded

Job Category:

Information Technology

Minimum Clearance Required to Start:

TS/SCI

Percentage of Travel Required:

Up to 10%

Type of Travel:

Continental US

Program/Opportunity Name:

Program | EPS

Referral Bonus Plan:

$3,000

* * *

Job Description:

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.

Required Qualifications:

1. Active TS/SCI security clearance.

2. Minimum of Six (6) years’ relevant IT work experience.

3. Security + CE certification or equivalent.

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

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

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

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

8. Familiarity with version control systems (e.g., Git).

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

Desired:

1. Bachelor’s degree in computer science, information technology, or a related field (or equivalent work experience)

2. Minimum of two year’s DCGS experience

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

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

5. Experience with shift work

Company Overview:

CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, status as a protected veteran, or any other protected characteristic. 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. Learn more here.

The proposed salary range for this position is:

$68,400-$143,700

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