Day Mechanical Engineer

Day Mechanical Engineer - Mission-Critical Environment | Slough – 50k The Opportunity An established and highly respected critical engineering provider is seeking a Day Mechanical Engineer to join a well-resourced and technically strong team in Slough. This is a stable, long-term role within a mission-critical environment, offering excellent exposure to complex mechanical plant, a supportive team culture, and clear progression opportunities within a growing organisation. The Role Working days only, you will be responsible for the operation, maintenance, and reliability of critical mechanical systems supporting a high-availability site. The role requires a proactive, safety-focused engineer who is comfortable working in live environments where uptime is paramount. This position is ideal for a mechanically biased engineer looking to build or strengthen a career within critical engineering. What You’ll Be Doing * Carry out PPM and reactive maintenance on critical mechanical systems * Maintain and support plant including chillers, AHUs, CRAC units, FCUs, pumps, pressurisation units, and associated HVAC systems * Respond effectively to faults, alarms, and mechanical failures to minimise risk and downtime * Ensure all works are completed under permit-to-work and in line with safe systems of work * Complete detailed maintenance records, reports, and site documentation * Work closely with electrical engineers and site management to support 24/7 site resilience * Contribute to continuous improvement and plant reliability What You’ll Need * Mechanical qualification (NVQ Level 3 / City & Guilds or equivalent) * Proven experience within building services or facilities management * Experience in critical or high-availability environments desirable * Strong fault-finding skills across HVAC and mechanical plant * A calm, methodical approach suited to mission-critical operations Desirable Extras * Data centre or critical site exposure * Experience with chilled water systems and large-scale HVAC plant * Understanding of critical maintenance procedures and compliance Why Apply? * Day shift role with no nights * Salary of £50,000 * Work within a technically challenging, mission-critical environment * Join a stable, well-established site and engineering team * Ongoing training and clear internal progression opportunities