System & API Gateway Support Specialist

WE’RE HIRING | System & API Gateway Support Specialist

Location: Toronto, ON, Canada

Work Model: On-site 4 days per week - mandatory

Interview: Face-to-face interview required (L1 and/or CI)

Looking for an experienced System & API Gateway Support Specialist!

We are seeking a skilled technical support professional with strong hands-on experience in API Gateway platforms, enterprise application support, troubleshooting, and production operations. The ideal candidate will ensure the stability, availability, security, and performance of critical API services across production and non-production environments.

Key Responsibilities:

• Provide day-to-day technical and operational support for enterprise systems and API Gateway platforms.
• Support API consumers with onboarding, integration, connectivity, testing, deployment, and post-production activities.
• Troubleshoot API connectivity, authentication and authorization, configuration, performance, latency, and service availability issues.
• Manage SSL/TLS certificates, certificate chains, keystores, truststores, and mutual TLS (mTLS) configurations.
• Use Splunk and Dynatrace for log analysis, application monitoring, performance troubleshooting, alerts, and root-cause investigation.
• Coordinate production incidents, escalations, stakeholder communication, and resolution across technical teams.
• Collaborate with application, infrastructure, network, middleware, security, and API teams.
• Maintain operational documentation, runbooks, troubleshooting guides, and support procedures.
• Coordinate vulnerability remediation and support scheduled releases and production implementations.

Required Skills & Experience:

✅ Strong experience in enterprise application, middleware, API, or production support.

✅ Hands-on experience with API Gateway / API Management platforms.

✅ Strong knowledge of REST APIs, HTTP/HTTPS, and web-based integrations.

✅ Experience troubleshooting authentication, authorization, and API connectivity issues.

✅ Solid understanding of SSL/TLS, digital certificates, certificate chains, keystores, truststores, and mTLS.

✅ Hands-on experience with Splunk and Dynatrace.

✅ Strong incident management, troubleshooting, and stakeholder communication skills.

✅ Experience supporting production and non-production environments in large enterprises.

Nice to Have:

• Experience with IBM products and technologies in API, middleware, or integration environments.
• Financial services or large enterprise experience.
• Knowledge of ITIL Incident, Problem, and Change Management.
• Familiarity with vulnerability management and security remediation.

📩 Interested or Know Someone Suitable?

If this opportunity matches your experience, please send me your updated resume via LinkedIn DM or share this post with your network.

#Hiring #Capgemini #APIgateway #APIsupport #Splunk #Dynatrace #ITJobs #TorontoJobs #ContractJobs #ProductionSupport #Middleware #TechJobs