Sr. Network Specialist

Oman Investment Authority; Muscat; On-site; OMR 60,000 - 90,000; Full time

Job summary

Oman Investment Authority seeks a Senior Specialist Network to deliver advanced L2 network operations support within Otech’s managed services environment. You will ensure stability, availability, performance and security of network infrastructure by troubleshooting, monitoring and timely escalation of design-level issues.

The role requires operating and maintaining enterprise and cloud networks, handling incidents with structured methods, and mentoring junior specialists while coordinating with

Qualifications

• 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.

Responsibilities

• 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.
• Investigate and resolve network incidents using structured troubleshooting methodologies and escalate when needed.
• Monitor network health, availability and performance using approved tools.

Skills

L2 troubleshooting

Cisco networks

Firewall & load balancer

Documentation & comms

Vendor coordination

Education

Bachelor's degree in CS/IS/IT

CCIE Routing & Switching

CCNP

NSE4-8 desirable

Tools

Cisco

Palo Alto

Juniper

F5

Huawei

Job description

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 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 amp 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 ... 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 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