Windows Systems Administrator

i3 is seeking a Windows Systems Administrator to support an Army contract. The selected candidate will provide technical expertise in the administration, integration, and maintenance of Windows-based information systems and infrastructure supporting a large enterprise user base.

The Windows Systems Administrator will ensure system reliability, security, and performance while supporting architectural and operational requirements across the environment. The candidate must demonstrate a customer-focused approach and provide support to both local and remote users.

Candidates must possess, or be able to obtain, a minimum of a United States SECRET security clearance.

• Perform Windows system hardening and patch management using DoD-approved tools such as ACAS and HBSS.
• Conduct vulnerability remediation using Microsoft Endpoint Configuration Manager (MECM) or other approved enterprise management tools.
• Provide technical support and customer service to local and remote users via phone, email, ticketing systems, and in-person support.
• Manage and maintain Windows servers and virtual machines operating within an Active Directory environment.
• Administer Active Directory components, including users, groups, Organizational Units (OUs), Group Policy Objects (GPOs), and related directory services.
• Manage Windows patching in restricted or disconnected environments, including troubleshooting systems that fail automated patch deployment.
• Support Multifactor Authentication (MFA) technologies including CAC/Smartcard PKI authentication and certificate management.
• Administer certificate authorities and certificate lifecycle management.
• Maintain and support backup and disaster recovery solutions.
• Ensure the integrity, availability, and security of servers and systems in accordance with DoD cybersecurity requirements.
• Utilize ticketing systems to track, manage, and resolve end-user requests and incidents.
• Provision and manage standard user, administrator, and service accounts, including account lifecycle management and documentation.
• Maintain system documentation, including hardware inventories, software inventories, and configuration documentation.
• Support Information Assurance (IA) and cybersecurity compliance activities including DISA STIG implementation, RMF compliance, and system hardening.
• Support NetApp storage systems (prior experience preferred; willingness to learn required).
• Evaluate vendor products and recommend solutions to improve system performance and operational efficiency.
• Provide training and technical guidance to end users when appropriate.

• Maintain current knowledge of relevant technologies and cybersecurity best practices.

• Bachelor’s degree with 6+ years of relevant experience, or High School Diploma with 10+ years of equivalent experience.
• Security+ certification required (DoD 8140 compliant).
• Must possess applicable DoD 8140 certification.
• Active Secret Security Clearance or the ability to obtain one.
• Strong experience with Windows systems administration and enterprise troubleshooting.
• Experience with Active Directory administration.
• Experience managing Windows patching and vulnerability remediation in enterprise environments.
• Familiarity with HBSS and ACAS is preferred.
• Experience supporting CAC/PKI authentication environments.
• Experience with backup and disaster recovery technologies.
• Strong customer service and communication skills.

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.
• Communicate well:  listening, verbal, and written.
• 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.

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!