Administrative Assistant

Canadian Nuclear Laboratories; Canada; On-site; CAD 45,000 - 65,000; Full time

Benefits offered by this job

Paid time off

Benefits effective Day One

Tuition support

Defined-benefit pension plan

Job summary

A leading nuclear science organization in Canada is seeking an experienced Administrative Assistant to join their team. The ideal candidate will demonstrate strong organizational and communication skills, coordinate multiple priorities, and handle confidential information. Responsibilities include managing schedules, correspondence, and administrative tasks. This full-time role is fully onsite at the Whiteshell site in Manitoba, offering a competitive benefits package and opportunities for professional growth.

Qualifications

• Minimum of 7 years of experience in an administrative role.
• Proven ability to work independently with minimal supervision.
• Ability to handle confidential information with discretion.

Responsibilities

• Coordinating appointments and meeting schedules.
• Handling communications and managing email correspondence.
• Maintaining accurate records and files.

Skills

Microsoft Office Suite

Strong written communication

Time management

Problem-solving skills

Team-oriented mindset

Education

Secondary School Graduation

Post-secondary training in Office or Business Administration

Tools

Oracle

SharePoint

ATOM

DevonWay

Job description

Overview

Are you looking for a role where your organizational strength and communication skills make a real impact every day? Do you like supporting a dynamic team, coordinating information, and helping leaders stay focused on what matters most? Can you see yourself managing sensitive information, juggling multiple priorities, and serving as a central point of connection for a large, fast‑paced division? Does the idea of keeping operations running smoothly, supporting multiple managers, and anticipating needs before they arise energize you?

If you answered yes, then becoming our Administrative Assistant may be the job for you!

Responsibilities

• Coordinating appointments, meetings, travel arrangements, calendars, catering, and document preparation for the Director and management team.
• Preparing correspondence, minutes, action lists, and supporting materials while prioritizing commitments.
• Handling communications, including responding to internal and external inquiries and managing email and phone correspondence.
• Tracking and following up on actions assigned to the Director, Manager, or division staff.
• Acting as a liaison between leadership and staff within the division.
• Maintaining accurate records, files, and follow‑up systems for outstanding issues.
• Composing, formatting, and issuing correspondence, agendas, minutes, reports, and presentations to meet Canadian Nuclear Laboratories (CNL) document standards.
• Managing electronic filing systems, public folders, and shared workspaces.
• Handling confidential information related to staffing, human resources processes, and financial documents.
• Assisting with gathering information for requests to hire, performance management, and succession planning.
• Updating skills by attending required training, reviewing materials, and participating in seminars.
• Identifying and reporting safety concerns and complying with all Workplace Hazardous Materials Information System (WHMIS) and safety procedures.
• Managing administrative tasks such as ordering supplies, photocopying, printing, submitting IT or maintenance requests, arranging travel, and processing expense reports.
• Other duties as assigned by your manager.

Qualifications

• Education
  • Secondary School Graduation.
  • Post‑secondary training in Office or Business Administration, or a similar field.
• Experience
  • A minimum of 7 years of experience in an administrative role, or an equivalent combination of experience and training.
• Knowledge, Skills & Abilities
  • Proficiency in Microsoft Office Suite, including Word, Excel, PowerPoint, SharePoint, and Outlook.
  • Strong written communication skills, including editing, grammar, spelling, and document handling.
  • Excellent time management and the ability to prioritize, multitask, and meet deadlines.
  • Strong problem‑solving skills and attention to detail.
  • Ability to work independently with minimal supervision.
  • Team‑oriented mindset with the ability to promote a positive work environment.
  • Demonstrated tact, diplomacy, discretion, and sound judgment when handling confidential information.
  • Ability to work efficiently in a fast‑paced environment.
  • Knowledge or willingness to learn CNL business systems, including Oracle, ATOM, DevonWay, myCNL, and other platforms.
  • An understanding of Quality Assurance requirements is considered an asset.
  • Ability to use office equipment such as printers, photocopiers, scanners, and audio/video conferencing tools.
• Security Clearance Eligibility
  • Reliability Status with Site Access Security Clearance (SASC), which has a minimum requirement of 3‑5 years of verifiable history in Canada, Australia, New Zealand, the United States and/or the United Kingdom. CNL implements security screening in accordance with the Treasury Board of Canada Secretariat's “Standard on Security Screening” and the “Policy on Government Security.”

Working Conditions

• Working schedule: Four (4) days per week, ten (10) hours per day for a forty (40) hour work week, starting at 6:00 a.m. to 4:30 p.m.

Why CNL?

Does the idea of working with a dynamic team across Canada to advance nuclear science and technology for a clean and secure world excite you? At CNL, we’re reinventing ourselves to be industry leaders—pioneering solutions to the problems that matter most.

From building the next generation of clean nuclear and hydrogen energy technologies, to developing targeted cancer treatments, to continuing our global leadership in environmental remediation—we are driven by impact, innovation, and purpose.

What We Offer: A Total Rewards Package

We believe in taking care of our people. Here’s what you can expect as part of our team:

• Paid time off: vacation, sick, personal, and floater days
• Benefits effective Day One – no waiting period
• Tuition support to help you keep learning and growing
• A defined-benefit pension plan for your future security

Do Our Priorities Resonate with You?

• Delivering clean energy for today and tomorrow
• Restoring and protecting the environment
• Contributing to the health of Canadians

If so, you’ll feel right at home at CNL.

Location: Onsite

Located near Pinawa, Manitoba, our Whiteshell site is surrounded by pristine lakes, rivers, and forests — a true haven for outdoor enthusiasts. The area offers a peaceful, close‑knit community atmosphere, ideal for those who enjoy nature, recreation, and a balanced lifestyle.

Please note: This is a fully onsite position based at our Whiteshell site, Manitoba.

We are an equal opportunity employer. If you require accommodation during any phase of the hiring process, please let us know via [e-mail]. All requests will be handled with confidentiality.

Whiteshell Laboratories is situated on the traditional lands of Treaties 1 and 3, and near Treaty 5. This land is the home of the Anicinabe, Ojibway Anishinaabe and the National Homeland of the Red River Métis. We recognize Indigenous history and rights and are committed to understanding and respecting the Indigenous history, rights and title associated with this land.