OT Cybersecurity Engineer

NeoDyne; Cork; On-site; EUR 96,432 - 137,760; Full time

Benefits offered by this job

Competitive hourly rate

Paid overtime

Flexible working hours

Biopharma site project

NeoDyne network of engineers

Job summary

NeoDyne Ltd is seeking an experienced Senior OT Cybersecurity Engineer to support a national critical-infrastructure programme in Ireland. You will provide OT cybersecurity oversight across design, testing, and commissioning of upgraded control systems on a contract basis, working with engineering teams, system integrators and vendors.

The role requires knowledge of IEC 62443, NIS2, ISO 27001 and NIST, strong stakeholder management, and hands-on experience with FAT/SAT, network segmentation,

Qualifications

• Experience in OT/ICS cybersecurity within critical infrastructure environments.
• Knowledge of IEC 62443, NIS2, ISO 27001 and NIST frameworks.
• Ability to assess designs and advise engineering teams and vendors.
• Experience with FAT/SAT, commissioning and handover processes.
• Strong stakeholder management and supplier-challenge skills.

Responsibilities

• Provide OT cybersecurity oversight across major upgrade and integration projects.
• Review design specifications, architectures, and vendor documentation.
• Ensure cybersecurity requirements are embedded in control-system designs.
• Attend FAT/SAT and commissioning activities and witness testing.
• Develop risk assessments and cybersecurity test protocols.

Skills

OT/ICS cybersecurity

SCADA systems

PLCs/RTUs

Industrial firewalls

Remote access security

Network segmentation

System hardening

Cybersecurity monitoring

IEC 62443 knowledge

Job description

Overview

NeoDyne is a leading engineering company specialising in industrial automation, digital manufacturing, and electrical engineering solutions. With a strong presence across multiple sectors, including Life Sciences, Food & Beverage, and Energy, NeoDyne delivers leading-edge solutions that drive efficiency, safety, and performance for its customers worldwide.

Overview

NeoDyne is a leading engineering company specialising in industrial automation, digital manufacturing, and electrical engineering solutions. With a strong presence across multiple sectors, including Life Sciences, Food & Beverage, and Energy, NeoDyne delivers leading-edge solutions that drive efficiency, safety, and performance for its customers worldwide. With a team of 220+ skilled engineers, our expertise spans the entire project lifecycle, from design and implementation to commissioning and operations. From our offices in Ireland, the UK, Romania, and the US, we operate on a global scale, combining technical expertise with local delivery. We support customers across Europe, North America, and Asia, delivering tailored engineering services that drive long-term success. NeoDyne is seeking an experienced Senior OT Cybersecurity Engineer to support a national critical-infrastructure organisation undertaking a significant programme of infrastructure upgrades and system integrations on a contract basis with very attractive rates. The successful candidate will provide OT cybersecurity oversight throughout the design, implementation, testing and commissioning of new infrastructure and enhanced control systems. Working alongside internal engineering teams, system integrators, equipment vendors and project stakeholders, they will ensure that cybersecurity requirements are appropriately considered and implemented as new equipment and systems are introduced into the operational environment. This is a project-focused role involving the review of technical and design documentation, assessment of proposed control-system architectures, participation in design reviews, and attendance at Factory Acceptance Testing and on-site testing and commissioning activities.

Key Responsibilities

• Provide OT cybersecurity oversight across major infrastructure upgrade and integration projects.
• Review design specifications, system architectures, network designs and vendor documentation from an OT cybersecurity perspective.
• Ensure cybersecurity requirements are incorporated into the design and integration of new control systems, equipment and supporting infrastructure.
• Assess the secure integration of new equipment into existing OT networks and operational environments.
• Participate in design reviews and provide practical cybersecurity guidance to project teams, system integrators and equipment vendors.
• Review network segmentation, firewall requirements, remote-access arrangements, user access controls and system-hardening measures.
• Attend and witness Factory Acceptance Testing, Site Acceptance Testing and commissioning activities.
• Verify that agreed cybersecurity controls and requirements have been implemented and appropriately tested.Identify cybersecurity risks, design gaps and non-conformances, and support their resolution throughout the project lifecycle.
• Review supplier and system-integrator cybersecurity deliverables and challenge proposed solutions where necessary.
• Support the development and review of cybersecurity test protocols, risk assessments and system handover documentation.
• Ensure project solutions align with the organisation's OT cybersecurity standards and relevant frameworks, including IEC 62443, NIS2, ISO 27001 and NIST.
• Work closely with engineering, operations, IT, OT and cybersecurity stakeholders to ensure new systems can be safely transitioned into the live operational environment.

Required Experience & Skills

• Strong experience in OT/ICS cybersecurity within critical infrastructure, utilities, energy or another highly regulated industrial environment.
• Good understanding of industrial control systems, including PLCs, RTUs, SCADA systems and associated communications infrastructure.
• Experience reviewing control-system designs, network architectures and technical specifications.
• Understanding of OT network segmentation, industrial firewalls, secure remote access, access control, system hardening and cybersecurity monitoring.
• Experience supporting engineering projects through design, FAT, SAT, commissioning and handover.
• Working knowledge of IEC 62443 and other relevant cybersecurity standards and frameworks.
• Ability to assess technical designs, identify cybersecurity risks and communicate practical recommendations to engineering teams and vendors.
• Strong stakeholder-management skills, with the confidence to challenge suppliers and system integrators where requirements have not been adequately addressed.

Characteristics

• Work well as part of a team.
• Have excellent problem solving and diagnostic skills.
• Can complete tasks independently, capable of self-learning.
• Can prioritise and coordinate work.
• Have excellent customer service, interpersonal, communication and organisational skills.
• Can multitask and work well under pressure.
• Are a strategic business thinker.

What's On Offer

• Competitive hourly rate based on experience
• Paid overtime available, depending on project demands
• Flexible working hours may be accommodated in line with project requirements
• Opportunity to work on a high-profile biopharma site with a collaborative, technically strong team
• Chance to be part of NeoDyne's network of engineering professionals, contributing to impactful automation solutions in critical infrastructure initiatives.

NeoDyne Ltd is an equal opportunity employer, and all applications will be treated in strictest confidence.

Applicants must hold a valid EU passport or have the legal right to work in Ireland (e.g. Stamp 4).