ROLE OBJECTIVE Senior Specialist, Network is responsible for delivering advanced L2 network operations support within Otech s managed services environment The role ensures stability, availability, performance, and security of customer and internal network infrastructure by executing troubleshooting, configuration, monitoring, while ensuring timely escalation of design-level or complex engineering issues to Technology & Innovation (CCOE) The Senior Specialist acts as a senior technical authority during incidents, changes, and maintenance windows while supporting Junior Specialists and coordinating with vendors when required

RESPONSIBILITIES

• Network Operations and L2 Support
  • Operate and maintain enterprise and cloud network environments including routing, switching, firewalls, and load balancers
  • Provide advanced L2 troubleshooting for network incidents within approved procedures and runbooks
  • Ensure network services meet availability and performance SLAs
• Incident Handling and Escalation
  • Investigate and resolve network incidents using structured troubleshooting methodologies
  • Analyse logs and monitoring data to identify root causes within L2 scope
  • Escalate complex or design-related issues to Team Lead and Technology & Innovation (COE)
  • Provide accurate updates and documentation in incident tickets
• Monitoring and Performance
  • Monitor network health, availability, and performance using approved tools
  • Identify recurring issues and performance trends
  • Tune alerts and thresholds in coordination with Team Lead
• Network Configuration and Maintenance
  • Execute approved network configurations, patches, and maintenance activities
  • Validate post-change stability and escalate engineering concerns to COE
  • Support capacity growth and lifecycle activities from an operational perspective
• Security Operations
  • Implement and maintain network security controls as per operational standards
  • Support investigation of network-related security incidents
  • Escalate advanced security engineering issues to COE
• Vendor Coordination
  • Work with vendors for operational troubleshooting and support cases
  • Provide complete diagnostics for vendor and COE escalations
• Documentation and Knowledge Management
  • Maintain network documentation, diagrams, and troubleshooting guides
  • Document incident resolutions and known issues
  • Support operational best-practice development
• Team Support and Knowledge Sharing
  • Provide guidance and mentoring to Junior Network Specialists
  • Share knowledge during incident reviews and operational discussions

ROLE SPECIFICATIONS

• Qualification
  • Bachelor's degree in Computer Science, Information Systems, or Information Technology
• Certification
  • CCIE Routing & Switching CCNP, CCNA, NSE4-8 desirable
• Experience
  • 5+ years of experience in network operations within managed services or service delivery environments
• Skills
  • Strong L2 troubleshooting skills for routing, switching, firewall, and load balancing
  • Experience with Cisco, Palo Alto, Juniper, F5, and Huawei networks
  • Strong documentation and communication skills

Desired Candidate Profile

• Bachelor's degree in Computer Science, Information Systems, or Information Technology
• CCIE Routing & Switching CCNP, CCNA, NSE4-8 desirable
• 5+ years of experience in network operations within managed services or service delivery environments
• Strong L2 troubleshooting skills for routing, switching, firewall, and load balancing
• Experience with Cisco, Palo Alto, Juniper, F5, and Huawei networks
• Strong documentation and communication skills