Senior System Planning and Investment Engineer

Base Location

Flexible Scotland | We're proud to offer a Flexible First approach to work, and this role is no exception. We will, however, need your base 'home' location to be one of our SSEN offices or depots in Perth or Glasgow.

£58,100 - £87,100 + performance‑related bonus + a range of benefits to support your finances, wellbeing and family.

Permanent | Full Time | Flexible First options available

In this role you will be responsible for ensuring the efficient, secure, and cost‑effective operation of the power system through the application of optimisation, modelling, and advanced analytical methodologies.

• Develop, maintain, and apply transmission network optimisation models to assess performance, operability, and constraints, using industry‑standard tools such as PSSE or DIgSILENT Power Factory.
• Optimise network topology, energisation sequencing, outage strategies, and constraint management, supported by scenario and sensitivity analyses to evaluate system risk, cost, and resilience under varying future conditions.
• Conduct robust and traceable system security and constraint studies, utilizing data analytics and automation to streamline workflows and develop digital tools that enhance modelling efficiency and decision quality.
• Drive continuous improvement in analytical methods and modelling approaches, working collaboratively with planning, outage planning, operations, and project teams.
• Engage with external stakeholders such as ESO/NESO, DNOs, Transmission Owners, and regulators to support coordinated optimisation activities and ensure alignment with relevant codes, standards, and frameworks (e.g., SQSS, STC, Network Planning Framework).

• Experience in power system analysis, design and outage planning.
• Working knowledge of electrical theory and experience in using power system analysis tools such as PSSE, Power Factory or similar.
• Good knowledge of the electricity industry, including interfaces with generator and demand customers, the regulator, the Electricity System Operator, other Transmission Owners and Distribution Network Operators.
• Ability to write clear and well‑structured technical reports and network requirements and provide focused information for senior management.
• Degree (or equivalent experience) in Electrical Engineering, Power Systems, Mathematics, or a related discipline

SSE’s purpose is to provide energy needed today while building a better world of energy for tomorrow. We do this by developing, building, operating and investing in electricity infrastructure and businesses needed in the energy transition. Our Transforming for Growth investment plan sees us investing £33bn in critical electricity infrastructure across the five years to 2030.

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. But that's not all – we're upgrading the grid to deliver cleaner, home‑grown energy for the future and building a network for net zero to create secure power for generations to come.

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. As well as generous family entitlements such as maternity and adoption pay, and paternity leave.

SSE will make any reasonable adjustments you need to ensure that your application and experience with us is positive. please contact Andy on  / to discuss how we can support you.

We're dedicated to fostering an open and inclusive workplace where people from all backgrounds can thrive. We create equal opportunities for everyone to succeed and especially welcome applications from those who may not be well represented in our workforce or industry.

Start your online application using the Apply Now box on this page. We only accept applications made online. We'll be in touch after the closing date to let you know if we'll be taking your application further. If you're offered a role with SSE, you'll need to complete a criminality check and a credit check before you start work.