Linux System Administrator

$86,000 - $138,000/Yr

Peraton - Linthicum Heights, MD

Full-time

Onsite - Linthicum Heights, MD

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

About the position

Peraton is seeking a Linux System Administrator to manage and support Red Hat Enterprise Linux (RHEL) and Ubuntu servers across various networks. This role involves developing and maintaining Ansible Playbooks, managing Kubernetes clusters, and ensuring system security and performance. The position requires on-site coverage and collaboration with team members to support essential government agencies in national security.

Responsibilities

• Provision, manage, and support Red Hat Enterprise Linux (RHEL) and Ubuntu servers across several internet-connected and internet-disconnected networks.
• Develop, utilize, and maintain Ansible Playbooks to secure, patch, and configure Linux servers.
• Manage Kubernetes clusters and the workloads deployed on the clusters.
• Manage and configure connected services such as network adapters, storage, and firewalls.
• Deploy, configure, and support monitoring capabilities to detect anomalous conditions or service disruptions.
• Investigate service disruptions and provide root cause analysis reports, implementing additional steps to prevent subsequent issues.
• Support deployments of new hardware and software applications and appliances.

Requirements

• 5 years of experience with a BS/BA; 3 years with an MS/MA; 0 years with a PhD.
• Must be a U.S. Citizen and have an active Secret clearance.
• Strong oral and written communications skills.
• Expertise with Configuration as Code (CaC) tooling, preferably Ansible.
• Expertise managing Red Hat Enterprise Linux (RHEL) and Ubuntu systems in disconnected environments.
• CompTIA Security+ certification.

Nice-to-haves

• Experience with Infrastructure as Code (IaC) tooling, preferably Terraform.
• Experience administering Kubernetes clusters and services.
• Experience managing secure computing environments adhering to DISA STIGs and NIST 800-53 controls.
• Experience monitoring system uptime and performance with tools such as Splunk, Grafana, and SolarWinds.
• Experience providing detailed technical after-action reports with root cause analysis after outages or security incidents.
• Familiarity with host-level networking such as instance firewalls.
• Familiarity with storage provider management such as Network File Systems (NFS).
• Familiarity with source code management tooling such as GitHub or GitLab.

Benefits

• Competitive salary range of $86,000 - $138,000 based on experience and other factors.