This is a Senior Linux System Administrator position located in Vicksburg, MS. 

Job Summary: i3 is seeking Senior Linux System Administrators to join our team in Vicksburg, MS in support of the Engineering Research and Development Center Supercomputing Resource Center.

Responsibilities: Operations for an enterprise VMware vSphere environment including systems, storage, and network management. 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. Varied 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).

Qualifications: Master's Degree from an accredited University and 2 years relevant experience. Bachelor's Degree from an accredited University and 4 years relevant experience. Associate's Degree from an accredited College and 6 years relevant experience. High School Diploma and 8 years relevant experience. Proficiency with RHEL operating systems installation, maintenance, and support. Ability to troubleshoot and resolve issues relating to Linux system configuration and operations. Working knowledge of Linux Server operating system and proficiency with one or more shell environments. 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. This position requires the ability to o btain a US Top Security/SCI Clearance for which the US Government requires US Citizenship.

Knowledge/Skills: Knowledge of office administration and procedures. Exceptional judgment capabilities and relationship management skills. Excellent communication, teamwork, and client service skills; ability to clearly communicate in discussions and written documents, and to deliver feedback clearly and tactfully. Interact with a diverse array of customers and staff in a professional and courteous manner. Work independently with accountability for accurate and complete results. Be extremely organized and exceptionally detail oriented. Work well both independently and in a team environment. Be energized by a fast-paced work environment. Must be able to communicate with others effectively. Analyze information and respond appropriately. Manage time wisely and prioritize tasks. Provide superior customer service. Multi-task in a pleasant manner. Work well under pressure.

PHYSICAL DEMANDS The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of thi job. While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; handle or feel; and reach with hands and arms. The employee is occasionally required to sit; climb or balance; and stoop, kneel, crouch or crawl. The employee must be able to lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus. Regular i3 hours are 8:00 a.m. - 5:00 p.m. Monday-Friday, however, additional hours may be required on occasion. Regular and punctual attendance is required.

About i3 Headquartered in Huntsville, AL, i3 is a national leader in providing innovative technical and engineering solutions to a broad customer base across the U.S. DoD. Specializing in missile and aviation engineering and logistic services, electronic warfare and electromagnetic affects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, engineering analysis, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We were founded in 2007 with the intent to do business differently. Our focus is to leave our team members and customers better than we found them. Our ultimate goal is to strengthen our Nation and our warfighter.

Perks and Benefits at i3: 100% team member owned. Outstanding insurance coverage. 401(k) match. Health and wellness incentives. Tuition and certification reimbursement. Generous PTO. Fun culture with company activities. Countless opportunities to give back to the community through our charitable organization, i3 Cares.

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