Senior Electrical Engineer (Hybrid)

Tetra Tech; Mississauga; Hybrid; CAD 80,000 - 100,000; Full time

Job summary

A leading engineering firm is seeking an Intermediate/Senior Electrical Engineer to join its team in Mississauga, Ontario. The position involves leading the design of protection and control systems for electrical projects. Required qualifications include a degree in Electrical Engineering and PE registration, along with extensive experience in P&C engineering. The firm offers comprehensive benefits and promotes a collaborative work environment, emphasizing your career growth while making a positive impact on projects.

Benefits

Comprehensive benefits package

Merit-based financial rewards

Work/life balance commitment

Learning and development opportunities

Qualifications

• 4+ years of experience in P&C engineering for transmission and renewable energy projects.
• Ability to lead multiple projects and manage timelines.
• Familiarity with cybersecurity best practices.

Responsibilities

• Lead the design and development of protection and control systems.
• Oversee SCADA system architecture and configurations.
• Provide technical guidance and mentorship to junior engineers.

Skills

Protection and control systems design

Relay logic programming

SCADA architecture

Protective relays

Communication protocols (DNP3, Modbus)

Education

Bachelor’s or Master’s Degree in Electrical Engineering

Professional Engineer (PE, P.Eng.) registration

Tools

ETAP

SEL protection relays

Siemens protection relays

ASPEN

CYME

Job description

Tetra Tech is adding a Intermediate/Senior Electrical Engineer (Protection and Controls) to our Power team. This role can be performed anywhere in the US or Canada.

Why Tetra Tech:

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting‑edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact:

Join Tetra Tech to make a real difference. Our work leverages cutting‑edge technologies, advanced analytics, and the expertise of world‑class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Position Summary:

We are currently seeking an Intermediate/Senior Electrical Engineer for our Mississauga, Ontario office (this role can be performed anywhere in the US or Canada). This is an existing vacancy for which we are actively recruiting. To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Essential Job Functions:

• Lead the design and development of protection and control (P&C) systems for transmission, distribution, and renewable energy projects, including AC/DC schematics, single‑line diagrams, wiring diagrams, relay logic diagrams, relay panel layouts, and communication network diagrams.
• Perform coordination studies and relay programming.
• Oversee SCADA system architecture, RTU configurations, IEC 61850 GOOSE messaging, and substation automation.
• Plan, schedule, and monitor project work to ensure alignment with timelines, resource allocation, and reporting to the Discipline Manager and Project Manager.
• Provide technical guidance and mentorship to junior and intermediate engineers.
• Ensure compliance with applicable standards (CSA, IEEE, NERC, NFPA 70, etc.) and client specifications.
• Collaborate with utilities, developers, and EPC contractors to define project requirements.
• Assist in preparing technical proposals and estimates.
• Prepare technical specifications, reports, and engineering documentation.
• Interface with clients, vendors, and multidisciplinary teams to drive project success.

Required Qualifications:

• Bachelor’s or Master’s Degree in Electrical Engineering.
• Professional Engineer (PE, P.Eng.) registration in the Unites States or Canada is required.
• 4+ years of experience in P&C engineering for transmission, distribution, HVDC and renewable energy projects.
• Strong knowledge of protective relays, control systems, SCADA architecture, and communication protocols (DNP3, Modbus, IEC 61850, GOOSE messaging, etc.).
• Experience with SEL, GE, and Siemens protection relays.
• Familiarity with RTU and Power Plant Controller programming.
• Proficiency in ETAP for system analysis and relay coordination; experience with ASPEN, CYME, EasyPower, SKM, and PSCAD is considered an asset.
• Familiarity with substation automation, Interconnection NERC compliance reports, NERC CIP compliance, and cybersecurity best practices.
• Ability to lead multiple projects, manage timelines, and effectively interact with clients.

Physical Requirements:

• Ability to sit or stand as required and remain in a stationary position for at least 50% of the workday.
• Frequent use of hands and fingers to handle, manipulate, or feel objects, including continuous operation of a computer and other standard office equipment such as calculators, copiers, and printers.
• The majority of work is performed in a professional office setting.
• Periodic travel may be required and could involve limited exposure to extreme temperatures. Travel may include air travel, during which the employee may be required to remain seated for extended periods.

Additional Information

Tetra Tech offers comprehensive benefit options that allow employees to design a plan based on individual needs and assists in planning for long‑term financial security. Available benefits include medical, dental and vision insurance, term life, disability, accidental death & dismemberment coverage, time off with pay, retirement plan, and an Employee Stock Purchase Plan.

The perks of working at Tetra Tech include:

• Comprehensive and market‑competitive benefits.
• Merit‑based financial rewards.
• Flexibility and company‑wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

About Tetra Tech:

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high‑end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science ® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Techis proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law.

Tetra Tech may use AI‑enabled tools to screen, assess, and assist in selecting applicants for this position based on job‑related criteria. However, a human decision‑maker will decide who moves forward throughout every stage of the hiring process.

We invite applications from all interested parties.

Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities: