Remote Senior Technician / Electrical Plant Engineer in Colchester, Essex

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.

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

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.

• 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.
• 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.

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.

Understanding of CAD layer management, drawing numbering systems, and drawing control processes.

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. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at [email protected].

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. As an Equal Opportunity Employer, we believe in each person's potential, and we'll help you reach yours.

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role.