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Job Description

Principal Duties and Responsibilities:

The role requires the candidate to provide specialist advice, designs, reports, and deliver engineering advice and input across a portfolio of projects. Specifically, expected to manage and complete design work associated with transmission and distribution line design. Experience on UK National Grid projects is essential .

Engineering work includes route selection, PLS-CADD modelling, structural model in PLS TOWER and PLS POLE, line schedules, stringing tables and charts, design reports, site verification, drawings, specifications and design standards. The incumbent will coordinate with the wider team for successful completion of the deliverables.

The candidate should be able to complete to work independently on complex projects or assignments and provide technical solutions to problems with little or no precedent.
• Perform, review and approve High Voltage OHL designs complying to relevant international standards
• Ensure designs approved for delivery comply with relevant legislation, standards, policies and procedures;
• Update or create design standards and related documentation to ensure continued compliance to standards and industry best practice;
• Manage a team and mentor junior colleagues;
• Carry out studies in specialist areas such as line and foundation design, tower spotting, sag -tension, plan and profile, conductor selection, structural design of lattice towers, structural design of steel poles and wood pole design;
• Prepare, review and manage specifications, schedule, BOQ’s and other design documentation;
• Provide information as required to identify the best approach for the successful completion of the project in complex multi-disciplinary issues involving other groups;
• Investigate and implement innovative design solutions to meet business and project needs;
• Provide competitive design solutions to support the achievement of MM’s client objectives;
• Be proficient in the use of engineering software to prepare transmission and distribution lines designs including PLS CADD, PLS Tower, PLS Pole;
• Deliver engineering projects in accordance with client requirements and in line with company and industry best practice;
• Participate in project and design review meetings.
• Provide technical input into proposals.

Candidate specification:
• BSc or Master’s degree qualification in Civil/Structural/Electrical/Mechanical Engineering or equivalent with numerous years of relevant experience – typically 10-14 yrs ;
• Experience on UK National Grid projects
• Proficient in writing and reviewing reports;
• Experience in an OHL engineering environment including significant scheme and project / design management and proven track record of scheme delivery;
• Experience in being a mentoring /leading a team
• Proficient in leading the preparation, co-ordination and review of design drawings;
• Good working knowledge of appropriate British and International Standards and Codes of Practice relevant to the design of transmission and distribution OHLs.
• Knowledge and understanding of relevant legislation, policies and procedures applicable to the preparation of designs and specifications;
• Knowledge of HSE and CDM regulations;
• Excellent Proficiency in the use of engineering design software including PLS-CADD (required), PLS-Tower (required), PLS-Pole (required) and AutoCAD and other design software to develop designs;
• Deep knowledge of design quality assurance processes to ensure that designs meet quality requirements;
• Working knowledge and demonstrated experience in the requirements and application of Safety design requirements;
• Able to perform Risk Assessments and develop mitigation strategies;
• Manage or complete Construction Design Studies (CDS) to conclude feasibility studies.
• Ability to promote a high standard of professionalism, effective communication and personal integrity within the design team;
• Proactive, and proficient in working with lead offices;
• Ability to work in a team environment.
• Prior experience in site-based OHL roles.
• TP141/SR141 authorised preferrable.

Equality, diversity and inclusion

We put equality, diversity and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

If you have a disability and would prefer to apply in a different format or would like us to make reasonable adjustments to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com and we will talk to you about how we can assist.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team and personal commitments. We embrace agility, flexibility and trust.

Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Menopause support

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

India

Ireland

Italy

Japan

Malaysia

Netherlands

New Zealand

Saudi Arabia

Serbia

Singapore

South Korea

Spain

Taiwan

Thailand

United Arab Emirates

United Kingdom

United States

Office Locations

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

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