Shape a future with purpose at Arup in Spain

Focusing on High Voltage electrical infrastructure projects

Arup’s purpose, shared values, and collaborative approach have set us apart for over 75 years, guiding how we shape a better world.

We have been present in Spain since 1993 and we have a team of more than 300 engineers, consultants, and qualified technical personnel. We work for clients from the public and private sectors, providing creative and sustainable solutions based on the efficient use of resources.

Arup is expanding its skills and capability in energy transition and renewable energy projects. Our growth, in terms of income and skills/resources, is driven by the increasing demand for sustainable energy solutions to decarbonise economies. High Voltage (HV) electrical infrastructure is a key enabler for decarbonised energy transmission, storage, and interconnection.

The Opportunity

This is your chance to contribute with your skills for HV Substations. You will ensure flawless integration with collector substations, REE dispatch centers. BESS and renewable plants. This includes the delivery of high voltage-related projects for data centres, interconnectors, offshore wind, other renewables and energy storage.

As a HV Substations Senior Electrical Engineer at Arup, you will:

· Perform and lead the engineering design, technical strategy, and delivery of HV substation projects for electric utilities and for the interconnection of renewables and data centers.

· Prepare and review complete substation physical design packages including single‐line diagrams, substation physical layouts, substation equipment specifications, conduit and cable plans and details, grounding grid plan and details, lightning protection and yard lighting plans, and bills of materials.

· Perform and review substation studies and calculations including short circuit, busbar force, grounding, lightning analysis, conduit fill and voltage drop.

· Perform QA/QC for substation project deliverables

· Support bid and execution phase design and consulting services.

· Support HV Substations tendering processes up to 400 kV

· Support HV Substations owner´s engineering up to 400 kV

· Support HV Substations procurement processes up to 400 kV

· Technical Specifications of HV equipment

· Design HV Substation Control and Communication Systems. Develop and review detailed single-line and multi-line AC/DC diagrams, control logic (both wired and IEC 61850 programmable), and busbar/bay interlocking schemes.

· Design advanced communication architectures connecting the step-up substation with generation plants (PV, wind), Battery Energy Storage Systems (BESS), Data Centers, collector substations, and remote-control centers.

· Implement IEC 61850 based redundant network topologies such as PRP, HSR, and RSTP

· Execute rigorous FAT (Factory Acceptance Tests) and SAT (Site Acceptance Tests)

· Lead Step Up Substation integration and commissioning including Collector Substation, dispatch and Control Center or other BESS or renewable plants.

· Coordinate end-to-end communication tests with REE Dispatch Center, including telemetry, metering, and frontier counting systems.

Does this role inspire you?

We are looking for a proactive and highly specialized professional to join our Energy team as specialist in HV Substations Electrical Engineering. Ideally, you’ll bring:

· A Bachelor’s \ Master’s degree in electrical engineering,

· 5+ years of proven experience in the design, implementation, and commissioning of high-voltage substations alongside other systems integration.

· Strong technical expertise in substation control systems, protection schemes, and advanced substations detailed engineering design

· Fluent in Spanish and English (spoken and written).

Bonus points if you have:

· Detailed Engineering and/or Owner´s Engineering services related to HV Substations track record up to 400 kV

· AIS / GIS HV Substations Engineering design track record up to 400 KV

· Overhead \ Underground Power Transmission Lines Design experience up to 400 kV

· Power Systems simulation tools knowledge such as DIgSILENT PowerFactory, ETAP for power system studies

· Knowledge of Electrical norms IEC, IEEE, ANSI, UNE, NTS 2.1, Grid Codes

· Familiar with local companies’ standards REE, Iberdrola, ENEL …

· P&C and SCADA Systems experience

· Energy Storage BESS, Renewables, Data Canters and TSO 220/400 kV Substations integration deep understanding

· HV Substations commissioning process in Spain deep understanding

· Permitting process in Spain for HV Substations (AAP, AAC…) before RTB deep understanding

· Legalization process for energization after mechanical completion (Exploitation permit, EON…) deep understanding

· Commissioning experience with REE TSO collector substation tests coordination

Conditions

Immediate incorporation

How to apply for this vacancy?

To apply for this vacancy, register your updated CV and a cover letter in English.

Why Arup?

At Arup, we offer a rewarding career with a global company committed to a better future. Our unique trust ownership structure allows us to prioritize meaningful work and invest in our people. We also offer a unique profit share program, allowing our members to share in the results of our collective efforts.

Benefits that work for you:

· Professional Growth & Development: Benefit from continuous learning opportunities, training programs, and mentorship to enhance your skills and advance your career at Arup.

· Global Opportunities: Collaborate with colleagues worldwide and explore potential short-term or long-term assignments at other Arup offices and project locations.

· Financial Well-being & Ownership: Receive a competitive salary and benefits package and share in Arup's success through our global profit-sharing programme.

· Work-Life Balance: We offer a hybrid working model and flexible working arrangements to support work-life balance.

· Well-being and Culture: Access to a range of well-being programs, including sports subsidies, social activities, and initiatives promoting a healthy work-life balance. We foster a diverse and inclusive culture where everyone feels welcome, respected, and valued.

Arup is recognized as one of the best companies to work for in Spain in 2024 by Actualidad Económica and Forbes magazine, thanks to our flexibility policies. We also adhere to the Code of Principles of Generational Diversity, committing to equal opportunities regardless of age.

At Arup, you belong to an extraordinary collective where individuality is encouraged. Our strength comes from how we respect, share, and connect our diverse experiences, perspectives, and ideas. You’ll have the opportunity to do socially useful work that has meaning—to Arup, to your career, and to the clients and communities we serve.

We are proud to be an equal opportunity employer and are committed to building a workplace that reflects the rich diversity of the world around us. We actively promote a culture of inclusion where everyone feels welcome, respected, and valued.

We welcome applications from talented individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, disability, ethnicity, religion, sexual orientation, or any other protected characteristic. We are committed to making our recruitment process and workplaces accessible. If you need any assistance or adjustments, please contact beatriz.estefania@arup.com. We’re here to support you.

Do you want to join us in shaping a better world?

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