Senior System Administrator/2025-4604/Vicksburg
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Job Description
Overview
i3 is seeking a Senior System Administrator to join our team in Vicksburg, MS, supporting the Engineering Research and Development Center Supercomputing Resource Center.
Responsibilities
- Maintain operations for an enterprise VMware vSphere environment including systems, storage, and network management.
- Maintain comprehensive virtual ecosystems for specialized projects, including high availability, data and systems protection, template creation and management, storage management, end user access, versioning, and virtualization aspects to fulfill project missions.
- Maintain hardware infrastructure supporting the Virtualization ecosystem including SAN, NAS, network switches, and processing platforms.
- Extensive knowledge and experience with Linux operating systems (RHEL).
- Knowledge and experience with database systems (PostgreSQL and MySQL).
- Knowledge and experience with container solutions (Podman).
- Knowledge and experience with Ansible.
- Responsible for installation, maintenance, configuration, and integrity of computer software, and implementing OS enhancements to improve reliability and performance.
- Provide Systems Administration for Server systems supporting Web, Database, and various applications.
- Coordinate hardware and software upgrades and installations with network and security teams.
- Ensure compliance with ERDC cybersecurity standards for Linux and VM systems.
- Troubleshoot technical issues affecting infrastructure and determine root causes to restore services.
- Implement and ensure operations for DOD security controls such as STIG and HBSS.
Qualifications
- Bachelor's degree from an accredited university.
- 8 years of professional systems administration experience.
- Proficiency with VMware vSphere and Linux OS installation, maintenance, support.
- Ability to troubleshoot complex virtualization configuration issues.
- Knowledge of Linux server OS and shell environments.
- Proficiency with DNS, DHCP, and Kerberos network technologies.
- Experience with SAN and NAS hardware maintenance.
- Knowledge of systems backup and recovery methodologies.
- Strong analytical, communication, and problem-solving skills.
Knowledge/Skills
- Office administration procedures.
- Relationship management and judgment skills.
- Excellent communication, teamwork, and client service skills.
- Ability to work independently and in a team, detail-oriented, organized.
- Ability to manage time, prioritize tasks, and perform under pressure.
Physical Demands
- Regularly required to talk, hear, stand, walk, handle, reach.
- Occasionally required to sit, climb, stoop, kneel, crouch, crawl, lift up to 25 lbs.
- Specific vision abilities include close, distance, peripheral, depth perception, focus adjustment.
About i3
Headquartered in Huntsville, AL, i3 provides innovative technical and engineering solutions to the U.S. DoD, focusing on missile and aviation engineering, cybersecurity, IT, and more.
Perks and Benefits
- Team member ownership, insurance, 401(k) match, wellness incentives, tuition reimbursement, PTO, company activities, community involvement.
We work hard, compete hard, and play hard. Apply now to join us.