Company Description We are Olsson. We engineer and design solutions that improve the world around us. As a company, we promise to always be responsive, transparent, and focused on results – for our people, our clients, and our company. We’re a people-centric firm, so it’s no surprise our greatest asset is our people. The impact this creates is an environment that encourages our people to grow and be creative with their talents. This approach builds a culture that is uniquely Olsson. It allows us to grow our people as we grow our business. This, in turn, creates a lasting impact on the world around us. Job Description As a Senior Electrical Engineer, you will work directly with some of the world’s largest technology companies and other mission-critical clients. You will serve as an electrical engineer on projects, design calculations, write technical reports, and prepare documents. Experience in the Data Center industry is preferred. You will also coordinate with other Olsson teams, professional staff, technical staff, and clients. Qualifications You are passionate about: - Working collaboratively with others. - Having ownership in the work you do. - Using your talents to positively affect communities. You bring to the team: - Strong communication skills - Ability to contribute and work well on a team - Bachelor's degree in electrical engineering - 8+ years of electrical engineering experience - Licensed PE - Ability to be a self-starter to take on a variety of tasks to best serve the client and their project work - Investigation and troubleshooting of problems to find solutions #LI-DNP Additional Information Olsson specializes in engineering and design, client advisory services, planning, field services, and environmental. Improving the world has been our mindset from the very beginning, back when Olsson first opened for business in 1956. And it will be our mindset for years to come. As an Olsson employee, you will: - Receive a competitive 401(k) match - Be empowered to build your career with tailored development paths - Have the possibility for flexible work arrangements - Engage in work that has a positive impact on communities - Participate in a wellness program promoting balanced lifestyles In addition, full-time employees will receive our traditional benefits package (health care, vision, dental, paid time off, etc.) and the opportunity to participate in a bonus system that rewards performance. Olsson is an Equal Opportunity Employer. We encourage qualified minority, female, veteran, and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment or any employee because of race, color, religion, national origin, sex, sexual orientation, gender identity, gender, disability, age, military status, or other protected status. Olsson understands the importance of privacy and is committed to protecting job applicants’ personal information. Pursuant to the California Consumer Privacy Act, as amended by the California Privacy Rights Act (collectively, the “CCPA”), this notice explains Olsson’s practices regarding the collection, use, and disclosure of personal information for job applicants residing in California. Please read this Notice carefully to understand our privacy practices. For more information about the types of information we collect and how we use it in connection with your general access and use of our website, please review our general California Privacy Notice here.

• Lead the design of AC /DC overhead/underground high-voltage (HV) transmission lines (69 kV–500 kV or higher). • Perform structural analysis and loading calculations for various structures. • Conduct transmission line routing studies and feasibility analyses. • Develop plan & profile drawings and design reports. • Serve as technical lead or lead engineer on projects. • Provide quality control reviews and coordinate with teams.

• Lead the design of new, expanded, and upgraded electrical substations (typically 69kV through 500kV). • Develop and review substation designs including: Physical layouts and general arrangements, Bus configurations and equipment arrangement, Grounding systems and lightning protection, Raceway and cable schedules, Equipment foundations and integration with civil/structural designs. • Perform and review electrical calculations, including: Ground grid analysis, Short-circuit and relay coordination support, AC/DC system design. • Prepare construction drawings, technical specifications, design reports, and material lists. • Coordinate substation design with protection and control engineers, SCADA, and communications teams. • Support breaker, transformer, relay, and protection scheme selection and integration. • Ensure designs comply with applicable utility standards and power system requirements. • Serve as lead engineer or technical authority on substation projects. • Provide quality control reviews of drawings, calculations, and specifications. • Collaborate with civil, structural, geotechnical, transmission line, and environmental teams. • Support project managers with: Scope development, Cost estimating, Scheduling and risk identification. • Mentor junior engineers and designers.

• Lead the design of overhead and underground electrical distribution systems, typically ranging from 4 kV to 35 kV. • Develop design packages for: New distribution lines and system expansions System hardening and resiliency upgrades Reconductoring and voltage conversion projects Service extensions and customer interconnections. • Prepare construction drawings, material lists, staking sheets, and technical specifications. • Perform system calculations including: Voltage drop Short-circuit analysis Load analysis and feeder balancing. • Apply utility standards, specifications, and design criteria to distribution projects. • Coordinate designs with transmission, substation, protection, and civil teams. • Mentor junior engineers and designers. • Support construction through: Review of contractor submittals Responses to RFIs Site visits and field observations.