Electrical Engineer Contract Jobs in Riverside, CA

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AECOM is seeking a Senior Power Electrical Engineer - Medium & Low Voltage Distribution to be based in Orange, CA.

The responsibilities of this role also include, but may not be limited to, the following:

• Responsible for electrical engineering work in power distribution design.
• Working with Project Engineers and Project Managers on developing workload forecasts, design schedules, and budgets for electrical engineering work activities.
• Functioning as the “Engineer of Record” on projects.
• Performing Power system studies (load flow, short circuit, protective coordination, arc flash analysis).
• Providing technical support for business development activities such as developing proposals.
• Single line diagram development, medium voltage switch gear and low voltage switchboard design and specifications.
• Determine ampacity and develop Feeder and Cable Schedules.
• Substation and transformer design and specification.
• Protective relay and metering one line / three-line diagrams.
• Panel Schedules.
• Equipment layouts and sectional views.
• Connection Diagrams.
• Developing construction and equipment specifications.
• Supporting projects during construction, start-up, and commissioning.
• Grounding layouts.
• Lightening protection.
• Reviewing engineering work performed by peers.
• Attending client meetings.
• Client and site field visits.
• Conducting power system calculations including short circuit, arc-flash, and protective device coordination.

Minimum Requirements:

• Bachelor's degree plus 6 years of related experience or demonstrated equivalency of experience and/or education.
• Due to the nature of our contracts US Citizenship is required for this role.

Preferred Qualifications:

• Bachelor’s degree in Electrical Engineering.
• 7+ years of Electrical Distribution and Facility Electrical System engineering experience.
• Willingness to travel occasionally.
• Professional Engineer (P.E.) license.
• Able to participate in field walks and create field sketches, take dimensions, climb ladders, etc. as necessary.
• Experience working and collaborating with a team of electrical engineers.
• Very familiar with industry and federal codes and standards (NEC, NFPA, NESC, IEEE, UFC, etc).
• Experienced preparing drawings, specifications, and calculations involving medium voltage site distribution and facility designs.
• Performed detailed QA/QC engineering deliverable reviews.
• High preference for candidates with extensive design experience on medium voltage and low voltage distribution systems (for outdoor and indoor installations).
• High preference for candidates with experience in conducting power system analysis using software such as SKM Power Tools for Window and ETAP.
• High preference for candidates with experience in underground electrical distribution.
• High preference for candidates with experience with outdoor and indoor lighting design and photometric calculations using software such as Visual and AGI.
• High preference for candidates with experience and ability in interfacing with clients and code enforcing agencies.
• High preference for candidates that have excellent writing and oral communication skills including report writing and presentations.
• High preference for candidates with writing and editing technical specifications for power and lighting design.
• High preference for candidates with leading electrical design and supervising design teams including other electrical engineers, designers and drafting personnel.

• Sponsorship is not available for this position.

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.