Senior Administrative Assistant, HWP MPO & Construction Oversight

Canadian Nuclear Laboratories; Port Hope; Hybrid; CAD 50,000 - 70,000; Full time

Job summary

A leading organization in environmental technology is seeking a Senior Administrative Assistant for its Port Hope location. This role entails supporting the hiring process, managing directors' office activities, and providing administrative support to contribute to an efficient functioning of the departments. Ideal candidates will possess a College Diploma in Office Administration or substantial related experience, with strong organizational skills and attention to detail. The company fosters a hybrid work environment and is committed to diversity and community engagement.

Benefits

Paid time off

Tuition support

Pension

Qualifications

• College Diploma in a related discipline or Grade 12 with significant experience.
• Knowledge of administrative software and best practices.
• Ability to handle sensitive information with confidentiality.

Responsibilities

• Supporting team in hiring process and administrative support to directors.
• Managing office activities and screening correspondence.
• Maintaining accurate HR files and performing additional duties as required.

Skills

Effective communication skills

Organizational skills

Attention to detail

Ability to work independently

Education

College Diploma in Office Administration

Secondary school diploma (Grade 12)

Tools

Office 2013

Adobe/Foxit Phantom

Job description

Are you looking for a role that will challenge and engage you? Do you excel at staying organized, managing multiple priorities, and supporting leadership through clear, effective communication? If you answered yes, this could be the opportunity for you! Our Port Hope location is currently seeking a Senior Administrative Assistant to join the team. Bring your attention to detail, proactive mindset, and organizational expertise to a role where your contributions truly make a difference.

What will you be doing?

• Supporting the team in the hiring process.
• Managing each of the Directors' office activities and providing general support to ensure efficient functioning of the departments.
• Providing business administrative support to the Directors of Construction.
• Acting as a front-line contact for internal and external queries.
• Screening, prioritizing, and tracking all correspondence and redirecting as appropriate.
• Maintaining accurate files and HR information for updates.
• Performing other duties as assigned by your manager.

What we are looking for:

• Education
  • College Diploma in a related discipline (e.g., Office Administration) with 2-3 years of administrative experience, OR
  • Secondary school diploma (Grade 12) with a minimum of 5 years of related experience.
• Experience
  • Experience is an asset but not necessary.
• Knowledge, Skills & Abilities
  • Knowledge of administrative principles and software such as Office 2013 and Adobe/Foxit Phantom.
  • Effective oral and written communication skills.
  • Ability to work independently and meet deadlines.
  • Understanding of administrative best practices and basic financial practices.
  • Excellent business/administrative skills and adaptability to new software.
  • Strong organizational and time management skills under pressure.
  • Sound judgment, initiative, attention to detail, and confidentiality.
  • Ability to work with minimal supervision in a team environment.
• Security Clearance Eligibility
  • Reliability Status with Site Access Security Clearance (SASC), requiring 3-5 years of verifiable history in Canada, Australia, New Zealand, the U.S., or the U.K.

Why CNL?

Join us in advancing nuclear science and technology for a clean, secure future. We offer a comprehensive rewards package including paid time off, benefits from day one, tuition support, and a pension.

Location:

Port Hope, Ontario, a historic community about 100 km east of Toronto. CNL is a leader in environmental remediation at nuclear sites, committed to safety, environmental responsibility, and community engagement.

We support a hybrid work environment and are dedicated to diversity, equity, and inclusion. We are an equal-opportunity employer and provide accommodations during the hiring process upon request.