Linux System Administrator

Overview:

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:

• Core hours are 0930-1430 Monday-Friday to ensure overlap with the team, attendance is expected outside of this window as needed to support meetings, deployments, and team activities.
• 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.
• At least one day on-site per week as determined by project manager(s) in conjunction with customer requirements. This position supports networks and systems that cannot be managed remotely, and additional on-site reporting is expected.

Basic Qualifications:

• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD
• 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.
• 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.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.