Linux Systems Administrator

CACI International Inc.; Hampton (VA); On-site; USD 75,200 - 158,100; Full time

Benefits offered by this job

Healthcare benefits

Flexible time off

Learning and development opportunities

Job summary

CACI International Inc. is looking for a Linux Systems Administrator to join our IT team in Hampton, VA. The candidate will be responsible for integrating, maintaining, and optimizing Linux-based infrastructure, leveraging Puppet automation for system management.

Qualified applicants must have an active TS/SCI security clearance and a minimum of 5 years of relevant experience. The role involves working onsite at Langley AFB, with a focus on ensuring system reliability and security.

Qualifications

• Active TS/SCI security clearance is required.
• Minimum 5 years of relevant IT work experience.
• Experience with shift work in a 24/7/365 environment.

Responsibilities

• Install, configure, and maintain Red Hat Enterprise Linux servers.
• Perform routine system monitoring and troubleshooting.
• Develop and maintain infrastructure as code (IaC) scripts.

Skills

Red Hat Enterprise Linux

Puppet configuration management

Scripting languages (Ansible, Bash, Python)

Linux server virtualization

Problem-solving skills

Education

Bachelor's degree in computer science or related field

Security + CE certification or equivalent

Tools

Git

Docker

Job description

## Linux Systems AdministratorHampton, VA, USApply NowFind out how well you match with this jobJob ID327437Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US\* \* \***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.* Bachelor’s 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 year’s 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, 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.The proposed salary range for this position is:$75,200-$158,100*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.*