Linux Senior Systems Administrator

Peraton • Sterling, VA

1d • Hybrid

About The Position

Peraton is seeking a Linux Senior Systems Administrator ("Linux Sys Admin") to join our team of qualified and diverse individuals on our Department of State (DOS) Bureau of Diplomatic Technology (DT) Consular Affairs Enterprise Infrastructure Operations (CAEIO) Program. CAEIO provides IT Operations and Maintenance to modernize the legacy networks, applications, and databases supporting consular applications services globally. The Linux Sys Admin will be a member of the Infrastructure Support team, supporting CA servers, storage platforms, systems, networking equipment, and hosted systems in use at DOS domestic and overseas facilities. The team works closely with other program team members, contractors, DOS leadership and business stakeholders to monitor performance, address faults, ensure secure service delivery, and craft and implement solutions for operational issues and new requirements.

Requirements

• U.S. citizenship and an active SECRET Government Security Clearance.
• Five years of experience in a similar role within a large, multi-site production environment.
• Strong knowledge of RHEL and/or Oracle Linux.
• In-depth knowledge of and real-world experience in automation.
• Ability to quickly troubleshoot and mitigate issues.
• Proficiency with Ansible.
• Experience working with Security teams to translate Common Vulnerabilities and Exposures (CVE) into actionable mitigation and remediation steps.

Nice To Haves

• Experience running databases on Linux (Oracle, MySQL, or PostgreSQL).
• Experience with any of the following: vCenter, VMWare vSphere, Apache HTTP Server.
• Hands-on experience working with Openshift 4.x – RBAC, AD/LDAP Integration, CI/CD, Certificates, SSL/TLS.
• Red Hat Certified Engineer; Red Hat Certified System Administrator
• Proficiency in Satellite.
• Proficiency with Red Hat IDM.

Responsibilities

• Leverage Red Hat and Oracle Linux experience to deliver measurable results in a fast-paced, professionally challenging environment.
• Assist in troubleshooting complex issues that cross many functional areas.
• Perform Linux Administration using AAP, Satellite, and Puppet to automate system builds, upgrades, patching, and hardening.
• Provide T3 level support for the Red Hat Enterprise and Oracle Linux environments.
• Deliver technical and user documentation as required.
• Provide off-hours support.
• Train junior team members on patching and other O&M related tasks.
• Comply with certification and accreditation requirements.
• Create and maintain SOPs.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED
• Number of Employees: 5,001-10,000 employees