Sr. Network Specialist
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 amp 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 SupportOperate 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 EscalationInvestigate 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 amp Innovation COE Provide accurate updates and documentation in incident tickets
Monitoring and PerformanceMonitor 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 MaintenanceExecute approved network configurations patches and maintenance activities Validate post-change stability and ... Support capacity growth and lifecycle activities from an operational perspective
Security OperationsImplement and maintain network security controls as per operational standards Support investigation of network-related security incidents Escalate advanced security engineering issues to COE
Vendor CoordinationWork with vendors for operational troubleshooting and support cases Provide complete diagnostics for vendor and COE escalations
Documentation and Knowledge ManagementMaintain network documentation diagrams and troubleshooting guides Document incident resolutions and known issues Support operational best-practice development
Team Support and Knowledge SharingProvide guidance and mentoring to Junior Network Specialists Share knowledge during incident reviews and operational discussions
ROLE SPECIFICATIONS QualificationBachelor s degree in Computer Science Information Systems or Information Technology Certification CCIE Routing amp 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
- 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
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