Pascal H. Seguin
OT/ICS Grid Cybersecurity Engineer with program-building and team-leadership experience · CISSP, GIAC GRID, GIAC GCIP, CCNA · Calgary, Alberta, Canada
Download the CV (PDF) LinkedIn profile pascal@phseguin.ca
Summary
Grid cybersecurity engineer who builds and leads programs: first member of a utility cybersecurity team, owner of its NERC CIP program from design through audit, and lead for its control-system network redesign. Hands-on electric-sector background as a control-room operator, SCADA integrator and compliance manager, combined with formal training in human resource management. I drive compliance readiness, risk reduction and alignment between IT, OT and operations, and translate NIST 800-82 and IEC/ISA 62443 into procedures that operators can run.
Areas of expertise
Grid operator cyber expertise
Direct TSO and DSO experience: control-room operations, brownfield WAN/LAN and SCADA server designs, protection and control devices, support for NERC CIP audits and self-certification.
Compliance and regulation
Developed, implemented and operated a NERC CIP program for generation, transmission and distribution assets; drafted self-reports and mitigation plans and closed them; internal policies based on NIST 800-82.
Trusted advisor
Risk assessments and tailored security strategies for OT/ICS environments, explained in terms that resonate with engineers, operators and executives alike.
Cyber-physical grid modernisation
Defensible architectures and multi-year cyber-physical roadmaps for substations, micro-generation and interconnected grid infrastructure.
Experience
Siemens Energy, Digital Grid · OT/ICS Digital Grid Cybersecurity Engineer, Americas · 2025 to present · Calgary (remote)
- Deliver cyber-physical solutions with a compliance focus in the Grid Cybersecurity team: substation protection, grid resiliency and availability.
- Design and implement cybersecurity for interconnected grid infrastructure, including substations and wind turbines, with engineering and project teams.
- Support compliance with cybersecurity standards, document processes, and run research and development on current OT security technology.
City of Medicine Hat, Electric Transmission and Distribution · Systems Control Operator, Cybersecurity · 2022 to 2025 · Medicine Hat
- First member of the utility's cybersecurity team; built and operated the NERC CIP compliance program for generation, transmission and distribution, including self-reports and mitigation plans.
- Operational in the control room for the transmission and distribution system; supported and managed the SCADA network.
- Led the EOP-008 based architecture redesign of the T&D SCADA network; designed redundant data centre and control room, WAN, firewall and router redundancy, virtualisation, Active Directory integration, SIEM and syslog, EDR, and a private cellular network for T&D and IoT use cases.
- Wrote and implemented policies for device hardening, vulnerability management, supply-chain cyber risk, backup and recovery, business continuity and media handling; ran the hardening and patching and awareness programs.
- Utility project lead for AESO initiatives in energy management, metering, operations and communications; defined the technical roadmap for micro-generation integration.
- Assessments against NIST, NERC CIP and the CISA Cross-Sector Performance Goals; supported hiring and supervision of technical OT staff, students and contractors.
Deloitte · Cybersecurity Analyst, Infrastructure Security · 2021 to 2022 · Calgary
- Advised and operated client IT and OT environments: hardening programs for OT, DLP solutioning, compliance and assurance programs, SOC support with IDS, IPS and endpoint monitoring.
- Assessments and maturity reviews based on NIST and SANS frameworks; project management and statement-of-work documentation.
Boston Consulting Group · IT Specialist (contract) · 2020 to 2021 · Calgary
- Supported the Calgary office's IT services, technology testing and infrastructure upgrades, including remote operations during the COVID-19 pandemic.
CNOOC North America (formerly Nexen Energy), Long Lake · IT Field Technician (co-op) · 2018 to 2019 · Fort McMurray
- Supported over 300 users on site; member of the crisis response team for technical outages and site emergencies.
- Upgraded the AESO dispatch system for the cogeneration facility; supported the DCS server upgrade and Windows 10 deployment; network support for IT and automation networks, point-to-multipoint connectivity and Avaya IP Office deployment.
Volunteer work
- Search and Rescue, Medicine Hat · active member and director since 2023; facilitator of the tactical rope rescue team and the IT support team; led initiatives on digital tools and cybersecurity awareness.
- Scouts Canada, Southern Alberta · board member 2016 to 2022; led the executive committee supporting 11,000 members and built a youth leadership development framework used across Canada.
Education
- Bachelor of Computer Information Systems, Mount Royal University, Calgary (2021; Dean's List 2016, 2020, 2021)
- Business Administration Certificate, Human Resource Management, Mount Royal University (2021)
Certifications
Verify badges on Credly.