Junior Maintenance Specialist

There are a number of facilities on the Chalk River Laboratories (CRL) site that has surpassed their useful life expectancy and is becoming more difficult to operate and maintain. As these facilities age and become an increasing burden to the operations group they are targeted for removal from the site. The operations group conducts permanent safe shutdown activities with these buildings and the buildings are turned over to CRL Facilities Decommissioning (FD) for long-term care, Storage with Surveillance, decommissioning, or demolition.

These facilities are large, complex, old, and significantly contaminated with radioactive material. The potential risks associated with these facilities in terms of business, health, safety, and environment are such that they must be managed in a responsible and due diligent fashion. Similarly, because these are licensed facilities, efforts must also be focused on ensuring that the facilities are managed in a compliant fashion.

The CRL FD Junior Maintenance Specialist will assist with being responsible for the maintenance of the facilities under decommissioning. The Junior Maintenance Specialist will assist with being responsible for the life cycle of all building equipment within Facilities Decommissioning, including the development, maintenance, repair, calibration, tracking, and disposal.
The Junior Maintenance Specialist will assist with being responsible for ensuring all regulatory maintenance meets the compliance requirements and for ensuring that the facilities are maintained in a cost-effective manner to provide physical integrity and support a safe sustainable state.



  • Graduation from an institute of technology with a minimum of two years of progressively responsible experience during which time the incumbent should have demonstrated the ability to assume responsibility as described above; OR
  • Secondary School Graduation Diploma or equivalent and normally more than four years of pertinent and progressive experience or the equivalent in experience, additional education, and/or training.


  • Some experience in a nuclear operational or decommissioning environment would be beneficial
  • Experience dealing with the maintenance of systems, structures, and components.
  • A good understanding of the National Building Code, National Fire Code, and company program manuals and how they apply to decommission.

Abilities & Skills:

  • Possess good verbal & written communication skills and a questioning attitude.
  • Demonstrated organization and planning skills; ability to establish priorities; define action plans; set and meet deadlines; monitor performance.
  • Proven initiative, motivation, and good people skills to work with peers, and internal and external clients.
  • Must be able to communicate effectively with various groups at all levels on a daily basis both on the project and non-project-related activities.
  • Good working knowledge of the Microsoft Office Suite and the Avantis maintenance program.

Job/Industry-Specific Knowledge:

  • Working knowledge and ability to apply the applicable codes associated with decommissioning a nuclear site and buildings.
  • Knowledge and application of radiation protection principles, measurements, and contamination control. A minimum of Group 3 certification will be required.
  • Ability to read and understand specifications and drawings and interpret complex drawings.
  • Knowledge of CNL’s practices, procedures, and organization.


Specifically, the junior maintenance specialist is responsible for supporting CRL Decommissioning Facilities in:

  • Assisting Maintenance Specialist with tracking building deficiencies and coordinating the implementation of repairs.
  • Reviewing all preventative maintenance for newly transferred buildings: update, cancel, defer, or maintain.
  • Review existing preventative maintenance (PM) procedures of all FD facilities; update, cancel, defer, or maintain where needed and submit the paperwork for new PMs.
  • Completing asset transfers, disposals, and additions for Facilities Decommissioning (including locating of assets) and assisting the POCO team with asset management paperwork.
  • Reviewing all demolished buildings to ensure no legacy items remain in Avantis.
  • Assisting with work maintenance packages, providing information for their creation, ensuring they are ready to execute in the field, assist with close out.
  • Maintenance monthly reporting
  • Assist with implementing a process for setting up new equipment maintenance
  • Assist with any group requests for maintenance information
  • Updating IWC through PM group – attaching HSC# to Avantis
  • Creating/maintaining any equipment lists – barrel heaters, cranes, below the hook (Avantis standard activity ID list)
  • Providing backup to scheduler/planner and maintenance specialist


This role is based out of CNL’s Chalk River site, which will be your designated workplace. CNL may require you to travel from time to time, as necessary.
CNL’s Chalk River laboratory is nestled in the Ottawa Valley and affords our employees an area that is environmentally pristine with extensive forests, hills, and numerous small lakes, all of which support a variety of wildlife typical to the southern edge of the Canadian Shield. Many surrounding towns, such as Pembroke, Petawawa, and Deep River provide you need with unparalleled outdoor adventures at your doorstep! In fact, Deep River was named as the fourth best place to live in Canada in a recent ranking by movingwaldo.com.


  • Indeterminate with benefits paid vacation/ personal time, and pension contribution.

About CNL:

CNL is Canada’s premier nuclear science and technology organization and a world leader in developing nuclear technology for peaceful and innovative applications. Using our unique expertise, we are restoring and protecting the environment, we are advancing clean energy technology, and our medical breakthroughs continue to improve the health of people around the world.

Our Priorities:

  • Clean energy for today and tomorrow
  • Restore and protect the environment
  • Contribute to the health of Canadians

CNL is committed to providing an atmosphere free from barriers that promote equity, diversity, and inclusion in achieving our mission. CNL welcomes and celebrates employees, stakeholders, and partners of all racial, cultural, and ethnic identities.

CNL also supports a workplace environment and a corporate culture built on our Core Values: Respect, Teamwork, Accountability, Safety, Integrity, and Excellence, which encourage equitable employment practices and career prospects inclusive of accommodations for all employees.

CNL is committed to being an equal opportunity employer. If you require accommodation measures during any phase of the hiring process, please inform the Talent Acquisition Advisor with whom you are in contact. All information received in relation to accommodation requests will be kept confidential.

The Chalk River Laboratories site is located on the unceded and unsurrendered territory of the Algonquin Anishinaabe people. As an organization, CNL recognizes and appreciates its historic connection to this place. CNL also recognizes the contributions that First Nations, Métis, Inuit, and other Indigenous Peoples have made, both in shaping and strengthening this community in particular and this province and country as a whole