L2 -L3 Support Engineer (Senior)
Infogain
- Location
- Bengaluru, Karnataka, India
- Job type
- Full-time
Required skills
- C++
- caching
- database
- Hibernate
- Java
- Linux
- middleware
- Oracle
- production support
- RHEL
- Root Cause Analysis
- SQL
- Swing
- technical support
- Terraform
- Unix
- web services
About the role
Infogain
Website:
infogain.com
Job details:
Roles & Responsibilities
Key Responsibilities
- Provide Level-3 technical support for the Movement Manager platform, investigating complex production issues and system defects.
- Perform root cause analysis (RCA) and coordinate with development teams to deliver fixes and long-term solutions.
- Troubleshoot issues across multiple application layers including server, client, middleware, and database components.
- Analyze application logs, message queues, and database queries to diagnose system failures or performance issues.
- Work closely with L1/L2 support teams to resolve escalated incidents and ensure timely service restoration.
- Support system maintenance, patch deployments, and production releases.
- Collaborate with product engineering to replicate issues and improve system stability.
- Document solutions, troubleshooting steps, and knowledge articles for operational teams.
Technology Environment And Skills Needed-
The platform includes components built on:
- Java (1.7), Hibernate, caching frameworks
- Linux / RHEL environments
- Tomcat-based web services
- Oracle database
- Java Swing desktop clients
- IBM MQ and ESB integrations
- Legacy C++ client/server modules
Required Skills
- 8+ years’ experience supporting enterprise applications in production environments
- Strong Java application troubleshooting experience
- Good knowledge of Linux/Unix systems and SQL databases
- Experience analyzing logs, messaging systems, and application performance
- Familiarity with multi-tier enterprise architecture
Preferred Experience
- Exposure to airline operations or aviation software
- Experience supporting mission-critical systems running 24x7
- Understanding of enterprise middleware or message-based integrations
Movement Manager – Care (L3) Support Engineer
- Provide L3 production support for a mission-critical airline operations management platform.
- Investigate and resolve complex application and system issues across server, client, and database layers.
- Perform root cause analysis (RCA) and collaborate with engineering teams for permanent fixes.
- Troubleshoot Java-based enterprise applications running on Linux environments.
- Analyze application logs, database queries, and messaging systems (MQ) to diagnose issues.
- Support production deployments, patches, and maintenance activities.
- Work with L1/L2 support teams to resolve escalated incidents.
- Maintain documentation and contribute to knowledge base and operational best practices.
- Experience with Java, Linux, Oracle/SQL, and enterprise middleware preferred.
- Exposure to airline operations systems or real-time operational platforms.
Experience
Skills
- Primary Skill: CNA Development
- Sub Skill(s): CNA Development
- Additional Skill(s): Core Java, Microsoft SQL Development, Terraform, Linux Server, Oracle DBA
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