Senior IT Operations Engineer

Hollybank Trustees Ltd; Dublin; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

GP Refund Scheme for employees

Defined Contribution Pension Scheme

Job summary

Dublin Port Company is seeking a Senior IT Operations Engineer in Dublin. You will own the availability, security and performance of the IT estate, directing MSPs and leading infrastructure projects end-to-end. The role balances run and change with operational leadership and hands-on delivery.

Reporting to the CTO, you will manage first-line support transitions, ensure security controls, disaster recovery and regulatory compliance while collaborating with business units and external partners.

Qualifications

• Level 8 degree (or equivalent) in IT, computing or engineering, or equivalent demonstrable professional experience.
• Seven or more years in IT infrastructure and operations, with at least three at senior level.
• Enterprise virtualization - VMware, Hyper‑V, Nutanix, Proxmox VE or equivalent - including clustered or multi‑site configurations.
• Microsoft 365 tenancy administration, Entra ID, Windows Active Directory and hybrid Exchange.
• Cloud platform delivery and administration (Azure or AWS).
• Enterprise networking: routing, switching, VLANs, firewalls and network segmentation.
• Practical cybersecurity delivery - SOC or MDR services, firewall management, segmentation, Zero Trust.
• Database administration and query skills (SQL, NoSQL, Oracle or equivalent).
• Backup, disaster recovery and 24×7×365 real‑time solution support.
• Managing outsourced service providers: SLA administration, escalation and performance management.
• Leading technical projects to time, cost and quality without formal line authority.
• ITIL‑aligned service management and ISO/IEC 27001 or 20000 (or equivalent) working practice.
• Strong written and verbal communication, with the ability to document and explain technical content clearly.
• Operational Technology exposure: CCTV, VTS, automated mooring, machine networks, sensor and telemetry monitoring.
• OT and critical infrastructure security frameworks - IEC 62443, NIS2, DORA or equivalent.
• Data analysis and visualisation (SQL, Power Query, Power BI or equivalent).
• Storage and SAN configuration.
• Automation and scripting (PowerShell, infrastructure as code, containerisation).

Responsibilities

• Infrastructure and Platform Operations: Own admin, monitoring, patching and capacity across servers, virtualization, storage, network and cloud platforms.
• Maintain backup, disaster recovery and business continuity arrangements with tested procedures.
• Administer Microsoft 365 tenancy, Entra ID, AD and hybrid Exchange.
• Lead infrastructure, cloud, security and application projects: requirements, design, build, test, handover.
• Produce technical documentation, runbooks and as‑built records for supportability.
• Apply change control to protect operational stability.
• Guide projects from development and test into production.
• Act as service owner for outsourced first‑line support and device provisioning; manage SLAs.
• Monitor service performance, incidents and trends; drive corrective actions with providers.
• Contribute to procurement, contract renewal and vendor negotiation.
• Implement security controls: identity, endpoints, firewalls and Zero Trust.
• Support NIS2, GDPR, ISO/IEC 27001/20000 practices.
• Identify IT/OT risks and elevate to CTO with proportional controls.
• Participate in incident response including out‑of‑hours threats.
• Provide third‑line support for business applications; tune databases; assist with data viz.
• Work with business to specify enhancements and reporting needs.
• Build relationships and translate tech to non‑tech colleagues.
• Lead projects to time/cost/quality without formal line authority.
• Follow ITIL aligned service management and security frameworks.

Skills

IT infrastructure management

Leadership

Project coordination

Communication skills

Education

Level 8 degree in IT/Computing/Engineering

Tools

VMware

Hyper‑V

Nutanix

Proxmox VE

Microsoft 365

Entra ID

Active Directory

Hybrid Exchange

Azure

AWS

Networking (firewalls, VLANs)

ITIL ISO standards

SQL/NoSQL/Oracle

Job description

Location: Hybrid / North Wall, Dublin, Co. Dublin, D03 Y6A2, Ireland
job type: Permanent / Full-time
Sector and subsector: IT | Support & Infrastructure
Salary: Negotiable salary

Senior IT Operations Engineer

Dublin Port, Dublin, Ireland

Reporting to: Chief Technology Officer

About Us

Dublin Port is one of Ireland’s most essential pieces of national infrastructure, handling €165bn of trade and 1.7mn passengers annually. As Ireland's largest and busiest port, Dublin Port plays a critical role in the country's economy and international connectivity, supporting exporters and ensuring homes and businesses across Ireland have what they need for daily life.

Overview

Dublin Port Company is moving first-line support, helpdesk triage and end-user device provisioning to a managed service. This role will strengthen senior engineering capacity in a small in-house team facing a growing project delivery pipeline. The Senior IT Operations Engineer owns the availability, security and performance of DPC's IT estate, directs the MSPs who deliver day-to-day support, and personally leads infrastructure and application projects from design through to handover into service. The role is deliberately balanced between run and change: assured operations and vendor performance on one side, hands‑on project delivery on the other.

Why Join Us?

• Work in an inclusive, values-driven organisation committed to diversity and sustainability.
• Access to professional development and growth opportunities.
• GP Refund Scheme for employees.
• Defined Contribution Pension Scheme.

Key Responsibilities

Infrastructure and Platform Operations

• Own the administration, monitoring, patching and capacity of servers, virtualisation, storage, network and cloud platforms across both sites.
• Maintain backup, disaster recovery and business continuity arrangements, and prove them through scheduled testing.
• Administer the Microsoft 365 and Entra tenancy, on-premises Active Directory and the hybrid estate.

2.Project Delivery

• Lead assigned infrastructure, cloud, security and application projects: requirements, design, procurement input, build, testing, cutover and handover into support.
• Produce the technical documentation, runbooks and as-built records that make systems supportable by others.
• Apply structured change control so that project work does not compromise operational stability.
• Guide projects from Development and Test into Production

3.Managed Service and Vendor Management

• Act as service owner for outsourced first-line support, end-user computing and device provisioning: set expectations, manage escalations and hold providers to SLA.
• Monitor and report service performance, incident and problem trends, and drive corrective action with providers.
• Contribute to procurement, contract renewal and commercial negotiation with technology suppliers.

4.Security, Risk and Compliance

• Implement and maintain technical security controls - identity and access, endpoint, firewalls, network segmentation and segregation, and Zero Trust principles.
• Support DPC's obligations under NIS2 and GDPR, working to ISO/IEC 27001 and ISO/IEC 20000 practice.
• Identify IT and OT-adjacent risks, design proportionate controls, and elevate residual risk to the CTO.
• Participate in incident response, including out-of-hours response to threats against operationally critical systems.

5.Applications, Data and Stakeholders

• Provide third‑line support for business applications and their integrations; carry out database administration including tuning, backup, recovery and access control.
• Work with business functions to specify and implement system enhancements, and support management reporting and data visualisation.
• Build credible working relationships across the business and translate technical issues into plain language for non-technical colleagues.

Qualifications

• Level 8 degree (or equivalent) in IT, computing or engineering, or equivalent demonstrable professional experience.
• Seven or more years in IT infrastructure and operations, with at least three at senior level.
• Enterprise virtualisation - VMware, Hyper‑V, Nutanix, Proxmox VE or equivalent - including clustered or multi‑site configurations.
• Microsoft 365 tenancy administration, Entra ID, Windows Active Directory and hybrid Exchange.
• Cloud platform delivery and administration (Azure or AWS).
• Enterprise networking: routing, switching, VLANs, firewalls and network segmentation.
• Practical cybersecurity delivery - SOC or MDR services, firewall management, segmentation, Zero Trust.
• Database administration and query skills (SQL, NoSQL, Oracle or equivalent).
• Backup, disaster recovery and 24×7×365 real‑time solution support.
• Managing outsourced service providers: SLA administration, escalation and performance management.
• Leading technical projects to time, cost and quality without formal line authority.
• ITIL‑aligned service management and ISO/IEC 27001 or 20000 (or equivalent) working practice.
• Strong written and verbal communication, with the ability to document and explain technical content clearly.
• Operational Technology exposure: CCTV, VTS, automated mooring, machine networks, sensor and telemetry monitoring.
• OT and critical infrastructure security frameworks - IEC 62443, NIS2, DORA or equivalent.
• Data analysis and visualisation (SQL, Power Query, Power BI or equivalent).
• Storage and SAN configuration.
• Automation and scripting (PowerShell, infrastructure as code, containerisation).
• Experience in ports, logistics, marine transportation, utilities or another critical infrastructure sector.
• Public sector or semi‑state procurement experience.

The Dublin Port Environment

• A VMware / Dell stretched cluster across two sites, alongside cloud and SaaS platforms.
• A corporate network built on DPC‑owned fibre across the port estate.
• Microsoft 365 tenancy - Entra ID, hybrid Exchange, Teams and SharePoint - with on‑premises Active Directory.
• Core business systems: VTS (Vessel Tracking System), PMIS (Port Management Information System), ERP (Integra Centros), HR SaaS, CCTV, SaaS service desk.
• Delivery partners under managed service and support contracts.
• A regulated environment: NIS2, GDPR, and OT systems supporting 24/7 port operations.

Equal Opportunity Employer

Dublin Port Company is an equal opportunities employer. We are committed to creating a workplace that promotes diversity and inclusion, and we welcome applications from all suitably qualified candidates.