Senior OT Security Lead — Industrial Control Systems

Ørsted Bioenergy & Thermal Power A/S; København; On-site; DKK 900,000 - 1,300,000; Full time

Job summary

Ørsted Bioenergy seeks a Senior OT Security Officer to strengthen security, resilience, and compliance across OT, IT, engineering, and operations. You will translate cyber risk into business and safety impacts and work within multi-site, international environments.

You’ll collaborate with a small Danish team, emphasize practical controls aligned with safety and availability, and support secure OT architecture and governance.

Qualifications

• Hold a relevant degree in Engineering, Computer Science, Cyber Security, Information Technology, Automation, or equivalent practical experience.
• Understand and operate in ICs systems and 24/7 production environments.
• Familiarity with IT networks (Purdue model, firewall, data diodes).
• Knowledge of IEC 62433, ISO 27001, and Lov om styrket Beredskab i Energisektoren as applicable to our operations.

Responsibilities

• Lead the development and continuous improvement of OT security governance, policies, standards, and procedures.
• Assess, manage, and reduce cyber risk across OT environments (industrial control systems, SCADA, PLCs, IIoT).
• Define and support secure OT architecture (network segmentation, secure remote access, asset visibility, logging, monitoring, vulnerability management).
• Conduct OT security risk assessments, gap analyses, and maturity reviews aligned with recognized frameworks and legislation.
• Partner with operations, engineering, maintenance, IT, and vendors to ensure practical, risk-based security controls.
• Drive OT security awareness and training for technical and operational teams.

Skills

Team collaboration

Bilingual Danish/English

Education

Relevant degree in Engineering/Computer Science/Cyber Security/Information Technology/Automation

Job description

Ørsted Bioenergy seeks a Senior OT Security Officer to strengthen security, resilience, and compliance across OT, IT, engineering, and operations. You will translate cyber risk into business and safety impacts and work within multi-site, international environments.

You’ll collaborate with a small Danish team, emphasize practical controls aligned with safety and availability, and support secure OT architecture and governance.