Let’s find your next opportunity​

{{ job.job_posting_title }}
{{item.trim() }} {{item.trim() }} {{item.trim() }}
{{ job.job_posting_title }}

{{ job.is_cms_job ? (job.cities.split(';').length > 1 ? 'Various locations' : job.location_mappings[0]) : (job.location_mappings.length > 1 ? 'Various locations' : job.location_mappings[0]) }}

saved
viewed

Mississauga, Ontario, Canada

Overview

Join our Candu Security Services team and play a key role in supporting an engineering environment focused on excellence and innovation. As an Administrative Support team member, you will contribute to the smooth operation of our department by providing organized, reliable, and proactive administrative expertise. This role is ideal for someone who enjoys working both independently and collaboratively, while making a meaningful impact on day‑to‑day operations.

Your Role

  • Anticipate and navigate changing priorities to meet deadlines and departmental objectives.
  • Handle confidential documents and information with discretion and in accordance with company policies.
  • Organize and manage the flow of information, including maintaining electronic documentation and files.
  • Draft, edit, and prepare documents, reports, and presentations.
  • Provide support and guidance with office equipment and software.
  • Maintain and upload project files into document control systems.
  • Undertake special assignments as required by Management.
  • Serve as ACSO (Alternate Company Security Officer) for Designated Organization Screening and Facility Security Clearance processes with the Government of Canada.
Nuclear Administrative Support

Location

Mississauga, Ontario, Canada

Job Type

Full time

Ref

R-151160

Salary range

-

About You

  • Ability to obtain Government of Canada Level II Security Clearance status.
  • Ability to manage multiple priorities in a dynamic environment.
  • Aptitude for handling confidential information with professionalism.
  • Proficiency in organizing documentation and managing digital filing systems.
  • Ability to communicate clearly and collaborate effectively within a team.
Why choose AtkinsRéalis?

Why choose AtkinsRéalis?

Wherever you are in your career – and whoever you are – AtkinsRéalis is for you. Here, support and collaboration are a vibrant part of a culture that lets you choose where – and how far – your career can go. Take on projects that push boundaries and drive sustainable impact, surrounded by colleagues who believe there's no limit to how brilliant you can be. It's time to join a like-minded team where you'll be rewarded, supported, and free to be your kind of brilliant.

Rewards & Benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career at AtkinsRéalis in Canada.

Enjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.

Make the most of diverse opportunities for training and professional development to grow your skills and expertise.

And take advantage of our hybrid working culture and generous time-off policies to balance a fulfilling career with your personal life. Be rewarded. Find out more. (Insert this link on the words "Be rewarded. Find out more" : https://careers.atkinsrealis.com/rewards-benefits-canada)

video thumbnail

Make it brilliant, a career with AtkinsRéalis

Our supportive, collaborative culture inspires us as a global community every day.

Watch this short film and imagine what you could achieve here, too.

About AtkinsRéalis

About AtkinsRéalis

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of

consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people. Find out more. (Insert this link on the words "AtkinsRéalis" and "Find out more" : https://careers.atkinsrealis.com/)

Additional Information

AtkinsRéalis cares about your privacy. AtkinsRéalis and other subsidiary or affiliated companies of AtkinsRéalis (referred to throughout as "AtkinsRéalis") are committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use, and transfer your Personal Data.

By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.(Insert this link on the words: Privacy Notice https://careers.atkinsrealis.com/en/site-services/privacy-statement)

Appropriate accommodations will be provided upon request throughout the recruitment and hiring process as required by Company policy and the Accessibility for Ontarians with Disabilities Act (AODA).

Successful applicants will be notified about AtkinsRéalis' accommodation policies at the time the employment offer is extended, and the information will be shared with new personnel during the onboarding process.

Related jobs

Ingénieur(e), Mécanique et tuyauterie industrielle
Minerals & metallurgy Engineering Full time
Ingénieur(e), Mécanique et tuyauterie industrielle

Montréal, Quebec, Canada

Regional Administrator
Corporate Administrative Support Full time
Regional Administrator

Toronto, Ontario, Canada

Sr Engineer III
Water Engineering Full time
Sr Engineer III

Houston, Texas, United States of America

Principal Mechanical Engineer
Water Engineering Full time
Principal Mechanical Engineer

Various locations

Project Technical Lead
Clean power Engineering Full time
Project Technical Lead

Vancouver, British Columbia, Canada

Mid-Level Ecologist/Scientist
Environment & geoscience Sciences Full time
Mid-Level Ecologist/Scientist

Atlanta, Georgia, United States of America

Environmental Project Manager
Clean power Sciences Full time
Environmental Project Manager

Toronto, Ontario, Canada

Security Coordinator
Nuclear Administrative Support Full time
Security Coordinator

Mississauga, Ontario, Canada

Security Advisor
Health, Safety, Environment & Wellbeing Full time
Security Advisor

Mississauga, Ontario, Canada

Municipal and Utility Design Engineer
Cities & development Engineering Full time
Municipal and Utility Design Engineer

Toronto, Ontario, Canada

Project Engineer - Water & Wastewater
Water Engineering Full time
Project Engineer - Water & Wastewater

Toronto, Ontario, Canada

Technical Manager (Nuclear Engineering) / Gerente Técnico de Ingeniería Nuclear
Nuclear Engineering Full time
Technical Manager (Nuclear Engineering) / Gerente Técnico de Ingeniería Nuclear

Buenos Aires, Argentina

Related blogs

Image of Lubna standing on a road

“It inspires me to keep breaking barriers”: Lubna on co-owning a restaurant brand, six Persian cats, and a career that moved fast

Discover Lubna’s journey from fresher to subject matter expert in just two years.

Card link for “It inspires me to keep breaking barriers”: Lubna on co-owning a restaurant brand, six Persian cats, and a career that moved fast

From Highways to Kathak: Prabhati’s Journey of Leadership, Balance, and Purpose

Meet Prabhati, a design leader shaping sustainable transport from across the world and read how she balances engineering excellence with unexpected creative pursuits.

Card link for From Highways to Kathak: Prabhati’s Journey of Leadership, Balance, and Purpose

“Keep three things running, at least one will go well”: Niharika on earthquake safety, Canadian bridges, and lessons from her six‑year‑old

Meet Niharika, a structural engineer blending earthquake expertise with real‑world impact across continents. Read how she stays grounded by keeping multiple paths moving forward.

Card link for “Keep three things running, at least one will go well”: Niharika on earthquake safety, Canadian bridges, and lessons from her six‑year‑old
Alpa in a blazer smiling at the camera

“You don’t have to sound like anyone else in the room to belong there”: Alpa on construction sites, contracts, and a law degree

Meet Alpa, a Commercial Manager shaping infrastructure through clarity, curiosity, and courage.

Card link for “You don’t have to sound like anyone else in the room to belong there”: Alpa on construction sites, contracts, and a law degree
Image of Angela smiling

From a village with South Asia’s first power station to leading a team of fifteen: Angela on resilience, roots, and opening doors for the next generation

Discover Angela’s inspiring rise from humble beginnings to leading a dynamic Early Careers team.

Card link for From a village with South Asia’s first power station to leading a team of fifteen: Angela on resilience, roots, and opening doors for the next generation

“I dream of owning a flower shop”: Alina on paragliding, the HS2 reset, and leading estimating teams from Manchester

Discover Alina’s journey from team lead to Associate Director, and read how she brings creativity, resilience, and curiosity into everything she does.

Card link for “I dream of owning a flower shop”: Alina on paragliding, the HS2 reset, and leading estimating teams from Manchester

This International Women’s Day, we asked our people to share their stories...

From bold pivots to global impact, these stories redefine what’s possible. Read how women at AtkinsRéalis are shaping the future with purpose.

Card link for This International Women’s Day, we asked our people to share their stories...
Selfie of Somali

How Somali built a 20 Year engineering career and advocates for everyday equality

Meet Somali, a trailblazer in instrumentation and automation, and read how she shaped a thriving career across continents.

Card link for How Somali built a 20 Year engineering career and advocates for everyday equality
Image of Jessica sitting at the edge of a pond

“I don’t wait for opportunities, I prepare for them and create them”: Building a career Jessica designed herself

From diving deep into data to diving into the ocean, Jessica thrives on challenge and growth. Read how she turned curiosity and initiative into a purpose‑driven career.

Card link for “I don’t wait for opportunities, I prepare for them and create them”: Building a career Jessica designed herself
Image of Mamta

“Step into the discomfort of being seen”: Mamta on saying yes, earning two charterships in a year, and why visibility isn’t self-promotion

From Mumbai to projects across five countries, read how Mamta built a career powered by collaboration and courage.

Card link for “Step into the discomfort of being seen”: Mamta on saying yes, earning two charterships in a year, and why visibility isn’t self-promotion
Image of Doaa in office

From a LinkedIn message to leading talent strategy across regions: Meet Doaa

Discover Doaa’s journey from design to strategic talent leadership. Read how she fast tracked her growth and built strong hiring practices across regions.

Card link for From a LinkedIn message to leading talent strategy across regions: Meet Doaa
Sameera with a mic at an event

From hiring strategies to nursery rhymes in minutes. Meet Sameera

From career leadership to motherhood’s lessons, meet Sameera and read how her story celebrates strength, growth, and belonging.

Card link for From hiring strategies to nursery rhymes in minutes. Meet Sameera