Linux Systems Administrator

Roles & Responsibilities

Professionals in this mid-level role manage essential infrastructure services, ensuring high availability and performance of data center services, physical and virtual server-class systems and storage. They are expected to lead medium-to-large scale projects, design and implement system policies, conduct advance troubleshooting, and are pivotal in the direct recovery efforts during critical system failures. They also mentor Tier I/II staff members.

Professionals in this role are expected to have the ability to work alone and as part of larger teams to complete projects on time.

Technologies

• Advanced expertise in VMware suite, CentOS and RHEL 7/8/9 system administration, and VDI (specifically VMware Horizon, Citrix VDI).
• In-depth experience with Active Directory, LDAP and Centrify for identity management, Infoblox for core network services, and proficiency in using Nagios and Splunk for comprehensive system monitoring and analytics.
• Skills in automation scripts and experience with Salt and Ansible for configuration management are crucial.
• Lead security vulnerability assessments and mitigation efforts on Linux systems and other devices, leveraging advanced features of Tenable Nessus.
• Experience with Linux provisioning server tools such as Kickstart and Cobbler to facilitate the automation of network-based system installations of multiple computer operating systems.
• Develop, refine and implement sophisticated security mitigation strategies, contributing to the enterprise’s cyber framework.
• Enterprise-level management of Hyper-converged Infrastructure, vendor hardware and software across multiple data centers.
• Experience using Atlassian’s team collaboration software suite like Jira and Confluence to help organize teams, discuss and complete shared work.
• Experience using ServiceNow or other enterprise digital workflow tools.

Qualifications

TS/SCI with Polygraph clearance required.

Years of Experience: 5-9 years of experience in a similar role.

Degree Requirements: Bachelor’s degree in Computer Science, Information Technology, or a related field. Degree can be substituted with additional 2 years of relevant experience.

Certification Requirements: CompTIA Security+ CE (required), CompTIA Linux+ or equivalent certification (required by 6/30/2024 for TTO6), VMware Certified Professional, Red Hat Certified System Administrator or Red Hat Certified Engineer a plus.