Technical Specialist (Mechanical), Dublin

PACC Offshore Services Holdings Limited; Dublin; On-site; EUR 60,000 - 90,000; Full time

Job summary

PACC Offshore Services Holdings Limited in Dublin seeks a Technical Specialist (Mechanical) to provide hands-on support in a live data centre environment. You will lead maintenance, coordinate subcontractors, and train site staff to ensure continuous uptime and safety across critical facilities.

The role requires a strong mechanical background in HVAC, AHU and chilled water systems, with experience in mission-critical environments and strong communication under pressure.

Qualifications

• Trade qualification or degree in Mechanical or Electrical Engineering.
• Strong mechanical background in HVAC, AHU, chilled water systems.
• F-Gas registration desirable.
• Experience in live data centres or mission-critical facilities preferred.
• Proficient in Microsoft Office tools.

Responsibilities

• Maintain continuous uptime of critical systems through hands-on technical support.
• Lead scheduled and reactive maintenance activities; ensure compliance via the DFM platform.
• Coordinate maintenance and activities within the Data Centre, prioritising tasks.
• Review RAMS, manage work permits and safety documentation.
• Oversee day-to-day operations and live activities across the facility.
• Supervise contractors ensuring adherence to site procedures and safety standards.
• Deliver technical training to site staff and run readiness drills.
• Assist in creation/review of SOPs, EOPs, MOPs; participate in drills.
• Maintain records of shift activity, work orders, and system performance.
• Promote health and safety compliance and PPE usage.
• Support emergency response and commissioning works as required.

Skills

Mechanical Eng

HVAC

AHU

Chilled water

BMS/SCADA

Safety compliance

Education

Degree in Mechanical or Electrical Engineering

Tools

Excel

Word

PowerPoint

Job description

Technical Specialist (Mechanical), Dublin Job Description Technical Specialist (Mechanical), Dublin Posting Start Date: 23/10/2026 Country/Region: Ireland Work Location: Dublin Ballycoolin Business Park Business/ Function: K2 Req ID: 889

Purpose of the Role

To provide specialist technical support, training, and oversight within a live critical environment, ensuring continuous 24/7/365 operational support across a production data centre facility. The Technical Specialist plays a key role in emergency response, system maintenance & staff training. Responsibilities include daily planning and coordination of critical activities, ensuring full visibility and coverage across the site. All maintenance-related documentation and vendor paperwork aligned with the approved annual subcontractor schedule must be prepared and validated in advance to support the operational team. The Technical Specialist is accountable for ensuring these processes are implemented consistently across multiple facilities.

Responsibilities

• Maintain continuous uptime of critical systems through hands-on technical support and proactive supervision.
• Lead scheduled and reactive maintenance activities; ensure full compliance via the DFM platform.
• Coordinate ongoing maintenance and activities within the Data Centre for facilities. During your day you will have full overview & awareness of all activities and, in conjunction with operations teams, will prioritize these activities.
• Review and approve subcontractor Risk Assessments and Method Statements (RAMS); manage work permits.
• Coordinate and oversee day-to-day operations and live activities across the facility.
• Supervise contractors and vendors, ensuring adherence to site procedures and health & safety standards.
• Deliver technical training to site staff and lead regular scenario-based "game day" readiness drills.
• Assist in the creation and review of SOPs, EOPs, and MOPs; ensure team participation in operational drills.
• Maintain accurate records of shift activity, work orders, and system performance via DFM and logs.
• Actively promote health and safety compliance; enforce the use of PPE and elevate safety concerns.
• Support emergency response efforts and commissioning works where required.

Site Interface & Behaviour Expectations

• Maintain a professional and customer-focused presence
• Work collaboratively with internal teams, vendors, subcontractors, and client reps
• Be available to support shift cover during unexpected absence or operational demand.
• Comply with all K2 operational, safety, and environmental standards.
• Committed to the delivery of excellent customer service.
• Calm Manner, able to work under pressure.
• Self-motivated, ability to work on own initiative.
• Punctual and reliable.
• Good attention to detail.
• A team player, able to work with colleagues and clients staff at all levels.

Working environment entails

• Walking job sites which have areas of uneven terrain.
• Work at heights.
• Regularly lift and/or move items and participate in group lifts.
• Work shifts longer than eight hours in duration.
• Co-ordinate body movements when using tools or equipment.
• May require bending or twisting the body to access equipment while working.
• Involves performing physical tasks all day.
• Use hands to manipulate small wires and objects.
• Push or pull objects into position.
• Work in a noisy environment.
• Work in confined spaces.

Skills & Qualifications

• Relevant trade qualification or degree in Mechanical or Electrical Engineering
• Strong mechanical background essential – experience with HVAC, AHU, Process water Systems & mechanical plant operation in critical environments.
• F-Gas registered highly desirable
• Proven experience working in live data centres or mission-critical facilities (highly desirable).
• Good working ability on Microsoft Office Products, in particular Excel, Word, Outlook and PowerPoint
• Understanding of:
  • AHUs and ventilation systems
  • Cooling Systems
  • Process Water Systems
  • Chilled water plant and pumps
  • MV/LV electrical distribution
  • BMS/SCADA control platforms
  • Excellent skills in fault diagnosis, report writing, Computer Skills and clear communication under pressure