Are you passionate about protecting people, information, and critical assets? Do you believe strong security starts with strong leadership, sound judgment, and trusted processes? Are you ready to lead a team that plays a vital role in safeguarding Canada’s nuclear future? Our Chalk River location is looking for a Manager, Personnel Security, Intelligence & Investigations to provide strategic leadership in one of the most critical security functions within our organization. If you answered yes, then this may be the job for you! Apply today!

What will you be doing!

Providing leadership and oversight to a team of 20 employees, including setting objectives, assigning work, and monitoring performance to ensure operational effectiveness.
Ensuring personnel security screening activities are conducted in compliance with Treasury Board policies, CNSC (Canadian Nuclear Safety Commission) regulations, and CNL (Canadian Nuclear Laboratories) requirements, and that all personnel obtain appropriate clearance prior to access.
Developing and delivering formal threat risk assessments and briefings to senior leadership to inform decision-making and organizational readiness.
Monitoring government alerts and intelligence reports to assess potential impacts on CNL operations and recommend mitigation strategies.
Ensuring the integrity and functionality of security systems that support personnel screening and investigations.
Leading the development, implementation, and continuous improvement of personnel security policies, programs, and procedures.
Other duties as assigned by your manager.

What we are looking for:

Education
- Post Secondary Diploma concentrated study in Law & Security Administration, or a Police Foundations Program, or related discipline, or equivalent knowledge and experience, with a minimum of five to seven years of relevant experience.
Experience
- Minimum 10 years of progressively responsible experience in security, intelligence, investigations, or a related environment, including at least 5 years in a leadership or supervisory capacity.
- Demonstrated experience managing security screening programs, investigations, intelligence analysis, and regulatory compliance.
- Experience within a regulated or government security environment (eg, nuclear, defence, intelligence, or public sector) is preferred.
Knowledge, Skills & Abilities
- Ability to organize information, assess issues, and act within broad organization objectives, dealing with a variety of diverse technical, complex organizational, and economic challenges.
- Knowledge of the Treasury Board of Canada Secretariat Policy on Government Security, Directive on Security Screening and applicable policies and guidelines.
- Working knowledge of Communications Security Establishment Canada (CSEC) secure communication equipment, familiarity with their directives and the ability to maintain Departmental COMSEC Authority (DCA) designation.
- Ability to identify, analyze, and assess risks, select risk-avoidance options and design and implement cost-effective prevention and control measures.
Security Clearance Eligibility Required
- Level 3 Secret requires a minimum of 10 years of verifiable history in Canada, Australia, New Zealand, the United States, and/or the United Kingdom. Level 3 Secret, also requires Canadian Citizenship. 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.
Visual concentration for reviewing documentation, reports and analyzing information.

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!

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 jobs@cnl.ca. 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.