The ideal candidate will provide advanced technical support, gather diagnostics, document and troubleshoot time sensitive complex issues for our Sterling integrator suite of products namely: B2Bi, Secure File Transfer (SFT), Connect: Direct, Control Center, Secure Proxy, Sterling File Gateway (SFG). **Key Responsibilities** - Identify and gather required diagnostics required to debug SBI/SFG issues - Analyse complex technical problems using logs, thread dumps, and network traces - Collaborate with all stakeholders (customer, support, development teams and vendors) for issue resolution - Participate in on-call rotation for critical production support - Conduct root cause analysis and implement preventive measures - Train and transfer knowledge to a team of Support Engineers - Willingness to work on shift-based model including weekend and holiday coverage **Required education** Bachelor''s Degree **Preferred education** Master''s Degree **Required technical and professional expertise** **Sterling Expertise** - Minimum 5 years hands-on experience with with IBM Sterling B2Bi, Sterling Connect Direct and sterling implementation and/or application support - Deep understanding of SBI architecture, components, and workflows - Experience with business processes, services, and adapter configurations and troubleshooting - Knowledge in**Business Process Modelling Language (BPML)** - Knowledge and experience with SBI performance tuning, optimization and debugging - Good experience at collecting and analysing SBI logs, thread-dumps, pcap/network-trace and debugging using queuewatcher. - Proficiency with Sterling (RESTful and SOAP web services). - Knowledge of EDI, JSON and XML message formats **Java Application Development Support** - Minimum 5 yearsexperience developing and/or supporting Java-based enterprise applications - Experience with application servers (Jetty, WebSphere, WebSphere Liberty) - Understanding of Java memory management and garbage collection **Troubleshooting Debugging Skills** - Expert-level skills in analyzing Java stack traces and identifying root causes - Proficient in capturing and analysing Java thread and heap dumps using tools (jstack, IBM Thread and Monitor Dump Analyzer etc.) and OS commands - Experience analyzing application logs - Strong analytical skills to correlate multiple diagnostic sources(logs, thread/heap dumps, network traces, etc.) **Diagnostics Problem Resolution** - Proven experience gathering comprehensive diagnostics (application logs, system logs, thread dumps, heap dumps, network traces) - Experience determining which diagnostics are required based on issue symptoms - Ability to reproduce issues in test environments - Skills in creating detailed technical documentation and RCA reports **Database SQL** - Experience with relational databases (DB2, Oracle, SQL Server, Postgres) used with SBI - Proficiency in writing and optimizing SQL queries for troubleshooting - Understanding of database locks, deadlocks, and performance issues - Experience in reviewing Oracle AWR report. - Analysis of DBExplain Plan. - Basic understanding of NoSQL technology such as MongoDB. **Preferred technical and professional experience** **Network Protocol Knowledge** - Hands-on experience capturing and analyzing TCP dumps using Wireshark or tcpdump - Deep understanding of network protocols: HTTP/HTTPS, FTP/SFTP, AS2, SMTP - Ability to troubleshoot SSL/TLS handshake issues and certificate problems - Knowledge of network routing, firewalls, and load balancers in B2B contexts **Additional Technical Skills** - Experience with Linux/Unix and Windows server environments - Knowledge of shell scripting and batch scripting - Understanding of integration patterns and EDI standards (X12, EDIFACT) - Exposure to containerization (Docker, Kubernetes)