Electronic Systems and Security Designer | Building Services

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 global team of over 52,000 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

AECOM Building Engineering team is at the forefront of their discipline for the design of the mechanical, electrical and public health (MEP) systems required for the safe, comfortable and environmentally friendly operation of buildings. We embrace world class methodologies and technologies, including information rich Building Information Modelling (BIM) to facilitate more efficient ways of working and design at all stages of the project life-cycle.

We are seeking a Senior Engineer with strong expertise in the design of Telecom and Electronic Security Systems to join our team in Spain. This role is focused on professionals who are passionate about developing detailed technical designs for building facilities and who want to grow within multidisciplinary projects of medium to high complexity in an international environment.

Our projects span sectors such as Industrial, Healthcare, Education, Leisure, Aviation, Commercial, and Defense. If you enjoy solving complex technical challenges, working with precision, and bringing innovative design solutions to life—this role will inspire and stretch your engineering potential.

Key Responsibilities

• Design integrated electronic security systems: CCTV, access control, intrusion detection, and associated infrastructure.
• Produce detailed technical documentation: calculations, schematics, diagrams, technical reports, and specifications.
• Define camera and device layouts, considering field-of-view, coverage, and blind spot minimization.
• Coordinate design with architectural, mechanical, electrical, and plumbing teams to ensure functional integration of systems.
• Participate in technical coordination meetings and collaborate on spatial requirements for telecom systems.
• Propose technical solutions to new challenges and identify discrepancies in results.
• Contribute to the development of technical proposals for bids and new projects

Qualifications

• Bachelor’s degree in Telecommunications, Electrical Engineering, or a related field.
• Minimum of 5 years’ experience designing electronic security systems for building facilities.
• High level of proficiency in both English and Spanish, written and spoken.
• Knowledge of applicable regulations and industry standards in electronic security.
• Experience in evaluating and selecting technology vendors.
• Proficiency in design tools such as AutoCAD, Visio, and Revit.
• Desired experience in wired and wireless telecom infrastructure, voice alarm evacuation systems, and building control and monitoring systems.
• Previous international project experience is highly valued.
• Strong command of Microsoft Office.
• Excellent analytical thinking, problem-solving skills, and attention to detail.

Additional Information

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM  

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work  

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.