Senior Cybersecurity Professional – Operations Systems Support

Role Overview

• Review and stay current on NIS 2, CER Directive regulations and industry cybersecurity trends.
• Identify potential NIS 2 and CER Directive compliance gaps across SCADA, NMS and other OT systems and develop mitigation plans; support mitigation programmes to implement and track these plans.
• Support ongoing monitoring to ensure OT cybersecurity processes and technical controls continue to meet NIS 2 and CER compliance requirements.
• Assist in preparing documentation required for governance and NIS 2 compliance audits.
• Support interactions with internal audit teams and external regulatory bodies during audits, assessments or required meetings.
• Provide status reports and metrics that give clear visibility of overall cybersecurity posture and NIS 2 and CER Directive compliance.
• Coordinate with OSS teams, Corporate Cybersecurity, Telecoms and IT teams to ensure OT processes and technical solutions meet cybersecurity standards.
• Work with cross‑functional teams on cybersecurity incidents, issue resolution and improvement initiatives.
• Work closely with vendors to complete system reviews, vulnerability assessments, mitigation activities and other cybersecurity tasks.
• Support DMSO and OT Delivery in the delivery of OT cybersecurity projects.
• Assist with system upgrades including patching, hardening and security configuration changes.
• Monitor OT system alert logs to proactively identify emerging risks and initiate timely remediation actions.
• Support cybersecurity risk assessments for new and existing OT systems.
• Review and maintain OT runbooks and Disaster Recovery plans.
• Support the management and upkeep of network device inventories and configuration baselines for OT environments.
• Provide support to the OSS Cybersecurity Lead on operational and compliance activities.
• Provide OT cybersecurity subject matter expertise to operational teams.

Requirements

• Minimum of 5 years’ work experience in an OT cybersecurity role
• 3rd level qualification in the relevant field or relevant work experience
• Strong knowledge of IT/OT security principles, technologies and industry best practices
• Excellent analytical and problem-solving abilities
• Proven ability to work both independently and collaboratively to identify root causes and develop effective solutions with minimal oversight
• Strong organisational skills with the capability to manage multiple assignments and meet deadlines.
• Engineering or Cybersecurity background with experience working in an Electrical, Telecoms or Control and Instrumentation discipline (Desirable)
• Certification or relevant experience in ISO 27001, ISO 9001, IEC 62443, NERC CIP, NIS‑2, NIST SP 800‑82, NIST SP 800‑53 and the Purdue Enterprise Reference Architecture (Desirable)
• CISSP or equivalent certification (Desirable)
• Experience in cybersecurity policies, standards and procedures within an Operational Technology environment (Desirable)
• Knowledge of typical SCADA and NMS Operational Technologies (Desirable)
• Understanding of network architecture and topologies (Desirable)
• Ability to perform monitoring and troubleshooting of cybersecurity issues (Desirable)
• Experience implementing or working to IT/OT security standards (Desirable)
• Experience developing security policies, standards and procedures (Desirable)
• Familiarity with threat intelligence, vulnerability assessment, identity management and incident response (Desirable)
• Ability to proactively research and maintain awareness of the evolving cyber‑threat landscape (Desirable)

Tech Stack

• Cyber Security

Benefits

• Opportunity to lead Ireland’s transition to net zero carbon future
• Career development through mentoring and training
• Corporate Social Responsibility Opportunities
• Sports and Social Clubs
• Networking opportunities
• Credit Union
• Generous Pension
• Access to staff well-being programmes
• Generous parental leave entitlements
• Strong values-based and inclusive culture
• Strong commitment to diversity, equity and inclusion
• Great team environment working to our Core Values: Courageous, Caring, Driven and Trusted