Linux Systems Administrator

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Peraton is seeking a Linux System Administrator to join our team of qualified, diverse individuals.

What you will do:

• 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 as well as 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 and implement additional steps to prevent subsequent issues.
• Support deployments of new hardware and software applications and appliances.

Schedule:

• The system administration team is expected to have on-site coverage 0600-1800 Monday-Friday and schedules will be coordinated with other members of the team to ensure this coverage.
• Location: Baltimore metropolitan area. 

Basic Qualifications:

• Bachelor's degree and 8+ years of experience, or Master's degree and 6+ years of experience, 3 years with PhD. A degree should be in one of the following fields: Information Technology, Information Systems, Computer Science, Software Engineering, Data Science, or Cybersecurity.
• Must be a U.S. Citizen and have an active Secret clearance.
• Strong oral and written communications skills.

Required Technical Qualifications:

• Expertise with Configuration as Code (CaC) tooling, Ansible preferred.
• Expertise managing Red Hat Enterprise Linux (RHEL) and Ubuntu systems on disconnected environments.
• Active CompTIA Security+ certification.

Preferred Technical Qualifications:

• Experience with Infrastructure as Code (IaC) tooling, Terraform preferred.
• Experience administering Kubernetes clusters and services.
• Experience managing secure computing environments to adhere with 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 outage 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.