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 Requirements 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 #J-18808-Ljbffr The Timberline Group