Reports to: Director of Technology
Location: In office, Ottawa
We are seeking an accomplished system administrator leader with strong technical capabilities and a desire to make a difference to join our dynamic and agile technology team.
At Rebel, we’re in the middle of a bold reinvention. We were early to market and established as a powerhouse in the domain registrar arena. Now we’re looking for someone who’s ready to help us take it further.
You’re the kind of person who likes being in the thick of things: hands-on, proactive, quietly confident in your problem-solving, and motivated to keep improving. If you’re the one your team relies on when something’s on fire, this is your kind of place.
• *About Rebel**:
• *About this role**:
You’ll lead by example—guiding a small team while shipping reliable, scalable infrastructure. You’ll own outcomes across performance, availability, security, and cost, and you’ll have room to simplify legacy systems while accelerating our move to cloud-native services.
• *What you will do**:
• *Leadership & Delivery**:
- Agile and technical team leadership (scrum master, people management)
- Support the leadership team with long-term planning
- Contribute to the creation, improvement, and monitoring of service and team KPIs
• *Customer & Production Support**:
- Occasional after-hours support (typically up to 1-2 incidents per week)
• *Hosting & Platform**:
- Maintain and improve our hosting offerings: Plesk, Managed WordPress, Virtuozzo VPS servers, and others
Support DNS and domain management workflows in production
• *Cloud & Infrastructure**:
- Maintain and optimize existing infrastructure including AWS and other compute services
- Design scalable cloud-based infrastructures
Work on client migrations to support them and improve efficiencies
• *Reliability, Performance & Cost**:
- Monitor system performance, troubleshoot issues, and resolve them efficiently
Monitor cost; propose and execute initiatives to improve service quality and cost efficiency
• *Systems, Databases & Scripting**:
- Administer Unix/Linux and Windows-based systems
- Administer database systems (MSSQL, MySQL)
Code and script using a wide variety of open-source technologies and tools
• *Modernization & Automation**:
- Work with infrastructure-as-code tools
- Research, develop, and implement the latest technologies in the cloud (AWS)
- Re-imagine legacy systems and replace them with newer technologies
- Contribute to IT operations processes
- Automate manual processes
• *What you bring**:
• *Experience**:
- 8+ years in cloud, infrastructure, and system administration with a proven problem-solving track record
- 8+ years in enterprise Linux and Windows DevOps, configuration management, software development, and agile processes
- 5+ years with scripting languages such as Bash, Perl, Python, or JavaScript
- 3+ years leading technical teams
- 3+ years leading agile projects and serving as scrum master
- Deep proficiency in system administration, security, networking, and web technologies
- Detailed understanding of core network protocols and services (TCP/IP, HTTP/HTTPS, REST/SOAP, FTPS/SFTP, DNS, SSL/TLS, firewalls, load balancers)
- Advanced knowledge of AWS services: EC2, VPC, S3, ELB, EBS, RDS, Route 53, Docker, Serverless
- Experience with source control, automated builds, and continuous integration
- Analytical skills for performance measurement and data-driven decisions
- Love for clean, scalable, repeatable infrastructure
- A collaborative attitude—you support what you build and help others level up
• *Education**:
- Engineering, Computer Science, or related degree and System Administration experience
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