Senior Cloud Security Operations Engineer

Senior Cloud Security Operations Engineer

Location:

Ottawa, Canada. The role is hybrid and based in Ottawa, ON.

Thales people architect identity management and data protection solutions at the heart of digital security. Businesses and governments rely on us to bring trust to the billions of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure.

Position Summary:

Thales Cyber Security Products (CSP) is a worldwide leader in data protection, providing everything an organization needs to protect and manage its data, identities and intellectual property – through encryption, advanced key management, tokenization, and authentication and access management. We are looking for talented Security professionals who can help us secure our next generation of security products. We are seeking a Senior Cloud Security Operations Engineer to join our growing Cloud Security team.

In this role, you will lead efforts to secure our multi‑cloud environment, monitor for threats, respond to incidents, and ensure compliance with industry standards. You will work closely with Dev Ops, Service, and Engineering teams to identify vulnerabilities, define security requirements, and implement best practices for protecting sensitive data and services.

This is a hands‑on technical position ideal for someone with deep cloud security expertise, strong analytical skills, and a passion for safeguarding enterprise environments.

• Manage, monitor, and enhance the security posture of cloud environments (AWS, GCP, Azure, etc.).
• Oversee the implementation and tuning of full security tooling stack including Cloud Security Posture Management (CSPM), Cloud Workload Protection Platforms (CWPP) and Endpoint Detection (EDR) tools.
• Develop and maintain automation for threat detection, incident response, and compliance reporting.

• Act as a security partner to development and service teams, ensuring security is built into applications and infrastructure from the start.
• Build relationships with Dev Ops and engineering teams to foster a security‑first culture.
• Provide guidance on secure architecture, cloud configuration, IAM, and data protection strategies.
• Review Infrastructure‑as‑Code (Terraform, Cloud Formation, etc.) for security compliance and vulnerabilities.

• Lead investigations into security alerts, potential breaches, and suspicious activity.
• Participate in an on‑call rotation to respond to issues or problems arising during non‑business hours and provide support and response.
• Perform forensic analysis and root cause investigations in cloud environments.
• Coordinate with cross‑functional teams to contain and remediate incidents.

• Ensure compliance with frameworks such as SOC 2, ISO 27001, PCI‑DSS and cloud security benchmarks like CIS.
• Conduct regular security assessments, including vulnerability scans and configuration audits.
• Partner with internal teams to ensure security‑by‑design in new deployments.

• Act as a subject matter expert (SME) for cloud security controls, operations and tooling.
• Provide clear reporting and risk insights to leadership and stakeholders.

• 7+ years of technical experience or a Bachelor’s degree in Computer Science, Electrical Engineering, or Engineering with an additional 5 or more years Info Sec/IT Security Experience.
• 7+ years of experience in Information Security, with at least 5 years hands‑on work securing cloud environments.
• Strong understanding of Cloud Security/Cyber Security concepts, practices and procedures.
• A strong understanding of IAM, role based access controls, network security, and cloud infrastructure security.
• Proven track record of researching, implementing and tuning all security controls for cloud environments…