Administrative Assistant

Salary Range: $55,000 - $80,000

For more than 90 years, ESFL has set the standard for safety and quality in the construction and fabrication industry.

ESFL Nuclear Services Division is an environmentally conscious, socially responsible EPC provider in the nuclear sector, offering engineering, procurement, and construction solutions.

Our Nuclear Services office in Darlington, Pickering, ON is looking for an Administrative Assistant to join our team.

Reporting to the Site Administrator, the Administrative Assistant will provide direct administrative and clerical support to project management and site personnel within a construction environment. The role ensures efficient coordination of documentation, communications, workforce administration, site logistics, and compliance-related processes while maintaining adherence to strict safety and security protocols.

• Provide day-to-day administrative support to the Site Admin, construction managers and site staff.
• Prepare, format, and distribute correspondence, reports, meeting minutes, and construction documentation (e.g., requests for information, overtime authorization requests, risk and issue logs).
• Coordinate and schedule meetings, manage site logistics, and project-related activities.
• Maintain accurate and organized electronic and hard-copy filing systems in accordance with ESFL document control standards.
• Track, update, and distribute controlled documents including drawings, procedures, work packages, and revisions.
• Liaise with internal departments (HR, Payroll, Safety) and external stakeholders.
• Monitor office and site supply inventory.
• Maintain confidentiality and proper handling of sensitive and controlled information.
• Ensure adherence to ESFL safety policies and nuclear safety standards.
• Accurate and high-speed data input and verification.
• Works cooperatively as part of a team.
• Communicate professionally and tactfully.
• Perform other similar or adjacent duties or responsibilities as determined by the supervisor.

• Diploma or certificate in Office Administration, Business Administration, or related field.
• 2-5 years of administrative experience, preferably in a construction environment.
• Experience working in a regulated environment (e.g., nuclear, energy, or heavy industry) is an asset.
• Strong organizational and multitasking abilities in a fast-paced environment.
• Proficient in Microsoft Office Suite (Word, Excel, Outlook).
• Familiarity with document control systems and construction workflows is an asset.

• Detail-oriented
• Excellent decision-making and critical thinking skills
• Strong organizational skills
• Results-driven
• Excellent communicator
• Team player

• Health & Safety Commitment
• Integrity
• Quality and Continuous Improvement

E.S. Fox Limited is an equal opportunity employer committed to providing an inclusive workplace. We will accommodate applicants with disabilities throughout the recruitment and selection process. Please advise Human Resources to ensure your accessibility needs are accommodated throughout this process.