Are you looking for a role where your organizational skills and attention to detail truly matter? Can you see yourself providing administrative support to help ensure the office operates efficiently every day? Are you comfortable applying your knowledge of administrative concepts, practices, and procedures to support a busy office? If you answered yes, the Administrative Assistant role may be the right fit for you—apply today!

What will you be doing!

Providing administrative assistance to the Manager and overseeing the Department office operations.
Booking meetings and providing oversight to the Manager’s schedule/calendar.
Coordinating conference room bookings and taking notes at meetings, making catering arrangements.
Maintenance of housekeeping to ensure a smooth workflow and a safe working environment.
Acting as the department’s main contact to answer questions, obtain and provide information to stakeholders within and outside the organization, ensuring timely and accurate responses.
Ensuring adequate supplies of office materials by ordering stock and purchasing other standard items as requested.
Prepare i-req’s for quotes and/or purchase orders.
Supporting the Manager to ensure that policies, procedures, and processes are applied rigorously and consistently across the Department.
Supporting the Manager in the hiring process (paperwork, setting up interviews, etc.).
Organizing, prioritizing, assembling, editing, and formatting technical reports and other documents to make them consistent, accurate, and valuable; expediting them, when required, to customers before the established deadlines.
Providing assistance to the staff within the Department with composing, formatting and issuing of correspondence to provide outgoing documents and maintaining a high-quality corporate image.
Maintaining electronic filing systems and ensuring efficient document storage and retrieval.
Obtaining data, querying anomalies, and preparing reports in support of the Department Manager and staff.
Tracking Information and following up to ensure efficient branch operations.
Tracking financial data such as expenses against budget and reporting on variances as per given guidelines.
Maintaining action logs and performs action tracking duties as required to ensure timely completion of duties.
Maintaining tracking logs for milestones and deliverables due within the branch.
Supporting other Administrative staff and initiatives.
Providing back-up for colleagues in similar administrative roles in the Department as required.
Overseeing the work of and training junior, new and casual administrative staff in the Department to ensure continuity and consistency of work.
Participating in internal and inter-departmental initiatives to improve work processes, policies, and procedures.
Other duties as assigned by your manager.

What we are looking for:

Education/Experience
- Successful completion of secondary school (Grade 12) with 2 to 4 years of related experience or a college diploma in a related discipline (e.g. Office Administration) and one year of experience.
Knowledge, Skills & Abilities
- Knowledge of administrative theories, concepts, and principles used to provide administrative support to the Department Manager, and knowledge of computers and software such as Microsoft Office and Adobe/Foxit Phantom, to develop customized charts, reports, presentations, and technical documents.
- Demonstrated oral and written communication skills are essential to deliver oral presentations at regular department meetings as well as to communicate effectively with all staff, levels of management, and external contractors.
- Demonstrated capability of working independently in an environment of rapidly changing and conflicting priorities using prioritization and planning skills to meet established deadlines.
- Knowledge of administrative best practices and current standards in order to help ensure that policies, procedures, and processes are followed, and the department is compliant.
- Knowledge of Web-based applications, such as Oracle, to properly assess and review financial information as required.
- Ability to understand basic financial/accounting practices in order to provide administrative assistance pertaining to budget issues.
- Ability to use general office equipment including printers, fax machines, photocopiers, and scanners.
Security Clearance Eligibility Required
- 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: Five (5) days per week, seven and a half (7.5) hours per day for a thirty-seven and a half (37.5) hour work week.
This position is part of the USW4096 Union and is governed by the terms and conditions outlined in the USW4096 Collective Agreement. As a member of this bargaining unit, you’ll benefit from clear expectations around hours of work, wages, vacation, and other conditions that support a fair and consistent working environment.

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 or a defined-contribution pension plan, depending on your employee group, to support your long‑term financial 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 in the heart of the Ottawa Valley, our Chalk River site offers a beautiful natural setting with forests, lakes, and wildlife, right at your doorstep. Surrounded by welcoming communities such as Deep River, Petawawa, and Pembroke, you’ll have access to unparalleled outdoor adventures and a fantastic work-life balance.

Please note: This is a fully on-site position based at our Chalk River Laboratory in Ontario.

Our Commitment to Equity, Diversity & Inclusion

At CNL, we are committed to fostering an environment that promotes equity, diversity, and inclusion. We celebrate and welcome employees, stakeholders, and partners of all backgrounds and identities. Click here to read all about it!

We are proud to uphold a workplace culture grounded in our Core Values:

Respect
Teamwork
Accountability
Safety
Integrity
Excellence

These values drive our employment practices and ensure meaningful career development opportunities and accommodations for all employees.

CNL is an equal opportunity employer. If you require accommodation during any phase of the hiring process, please let us know via [email protected]. All requests will be handled with confidentiality.

CNL operates on sites located on the traditional lands, waterways and ceded and unceded territories of Indigenous peoples. CNL recognizes and affirms all First Nations, Métis communities and Inuit in this land we now know as Canada. We acknowledge, respect and seek to better understand Indigenous history, rights and title on the lands where we work and develop projects. We honour and respect the importance of the relationship between Indigenous peoples and their lands, waters and territories.