Senior Linux Engineer

Leidos•Hampton, VA

2d•$92,300 - $166,850•Onsite

About The Position

Leidos’s Defense Sector is seeking a TS/SCI-cleared Senior Linux Engineer to design and implement Infrastructure as Code for multiple deployments and manage servers and related services. The role involves implementing, managing, installing, and upgrading Red Hat Linux environments. Work is performed onsite at Langley Air Force Base, Virginia.

Requirements

Bachelor’s degree and 8+ years of experience, or a Master’s degree and 6+ years of experience; additional experience may be considered in lieu of a degree.
Active and current DoD TS/SCI clearance.
DoD 8570/8140-compliant IAT Level II certification; CompTIA Security+ CE is required.
At least 6 years of Linux administration experience.
Experience with containerization products such as Podman, Docker, Kubernetes, Red Hat OpenShift, or Rancher.
Experience with configuration management systems such as Puppet, Ansible, or Salt.
Hands-on experience with virtualization technologies.
Shell scripting experience in at least one of Bourne shell, sed, awk, Perl, or Python.
Understanding of LDAP and SSO technologies.
Strong focus on automation and familiarity with writing Infrastructure as Code (IaC).
Strong commitment to customer service and customer satisfaction.
Ability to think strategically and proactively rather than reactively.
Ability to work in a fast-paced, highly dynamic environment and learn on the job.

Nice To Haves

Deep understanding of QEMU/KVM and RHEL networking.
Expertise administering Red Hat Satellite.
Expertise administering and using Ansible Automation Platform / Ansible Tower.
Linux+ certification.

Responsibilities

Administer and deploy 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 Ansible-based configuration management across RHEL systems.
Automate deployments using Ansible Automation Platform (AAP), Terraform, and Packer.
Troubleshoot and resolve complex issues in Ansible deployments and RHEL environments.
Optimize 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 tools and technologies that can improve automation, security, and performance.
Ensure compliance with current security policies and remediations.
Proactively monitor and measure system performance to identify trends and potential problems before users are affected.
Work with support teams to ensure incident events are handled in a timely manner.
Administer and maintain Satellite/Capsule management systems.
Apply security and application patches to systems and container images to mitigate vulnerabilities and maintain effective software operation.
Handle technical escalations from the Service Desk, Network Security Operations Center, Tier II, and other support teams.
Document and map the current RHEL environment architecture and support development of an Infrastructure Automation roadmap.
Assist with retrospective activities and operational improvement efforts.
Contribute to the Knowledge Base, standard operating procedures, work instructions, and job aids.
Continuously cross-train to support other technical tasks and responsibilities.