Do you want to make a difference in the field of engineering? Do you dream of driving innovation in projects, breaking established norms, and working in an exciting international environment? Join Deerns and become part of our team of experts from around the world.

About Us

Founded in 1928, Deerns is an engineering consultancy specializing in building servicesprofessional services needed to design, construct, and operate buildings in a correct, safe, and environmentally friendly manner. With over 600 professionals worldwide, and operational offices in the UK, Italy, the Netherlands, Germany, France, Spain, Colombia, Kuwait, and Brazil, Deerns is a global leader in engineering, strategic consulting, and sustainable development for the built environment.

Deerns provides consulting services for system design, energy, sustainability, acoustics, construction safety, and fire protection in sectors such as offices, residences, retail, hotels, sports and leisure, airports, data centre, clean tech, and hospitals. For more information, visit

The Role

We are looking for a Principal Electrical Engineer specialising in system engineering. The Principal Electrical Engineer will deliver industry leading solutions for high specifications Data Centre systems worldwide. The Principal Electrical Engineer will be a lead electrical engineer providing efficient Data Centre designs at all stages of the design. This is a full-time hybrid role located in our London office (3 days working from our UK Office (London Bridge), 2 days from home or 50% of the time in the office).

Role Responsibilities

• Attend and/or lead client, design team, professional, contractor and site meetings.

• Develop concept and detailed design of electrical services and associated controls.

• Produce Schematics, specifications, calculations, equipment schedules and reports to meet the required industry and legal standards

• Coordinate your designs with other disciplines.

• Maintain a commercial awareness of projects, track hours versus agreed fees.

• Agree any variations or changes to the design prior to allocating additional hours.

• Monitor and review the quality of the work produced by graduate electrical engineers or electrical engineers.

• Monitor and review the quality of the contractor's electrical installations, ensuring they meet the client's requirements and local standards / regulations.

• Carry out validation reviews of contractors designs and specifications.

• Carry out QA/QC inspections on site and produce associated reports.

• Attend witness testing activities on site and produce associates reports.

• The role will be primarily office based but will involve some site attendances (UK and International).

• Be capable of taking the lead on projects with minimal input from management team.

• Accountability for discipline delivery of professional services.

• Provide direction, leadership and vision to the discipline project team.

• Build strong working relationships across the team, client and overall stakeholders.

• Represent the company in the appropriate manner relating to our Core Values & Culture.

• A Bachelor's degree (BEng or equivalent) or a Masters degree in a relevant field is preferred. Vocational courses will also be considered if supported by relevant experience.

• 6-15 years' experience as an electrical engineer in building services.

• Previous mission critical design experience in the data centre, clean tech or telecoms sectors working for consulting engineers is highly advantageous.

• Proven ability to oversee projects from concept through to construction, including the commissioning phase.

• Holder of a Chartered Engineer status or equivalent professional registration.

• Willingness to mentor and support the growth of other team members.

• Ability to prioritise personal and team workloads, work to tight deadlines, and stay within budget constraints.

• Strong problem-solving capabilities.

• Essential experience in power systems design, including HV/MV and LV systems.

• Knowledge of generators, UPS systems, AC and DC power systems, and switchgear systems.

• Good understanding of data centre power systems and general building services is essential.

Specific Requirements

• Proactive communicator with excellent verbal and written English skills.

• Strong relationship-building abilities at all organisational levels.

• Proficient in Microsoft Office, BIM360, Autocad, Dialux, Revit, Amtech, SKM, ETAP or Easypower.

• Experience working with and coordinating teams of 310 engineers, both locally and internationally.

• Ability to identify and define scopes of work, design activities, and required timelines, as well as reviewing the value of design work.

• Assist the Team Manager in preparation stage, reviewing documents and costs, and identifying project risks.

• Capable of explaining and managing expectations and quality levels, and verifying quality levels after stage/project completion.

• Skilled in producing technical specifications, reports, and a system design from scratch and/or should be capable of producing a detailed design based on technical starting points/specifications.

• Depth of expertise in consultancy, front end and design stages of project delivery is required.

• Essential knowledge of Mission Critical / Data Centre sector and a recent proven project track record.

• Excellent relationship management skills with the ability to handle and develop key client interactions.

• Strong organisational skills with the ability to meet demanding project deadlines.

• Strong sense of customer focus and internal teamwork.

Benefits

• Competitive salary.

• Hybrid work (3 days from our London office + 2 days from home).

• 25 days annual leave + UK bank holidays (option to purchase 5 extra days).

• Perkbox (a range of corporate deals, including health, fitness and entertainment).

• Life Insurance and long-term sickness coverage.

• Discretionary annual bonus (up to 10%).

• Pension (6% employer contribution).

• Company social events.

• Referral scheme.

• Cycle to Work scheme.

• Employee Assistance Programme (EAP).

• Good Habitz access (Learning & Development).

• Collaborative and supportive work environment.

• Exposure to diverse, challenging and unique projects.

• International networking opportunities within the Deerns global group.

This role would be ideally suited to someone who is passionate, versatile, personable and articulate. The successful individual will be based in our London office working on prestigious data centre projects throughout UK/Mainland Europe, India and the Middle East. Our clients include a mixture of key regional and international players in the data centre industry, collocation providers and Hyperscale data centres.

We are committed to creating a diverse and inclusive workplace where everyone feels they belong. While we welcome applications from all qualified candidates, were particularly keen to encourage applications from groups that are currently under-represented in our sector, including women. Even if you dont meet every requirement listed, wed still love to hear from you if youre passionate about this role.