Senior Physical Design Engineer Jobs in Delaware

Asplundh Engineering Services (AES) is growing—and we’re looking for a Senior Electrical Engineer, Physical Substation Design, who is ready to shape the future of power infrastructure. 

Join our talented engineering team and play a key role in delivering innovative substation design solutions that keep the grid safe, reliable, and resilient.

At AES, you’ll be part of a collaborative engineering community within the Asplundh Infrastructure Group, working across the full lifecycle of critical utility projects—from concept and design, through construction and commissioning, all the way to maintaining in‑service assets. Our work powers communities, supports major utilities, and drives the next generation of energy technology.

About the Role

As a Senior Substation Physical Design Engineer, you will lead teams and/or contribute to project teams to develop custom engineering solutions that directly support our customers’ toughest challenges. This role is ideal for someone who thrives in a fast‑paced, evolving industry and wants to make a visible impact through technical excellence and innovative thinking.

This position includes a remote work schedule, giving you the freedom to contribute meaningfully—without relocating—while teaming up with a dynamic, nationwide crew that collaborates seamlessly across time zones.

Candidates responding to this posting must independently possess the eligibility to work in the United States, for any employer, at the date of hire. This position is ineligible for employment Visa sponsorship.

What You’ll Do

In this role, you’ll take on a variety of high‑impact technical responsibilities that are essential to delivering safe, reliable, and innovative solutions. You’ll work hands‑on with complex systems, collaborate across disciplines, and help guide projects to successful outcomes. Your work will include, but is not limited to:

• The conceptual, preliminary and final detailed design of new, upgraded and expanded medium voltage and high voltage systems including: Electrical Arrangement, Electrical Sections (Elevations), Electrical Connection Details, Below Grade Conduit Plan and Details, Cable Trench Plan and Details, Equipment Grounding Plan and Details, Lightning Protection Plan, Outdoor Illumination Plan, Detailed Bill of Material, Electrical Grounding
• Specification and purchase of equipment
• Design and construction estimates
• Working on project teams supporting all quality and project management goals
• Leading, planning, and coordinating projects with limited supervision
• Understanding and delivering results based on client specific standards and requirements
• Training and developing junior personnel
• Leading project teams and interfacing with the customer to deliver a quality product by scheduled delivery date
• Act as the OE (Owner’s Engineer) responsible for reviewing designs and supplying design team with requested information to complete a project
• Maintain and update engineering standards to ensure high quality products
• Assist with Project management to deliver projects on time and within budget
• Work with Clients, Salesman, Managers and Engineers to coordinate project designs
• Work with sub-consultant(s) to coordinate deliverables 

What You Bring

• 8+ years of experience in high and medium voltage design engineering
• Knowledge of applicable NEC, NESC, and IEEE/ANSI standards
• Design experience in transmission, substation, distribution, or generation
• Design experience in medium and high voltage renewable generation interconnections
• Experience with electrical equipment such as: MV and LV switchgear, pad mount transformers, Station Class Transformers, panel boards, breakers, protective relays, inverter, battery, battery chargers, disconnect switches, surge arrestors, dead front disconnect switch, medium voltage cable, low voltage cable, control cable, fiber optic cable
• Proficiency in computers using Microsoft programs
• AutoCAD & REVIT experience
• Project management software experience
• Ability to travel up to 10% of the time

 Education & Credentials

• B.S. in Electrical Engineering or Electrical Engineering Technology
• Engineer in Training (EIT) professional certification, Registered PE preferred

Bonus Points If You Have

• M.S. in Electrical Engineering, Engineering Technology, or related field

Compensation & Pay Transparency

What We Offer

• Medical, dental, and vision coverage starting on day one
• Retirement plan to help you secure your future
• Company‑provided life insurance for added peace of mind
• Supplemental life insurance options, including spouse and child coverage
• A variety of voluntary Aflac supplemental insurance programs
• Long‑term disability coverage
• Pre‑paid legal plan
• Employee Assistance Program (EAP) to support personal and professional well‑being
• Paid time off to recharge and refresh
• Paid holidays
• Access to employee discount programs and helpful resources

Who We Are

About Us

Asplundh Engineering Services (AES) brings over 100 years of expertise to deliver top-notch engineering, design, planning, and testing services for transmission, distribution, substation, and renewable infrastructure markets across the U.S.

An Asplundh Company

As part of the Asplundh family, AES benefits from extensive resources and a century of experience. Together, we provide utilities with comprehensive end-to-end services, from design to construction, testing, and maintenance, ensuring reliability and peace of mind.

Our Commitment

At AES, we believe in tackling challenges together with our customers, leveraging our collective experience and resources to achieve success in every project.