Senior Product Support Engineer
Sisainfosec · Bangalore · India · On-site
Pay: INR 2,000,000 – 2,529,286 a year
Posted Sep 22, 2026
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Senior Product Support Engineer
Development + Technical Support
Experience: 5–7 years
Function: Product Engineering / Customer Success
Employment type: Full-time
Location: [Bangalore / Hybrid / Remote]
Reports to: [Manager, Technical Support / Head of Engineering]
About the role
This is a hybrid engineering and support role for someone who is equally comfortable debugging a customer’s production issue and writing the code that stops it happening again.
You will be the senior technical escalation point for our product across heterogeneous customer environments Windows, Linux and Solaris, integrated with enterprise Active Directory, SIEM platforms and a range of network infrastructure. Roughly half your time will be spent on deep troubleshooting and customer-facing escalation; the other half on building fixes, tooling, integrations and automation that reduce future ticket volume.
We are looking for someone who treats a recurring support ticket as a defect to be engineered away, not a queue to be worked through.
What you will do
Troubleshooting and escalation
Own Level 3 escalations end to endreproduce, diagnose root cause, and drive to resolution across OS, network, database and application layers
Analyse logs, packet captures, stack traces, core dumps and performance counters to isolate faults in complex multi-vendor environments
Diagnose issues spanning customer infrastructure boundaries: authentication, directory services, firewalls, proxies, certificates and network policy
Work directly with customer IT, security and infrastructure teams, including during high-severity incidents
Produce clear root cause analysis documents for customer and internal audiences
Development
Build and ship fixes, patches and product improvements in C# and Python
Develop diagnostic tooling, log analysers, health-check scripts and automated reproduction harnesses
Write and optimise SQL for investigation, data correction and performance analysis
Build and maintain customer-facing integrationsActive Directory, SIEM connectors, APIs and data pipelines
Contribute to product hardening: instrumentation, logging quality, error handling and observability
Deployment and integration
Support installation, upgrade and configuration of the product across Windows Server, Linux (RHEL/Ubuntu) and Solaris
Configure and troubleshoot Active Directory / LDAP integration, Kerberos, SSO and certificate-based authentication
Integrate product telemetry and event data with customer SIEM platforms
Support cloud and hybrid deployments, including containerised environments
Knowledge and enablement
Maintain runbooks, knowledge base articles and troubleshooting guides
Mentor junior support engineers and act as a technical reviewer on complex tickets
Feed recurring issues and field insight back into the product roadmap
Required skills and experience
Experience
5–7 years in a combined engineering and technical support capacity,…