Maritime OT Security Architect – Product & Compliance

NACOS Marine; Hørsholm; On-site; DKK 900,000 - 1,350,000; Full time

Job summary

NACOS Marine is seeking a Senior Security Architect to own cybersecurity architecture across our product portfolio. You will define security posture, roadmaps, and serve as the go-to authority on product security across international teams.

You will translate OT and regulatory requirements into actionable guidance for engineers, product owners, and stakeholders, shaping security across design, development, and post-sale support.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• Senior-level security architecture experience in OT/industrial environments.
• Understanding of IEC 62443-3-3, IEC 61162-460, IACS E22/E26/E27; IT standards like IEC 27001/NIST is a plus.
• Hands-on with SIEM, EDR, firewalls, IDS, ML-based detection systems.
• Strong IT/OT network, OS, PLC, and database knowledge; cloud/hybrid experience.

Responsibilities

• Define and maintain OT product security architecture across the maritime portfolio.
• Develop long-term security roadmaps aligned with product strategy and threats.
• Drive adoption of modern security technologies and practices across the organization.
• Interpret security standards and translate into actionable requirements for teams.
• Engage with testing, compliance, engineering, and sales to embed security across lifecycle.

Skills

Security architecture

OT security

Regulatory compliance

Stakeholder comms

Cloud/hybrid

Education

Bachelor's or Master's degree in Computer Science or Engineering

Tools

SIEM

EDR

Firewalls

IDS

ML-based detection

Job description

NACOS Marine is seeking a Senior Security Architect to own cybersecurity architecture across our product portfolio. You will define security posture, roadmaps, and serve as the go-to authority on product security across international teams.

You will translate OT and regulatory requirements into actionable guidance for engineers, product owners, and stakeholders, shaping security across design, development, and post-sale support.