DevOps Infrastructure Engineer

CACI; Sterling (VA); On-site; USD 94,000 - 198,000; Full time

Job summary

CACI is seeking a cleared DevOps Infrastructure Engineer to join a mission-focused team. The role emphasizes hands-on RHEL administration, automation with Puppet/Ansible, and robust CI/CD workflows in secure environments.

You will collaborate across software, infrastructure, and cybersecurity to deliver scalable, reliable systems while balancing security and automation in production and test environments.

Qualifications

• Active Top Secret clearance with SCI eligibility required within onboarding.
• DoD 8570.01-M IAT Level II certification (e.g., Security+ CE) within 45 days of hire.
• Strong experience administering and troubleshooting RHEL systems and networking.
• Bachelor’s or Master’s in a related technical field is required.
• 5+ years of experience or equivalent combination of education and experience.
• Proficiency with Puppet and Ansible for automation and configuration management.
• Familiar with Agile DevOps practices and secure software delivery.
• Experience designing and maintaining CI/CD pipelines and related tools.
• Solid scripting skills (Bash, Python) and strong OS/network/application troubleshooting.

Responsibilities

• Install, configure, and maintain RHEL-based environments for deployments.
• Develop automation using Puppet and Ansible; support CI/CD pipelines.
• Assist with Tier 3/4 troubleshooting across infrastructure and applications.
• Collaborate with developers, infrastructure, and cybersecurity teams to deliver secure, scalable systems.
• Document procedures, troubleshooting guides, and deployment workflows.
• Support monitoring and automation to improve production reliability and security.

Skills

RHEL administration

Networking

Scripting

Troubleshooting

Agile/DevOps practices

Security best practices

Education

Bachelor’s or Master’s in Computer Engineering, Computer Science, Electrical Engineering

Tools

Puppet

Ansible

Jenkins

GitLab CI/CD

Git

GitHub Actions

Kubernetes

Helm

AWS

Job description

Job Title: DevOps Infrastructure Engineer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: Top Secret

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: Local

The Opportunity

We are seeking a cleared DevOps Engineer to join our mission-focused team supporting complex deployments. The ideal candidate will have deep experience with Red Hat Enterprise Linux (RHEL), advanced networking, and hands-on proficiency with Puppet, Ansible, and CI/CD. In this role, you will install, configure, and troubleshoot both test and production environments, while identifying opportunities to enhance and modernize our primarily Puppet-based deployment pipelines. This is a hands-on, high-impact engineering role where your contributions directly influence our delivery capabilities. Candidates should thrive in fast-paced environments and balance operational reliability with automation, security, and scalability.

• Install, configure, and maintain RHEL-based environments to support operational deployments
• Develop and maintain automation and configuration management solutions using Puppet and Ansible
• Support Tier 3/4 escalations, performing deep-dive troubleshooting across infrastructure and application layers
• Improve deployment processes and reduce manual interventions through scripting and tool integration
• Collaborate with software developers, infrastructure teams, and cybersecurity engineers to deliver secure, scalable systems
• Document installation procedures, troubleshooting guides, and deployment workflows
• Assist with maintaining CI/CD pipelines and monitoring solutions to ensure production reliability
• Implement security features and address newly identified vulnerabilities and best practices

Qualifications Required

• Active Top Secret clearance with SCI eligibility
• Ability to meet DoD 8570.01-M IAT Level II certification requirements (e.g., Security+ CE) within 45 days of hire
• Extensive experience administering and troubleshooting RHEL systems, including networking (routing, VLANs, DNS, DHCP)
• Bachelor’s and/or Master’s Degree in Computer Engineering, Computer Science, Electrical Engineering or related technical discipline
• Minimum of 5 years of experience or an equivalent combination of education, skills, and experience
• Proficiency with Puppet and Ansible for configuration management and automation
• Understanding of Agile development practices, DevOps methodologies, and secure software delivery principles
• Experience designing and maintaining CI/CD pipelines (Jenkins, GitLab CI/CD, GitHub Actions, or similar)
• Familiarity with version control and CI/CD tools (Git, GitLab, Jenkins)
• Strong scripting skills (e.g., Bash, Python)
• Excellent troubleshooting skills across OS, network, and application layers

Desired

• An active Top Secret with SCI clearance
• Experience with AWS and cloud architecture principles
• Familiarity with Helm charts and Kubernetes deployments; willingness to stand up and maintain Kubernetes clusters
• Experience working in environments governed by STIGs, NIST 800-171, or similar security baselines

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:

$94,400 - $198,200

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.