Senior Site Reliability Engineer ensuring platform reliability at Circle. Managing systems and database infrastructure to support high growth in user engagement and system performance.
About the role
- Senior DevOps Specialist at CIRA focused on advancing Canada’s cybersecurity and DNS infrastructure. Contributing to projects that ensure safety and reliability of digital resources for Canadians.
Responsibilities
- Contribute to the design, operation and reliability of critical DNS infrastructure, supporting services such as CIRA DNS Firewall, CIRA Canadian Shield and authoritative Anycast platforms
- Manage large-scale fleets of physical and virtual servers around the world
- Implement automation for provisioning, patching, scaling, and decommissioning
- Ensure consistency and compliance of OS, software, security, and configurations
- Write infrastructure-as-code (Terraform, Ansible, or similar)
- Identify opportunities for automation
- Build and operate monitoring, logging and alerting systems
- Respond to incidents, troubleshoot across the stack and contribute to root cause analysis
- Share knowledge with peers through code reviews, documentation and collaborative development practices
- Implement CI/CD approaches to support reliable changes across environments and services
- Design and operate systems that meet defined service levels
- Support capacity planning, scaling strategies and disaster recovery testing
- Work with security and development teams to meet compliance requirements
- Create and maintain clear technical documentation
- Participate in a 24/7 on-call rotation
Requirements
- 10+ years of experience applying DevOps principles in production environments
- Strong Linux administration skills, including system installation, operations and hardening
- Deep understanding of TCP/IP networking, with working knowledge of BGP and anycast routing
- Advanced experience with automation and CI/CD tools (e.g. Terraform, Ansible, Git)
- Experience working within structured change and incident management practices, ideally in an ISO 27001 environment
- Familiarity with public key cryptography and protocols such as TLS, SSH and DNSSEC
- Ability to work collaboratively with colleagues and partners to achieve shared outcomes
- AWS certifications ( Solutions Architect, DevOps Engineer) are an asset.
- Additional experience with routing protocols is an asset.
Benefits
- CIRA Cybersecurity Awareness Training
- Paid time off
- Flexible work arrangements
- Professional development opportunities
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