CAREERS

JCA is on a mission. We are always looking for the best people to help us continually achieve excellence in engineering and construction design, build and maintenance.

JCA offers a variety of challenging and career-enhancing roles, in a vibrant and enthusiastic working environment. Our positions come with great benefits. We recognise the importance of helping our employees balance work and home life, by offering flexible working arrangements. This enables staff to incorporate other priorities, including parental and caring responsibilities, voluntary and charity work and leisure pursuits.

We also offer learning and development opportunities including Talent Development Programmes, Graduate schemes, Apprenticeships, as well as work experience for young people. To apply or if you would like more details, please contact careers@jca.co.uk.

Opportunities exist at technical, professional and management levels in roles including maintenance, administration, project management and design.

If you are interested in joining us on our mission, get in touch: call for a chat, send us your CV, use LinkedIn or view our current vacancies. We look forward to hearing from you.

For more information on how we process your personal data, please view our Candidate Privacy Policy.

JCA is an Equal Opportunities Employer, and accredited with the Living Wage Foundation.

We have signed the Armed Forces Covenant and are actively involved in engaging with the Armed Forces Community to identify suitable candidates for career placements in many areas of the business.

JCA has a zero-tolerance approach to modern slavery. For a copy of our Anti-Slavery and Human Trafficking Policy, click here. For a copy of our current Anti-Slavery Statement, click here.

To view other Mitie vacancies, head over to Mitie Careers portal.

Current Opportunities

Data Centre Engineer - Mechanical Bias (Days) (Hertfordshire)

ROLE: Data Centre Engineer – Mechanical Bias
HOURS: Monday – Friday 08:00 – 17:00
LOCATION: JCA Data Centre Site – Waltham Cross

At Mitie, our people are our greatest strength, and our promise is to create a place to work where you can thrive and be your best every day. We’re looking for a Data Centre Engineer – Mechanical Bias to support the smooth, safe, and efficient operation of a high‑performance JCA data centre environment.

Role Responsibilities:

  • Deliver planned preventative maintenance (PPM) and reactive maintenance across all mechanical systems within the data centre.
  • Support the operation, monitoring, and troubleshooting of critical mechanical infrastructure, including CRAC units, HVAC systems, AHUs, pumps, and chilled water systems.
  • Conduct mechanical fault‑finding, diagnostics, and repair work to maintain uptime and site resilience.
  • Work closely with the engineering and on‑site facilities teams to ensure compliance with operational standards, SLAs, and safety regulations.
  • Maintain accurate records, logs, and reports, ensuring documentation meets client and Mitie standards.
  • Support in emergency response situations, including mechanical plant failures or environmental alarms.
  • Carry out routine inspections and performance checks to ensure optimal plant operation.

Required Qualifications:

Applicants must meet the below defined requirements for the role.

  • Recognised mechanical engineering qualification (C&G, NVQ, HNC or equivalent).
  • Experience working within mission‑critical or data centre environments.
  • Strong mechanical systems knowledge including chilled water, HVAC, and cooling plant.
  • F‑Gas qualification (2079) – highly desirable.
  • Chiller‑bias background or experience working on chilled water systems – highly favourable.
  • Good understanding of health & safety procedures including risk assessments and safe systems of work.
  • Ability to work independently and as part of a high‑performing engineering team.

What’s in it for you?

  • Free on‑site breakfast and lunch provided daily.
  • Access to Mitie’s industry‑leading training, development pathways, and career progression opportunities.
  • Mitie employee benefits platform including discounts, cashback rewards, and wellbeing support.
  • Pension scheme, holiday allowance, and life assurance.
  • Opportunity to work in a state‑of‑the‑art data centre environment with cutting‑edge equipment.

About JCA

JCA is a multi‑faceted engineering services and construction business. Our core expertise is in the development of buildings and facilities with business‑critical engineering systems.

We deliver a comprehensive range of services to meet the needs of commercial property owners across multiple sectors. From design and construction to fit‑out and maintenance, JCA provides bespoke solutions for every client.

We operate with transparency and integrity and are committed to excellence as standard. Our mission is to be recognised as industry leaders in service and innovation through engineering and business excellence.

Our business comprises four core areas:

  • Engineering Projects
  • Service & Maintenance
  • Interior Fit Out
  • Design & Consultancy

If you wish to apply, please submit your application below:

https://careers.mitie.com/jobs/vacancy/92000/description

For more information please contact recruitment@jca.co.uk