Network Specialist- Field Support

Introduction
At IBM work is more than a job – it’s a calling: To build. To design. To code. To consult. To think along with clients and sell. To make markets. To invent. To collaborate. Not just to do something better but to attempt things you’ve never thought possible. Are you ready to lead in this new era of technology and solve some of the world’s most challenging problems? If so lets talk.

Your Role and Responsibilities

• Configure manage and troubleshoot Layer 2 network switches routers and firewalls.
• Handle VLAN configurations Spanning Tree Protocol (STP) Link Aggregation (LACP) and other L2 protocols.
• Support network topology design and optimize network infrastructure for performance and scalability.
• Diagnose and resolve L2 network issues including loop detection broadcast storms and MAC table issues.
• Monitor network performance using tools like Wireshark SolarWinds and PRTG.
• Provide Level 2 support for escalated network incidents and work closely with L3 engineers on complex issues.
• Apply patches upgrades and configuration changes to network devices as needed.
• Perform regular audits of network devices and settings.
• Collaborate with network architects to ensure design consistency and performance optimization.
• Maintain accurate documentation of network diagrams configurations and processes.
• Prepare incident reports and provide recommendations for continuous improvement in network management.

Required Technical and Professional Expertise

• 3-5 years of experience working in a network engineer or equivalent role.
• Hands-on experience with L2 switching and routing protocols.
• Expertise in Layer 2 technologies (e.g. Ethernet VLANs STP LACP).
• Proficiency in configuring and managing network devices from major vendors (e.g. Cisco Juniper HP Aruba).
• Familiarity with network monitoring and diagnostic tools (e.g. Wireshark Nagios SolarWinds).
• Basic understanding of Layer 3 protocols like OSPF BGP is a plus.
• Strong analytical and problem-solving skills.
• Good communication skills and the ability to work with cross-functional teams.

Preferred Technical and Professional Expertise

• Certifications like Cisco CCNA/CCNP Juniper JNCIA/JNCIP or equivalent.
• Experience in a data centre or service provider environment.
• Bachelor’s Degree in Computer Science Information Technology or related field.