I3 Systems Administrator Jobs (NOW HIRING)

i3 is seeking a highly skilled and hands-on Azure Cloud Systems Administrator to join our team supporting the Missile Defense Agency Information Management and Software Services (AIMSS) program. This is a deeply technical role focused on the daily administration, management, and operational health of our hybrid-cloud infrastructure. The ideal candidate will have a strong background in traditional system administration with proven, hands‑on experience in a cloud environment. This position is located at Redstone Arsenal in Huntsville, AL.

A $5,000 sign‑on bonus is offered for this position

• Perform day‑to‑day administration of cloud and on‑premise servers, including provisioning, configuration, and maintenance of virtual machines (VMs).
• Utilize Terraform to automate the provisioning and management of cloud resources, ensuring consistent and repeatable deployments.
• Create, manage, and monitor Azure storage solutions (Blob, File, Queue). Implement and maintain robust backup and disaster recovery procedures.
• Configure and manage virtual networks, subnets, and network security groups to ensure secure and efficient traffic flow.
• Harden systems according to DISA STIGs. Manage security controls, including data encryption, access management with Microsoft Entra ID and Azure Key Vault, and implement Azure Group Policies.
• Install, configure, and manage ADS/Azure DevOps Server repositories and support the migration of on‑premise applications to the cloud.
• Proactively monitor system performance and availability. Provide direct technical support to developers, cyber teams, and end‑users to troubleshoot and resolve infrastructure‑related issues.
• Manage and maintain Azure Kubernetes Service (AKS) clusters for containerized application deployment, scaling, and orchestration.
• Create and maintain comprehensive documentation for system architecture, configurations, and operational procedures.

• Bachelor's degree in a relevant technical field (or equivalent experience).
• Minimum of 3 years of hands‑on experience in system administration, with a significant portion in a cloud environment.
• Strong understanding of storage, backup, and disaster recovery principles.
• Experience using Azure Monitor, Log Analytics, and creating alert rules.
• Advanced knowledge of Microsoft Entra ID and RBAC.
• Familiarity with Microsoft Defender for Cloud.
• Experience with Azure Cost Management + Billing.
• Hands‑on experience with Azure Update Management.
• Active Secret security clearance, must be able to maintain the security clearance required for this position.
• Must have (or be able to obtain before starting):
  • CompTIA Security+ CE, or other approved 8570 IAT Level II certification.
  • One of the following:
    • Azure Administrator Associate
    • Azure Security Engineer Associate
    • Azure Solutions Architect Expert
    • AWS Certified Solutions Architect
    • AWS Certified Developer
    • CCSP
    • GCSA
• Must reside within a 75‑mile radius of Redstone Arsenal in Huntsville AL or be willing to relocate prior to starting date.
• Ability to reliably commute to the office as business needs dictate.
• U.S. Citizenship required.

• Proficiency in scripting with PowerShell or Azure CLI.
• Experience with CI/CD pipelines using Azure DevOps or Jenkins.
• Knowledge of advanced Azure networking concepts (e.g., VNet peering, VPN Gateway, ExpressRoute).
• Experience with AWS.
• Hands‑on experience with Terraform for infrastructure automation.

• 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.

• Long‑term financial security
• Higher job satisfaction
• Greater job security
• Personal and professional growth
• Great company culture

• 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