System Administrator | Administrateurs de système

Communications Security Establishment Canada | Centre de la sécurité des télécommunications Canada; Ottawa; On-site; CAD 60,000 - 80,000; Full time

Job summary

A governmental agency in Ottawa is seeking a passionate Recruiter for Client Engagement, Outreach, and Recruitment. You will play a vital role in managing and enhancing Canada’s Top Secret IT systems. Ideal candidates have experience with PKI, directory services, and secure communication platforms. Join a collaborative environment focused on innovation and national security. This is an exciting chance for those ready to contribute to a mission-driven team.

Qualifications

• Experience in implementing PKI architectures (e.g. Entrust, Microsoft CA).
• Knowledge of directory services such as Active Directory or LDAP.
• Ability to work with on-premise email systems and gateways.

Responsibilities

• Design, build, and manage secure IT services for national security.
• Support the implementation and management of PKI architectures.
• Assist in maintaining and improving enterprise communication platforms.

Skills

Implementing PKI architectures

Directory services

On-premise email systems

Web proxy infrastructure

Data transfer platforms

Job description

Recruiter, Client Engagement, Outreach and Recruitment

🚀 Join the Mission: Shape Canada’s Top Secret Future

Are you ready to work on the most secure and impactful IT systems in the country? The Communications Security Establishment (CSE) is on a bold journey to become the national service provider of Top Secret services for the Government of Canada—and we want you on our team.

We’re hiring IT-01 to IT-04 equivalents to join our Top Secret Infrastructure (TSI) group. This is your chance to be part of something big—where your work directly supports national security and innovation at the highest level.

What You’ll Do

You’ll help design, build, and manage the backbone of Canada’s Top Secret enterprise services. From secure endpoints to authentication systems, from collaboration tools to certificate management—you’ll be at the heart of it all.

Your work will span:

• Public Key Infrastructure (PKI) and certificate management
• Authentication and authorization systems
• Enterprise collaboration and communication platforms
• Various endpoint solutions

We’re seeking passionate professionals with experience in one or more of the following:

• Implementing PKI architectures (e.g. Entrust, Microsoft CA)
• Directory services (Active Directory, LDAP)
• On-premise email systems and gateways
• Web proxy infrastructure
• Data transfer platforms (NiFi)

Bonus points if you have:

• Experience as a PKI Local Registration Authority (LRA)
• A knack for evaluating and deploying new enterprise technologies
• Experience in 24/7 service environments
• Experience networking in a data center environment

Why CSE?

At CSE, diversity and inclusion aren’t just values—they’re mission-critical. We thrive on different perspectives and believe that innovation comes from collaboration. You’ll work in an open-minded, forward-thinking environment where your voice matters.

Whether you're a seasoned expert or an emerging talent, if you're driven by purpose and excited by challenge, you’ll thrive here.

🔐 Be Part of Canada’s Best-Kept Secret

Join us—and discover why CSE is the most important organization you’ve never heard of.

Seniority level

• Entry level

Employment type

• Full-time

Job function

• Information Technology

Industries

• Government Administration