Linux Systems Administrator

i3 is seeking a Linux Systems Administrator. The selected candidate will provide technical expertise supporting information system components, infrastructure integration and maintenance to satisfy architectural and business requirements.

• Perform implementation of system additions and/or enhancements and makes recommendations to management. 
• Manage a mixed Linux and Windows closed-network environment that includes VMware vSphere and VDI Infrastructure.
• Maintain Ansible Automation Platform for configuration management and automation.
• Manage the functionality of servers and computers running Windows/Linux operating systems such as (RHEL, Windows 10/11, Windows Server) within an Active Directory environment. 
• Maintain the integrity and security of servers and systems. 
• Assist in creation and maintenance of system documentation such as SOPs and policies. 
• Implements Information Assurance (IA) systems and practices such as DISA STIGs, RMF and system hardening. 
• Interact with users and evaluate vendor products. 
• Maintain current knowledge of relevant technologies as assigned. 

• Bachelor’s degree and 4 years’ experience or 7+ year’s equivalent experience. 
• Ability to obtain and maintain a DoD Secret Security Clearance, but interim secret required to start.
• Ability to take initiative and work in a team environment. 
• Must have Excellent Customer Service Skills. 
• Strong Systems Administration and Virtualization principles and troubleshooting experience. 
• Good working knowledge of cybersecurity practices/procedures (DISA STIGs, RMF, hardening, documentation). 
• Must have DoD 8570/8140 IA Certification (Security+ CE). 
• Operating System certification required. 
• Ability to manage a large-scale, complex computing environment. 
• Ability to build, standardize, and configure Windows and Linux Operating Systems in various technical use cases. 

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 this 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.

Founded in 2007, Integration Innovation, Inc. (i3) is headquartered in Huntsville, AL, with additional offices in Orlando, FL, and the National Capital Region. We are a 100% team member-owned mid-tier integrator with over 800 employee-owners, and our culture speaks for itself: we've earned ten Best Places to Work® awards, driven by strong employee engagement, transparent leadership, and a genuine commitment to communication.

i3 team members operate at the leading edge of national defense across a broad range of technical disciplines, from systems and software engineering to modeling, simulation, and training solutions to cybersecurity, digital engineering, and enterprise IT. We also take products from prototype through production, bringing that same engineering rigor to manufacturing and delivering hardware at scale. For candidates, that means a rare opportunity: the innovation and mission focus of an engineering services company paired with the hands-on impact of building and delivering real solutions that benefit the Warfighter, all inside an employee-owned company where your contributions directly shape both the mission and your ownership stake in the business.