JSG (Johnson Service Group, Inc.)Verified Job Source

Senior Application Support / Systems Engineer

Toronto, ON
Hybrid
Posted Sep 2, 2026
1 position

Opens an external site

Employment type: Contract
Experience level: Senior · 5+ years
Apply by: Oct 2, 2026
Posting language: English
Working hours: 40 hours per week
Office presence: 3 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

The role involves providing production support and systems engineering for Kubernetes-based applications on GCP. Key duties include incident triage, troubleshooting performance issues, and managing CI/CD deployment processes.

Job details

Johnson Service Group (JSG) is currently looking for a Senior Application Support & Systems Engineer with strong GCP, GKE/Kubernetes, observability, CI/CD, and production support experience. This is a contract opportunity with a leading retail company inToronto (Hybrid, 2-3 days in office). Must Have skills Strong hands-on experience with Google Cloud Platform (GCP) in production environments. Strong experience with GKE/Kubernetes, including supporting and troubleshooting Kubernetes-based applications and environments. Experience implementing and supporting observability, monitoring, and alerting solutions using tools such as Grafana, Prometheus, Datadog, Dynatrace, Splunk, or similar platforms. Strong production deployment and application support experience, including incident triage, troubleshooting, and resolution. Experience with Jenkins and CI/CD processes supporting application deployments. Strong understanding of distributed systems and cloud-based applications, including troubleshooting performance and latency issues. Experience with incident management and production troubleshooting in complex application environments. Experience with distributed tracing and diagnosing application performance issues. Nice to Have skills Experience supporting large-scale retail or eCommerce platforms. Experience with microservices architectures. Broader hands-on experience across observability platforms such as Datadog, Dynatrace, Splunk, Grafana, and Prometheus. Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law. #D480

What you’ll do

Requirements

Candidates must have strong hands-on experience with GCP, GKE, and observability tools like Grafana or Datadog. Experience with Jenkins and troubleshooting complex distributed systems in a production environment is required.