OT Cybersecurity Engineer – Nordic & UK (Travel)

St1 Nordic Oy; Helsinki; On-site; EUR 90,000 - 120,000; Full time

Job summary

St1 Nordic Oy in Helsinki seeks an OT Cybersecurity Engineer to help secure critical energy infrastructure across the Nordics and UK. You will lead the site-by-site rollout of our OT cybersecurity architecture and act as a key defender of OT security.

You will set standards in line with ISO/IEC 27001, IEC 62443, CIS 18 Controls and NIS2, working across IT/OT to specify and validate controls, guide vendors, and advise the CISO and operations.

Qualifications

• Experience implementing OT cybersecurity at large production sites.
• Knowledge of OT constraints vs IT security.
• CISSP or equivalent certification and hands-on advisory skills.

Responsibilities

• Drive site-by-site rollout of OT cybersecurity architecture.
• Set and maintain OT security standards aligned to ISO/IEC 27001, IEC 62443, CIS 18 Controls, and NIS2.
• Work hands-on across IT and OT infrastructure to specify and validate controls.
• Guide OT vendors and challenge them when needed.
• Be the trusted OT security advisor to the CISO, site teams, refinery and retail ops across the Nordics.

Skills

OT cybersecurity

Governance

Vendor management

CISSP

English fluency

Multi-site exposure

Nordic travel

Job description

St1 Nordic Oy in Helsinki seeks an OT Cybersecurity Engineer to help secure critical energy infrastructure across the Nordics and UK. You will lead the site-by-site rollout of our OT cybersecurity architecture and act as a key defender of OT security.

You will set standards in line with ISO/IEC 27001, IEC 62443, CIS 18 Controls and NIS2, working across IT/OT to specify and validate controls, guide vendors, and advise the CISO and operations.