POSITION SUMMARY

NeoDyne is seeking a highly experienced OT Security & Integration Consultant to support one of our key client sites on a contract basis. The successful candidate will work closely with the NeoDyne team and play a critical role in delivering automation expertise through remote working and across the Dublin based site.
This role is responsible for supporting a high-impact public sector project. This role blends operational technology awareness, security best practices, and systems integration experience, with a strong focus on stakeholder engagement and programme coordination.

EXPERIENCE & SKILLS

Required

• Minimum 5 years of experience in Operational Technology (OT) or industrial control system (ICS) environments.
• Demonstrated experience in systems integration, particularly in safety-critical or regulated sectors.
• Working knowledge of IEC 62443 standards, including:
• Understanding of system security architecture principles.
• Familiarity with concepts like zones and conduits, security levels, foundational requirements, and security policies & procedures.
• Experience applying IEC 62443-2-1 (security program requirements) and/or 62443-3-3 (system security requirements and security levels).
• Experience supporting or advising on compliance, risk assessments, or segmentation strategies within OT networks.
• Comfortable working in or with public sector or regulated enterprise environments.

Desired

• Awareness of other frameworks and standards such as NIST 800-82, ISO 27001, NIS2, or BS EN 5015x series.
• Certifications such as CISM, CISA, CISSP, or vendor-specific OT certifications (Schneider, Siemens, etc.).
• Experience working with or advising multi-disciplinary teams on security implementations in brownfield or legacy OT environments.

• Collaborate with the client’s Cybersecurity and IT teams to support OT security initiatives in a safety-critical operational environment.
• Provide integration support across OT systems, ensuring alignment with enterprise security requirements and public sector policies.
• Serve as a bridge between technical stakeholders, vendors, and business leaders, promoting clarity, coordination, and accountability.
• Support the assessment and implementation of OT cybersecurity practices in line with IEC 62443 and other relevant standards.
• Guide the client in applying IEC 62443 concepts such as security levels, zones and conduits, and defense-in-depth strategies.
• Contribute to the development of policies and procedures that reflect secure-by-design principles within OT and IACS environments.
• Attend client site two days per week in line with the remote working policy; maintain a professional and responsive presence both on-site and remotely.