Linux Senior Systems Administrator

Peraton is seeking a Linux Senior Systems Administrator ("Linux Sys Admin") to join our team of qualified and diverse individuals. The Linux Sys Admin will become part of the Department of State (DOS) Bureau Consular Affairs Enterprise Infrastructure Operations (CAEIO) Program. CAEIO provides IT Operations and Maintenance to modernize the legacy networks, applications, and databases supporting Consular Affairs (CA) services globally.

The Linux Sys Admin will be a part of the Infrastructure Support team that supports 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 and security service delivery, and craft and implement solutions to issues and new requirements in the operational environment.

Responsibilities

Leverage Red Hat and Oracle experience to deliver measurable results in a fast-paced and 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 documentation and user documentation as required.
• Provide off-hours support.
• Train junior team members to perform patching and other O&M related tasks.
• Comply with certification and accreditation requirements.
• Create and maintain SOPs.

Location: This position is currently hybrid with remote work and up to two days per week in the office in Sterling, VA or Washington, DC.

Core Work Hours: Monday - Friday 9:00 AM ET - 4:00 PM ET (Flexible with manager approval. The Linux Sys Admin can expect to work off-hours, including weekends, to support period surge requirements.)

Required Qualifications

• U.S. citizenship and an active SECRET Government Security Clearance.
• At least five years' experience in a similar position in 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 vulnerability and exposures (CVE) into actionable mitigation and remediation steps.

Desired Qualifications

• Experience running databases on Linux (Oracle, MySQL, or PostgreSQL).
• Experience with any of the following: vCenter, CEPH (Object storage), VMWare vSphere, Apache HTTP Server.
• Hands-on experience working with Openshift 3.x, 4.x - RBAC, AD/LDAP Integration, CI/CD, Certificates, SSL/TLS.
• Red Hat Certified Engineer; Red Hat Certified System Administrator, Oracle Certified Associate/Professional.
• Proficiency in Satellite.
• Proficiency with Red Hat IDM.

Education: High school diploma or equivalent and 16 years of experience; Associate with 14yrs of experience; Bachelor's with 12yrs of experience; Master's with 10yrs.

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.