Onsite Network Engineer:
Qualifications
* Bachelor's Degree in Computer Science or related area
* 4 years' of experience with network administration, Racking,Stacking of Devices, basic troubleshooting of Cisco Switches, Firewall, Routers etc.
* Knowledge of IP networking fundamentals
Responsibilities
* Maintain, implement, and troubleshoot networks
* Design and support our network systems and infrastructure
* Configure and operate routers and switches
* Monitor network performance and make recommendations based on performance analysis
On-Site Troubleshooting & Resolution
Once the engineer arrives on-site, the following tasks must be executed systematically:
A. Physical Inspection & Basic Checks
✅ Visual Inspection
* Verify device power status (LED indicators).
* Check cabling for damage/loose connections.
* Validate rack stability and proper airflow.
✅ Connectivity Testing
* Use cable testers to validate Ethernet/fiber links.
* Reseat SFPs/transceivers if link flaps are detected.
* Confirm switch port status (shut/no shut if needed).
B. Hardware Replacement
🔧 Failed Device Swap
* Power down the faulty device (if safe) after confirmation with Client SME.
* Replace with pre-configured spare (if available).
* Document serial numbers in the ITSM ticket.
C. Coordination with Remote Teams
📞 Live Troubleshooting
* Establish a secure remote session (SSH/TeamViewer).
* Share console output with backend engineers.
* Implement configuration fixes as directed.
* Initiate Teams call and share screens
D. Post-Resolution Validation
✔ Functional Testing
* Ping tests, traceroutes, and throughput checks.
* Verify VLAN/access control for firewall rules.
* Obtain Infosys client sign-off before departure.
1. Post-Support Steps
Step 6: Ticket Resolution & Closure
* If resolved, the engineer updates the ITSM ticket with:
* Actions taken
* Replaced components (if any)
* Client confirmation (ITSM Approval or email approval)
* If unresolved, a temporary workaround is implemented, and the ticket is escalated.
Step 7: Asset & Documentation Update
* Spare parts used are recorded in the ITSM asset inventory.
* Network diagrams & CMDB are updated if changes were made.