Site Reliability Engineer

Job Summary:

Porter is hiring an experienced Site Reliability Engineer to help improve the reliability, scalability, and performance of a modern cloud platform supporting thousands of users.

This is a hands-on engineering role where you'll work closely with Software Developers, Cloud Engineers and Cybersecurity to improve platform reliability, automate operational processes, and build world-class observability.

Unlike a traditional infrastructure-focused SRE position, this role is best suited to someone who has a strong software development background (particularly .NET) and enjoys solving production challenges through code.

Duties & Responsibilities:

• Build and improve the reliability and availability of production services
• Work directly with developers to troubleshoot application and platform issues, from initial triage through root cause
• Develop automation to eliminate repetitive operational work
• Build dashboards, monitoring, alerts, and service health metrics, and administer the underlying observability platforms
• Design and maintain automated workflows for certificate expiry, host health, and other operational risk monitoring
• Participate in production incident response and on-call rotations, including major (Sev1-level) incident investigation
• Analyze application performance and resolve bottlenecks
• Improve deployment pipelines and operational tooling
• Contribute to infrastructure as code and cloud automation across compute, networking, and identity
• Maintain integration and API layer reliability, including error-rate monitoring and alerting
• Support change management processes (CAB) for infrastructure and monitoring changes
• Champion SRE best practices including SLIs, SLOs, and error budgets

Automation and Optimization

• Create and maintain automated solutions for repetitive tasks, including infrastructure and application and patch monitoring.
• Optimize monitoring agents for cost management and performance.
• Implement auto-discovery and AI solutioning to ensure infrastructure reliability and efficiency

Configuration Management and Infrastructure as Code (IaC)

• Use Infrastructure as Code tools to automate monitoring across AWS resources
• Implement and maintain configuration management tools to standardize and automation configurations

Monitoring and Alerting

• Configure and maintain monitoring and alerting systems to ensure the health and performance of the infrastructure.

Application Deployment and Support

• Deploy, configure Dynatrace and Splunk to support applications and services on AWS infrastructure.
• Collaborate with DevOps teams to optimize and automate CI/CD pipelines.

hange and Incident Management

• Prepare and document Change Requests and Methods of Procedures (MOPs) for infrastructure changes.
• Troubleshoot and resolve incidents affecting cloud services in accordance with predefined Service Level Agreements (SLAs).
• Escalate issues to internal teams or third-party vendors as required.

Incident Response and Post-Incident Reporting

• Participate in incident response processes and post-incident reporting (PIR).
• Identify and deploy fixes to prevent recurrence of issues.

Security and Compliance

• Work with IT Security to ensure cloud infrastructure aligns with security best practices and compliance requirements
• Work with internal architecture, Solution Delivery(PMO), governance, and security teams to ensure that all security, governance and business continuity requirements and best practices are integrated and implemented.
• .Cloud Governance - Cost Optimization, Data Management, Asset Management, Performance Management, and Deployment Acceleration
• Implement Security Monitoring Auto-discovery.

Safety and Compliance

• Actively engage in the company’s Safety Management System (SMS) by reporting hazards and incidents encountered during daily operations.

Collaboration and Documentation

• Coordinate with internal stakeholders, DevOps, and third-party vendors for deployments and fixes.
• Work within a cross-functional team of System Ops Engineers, App Admins, Data Engineers DevOps and DBA’s to specify, design, develop, test, and implement AWS cloud services and solutions.
• Provide guidance and knowledge to other team members, and promote efficiency, productivity, innovations, and knowledge-sharing across multi-functional teams.
• Work closely with internal business partners to gather requirements, design and implement solutions, manage technical operations, and triage and resolve operational issues.
• Maintain detailed and accurate system, application, and infrastructure documentation.

On-Call Support

• Participate in an after-hours on-call rotation for critical incident resolution.

Other Responsibilities

• Perform additional related duties as assigned by management.

Behavioural Competencies:

• Concern for Safety: Identifying hazardous or potentially hazardous situations and taking appropriate action to maintain a safe environment for self and others.
• Teamwork: Working collaboratively with others to achieve organizational goals.
• Passenger/Customer Service: Providing service excellence to internal and/or external customers (passengers).
• Initiative: Dealing with situations and issues proactively and persistently, seizing opportunities that arise.
• Results Focus: Focusing efforts on achieving high quality results consistent with the organization’s standards.
• Fostering Communication: Listening and communicating openly, honestly, and respectfully with different audiences, promoting dialogue and building consensus.

Qualifications:

• Strong software development experience in .NET (C#) or other object-oriented languages
• Experience supporting production applications
• AWS cloud services, including ECS and EC2 (Windows/IIS-hosted applications)
• CloudWatch alarms and metric math for operational monitoring
• Infrastructure as Code (Terraform and Terragrunt preferred)
• CI/CD pipelines
• Docker and containerized applications
• Administering monitoring and observability platforms such as Dynatrace and Splunk
• Application Performance Monitoring (APM)
• Production troubleshooting and root cause analysis
• Windows Server and IIS environments
• Scripting (PowerShell, Python, Bash or similar)
• Familiarity with ITSM tooling (PagerDuty, Jira, Zendesk, or similar) and change management processes

Nice to Have:

• Experience with distributed systems or microservices
• Experience implementing SLIs, SLOs, and error budgets
• Logging platforms (Splunk, CloudWatch, etc.)
• Experience scaling highly available cloud platforms
• Exposure to Kubernetes or container orchestration beyond ECS
• Mulesoft API Integration
• Linux systems administration
• GitOps tooling and practices

Company Description:

Since 2006, Porter Airlines has been elevating the experience of economy air travel for every passenger, providing genuine hospitality with style, care and charm. Porter’s fleet of Embraer E195-E2 and De Havilland Dash 8-400 aircraft serves North America, including a coast-to-coast domestic Canadian network, the U.S., Mexico, the Caribbean and Central America. Headquartered in Toronto, Porter is an Official 4 Star Airline® in the World Airline Star Rating®. Visit www.flyporter.com or follow @porterairlines on Instagram, Facebook and X.