Remote Senior Technician / Electrical Plant Engineer in Chelmsford

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

Are you ready to join a team of talented engineers and shape the future of energy infrastructure? We are seeking a highly skilled CAD Plant Engineer to join our growing team within our Transmission and Distribution division. The successful candidate will play a critical role in the delivery of high-quality substation drawing design packages across multiple client frameworks, including SSEN, SPEN, UKPN, NGED, NGET, defence, and other private developers.

You will be responsible for ensuring CAD output quality and consistency, managing drawing standards compliance, and applying your understanding of substation plant layout operational, maintenance and clearance requirements in line with BS and IEC standards. You will be a key interface with our enterprise capability teams in terms of CAD quality and standards, to ensure AECOM's high quality standards are met.

Here’s what you’ll do:

• Develop and produce substation layout drawings and 3D models in accordance with client specifications and industry standards (BS, IEC).
• Manage and enforce CAD quality standards aligned with enterprise capability and consultancy-wide best practices.
• Ensure spatial planning complies with clearance regulations and substation maintenance and operational safety constraints.
• Collaborate closely with electrical engineers, civil and structural designers, and project managers to ensure fully coordinated multi-disciplinary deliverables.
• Interpret and implement client-specific standards including but not limited to: NGED, NGET, SSEN, SSET, SPEN and UKPN.
• Conduct CAD audits, reviews, and quality assurance checks.
• Support the development and maintenance of CAD libraries, drawing templates, and workflows to drive consistency and efficiency.
• Mentor and provide technical guidance to junior CAD technicians.
• Participate in design reviews, HAZID/HAZOP, and constructability assessments when required.

At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.

Here’s what we’re looking for:

• HNC/HND or equivalent in Electrical Engineering, Design Engineering, or a related field.
• Proven experience in a CAD plant engineering role within a utility environment.
• Strong working knowledge of primary plant general arrangement layout, electrical schematic and secondary cabling and wiring drawing interface designs.
• Proficient in AutoCAD and at least one 3D CAD package (e.g., AutoCAD Plant 3D, Bentley Substation, Revit, or similar).
• Familiarity with BS and IEC standards for electrical installations.
• Practical experience working to client standards including NGED, NGET, SSEN, SSET, SPEN, UKPN or other UK DNO/TO specifications.
• Understanding of CAD layer management, drawing numbering systems, and drawing control processes.

Desirable Skills:

• Experience with BIM Level 2 workflows and Common Data Environments (CDE).
• Familiarity with GIS and asset data integration into CAD platforms.
• Ability to script or automate CAD workflows using LISP, VBA, or similar.

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us.

At AECOM, we value everyone's unique contributions and perspectives. If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you!