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Senior Administrative Assistant

Job in Chalk River, Ottawa, Ontario, Canada
Listing for: Canadian Nuclear Laboratories Ltd.
Full Time position
Listed on 2026-06-13
Job specializations:
  • Administrative/Clerical
Salary/Wage Range or Industry Benchmark: 30000 - 60000 CAD Yearly CAD 30000.00 60000.00 YEAR
Job Description & How to Apply Below
Location: Chalk River

What will you be doing

  • Coordinating the workflow of the department manager/line director.
  • Managing the scheduling of meetings and appointments.
  • Coordinating meetings, such as booking rooms, sending invites, and ordering catering.
  • Reviewing incoming correspondence and electronic mail and take appropriate action.
  • Preparing correspondence, minutes, action lists, and prioritizing commitments.
  • Tracking and following up on actions placed on the Manager/Director and other division staff.
  • Acting as a liaison between the Director/Manager and the division staff.
  • Organizing events such as division seminars, workshops and international conferences.
  • Arranging/coordinating travel.
  • Maintaining accurate office records and files/follow‑up system for outstanding issues.
  • Adhering to CNL's corporate document standards and rules (formats, storage and numbering protocols).
  • Working with various groups both within and outside of the departments to ensure reporting requirements are met.
  • Reviewing and updating documents (formal documents, presentations, spreadsheets) to ensure format requirements are met.
  • Communicating objectives, directives, policies/procedures, and general information to staff, and ensuring the quality of cross‑functional administrative processes.
  • Providing status updates and supporting documentation for various scorecard/project reporting.
  • Assisting management with protected sensitive Human Resource / Financial requirements.
  • Handling sensitive and confidential information pertaining to all levels of Departmental and/or Divisional staff.
  • Working with the Director and/or Managers to assist in the preparation of promotion cases.
  • Coordinating meetings and gathering data from managers for various HR processes, such as the performance management cycle and succession planning.
  • Assisting in the budget process (reporting forecasts, submissions to Finance).
  • Coordinating smaller‑scale business support projects or providing administrative support to larger projects.
  • Tracking and ordering supplies.
  • Photocopying/printing.
  • Submitting maintenance/IT requests.
  • Submitting expense reports.
  • Other duties as assigned by your manager.
What We Are Looking For
  • Education
    • Graduated from Post‑secondary, preferably in Business Administration or equivalent of five years experience.
  • Experience
    • Five years of experience as an administrative assistant.
  • Knowledge, Skills & Abilities
    • Strong proficiency in Microsoft SharePoint, including document management, collaboration tools, and workflow support, along with advanced Word & Excel skills (e.g. formulas, data analysis, reporting).
    • Detail‑oriented and comfortable working in a fast‑paced office environment.
    • Excellent written communication skills.
    • Superior organization skills and dedication to completing projects in a timely manner.
    • Excellent time‑management skills and the ability to multitask and prioritize work.
    • Attention to detail and problem‑solving skills.
    • Ability to work independently without supervision.
    • Team oriented with demonstrated ability to work well with others and promote a positive work environment.
    • Demonstrated leadership skills with the ability to train and develop others.
    • Demonstrates tact, diplomacy, trust, and discretion in handling sensitive and confidential information.
    • Knowledge of office management systems and procedures.
    • Experience in, or willingness to be trained in, the use of CNL business systems: ORACLE, ATOM, etc.
    • Knowledge of QA Manual and Procedures.
    • Knowledge of radiation protection, environmental, QA and security compliance programs.
  • 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.
What We Offer:

A Total Rewards Package
  • Paid time off: vacation, sick, personal, and floater days
  • Benefits…
Position Requirements
10+ Years work experience
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