A3 Technology, Inc. · 1 day ago
Linux Administrator
A3 Technology, Inc. is seeking a Linux Administrator to join their Infrastructure Support team’s Data Center Services group. The role involves administering, operating, and maintaining data centers, performing infrastructure upgrades, and improving both physical and virtual servers.
Business Information SystemsCyber SecurityIT Infrastructure
Responsibilities
Administer, operate, and maintain the enterprise data center (mix of Nutanix, Windows, Linux, and VMware)
Perform infrastructure upgrades and improve physical and virtual servers
Rack and provision physical servers with basic infrastructure requirements
Optimize system operations and resource utilization
Perform capacity analysis and planning
Perform storage hardware maintenance, including drive swaps
Support weekend maintenance windows
Plan and perform server research, design development, and other assignments in conformance with customer specifications
Participate in the development of system designs, implantation tasks, and maintenance of systems
Produce and adhere to server documentation, configuration, and related processes
Write Knowledge Base Articles and update team wiki
Perform server troubleshooting to isolate and diagnose common hardware and operating system issues
Provide Tier III support for data centers
Perform emergency break/fix repairs
Qualification
Required
Experience with Linux servers, RHEL 8 and up
Experience managing storage solutions
Experience configuring storage for Virtual Machines
Experience performing physical to virtual (P2V) migrations for servers
Experience using Cisco IOS commands to configure network switches
Experience performing SAN zoning
Experience creating & troubleshooting Virtual Networks and vSwitches
Experience scripting with Python and Bash
Experience with Dell data domains
Experience with DevOps tools, e.g. Ansible, Terraform
Experience with VLAN network architecture
Experience patching servers using automation
Experience integrating Linux Objects in Active Directory/Entra
Experience with formal change management processes
Experience tracking and resolving incidents via ticket queue
Excellent written and communication skills
Ability to adhere to maintenance windows and change control procedures
Self-motivated to take ownership of projects
Ability to multi-task between multiple networks and multiple customer requirements
High School Diploma/GED and 14 years related experience OR
Bachelor's degree in Information Technology, Business Systems, Management Information Systems, IT Management, Engineering, Math or Science and 8 years related experience
US Citizenship or documented proof of eligibility to work in the US
Preferred
Experience working with a large organization (>35,000 customers)
Experience collaborating with peer and client teams
Experience with Tanium and/or Splunk
Experience with JIRA and/or ServiceNow
Experience reviewing and implementing STIGs
Experience resolving security POAMs
AWS Certified Cloud Practitioner
Company
A3 Technology, Inc.
A3 Technology, Inc.’s (A3T) mission is to provide System Engineering, Business and Financial Management, Information Technology, Cloud and Cyber Security support services to the Federal government.