Chief OT Engineering & Infrastructure Leader

northmark; Spartanburg (SC); On-site; USD 180,000 - 260,000; Full time

Job summary

NorthMark Compute & Cloud (NMC²) in Spartanburg County, SC seeks a Director of OT Engineering to provide strategic leadership across OT infrastructure, security, and operations. The role requires deep cross-domain expertise spanning identity, access management, virtualization, and storage within OT/ICS environments.

You will lead a team of OT engineers, own AD/Entra ID, IAM, and security architectures, shape multi-year roadmaps, ensure IEC 62443/NIST alignment, and collaborate with OT

Qualifications

• 15+ years infrastructure engineering with 8+ years in OT/ICS or critical infrastructure in senior/leadership capacity.
• Experience with hybrid identity architectures: Azure AD / Entra ID, CA, Entra Connect, PIM.
• Familiarity with OT/ICS network architecture, industrial protocols, and engineering constraints.
• Certifications preferred: MCSE, VCP, CISSP, or equivalent.

Responsibilities

• Define and execute the OT engineering strategy and multi-year infrastructure roadmap aligned with operational and security objectives.
• Provide senior technical leadership and people management to a team of OT infrastructure, endpoint, and systems engineers.
• Own the enterprise Active Directory and hybrid Azure AD / Entra ID architecture for OT environments, governing identity lifecycle and privileged access.
• Lead IAM strategy for OT environments including RBAC, MFA, PAM, and service account governance.
• Oversee design, deployment, and management of security appliances within OT infrastructure: NGFWs, NAC, IPS, and web application firewalls.
• Direct the organisation's OT virtualization platforms including VMware vSphere/ESXi, Proxmox VE, and Kubernetes.
• Own the enterprise storage strategy for OT environments: SAN, NAS, object storage, and backup architectures.
• Ensure all engineering platforms comply with IEC 62443, NIST SP 800-82, CIS Benchmarks, and organizational security policies.
• Lead disaster recovery and business continuity planning, testing, and execution for OT systems.
• Collaborate with the Director of OT Cybersecurity to integrate engineering infrastructure into the broader OT security architecture.
• Manage vendor relationships, licensing, support contracts, and procurement.
• Establish and enforce change management, configuration management, and documentation standards.
• Drive team capability development through structured training, mentoring, and certification programs.
• Produce executive-level reporting on infrastructure health, capacity, risk, and programme status.
• Lead cross-functional engineering projects involving OT network, cybersecurity, endpoint, and operational teams.

Skills

Active Directory design & governance

Azure AD / Entra ID

RBAC, MFA & PAM

OT/ICS security standards

VMware vSphere/ESXi

Kubernetes in OT

Security appliances (NGFW/NAC/IPS)

Education

Bachelor's degree in Computer Science, IT, Electrical Engineering, or related field

Tools

VMware vSphere/ESXi

Proxmox VE

Kubernetes

OpenStack (OT context)

Prometheus/Grafana (observability)

Job description

NorthMark Compute & Cloud (NMC²) in Spartanburg County, SC seeks a Director of OT Engineering to provide strategic leadership across OT infrastructure, security, and operations. The role requires deep cross-domain expertise spanning identity, access management, virtualization, and storage within OT/ICS environments.

You will lead a team of OT engineers, own AD/Entra ID, IAM, and security architectures, shape multi-year roadmaps, ensure IEC 62443/NIST alignment, and collaborate with OT