Senior Linux Engineer

Leidos Inc; Hampton (VA); On-site; USD 92,000 - 167,000; Full time

Benefits offered by this job

Health and wellness programs

Job summary

Leidos Defense Sector seeks a Senior Linux Engineer to design and implement infrastructure as code and manage Red Hat Linux environments at Langley Air Force Base, VA. You will deploy and maintain servers, build Ansible playbooks, and drive automation across CI/CD pipelines.

The role requires DoD TS/SCI clearance, strong Linux administration, and expertise in containerization and IaC tools. On-site work in Virginia with a focus on security hardening and mentoring.

Qualifications

• Active DoD TS/SCI clearance is required.
• 8+ years of Linux administration experience.
• Experience with containerization: Podman, Docker, Kubernetes, OpenShift, or Rancher.
• Experience with configuration management: Puppet, Ansible, or Salt.
• Scripting skills in Bourne shell, sed, awk, Python, or Perl.
• Experience with virtualization technologies.
• Understanding of LDAP and SSO technologies.
• Strong automation and IaC focus.

Responsibilities

• Administer and deploy server hardware and Red Hat Enterprise Linux 9 OS and critical apps.
• Design, develop, and maintain Ansible playbooks and roles for infrastructure automation.
• Automate deployments using Ansible Automation Platform, Terraform, and Packer.
• Troubleshoot and resolve complex issues in Ansible deployments and RHEL environments.
• Integrate Ansible automation into CI/CD pipelines with other teams.
• Perform patching, upgrades, and security hardening of RHEL systems.
• Provide technical leadership and mentorship to junior team members.
• Stay up-to-date with industry trends and best practices.

Skills

Strong automation

Linux system administration

Ansible

Terraform

Packer

Scripting (Python/Bash)

DoD TS/SCI clearance

Podman

Docker

Kubernetes

OpenShift

Rancher

LDAP/SSO

Education

Bachelor's degree

Master's degree

Tools

Red Hat Satellite

Ansible Automation Platform / Ansible Tower

Puppet

Salt

Job description

The Defense Sector at Leidos is looking for a TS/SCI cleared Senior Linux Engineer to design and implement Infrastructure as Code for various deployments and to manage servers, and related services. The Senior Linux Engineer will be responsible for implementing, managing, installing and upgrading our Red Hat Linux environments. The job duties will be performed on site at Langley Air Force base, VA.

Responsibilities include:

• Responsible for the administration, and deployment of server hardware, Red Hat Enterprise Linux 9 Operating Systems, and critical applications. Design, develop, and maintain Ansible playbooks and roles for infrastructure automation.
• Implement and manage configuration management using Ansible across our RHEL systems.
• Automating deployments using Ansible Automation Platform (AAP), Terraform, and Packer.
• Troubleshoot and resolve complex issues in Ansible deployments and RHEL environments.
• Optimize existing Ansible code and RHEL configurations for improved performance and efficiency.
• Collaborate with other teams to integrate Ansible automation into CI/CD pipelines.
• Manage and maintain RHEL systems, including patch management, upgrades, and security hardening.
• Provide technical leadership and mentorship to junior team members.
• Stay current with industry trends, best practices, and developments in Ansible, RHEL, and related technologies.
• Research emerging tools and technologies that help improve automation, security and performance.
• Ensure compliance with current security policies and remediations.
• Proactively monitor and measure systems performance to detect trends and catch problems before users are impacted.
• Work closely with other support teams to ensure incident events are handled in a timely manner.
• Administer and maintain Satellite/Capsule management systems.
• Routinely apply security and application patches to systems and container images, ensuring that vulnerabilities are mitigated, and software operates effectively.
• Handle incoming technical escalations from Service Desk, Network Security Operations Center, Tier II, and other support teams.
• Document and map architecture of the current RHEL environment and support the development of an Infrastructure Automation roadmap.
• Assist with retrospective related activities and support various efforts related to operational improvements.
• Contribute to documentation in the Knowledge Base, Standard Operating Procedures (SOP), work instructions, and job aids.
• Continuously cross-train to also support other technical tasks and responsibilities.

Basic Qualifications:

• Bachelor's degree with 8+ years of experience or a Master's degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.
• Must have an active and current DoD TS/SCI Clearance.
• DoD 8570/8140-compliant certification at IAT Level II - CompTIA Security+ CE required.
• 6+ years of Linux Administration.
• Experience with containerization products such as Podman, Docker, Kubernetes, RedHat OpenShift, or Rancher.
• Experience with configuration management systems like Puppet, Ansible, or Salt.
• Hands-on experience with virtualization technologies.
• Shell scripting experience with at least one scripting language: Bourne shell, sed, awk, Perl, or python.
• Understanding of LDAP and SSO technologies.
• Strong focus on automation.
• Familiar with writing Infrastructure as Code (IaC).
• Strong commitment to customer service and customer satisfaction.
• Ability to think strategically and proactively (rather than reactionary).
• Ability to work in a fast passed, highly dynamic environment and "learn on the job".

Preferred Qualifications:

• Deep understanding of QEMU/KVM and RHEL networking.
• Expert in the Administration of Red Hat Satellite.
• Expert in the Administration and use of Ansible Automation Platform / Ansible Tower.
• Linux+ certification

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Pay Range: $92,300.00 - $166,850.00

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.