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Electrical Junior Designer Intern - Summer 2026
Salas O'Brien
Employee‑owned engineering and technical consulting firm delivering multidisciplinary solutions across built, energy & process sectors.
Electrical engineering design intern duties including calculation, design of lighting systems, inputting data into Revit model, and coordinating with other trades.
14d ago
Entry-level
Internship
Portland, ME
Office Full-Time
Company Size
3,850 Employees
Service Specialisms
Engineering
Consulting
Architecture
Design
Technical Services
Sector Specialisms
Process & Manufacturing
Civil
Aviation & Transportation
Building Science
District Systems
Decarbonization & Geothermal
Mechanical, Electrical, Plumbing, and Fire Protection
Structural
Role
What you would be doing
revit model
site visits
circuit calculations
design coordination
contractor rfis
panel automation
Visit project sites to gather information on existing conditions during the design phase
Coordinate with Fire Protection designers for power feeds and fire alarm interface
Review contractor requests for information (RFI) and provide suggested responses based on knowledge of design intent
Perform calculations for circuit sizing, lighting levels, equipment sizing, building loads and similar analysis
Visit construction sites during construction phase to review and observe ongoing construction and resolve contractor questions
Communicate effectively with architects to coordinate locations of fixtures, devices, and equipment
Communicate effectively with senior staff and management for design process and schedule
Coordinate with manufacturers for the above systems
Receive markups from senior staff and enter data into Revit
Maintenance and input of electrical Revit model including:
Coordinate with mechanical trade designers for design of power feeds to mechanical equipment
Review contractor submittals and compare to design schedule and specifications
Communicate effectively with teammates for inter-trade design coordination
Produce minor markups at times for corrections and design
Panel board load sheet automation
Input design into Revit Model for above systems
What you bring
autocad
revit
engineering tools
receptacles
communication
degree
Receptacle placement
Strong communication skills and the ability to work effectively in a collaborative team environment.
Prior internship or co-op experience in the AEC industry is a plus, but not required.
Lighting and power receptacle circuiting
Genuine passion for the AEC industry and eagerness to learn and contribute to meaningful projects.
Experience in CAD software (e.g., AutoCAD, Revit) and familiarity with other engineering analysis tools (e.g. generator vendor sizing tools, power distribution equipment modeling tools, SKM, Easy Power, Elum Tools and AGI32) is advantageous.
Ability to adapt to changing priorities and work tasks, with a willingness to perform duties onsite or at project locations as required.
Currently enrolled in a Bachelor's or Master's degree program in Electrical Engineering or a related field.
Generates $20 billion in annual construction value across 17,300+ projects each year.
95 offices
Global Presence
Expanded to over 95 offices delivering high-impact, complex projects worldwide.
#9
MEP Giants Ranking
Recognized as #9 in the MEP Giants ranking among top design firms.
25 firms
Acquisitions
Acquired over 25 firms since 2019 to bolster sector reach.
Firm has grown through strategic mergers and innovation in engineering and technical consulting.
Excels in designing built environments through MEP, structural, civil—and in energy via renewables, decarbonization, and resiliency.
Stacks process design and integration expertise to serve pharmaceutical, food & beverage, utilities, and industrial clients.
Offers advanced solutions including litigation support, digital twins, envelope testing, and automation controls.
Work spans commercial, corporate, hospitality, healthcare, campuses, critical environments, and large infrastructure projects.
Impacted nearly a billion square feet of building space annually and prides itself on seamless delivery—one design, one team.
Culture + Values
Recognize that we are all owners with direct influence on the success of our company.
Do what is right, setting the standard for performance, integrity, and professionalism.
Provide positive energy, passion, and commitment to everything we do.
Embrace positive change and challenge the status quo.
Encourage the growth of our owners through training and opportunities for leadership.
Ensure the continuity of the firm through succession planning.
Contribute meaningfully to our communities.
Be open, direct, positive, and respectful to everyone.
Promote teamwork through commitment and trust.
Constructively communicate intentions and expectations.
Have fun together.
Recognize and reward accomplishments.
Manage performance fairly and consistently.
Attract and retain outstanding employee owners.
Set and achieve ambitious goals.
Be accountable for our actions.
Properly plan and execute all projects to ensure a reasonable profit.
Achieve life cycle cost savings for clients through resource conservation and sustainable design.
Tailor designs to each project, balancing project cost, maintenance, and performance.
Continuously improve our delivery to customers.
Serve each client as though they’re our only client.
Maintain a financially healthy firm.
Capitalize on opportunities to strengthen the firm.
Environment + Sustainability
100% Offset
Operational Energy
In-house services offset 100% of operational energy through design.
~238,000 Homes
Solar Array Power
Engineered one of North America’s largest DoD solar arrays.
800k Metric Tons
GHG Savings
Annual emissions avoided by solar array.
800 Panels
PV System
Flagship Walgreens store features an 800-panel PV system.
In‑house net zero architecture targets: offset 100% of operational energy through design services.
Delivered flagship zero‑energy Walgreens store with geothermal, LED/daylight controls, LEED Platinum, Green Globes, Living Building Challenge, ASHRAE Technology Award.
Support clients with climate‑related master planning (e.g., Princeton’s 180‑building conversion to low‑temp hot water system toward net zero by 2046).
Designed CHP system for pharma plant aiming carbon neutrality by 2025 and carbon‑negative by 2030.
Execute energy audits, resource‑efficiency plans, decarbonization consulting, energy modeling, lifecycle cost analysis, district energy systems, microgrids, geothermal/renewables.
Firm offers full net‑zero and sustainability consulting services including LEED, WELL, Fitwel, SITES, Parksmart, Living Building Challenge.
Publicly announced net zero service offerings; no stated corporate net zero target date.
Inclusion & Diversity
Fosters a diverse, equitable, and inclusive environment as part of its ESG model.
Employee‑owner model: attracts and retains outstanding employee owners through fair performance management and recognition.
Leadership is committed to building a broader talent pool representing a wider spectrum of backgrounds and experiences.
No gender‑specific workforce statistics are available in public materials.
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