Principal Secondary Substation Engineer (Protection&Control)

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 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.

Position Summary:

The T&D Secondary Systems Engineer is responsible for assisting in the design, implementation, and maintenance of secondary systems within the transmission and distribution Substation. This role provides an opportunity to work on various projects related to protective relaying, control systems, and communication networks, ensuring the reliable and efficient operation of the T&D systems.

Key Responsibilities:

• Design and Implementation:
  • Responsible for the electrical engineering secondary circuits for HV Substations
  • Provide mentorship for the other electrical engineers in our High Voltage/Power team
  • Working with Project Engineer and Project Manager on developing design schedules and budgets for electrical engineering work activities
  • Assist in the design and development of secondary systems for T&D projects.
  • Support the implementation and commissioning of protective relay schemes, control systems, and communication networks.
• Documentation and Reporting:
  • Prepare technical documentation, including design specifications, reports, schematics;
  • Generate basis of design documentation for protection and relay configurations
  • Generate reports on system performance, project progress, and testing outcomes.
  • Reviewing engineering work performed by peers
  • Supporting projects during construction, start-up, and commissioning
  • Ensure compliance with industry standards, company specifications, and regulatory requirements.
• Collaboration and Support:
  • Work closely with senior engineers, project managers, and other stakeholders to ensure successful project delivery.
  • Provide technical support during project execution and address any issues related to secondary systems.
  • Review and approve technical documentation, including design drawings, specifications, and reports.
• Compliance and Standards:
  • Ensure all designs and implementations comply with industry standards, company policies, and regulatory requirements.
  • Stay updated with the latest technological advancements and industry best practices.

Mandatory qualifications:

• Education: Bachelor’s degree in Electrical Engineering or a related field.
• Experience: Minimum 10 years of experience in Secondary Substation Systems
• Skills:
  • Advanced knowledge of electrical engineering secondary substation system;
  • Strong expertise in:
• Protection and control system design for HV substations (line, transformer, busbar, and feeder protection schemes)
• Substation automation systems and SCADA integration
• Protection coordination studies and relay settings philosophy
• Control logic, interlocking schemes, and communication networks
• Integration of protection systems with primary equipment and system studies

• • Experience on full EPC, Design/Build projects from start to complete design and construction.
  • Provides specialized technical input to studies and design for staff's specific area of expertise
  • Participates in interdisciplinary review of project deliverables
  • Senior technical resource may serve as technical advisor and lead for team
  • Strong analytical and problem-solving skills
  • Excellent communication and teamwork abilities

Nice to have:

· Good knowledge of Mapping and Relay Settings for ABB Relays Family, GE Relays Family, Siemens Relays Family & SEL Relays Family.

· Commissioning Field Experience

· Knowledge of the Control Equipment (Protection Relays, PLC, Concentrators, etc.)

• Experience working on UK transmission or distribution substation projects
• Exposure to National Grid standards and protection philosophie
• Experience with IEC 61850 substation automation systems
• Experience with protection relays such as ABB, GE, Siemens, or SEL
• Proficiency in using engineering software tools (e.g., AutoCAD, ETAP).

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.