Overview The Lab System Administrator role is a Software/Systems Integrator position with an individual experienced in integrating Red Hat Enterprise Linux (RHEL) based systems and networked Systems of Systems in a Tactical and Lab environment. The ideal candidate will have a solid working knowledge of RHEL and be well-versed in configuring and optimizing Linux Operating Systems. This position is contingent upon funding. Responsibilities + Provide day-to-day operating system, software, and infrastructure integration support, software test support, and troubleshooting. + Responsibilities will include integrating and maintaining RHEL systems and network configurations with GOTS/COTS products. + Up to 10% travel may be required. + Other duties as assigned. Qualifications Basic Qualifications: + Bachelor’s degree and minimum of 2 years of experience; Master’s degree and minimum of 0 years of experience or additional years in lieu of a degree. This position can be filled at multiple levels of experience. + Red Hat Enterprise Linux (RHEL) system administration experience + Strong software, system, and network troubleshooting skills + Ability to script or work at the command line level within RHEL and Windows-based systems (Bash, PowerCLI, Powershell, or Python) + Basic understanding of all phases of software development, and practical experience in an Agile/DevOps environment + Basic understanding of networking to include subnets, routing, VLANs, etc. + Current DoD Secret Security Clearance and ability to maintain + Current DoD 8570 IAT Level II Certification (i.e., Security+, etc.) Preferred Qualifications: + Understanding of routing/switching and experience debugging network-oriented applications + Experience with automation tools such as Ansible + Administration experience with VMware vSphere 7.x or higher + Experience integrating COTS, GOTS and custom software in a security constrained environment + Working knowledge of Linux systems in a Windows Domain environment + Experience with Air & Missile Defense Command and Control programs such as IBCS, PATRIOT, SENTINEL, C2BMC or THAAD or any sensor/weapon system, Link 16 experience + Experience with implementing STIGs and tracking non-compliance on Plan of Action & Milestones (POA&M) + Previous experience with Atlassian Tools (Jira, Confluence, Bitbucket, Bamboo, Fisheye, Crucible, etc.) + Ability to generate procedures that test functionality + Additional Operating System Environment Certification i.e., (MCSA, MCSE, Linux+, RHCSA, Net+, CCNA, VMware Certified, etc.) About i3 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! Job LocationsUS-AL-Huntsville ID 2025-4634 Business Unit SET Type Full-Time Clearance Secret Required