OT Cybersecurity Specialist

LinkGroup is hiring an OT Cybersecurity Specialist to protect operational technology and industrial control systems across global operations, including Poland and Norway.

• 6+ years of hands-on experience in cybersecurity, network engineering, or automation engineering within OT/ICS environments.
• Familiarity with industrial software including PLC engineering platforms, version control tools (e.g., versiondog, Octoplant), HMIs, and OPC/OPC UA protocols.
• Expertise in network security: switch/router configurations, firewall policy reviews, network segmentation (Purdue Model), system hardening, and industrial patch management.
• Strong understanding of international OT security standards such as ISA/IEC 62443 and NIST SP 800-82.

Certifications (Highly Desirable):

• OT/ICS Security certifications like SANS GICSP, ISA/IEC 62443 Risk Assessment Specialist, or GRID.

• General security certifications such as CISSP, CISM, or CRISC.

• Fluent English (written and spoken) with excellent presentation and technical writing skills.

• Ability to communicate complex security concepts to non-technical stakeholders and automation engineers.

• Flexibility to travel occasionally (up to 5%).

Secure Architecture & Engineering:

• Establish security baselines, design patterns, and architectural guidelines for ICS/IACS environments and lab networks.
• Define technical security strategies including HMI protection, application whitelisting, perimeter firewalls, and network segmentation.

Risk Assessment & Vulnerability Management:

• Execute risk-focused cybersecurity evaluations across production sites, remote locations, third-party systems, and vessel operations.
• Oversee threat assessments, vulnerability identification, and patch management for continuous OT environments.

Governance, Compliance & Documentation:

• Develop, review, and enforce industrial security policies, procedural standards, and governance frameworks.
• Author technical design reports and executive briefs for technical teams and senior leadership.
• Monitor KPIs for OT security program health and maturity.

Technology Implementation & Advisory:

• Evaluate, test, and implement specialized security tools for industrial networks.
• Provide domain expertise to product development and engineering teams ensuring secure-by-design solutions.
• Deliver cybersecurity awareness training tailored to automation engineers and operations staff.
• Monitor emerging cyber threats targeting industrial control systems and formulate mitigation plans.