IT Infrastructure Manager

USC / GC - Only Applicants - Must be local to the St. Peters, Missouri area - 5 days a week onsite.

We are seeking a hands-on, strategic IT Infrastructure Manager to lead and oversee our primarily Windows-based, on-premises infrastructure environment. Reporting to IT leadership, this individual will provide direct oversight of infrastructure operations while guiding engineers responsible for day-to-day systems management.

This is an on-site leadership role for someone who leads from the front—equally comfortable mentoring engineers, reviewing technical decisions, and stepping into complex deployments when necessary. The ideal candidate maintains strong hands-on expertise and can effectively evaluate infrastructure implementations across VMware, NetApp SAN, Veeam, and hybrid cloud platforms including Azure and AWS, ensuring operational stability, disaster recovery readiness, and long-term infrastructure scalability.

Key Responsibilities

• Provide hands-on technical leadership across Windows Server infrastructure, virtualization platforms, storage systems, and backup environments 
• Review, validate, and approve infrastructure deployments and configuration changes performed by engineering staff 
• Serve as the escalation point for complex infrastructure issues and participate in high-impact deployments when necessary 
• Oversee the Windows Server ecosystem, including Active Directory, DNS, DHCP, Group Policy, and file services 
• Ensure patching, system hardening, lifecycle management, and domain integrity standards are consistently maintained 
• Manage and optimize VMware vSphere environments, including cluster management, high availability (HA), and distributed resource scheduling (DRS) 
• Lead evaluation and potential planning for future virtualization platform initiatives, including Hyper-V considerations 
• Oversee NetApp SAN storage architecture, provisioning, and performance optimization 
• Ensure integrity of Veeam backup and replication systems, including monitoring and validation 
• Lead disaster recovery planning, testing, and documentation, ensuring RTO/RPO alignment with business requirements 
• Provide governance and oversight of hybrid cloud environments, including Azure and AWS integrations 
• Validate cloud deployments for security, redundancy, and cost efficiency 
• Establish and maintain infrastructure standards, documentation practices, and change management processes 
• Mentor and lead Infrastructure Engineers, supporting technical development and operational maturity 
• Collaborate closely with security, application, and business teams to ensure reliable and secure infrastructure operations

•  8+ years of experience in infrastructure engineering within Windows-based enterprise environments 
• 3+ years of experience in a technical leadership or supervisory role 
• Deep hands-on expertise in: 

      -Windows Server technologies (Active, DNS, DHCP, Group Policy) 

      -VMware vSphere environments 

      -NetApp SAN storage platforms 

      -Veeam Backup & Replication 

      -Microsoft Azure (AWS experience preferred) 

• Demonstrated experience managing production, on-premises data center environments 
• Strong understanding of high-availability architectures, disaster recovery planning, and infrastructure resiliency 
• Ability to evaluate technical implementations, enforce standards, and guide infrastructure strategy 
• Exceptional communication skills and the ability to collaborate effectively with both technical teams and business stakeholders 
• Proven ability to mentor engineers and foster a high-performing infrastructure team