Full-time State/Province: Madrid Business Group: DCS Legal Entity: AECOM SPAIN DCS S.L.U. Business Line: Transportation Work Location Model: Hybrid Operating Group: Group Support Primary Location: ES - Madrid - C/Alfonso XII

Company Description Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a general team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description We are seeking an experienced

Senior Engineer - T&D; Overhead Transmission Lines

to join our growing Transmission & Distribution team. The successful candidate will play a leading technical role in the design and delivery of high-voltage and extra-high voltage overhead transmission line projects worldwide, supporting the expansion, reinforcement and modernization of electrical networks associated with the energy transition.

This position requires extensive experience in overhead transmission line engineering, including route alignment, line design, mechanical and electrical studies, and multidisciplinary coordination. The Principal Engineer will act as a technical authority within the team, leading complex engineering tasks, reviewing design deliverables, mentoring engineers, and ensuring the highest standards of technical quality throughout project delivery.





The role offers the opportunity to participate in major international transmission infrastructure projects across multiple regions and regulatory environments.

Key Responsibilities

Transmission Line Engineering and Technical Leadership

Lead the engineering of HV/EHV overhead transmission lines, typically ranging from 110kV to 400kV+

Develop and review route alignments, tower spotting studies, conductor and earth wire selection, insulation coordination and line clearances.

Lead advanced modelling and design activities using PLS-CADD.

Perform and review complex line design studies and ensure compliance with client specifications and industry standards.

Coordinate with civil teams regarding tower loading requirements and foundation design.

Transmission Line Calculations and Technical Studies

Perform and review key electrical and mechanical transmission line calculations, including:

Sag‑tension calculations.

Conductor blowout studies.

Electrical clearance verification.

Thermal ampacity assessments.

Corona and radio interference studies.

Shielding and lightning performance evaluations.

Load tree generation and tower loading analysis.

Engineering analysis is typically performed using PLS-CADD, TOWER, or PLS-POLE.

Project Delivery and Coordination

Lead engineering work packages within multidisciplinary transmission projects.

Coordinate activities with structural, geotechnical, environmental and power system engineering teams.

Support project managers in planning engineering activities and managing technical risks.

Contribute to technical proposals, fee estimates and resources planning.

Technical Review and Mentoring

Review drawings, models,



calculations and technical reports produced by other engineers.

Provide guidance and mentorship to junior and senior engineers.

Promote engineering excellence, best practices and continuous improvement within the team.

Support the development of internal procedures and technical standards.

Construction and Site Support

Tower erection and foundation works

Conductor stringing operations

Resolution of site-related technical issues and field design adjustments

Qualifications Mandatory Qualifications

Education

Bachelor’s degree in Electrical Engineering, Civil Engineering, or Structural Engineering.

Experience

Typically 10+ years of experience in overhead transmission line engineering.

Proven experience working on HV/EHV transmission line projects (110kV – 400kV+)

Advanced experience with PLS-CADD

Practical experience using TOWER

Experience delivering projects through feasibility, concept, detailed design and construction support phases.

Experience reviewing technical deliverables and coordinating multidisciplinary engineering activities.

Strong written and verbal communication skills in English.

Preferred Qualifications

Experience with PLS-POLE

Experience in underground transmission cable projects

Familiarity with CYMCAP for cable ampacity analysis

Experience working on international transmission projects

Knowledge of IEC, IEEE, EN and utility-specific standards

Experience with UK, European, Middle East or North American transmission utilities

Leadership and Soft Skills

Strong technical judgement and analytical skills.

Ability to lead complex technical discussions.

Strong communication and stakeholder management skills.

Ability to mentor engineers and support technical growth within the team.

Ability to work effectively within international and multidisciplinary environments.

Additional Information At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent

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📌 Senior Engineer - T&D Overhead Transmission Lines (Madrid)
🏢 AECO
📍 Madrid