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.

• Bachelors degree and 4 years experience or 7+ years 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.