Senior System Administrator

i3 is seeking a Senior System Administrator to join our team in Vicksburg, MS in support of the Engineering Research and Development Center Supercomputing Resource Center.

• 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 all other aspects of virtualization utilized to fulfill the project mission.
• Maintain hardware infrastructure supporting the Virtualization ecosystem including SAN, NAS, network switches, and processing platforms.
• Extensive knowledge and experience of Linux operating systems (RHEL).
• Knowledge and experience with different database systems (PostgreSQL and MySQL).
• Knowledge and experience with container solutions (Podman).
• Knowledge and experience with Ansible.
• Responsible for the installation, maintenance, configuration, and integrity of computer software and implementing operating system enhancements that will improve the reliability and performance of the applications and systems.
• Provide Systems Administration for Server systems supporting Web, Database, and various GOTS and COTS applications.
• Coordinate hardware and software upgrades and installations with network and security teams.
• Ensure compliance with established ERDC cybersecurity compliance standards for Linux and VM computing systems.
• Troubleshoot technical issues affecting the infrastructure and apply field proven methodologies to determine root cause and return services to expected levels.
• Implement and ensure operations for DOD security controls such as Security Technical Implementation Guidelines (STIG) and Host Based Security Systems (HBSS).

• Bachelor's degree from accredited university.
• 8 Years professional systems administration experience.
• Proficiency with VMWare’s vSphere operating systems installation, maintenance, and support.
• Proficiency with Linux operating systems installation, maintenance, and support.
• Ability to troubleshoot and resolve complex problems relating to VMware enterprise virtualization configuration and operations.
• Working knowledge of Linux Server operating system and proficiency with one or more shell environments.
• Proficiency with the managing the following network technologies DNS, DHCP, and Kerberos.
• Proficiency with installing and maintaining operations for SAN and NAS hardware.
• Experience with systems backup and recovery methodologies.
• Ability to use logic and reasoning to identify the strengths and weaknesses of alternative solutions.
• Strong analytical skills and ability to deliver with minimal supervision.
• Strong written and verbal communication skills.

i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.

Perks of being a team member owner include:

• Long-term financial security
• Higher job satisfaction
• Greater job security
• Personal and professional growth
• Great company culture

Other outstanding benefits:

• Excellent insurance coverage
• 401(k) match
• Generous PTO
• Health and wellness incentives
• Tuition and certification reimbursement
• Countless opportunities to give back to the community through i3 Cares

We work hard. We compete hard. We play hard. Apply now to join us!