Senior OT Specialist: Industrial Networking & Cybersecurity

SmartRecruiters, Inc.; Vancouver; On-site; CAD 95,000 - 165,000; Full time

Job summary

SGS is seeking an experienced OT Specialist to own industrial infrastructure and cybersecurity across oil and gas operations. You will design, implement, and manage OT networks, remote communications, virtualization, and security tooling to ensure high availability and compliance across sites.

You will mentor junior team members, drive standards, and act as SME during projects, audits, and incident response. Occasional travel to onshore and offshore sites is required.

Qualifications

• 5+ years hands-on OT infrastructure experience in oil and gas or critical infrastructure.
• Strong practical knowledge of the Purdue Model and high-availability industrial network design.
• Proven experience with VSAT, radio, and cellular communications in remote or offshore settings.
• Solid Hyper-V and/or ESXi administration skills in operational environments.
• Working knowledge of OT cybersecurity standards (IEC 62443, NIST 800-82).
• Degree or diploma in a relevant technical discipline, or equivalent demonstrated experience.

Responsibilities

• Design and maintain OT network architectures in accordance with the Purdue Model.
• Implement and manage high-availability topologies — ring protocols (MRP, PRP, HSR) and redundant paths.
• Lead network assessments, capacity planning, and performance optimisation across plant and field networks.
• Own deployment and lifecycle management of remote communications (VSAT, radio, cellular).
• Manage Hyper-V and ESXi environments including cluster operations and DR planning.
• Drive patching strategies and firmware lifecycle management within change control frameworks.
• Enforce OT cybersecurity standards (IEC 62443, NIST 800-82).
• Mentor junior OT specialists and develop runbooks.
• Represent OT during cross-functional projects and capital planning.

Skills

OT infrastructure

Industrial networking

Purdue Model

Hyper-V

ESXi

OT cybersecurity

Education

Degree/diploma in technical discipline

CISSP

GICSP

CCNA/CCNP

VCP/MCSE

Tools

Claroty

Cyolo

Modbus

OPC UA

PROFINET

EtherNet/IP

Job description

SGS is seeking an experienced OT Specialist to own industrial infrastructure and cybersecurity across oil and gas operations. You will design, implement, and manage OT networks, remote communications, virtualization, and security tooling to ensure high availability and compliance across sites.

You will mentor junior team members, drive standards, and act as SME during projects, audits, and incident response. Occasional travel to onshore and offshore sites is required.