Senior Operational Technology Cyber Security Jobs

FocusPoint is recruiting for a senior Operational Technology (OT) Cybersecurity Architect on behalf of a confidential client in the industrial infrastructure sector. This role is ideal for an experienced OT security leader who excels at designing secure architectures for complex, safety‑critical environments.

The architect will guide cybersecurity strategy across pipelines, terminals, storage facilities, and industrial control systems. This position directly influences operational reliability, modernization efforts, and long‑term critical‑infrastructure protection.

The OT Cybersecurity Architect will define secure reference architectures, establish standards, and ensure industrial operations remain safe, resilient, and highly available. You will collaborate with Operations Technology, Engineering, Network, Cloud, Security Operations, and external partners to reduce cyber risk without disrupting uptime.

This role requires deep expertise in ICS/SCADA environments and a strategic mindset capable of shaping enterprise‑level OT security direction.

• Build and maintain enterprise OT cybersecurity architecture and long‑term roadmaps.

• Define secure architectures for pipeline, terminal, storage, and industrial environments.

• Establish OT cybersecurity standards, design principles, and segmentation strategies.

• Architect secure solutions for SCADA, DCS, PLCs, RTUs, HMIs, SIS, historian systems, engineering workstations, and industrial IoT/edge platforms.

• Implement secure IT/OT integration, industrial DMZs, firewalls, jump servers, vendor access, and industrial wireless networks.

• Lead Zero Trust adoption within OT environments.

• Provide architectural guidance for IDS/NDR, OT asset discovery, vulnerability management, SIEM integration, and passive monitoring technologies.

• Support incident response, forensic investigations, and post‑incident architecture improvements.

• Conduct OT architecture risk assessments and develop compensating controls where operational constraints exist.

• Evaluate emerging OT cybersecurity technologies and lead proof‑of‑concept initiatives.

• Present architecture recommendations to engineering leadership and executive stakeholders.

• Ensure alignment with industry frameworks such as NIST CSF, ISA/IEC 62443, and CIS Controls.

• Bachelor’s degree in Cybersecurity, Engineering, Computer Science, or related field (or equivalent experience).

• 8+ years in OT, ICS, or industrial cybersecurity.

• 3+ years designing enterprise or industrial cybersecurity architectures.

• Experience securing pipeline, terminal, refinery, manufacturing, or critical‑infrastructure environments.

• Strong background with SCADA, PLCs, HMIs, RTUs, and industrial communication protocols.

• Proven experience designing secure industrial network architectures and IT/OT segmentation.

• Experience supporting highly available, safety‑critical operational environments.

• ISA/IEC 62443

• CISSP

• CISM

• Microsoft Cybersecurity Architect Expert (SC‑100)

• CCNP Security

• Fortinet NSE

• Highly available and resilient OT environments.

• Effective IT/OT segmentation and secure modernization.

• Reduced cyber risk across industrial operations.

• Increased visibility into OT assets and events.

• Strong collaboration between Cybersecurity, Engineering, and Operations.

• Positive outcomes in audits, assessments, and regulatory reviews.

This position plays a central role in protecting critical infrastructure systems. The architect will help secure industrial operations, support modernization initiatives, and ensure OT environments remain reliable and future ready.

Why Work with FocusPoint
As a trusted staffing partner to industry-leading companies, FocusPoint provides access to roles that align with your professional goals, and we advocate for your success throughout the recruitment process. Our team understands appropriate skillsets and takes a consultative approach ensuring that each match is grounded in both experience and fit.

How to Apply
To ensure confidentiality and alignment with our client’s hiring process, all applications must be submitted through FocusPoint. Please do not attempt to contact the client directly. Interested candidates should reach out to FocusPoint’s recruitment team with any questions.