Critical MechanicalShift Engineer : GBP 52,000 : Essex
; Location: Essex
; Salary: GBP 52,000
; Hours: Continental Shift Pattern (Days and Nights)
We are currently recruiting for an experienced CriticalShift Engineer (Mechanical Bias) to join a leading facilities management provider supporting a mission:critical data centre in Essex.
This is an outstanding opportunity to work within a high:availability, critical environment where uptime, resilience, and operational excellence are paramount. You'll join a business that genuinely values its engineers - offering structured progression, continuous training, and strong leadership committed to long:term career development within the data centre sector.
Key Responsibilities:
: Carry out Planned Preventative Maintenance (PPM) and reactive maintenance across critical mechanical infrastructure.
: Respond rapidly to plant failures and critical alarms to ensure maximum uptime and resilience.
: Operate and maintain mechanical systems including CRAC/CRAH units, chillers, cooling towers, pumps, pressurisation units, expansion vessels, and associated pipework.
: Fault:find on chilled water systems, HVAC plant, UPS cooling systems, and water treatment equipment.
: Monitor and operate Building Management Systems (BMS) and DCIM systems (Head End experience advantageous).
: Support critical environment compliance, including permit to work systems, risk assessments, and method statements.
: Conduct routine plant inspections, log readings, and ensure all statutory compliance tasks are completed.
: Work collaboratively with electrical engineers and site teams to maintain Tier:level operational standards.
: Ensure all works are carried out in accordance with health and safety regulations and data centre best practices.
Requirements:
: City and Guilds Level 3 (or equivalent) in Mechanical Engineering, HVAC, Plumbing and Heating, or related discipline.
: Minimum 3 years' experience within critical environments (data centres, hospitals, banking, or high:availability sites preferred).
: Strong mechanical fault:finding and diagnostic ability within live plant rooms.
: Experience working on chilled water systems and large:scale HVAC infrastructure.
: Understanding of critical cooling infrastructure and redundancy (N+1 / 2N configurations desirable).
: Positive, proactive approach with the ability to remain calm under pressure.
What's On Offer:
: GBP 52,000 Salary
: Continental shift pattern (work:life balance built into rota)
: Annual leave + bank holidays
: Free on:site parking
: Company pension and private healthcare
: Industry:leading data centre training and career development
: Clear progression pathway into Senior / Lead Engineer roles
: Long:term, stable contract within a high:profile critical facility
: Supportive and technically driven working environment
Ready to take the next step into the data centre sector - or further develop your critical environment experience?