Director of OT Infrastructure & Security Engineering

NorthMark Compute & Cloud; Spartanburg (SC); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Lunch stipend

Company‑paid benefits

401(k) match

Optional benefits

Paid time off

Job summary

NorthMark Compute & Cloud seeks a Director of OT Engineering in Spartanburg County, SC to lead the full OT infrastructure stack. You will own Active Directory, IAM, and security appliances while guiding virtualization, storage, and OT networking in a regulated environment.

You will manage a team of OT engineers, collaborate with cybersecurity leadership, and drive multi‑year roadmaps, vendor management, and policy adherence to IEC 62443 and NIST standards.

Qualifications

• 15+ years infrastructure engineering in senior/leadership roles.
• Expert‑level AD design, administration, governance in OT environments.
• Hybrid identity: Azure AD/Entra ID, CA, Privileged Identity Mgmt.
• Experience designing OT security appliances: NGFWs, NAC, IPS.
• VMware vSphere/ESXi and Proxmox VE clustering and tuning.
• Enterprise storage: SAN, NAS, Ceph, backup/replication.

Responsibilities

• Define and execute OT engineering strategy and multi‑year roadmap.
• Provide senior technical leadership to OT infrastructure teams.
• Own AD/Entra ID architecture for OT environments and PAM.
• Lead IAM, RBAC, MFA, service accounts governance.
• Oversee security appliances within OT infrastructure and networks.
• Direct OT virtualization platforms: VMware, Proxmox, Kubernetes.
• Own OT storage strategy: SAN/NAS/Ceph and backups.
• Ensure compliance with IEC 62443, NIST SP 800‑82, CIS Benchmarks.
• Lead disaster recovery planning and continuity exercises.
• Collaborate with OT Cybersecurity to integrate infrastructure security.
• Manage vendor relations, licensing, procurement, change control.
• Develop team capabilities through training and certifications.
• Produce executive reporting on health, capacity, risk and status.
• Lead cross‑functional OT projects across network, cybersecurity, and ops.

Skills

Active Directory

IAM

Security appliances

VMware vSphere/ESXi

Proxmox VE

Kubernetes

OT/ICS networks

Budget ownership

Education

Bachelor's degree in CS/IT/EE

Tools

VMware vSphere/ESXi

Proxmox VE

Kubernetes

Job description

NorthMark Compute & Cloud seeks a Director of OT Engineering in Spartanburg County, SC to lead the full OT infrastructure stack. You will own Active Directory, IAM, and security appliances while guiding virtualization, storage, and OT networking in a regulated environment.

You will manage a team of OT engineers, collaborate with cybersecurity leadership, and drive multi‑year roadmaps, vendor management, and policy adherence to IEC 62443 and NIST standards.