Senior Electrical Engineer

HDR, Inc.; London Borough of Croydon; On-site; GBP 75,000 - 110,000; Full time

Job summary

HDR, Inc. in the United Kingdom is seeking a Senior Electrical Engineer to lead electrical design for Data Centre and Mission Critical facilities from concept to commissioning.

You will design complete electrical systems, coordinate with multi-disciplinary teams, ensure regulatory compliance and drive QA across projects. HDR offers employee ownership and diverse global opportunities.

Qualifications

• Bachelor’s degree in Electrical Engineering or Architectural Engineering with an Electrical emphasis.
• Extensive knowledge of building electrical power, lighting and life-safety systems.
• Experience leading electrical design for data centres and critical facilities.

Responsibilities

• Carry out concept to detailed electrical design for Data Centres/Mission Critical projects.
• Produce design and installation designs for complete electrical systems.
• Ensure technical compliance and quality through in-house reviews.
• Coordinate with stakeholders and manage project teams.

Skills

Electrical design

Data Centre

Project management

Revit

AutoCAD

Coordination

MV/LV power

UPS systems

Education

BEng, MSc in Electrical Engineering or equivalent

Bachelor’s in Electrical/Architectural Engineering (Electrical emphasis)

Chartered Electrical Engineer (desirable)

Tools

Revit

AutoCAD

3D coordination

Job description

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we work to weave diversity, equity, and inclusion into our work and foster a sense of belonging throughout the company and within our communities, we constantly ask ourselves: What is our impact on the world?

Watch Our Story: https://www.hdrinc.com/our-story

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

HDR has a great opportunity for an experienced Senior Electrical Engineer who enjoys working with multidisciplinary teams throughout the entire span of a project, from the initial concept development, through drawings/specifications, to report preparation and equipment sizing and selection, and finally meaningful engagement during the construction contract.

As a Senior Electrical Engineer you will have the opportunity to work with engineering teams to create detailed designs, plans, specifications and estimates for Data Centre/Mission Critical facilities. You will be working for a firm that is 100-percent employee owned with full transparency of financial results and a solid record of performance year-to-year, that creates many opportunities for you to advance, succeed and fulfil your career visions.

About You

Whilst you will be a competent & experienced designer, we are looking for a self‑starter that can manage and develop resources to meet project demands whilst maintaining the highest level of technical excellence and regulatory compliance and work as part of the wider multi‑disciplinary engineering team.

In the role of Senior Electrical Engineer we’ll count on you to:

• Carry out engineering concept design through to detailed design.
• Produce detailed design and installation design of complete electrical systems for Data Centres/Mission Critical projects.
• Ensure all design projects and reports within the group are technically compliant, to a consistent quality and standard. Maintain regular 'in house' design reviews and checks.
• Motivate yourself and manage staff within group to build coherent high performing teams. Set objectives, monitor performance, coach and develop staff to optimise their potential.
• Implement and manage QA systems and procedures on all projects.
• Implement Company Health and Safety. Ensure all designs respond to the CDM regulations.
• Ensure Quality Management System ISO 9001 and 14001 are adhered to.

Preferred Qualifications

• BEng, MSc or equivalent qualification in Electrical Engineering, Building Services or relevant subject
• Minimum 5 years' experience in electrical design
• Experience in Electrical design for Data Centre is essential.
• Experience, especially in designing and managing projects.
• Managing Electrical Design throughout all design stages.
• Design Coordination with other stakeholders & disciplines.
• Wide experience of critical electrical systems, MV and LV power systems, standby generation, UPS, earthing, fire alarm systems.
• Systems design to various resilience levels.
• Working knowledge of Revit, AutoCAD and 3D co-ordination
• Chartered Electrical Engineer (desirable)

Required Qualifications

• Bachelor's degree in Electrical Engineering or Architectural Engineering with an Electrical emphasis
• Extensive knowledge of building electrical power, lighting and signal design, including life safety systems and building management systems
• Strong computer knowledge of Microsoft Office and AutoCAD, and electrical design software
• An attitude and commitment to being an active participant of our employee‑owned culture is a must

What We Believe

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment

As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Primary Location: United Kingdom-England-London Other Locations: United Kingdom-England-Manchester, United Kingdom-England-Croydon, United Kingdom-Scotland-Glasgow, United Kingdom-England-Berkhamsted Industry: Building Engineering Schedule: Full-time Employee Status: Regular BusinessClass: Building Electrical Job Posting: Nov 14, 2025

At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employer (https://www.hdrinc.com/equal-employment-opportunity-employer). We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.