Senior Transmission Line Engineer

Senior Transmission Line Engineer
Auckland or Wellington

At Mott MacDonald, we use our expertise to improve society. As a global, employee‑owned consultancy, we work across energy, transport, water and the built environment to deliver technically excellent, sustainable outcomes for our clients and communities.

Our New Zealand Energy team is growing, supported by increased investment in grid resilience, renewable generation and transmission infrastructure across Aotearoa. We are looking for an experienced Senior Transmission Line Engineer to join our Auckland or Wellington office and play a key role in delivering critical energy projects across New Zealand and the wider Asia‑Pacific region.

Your role

As a Senior Transmission Line Engineer, you will contribute to the planning, design and delivery of overhead transmission line projects, working closely with colleagues across energy, civil, geotechnical and environmental disciplines. You will be a trusted technical contributor, supporting project delivery while helping to grow capability within our local team.

Your work will include:

• Technical design and checking of overhead transmission lines, including towers, structures, foundations and alignments


• Supporting projects across feasibility, concept, detailed design and construction phases


• Working with clients, contractors and internal stakeholders to deliver safe, efficient and buildable solutions


• Assisting with technical inputs to proposals and bids, particularly for energy transmission and grid‑related projects


• Mentoring and supporting early‑career engineers within the team


• Contributing to continuous improvement in technical quality, safety and sustainability

About you

You will bring:

• A degree in civil, structural or electrical engineering (or a related discipline)


• 5-10 years of experience in OHL engineering environment 


• Proven experience in transmission line engineering, ideally within a consultancy environment


• Proficient in the use of engineering software like PLS-CADD, TOWER, Pole for line design


• Experience with overhead line design, tower loading, foundations and route selection


• Modelling of structures using TOWER, POLE programs


• Working knowledge of the New Zealand and Australian  transmission standards and design practices


• Strong communication skills and the confidence to work directly with clients and project teams


• A collaborative mindset and a genuine interest in mentoring others


• Eligibility to work in New Zealand

Experience working on Transpower or similar grid projects, or toward professional registration, would be an advantage.

Why join Mott MacDonald

You’ll be part of a supportive, purpose‑driven team working on some of the most significant energy projects in Aotearoa. We offer:

• The opportunity to shape New Zealand’s energy transition and grid future


• Exposure to major transmission and renewable energy projects locally and across APNA


• Genuine flexibility and agile working


• Strong career development, mentoring and technical excellence support


• A values‑led, inclusive culture built around Progress, Respect, Integrity, Drive and Excellence

If you’re ready to take the next step in your transmission engineering career and want to work on projects that truly matter, we’d love to hear from you.

Make a difference today. Shape tomorrow’s energy network with Mott MacDonald.

Employee ownership

• Our employee ownership model means no external investors, just us, creating a culture of shared success.


• Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.


• As your career grows, so does your stake, recognising your long-term impact and contribution.


• Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.

Our benefits package is designed to enhance your experience: 

•    A flexible and agile work atmosphere that caters to your professional journey and life's special moments
•    A competitive salary complemented by Discretionary Group and Personal Performance Bonuses for eligible employees
•    Comprehensive coverage including life, personal accident, and salary continuance insurance, providing peace of mind during uncertain times
•    Opportunities to enhance your work-life balance through the option to purchase extra annual leave
•    Employee resource groups including the Inclusive Network for Women, Corporate Social Responsibility and more

You've got this!
We endorse a diverse and inclusive workplace and look to provide suitable opportunities for employees including the opportunity for part time and job shared roles where possible. If you are interested in this role and looking for a part time permanent opportunity, please apply!