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Assistant Technician - Chillers & Plants (Mechanical)

Job Req ID:  187561
Posting Start Date:  03-Jan-2022

Dubai, AE

Contract Type:  Full Time
Job Advertisement: 


Assistant Technician - Chillers & Plants (Mechanical)

Make a difference every day


The Job Opportunity

The purpose of the role is to carryout preventative, corrective and breakdown maintenance on various types of chillers individually or as part of a technical team, within a designated area whilst ensuring minimal disruption to the operations.


Serco has a profound understanding of the region, having been operating in the Middle East since 1947 (for more than seven decades), where it harnesses international expertise, delivered on a local level.


Key accountabilities;


  • Ability to work in harsh outdoor conditions (cooling towers maintenance)
  • Ability to use automatic tubes brushing equipment and pressure washers
  • Ability to use refrigerant vacuum pumps and refrigerant recovery machines
  • Ability to safely use overhead cranes and has a good knowledge in rigging & slinging
  • Ability to safely erect basic scaffolding platform
  • This position requires a very good level of spoken and written English.                       
  • Ability to communicate with staff, stakeholders and customers in oral and written English.
  • Working knowledge in MS Office (Word / Excel / Power point)
  • Good knowledge in safe systems of work (mechanical isolation, electrical isolation)
  • Ability to perform safely and correctly the following on Refrigeration equipment and systems:
    • Electrical /Mechanical Isolations and LOTO
    • Planned preventative maintenance (PM) routines
    • Corrective maintenance (CM)
    • Breakdown maintenance (BD)
  • Inspect, diagnose and perform major and minor repair work on chillers, motors, pumps, hydraulic equipment, compressors, controls, valves and related equipment. Perform routine and preventative maintenance on pumps, motors, engines and compressors.
  • Ability to conform to all general and technical safety requirements at all times to ensure the health, safety & welfare of self and others at work
  • Any other work as assigned by the electrical supervisor/duty engineer to achieve the purpose
  • Able to read interpret and describe the functionality of electrical drawings (circuit and wiring diagrams/schematic and layout drawings) irrespective of manufacturer
  • Able to correctly setup and use Mechanical test equipment and interpret the test results to include
    • Manifold Gauge
    • Vibration Analyzer
    • Clamp Meter
    • Temperature / Humidity Meter
    • Vacuum Gauge
    • Refrigeration Leak Detector
  • Knowledge in the use & interpretation of Local and International Mechanical Standards and Regulations.


Assets Exposure (Direct)     

Major assets below, but not limited to;

  • Chillers
  • Compressors
  • Cooling Tower
  • Variable Frequency Drives
  • Heat Exchanges
  • Pressurization Units
  • Pumps
  • Pressure Regulators


Asset Maintenance Experience (Hands-on)

For listed Assets, in the capacity as team member and solo;

  • Periodic Preventive Maintenance
  • Breakdown Trouble Shooting
  • Inspections
  • Condition Assessment
  • Condition Based Maintenance
  • Corrective Maintenance
  • Configuration and Modifications


Tasks’ Experience (Hands-on)        

Task such as, but not limited to;

  • Perform overhauls, major inspections, retrofits work on chillers and cooling towers
  • Perform safety and limit controls checks for proper operation
  • Perform pressure washing and automatic tubes brushing
  • Operate refrigerant vacuum pumps and refrigerant recovery machines
  • Operate overhead cranes and has a good knowledge in rigging & slinging
  • Ability to safely erect basic scaffolding platform
  • Repair and overhaul a wide selection of industrial products (pumps, motors, bearings etc)


What we are looking for in our candidates:

  • Customer Service – See those they interact with as customer and seeks to identify and meet needs, taking swift action to resolve issues with integrity.
  • Solves Problems - Identifies problems within own area of remit and takes responsibility for finding a solution regardless of the causes.
  • Communicates Effectively - Clearly and concisely conveys information and ideas that engage others.
  • Gains Others’ Trust - Interacts with others in a supportive way and in accordance with our Values.
  • Judgement and Decision Making – Quickly recognizes and gets to grips with increasingly complex scenarios.  Secures and compares information from multiple sources and exercises judgement to close the gaps in data and deal with increasing levels of ambiguity.
  • Drive for Results - Is motivated to deliver results through leading large and diverse teams across functions or business units. Shows drive to make a difference across teams, community and nationally.
  • Makes Decisions - Identifies and understands issues, problems and opportunities and takes action that is consistent with available facts, constraints and probable consequences.
  • Supports Difference - Works effectively with individuals of diverse cultures, interpersonal styles, abilities, motivations or background.
  • Resilience - Stays focused and composed when under pressure to deliver, dealing constructively with setbacks and staying on course even when facing resistance or pressure to change.
  • Lives Serco values – Trust, Care, Innovation and Innovation.

Specific requirements

  • Must have High School Certificate or Industrial Training Institute Diploma (3-year duration) in Mechanical Maintenance or equivalent (post high school).
  • Should have IOSH Working Safely Certificate or equivalent.
  • Six Sigma certification is a preference (yellow belt/green belt/black belt)
  • Holding of valid UAE driving license is desirable.                                       
  • Must have minimum three (3) years' experience within chiller repair related environment or similar and preference for those with experience in central & district cooling plant equipment maintenance.
  • Should be fluent in written and spoken English and have ability to communicate with staff, stakeholders and customers in oral and written English.
  • Should have working knowledge in Ms Office (Word / Excel / PowerPoint, Outlook) etc.


Working with Serco

At Serco, not only is the nature of the work we do important, everyone has important role to play.

We are a team of 50,000 people responsible for delivering essential public services around the world in areas including defence, transport, justice, immigration, healthcare and citizen services. We are innovators, committed to redesigning and improving public services for the benefit of everyone.

Join Us


By joining Serco you will have unlimited access to our Global Employee Networks – SercoInspire (Gender), SercoEmbrace (Multicultural), and SercoUnlimited (Disability). Serco Employee Networks, led by colleagues who are passionate about diversity, inclusion and belonging.

Take pride in what you do



Serco is committed to Equal Employment Opportunities and is committed to ensuring the safety of all of its employees through its Zero Harm initiative. To view all internal opportunities, log into MyHR online.

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