Principal Engineer Building Services & Auxiliary Power
Join to apply for the Principal Engineer Building Services & Auxiliary Power role at SSEN Transmission.
Base Location: Flexible UK. We will need your base “office” location to be one of our SSEN offices or depots around Scotland – Aberdeen, Inverness, Perth.
Salary: £58,100 to £87,100 + performance‑related bonus + car /car allowance + a range of other benefits to support your family, finances and wellbeing.
Working Pattern: Permanent OR Fixed Term Contract OR Secondment | Full Time OR Part Time | Flexible First options available.
What the role is about: At SSEN Transmission, we are building a network for Net Zero that is smarter, more flexible, and equipped to support the future of energy. Network Engineering are part of the Asset Management and Operations Directorate. They ensure that engineering activities for all Transmission projects and business areas are safe, sound and supported and carry out the Design and Technical Engineering Governance functions.
As part of our journey, we’re looking for a Principal Engineer – Building Services & Auxiliary Power to join our specialist Network Engineering team. You’ll play a vital role in defining technical policy, influencing industry standards, and supporting the delivery of innovative, future‑ready projects across our transmission network.
You will
* Develop, maintain, and update technical specifications for substation electrical and auxiliary systems, including interfaces with transmission network equipment such as LVAC/LVDC systems, generators, voltage regulators, EV charging, smart monitoring, battery systems, building services, and security. Revise existing specifications based on project feedback and technology advancements.
* Perform the Technical Authority review: approve apparatus/equipment, Inspection Test Plan, Inspection Test Record, witness tests to ensure all technology and apparatus/equipment selected is adequately tested, proven and validated and write Technical Authority reports.
* Provide Subject Matter Expert input to design reviews carried out by the Design Authority, provide specialist input where required and verify project proposals are fit for purpose and identify any scope changes required.
* Provide technical consultancy services across the SSEN Transmission business, encouraging the development of staff and have a willingness to share your specialist expert knowledge.
* Represent SSEN Transmission at industry body events such as ENA, IEC or CIGRE working groups and attend conferences to support engineering development and feedback best practice to our business.
You have
* A degree in Electrical Engineering or another relevant engineering discipline and Chartered Engineer status with a relevant institution or working towards chartered status.
* Demonstrable experience on an expert level in the design, specification, construction, operation and maintenance of Electrical Services and Auxiliary Systems in a data centre, substation or industrial background.
* The ability to technically assess issues and/or problems and critically assess a range of technical solutions and a detailed knowledge and understanding of a range of National and International Standards including National Grid, Energy Network Association, British and European specification/standards.
* Experience in the management of various stakeholders, e.g. engineering, asset management, contractors, etc.
* Experience in manufacturing or testing and commissioning of transmission voltage substation Electrical Services and Auxiliary Systems in substations would also be advantageous.
About SSEN
SSEN Transmission own and operate the electricity transmission network across the north of Scotland. We transport energy from where it is generated to where it is needed, ensuring a safe and reliable electricity supply for the communities we serve. We are upgrading the grid to deliver cleaner, homegrown energy for the future and building a network for net zero to create secure power for generations to come.
Flexible Benefits
Enjoy discounts on private healthcare and gym memberships; wellbeing benefits like a free online GP and 24/7 counselling service; interest‑free loans on tech and transport season tickets or a new bike with our Cycle to Work scheme; generous family entitlements including maternity, adoption and paternity leave.
Equal Opportunity
SSEN is an equal opportunity employer. We will make any reasonable adjustments you need to ensure your application experience is positive. Contact Andy at andrew.torrance@sse.com or 01738 275370 to discuss how we can support you.
Ready to apply?
Start your online application using the Apply Now box on this page. We only accept online applications and will be in touch after the closing date to let you know whether your application will be taken further. If offered a role, a criminality check and a credit check will be required before you start work.
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