Network Service Engineer

Key Responsibilities

Network Operations & Monitoring

• Perform continuous monitoring of network infrastructure and services.

• Conduct proactive health checks to ensure network availability and stability.

• Monitor alerts, events, and system performance metrics.

• Verify and maintain network backup integrity and recovery readiness.

• Identify and escalate potential service disruptions before impacting business operations.

Incident & Problem Management

• Manage end-to-end incident resolution in accordance with agreed Service Level Agreements (SLAs).

• Troubleshoot network-related issues involving routing, switching, security, and load balancing technologies.

• Conduct Root Cause Analysis (RCA) for recurring or major incidents.

• Coordinate with internal teams, vendors, and stakeholders to restore services efficiently.

• Maintain incident documentation and knowledge base updates.

Infrastructure Management & Lifecycle Support

• Administer and maintain network devices including routers, switches, firewalls, and load balancers.

• Perform firmware, software, and hardware upgrades.

• Support technology refresh and infrastructure lifecycle initiatives.

• Ensure network configurations comply with operational and security standards.

Security Management

• Manage firewall policies, access control rules, and security configurations.

• Monitor security logs and investigate network security events.

• Support compliance initiatives, including adherence to CIS benchmarks and security standards.

• Escalate security threats and vulnerabilities in accordance with established procedures.

• Collaborate with cybersecurity teams on remediation activities.

Patch & Vulnerability Management

• Conduct vulnerability assessments and review scan results.

• Prioritize remediation activities based on risk severity.

• Implement security patches and firmware updates across network infrastructure.

• Track patch compliance and maintain remediation records.

• Support security audits and compliance reporting requirements.

Asset & Configuration Management

• Maintain accurate asset inventory and network documentation.

• Update and manage Configuration Management Database (CMDB) records.

• Perform asset reconciliation and configuration verification exercises.

• Ensure configuration changes are properly documented and approved.

Change & Release Management

• Execute network changes following ITIL-based Change Management processes.

• Conduct risk assessments and impact analysis for planned changes.

• Develop implementation plans, testing procedures, and rollback strategies.

• Participate in Change Advisory Board (CAB) discussions where required.

• Ensure successful deployment of network releases and enhancements.

Capacity & Performance Management

• Monitor network utilization, availability, and performance trends.

• Analyze capacity requirements and recommend infrastructure enhancements.

• Identify potential bottlenecks and implement optimization measures.

• Produce performance reports and forecasting recommendations.

Documentation & Reporting

• Maintain network architecture diagrams, SOPs, operational runbooks, and technical documentation.

• Prepare daily operational reports and service status updates.

• Produce monthly service reports covering:

  • SLA performance

  • Incident trends and RCA findings

  • Patch and vulnerability compliance

  • Security posture metrics

  • Asset reconciliation status

  • Capacity and performance analysis

Technical Environment

The successful candidate should possess experience in one or more of the following technologies:

Networking

• Cisco Routers

• Cisco Switches

• Cisco Load Balancing Technologies

Security

• Palo Alto Firewalls

• Check Point Firewalls

Load Balancing

• F5 BIG-IP Load Balancers

Tools & Methodologies

• ITSM Platforms (e.g., ServiceNow, Remedy)

• ITIL Framework

• Network Monitoring & Performance Management Tools

• Vulnerability Management Solutions

• CMDB & Asset Management Systems

Requirements

Education

• Diploma or Degree in Information Technology, Computer Science, Network Engineering, or related discipline.

Experience

• Minimum 3–8 years of experience in network operations, network engineering, or managed services environments.

• Experience supporting enterprise-scale network infrastructure.

• Hands-on experience with Cisco networking technologies.

• Practical experience administering Palo Alto, Check Point, or F5 technologies.

• Familiarity with ITIL-based service management practices.

Preferred Certifications

• Cisco CCNA / CCNP

• Palo Alto PCNSA / PCNSE

• Check Point CCSA / CCSE

• F5 Certified BIG-IP Administrator

• ITIL Foundation Certification

Key Competencies

• Strong troubleshooting and analytical skills

• Excellent incident response and problem-solving capabilities

• Understanding of network security best practices

• Ability to work in a 24x7 managed services environment

• Strong stakeholder communication and documentation skills

• Ability to manage multiple priorities in a fast-paced environment

Deliverables

• Daily operational monitoring and health check reports

• Timely incident response and resolution within SLA commitments

• Monthly service performance reports

• Patch and vulnerability compliance reporting

• Security monitoring and escalation reports

• Asset inventory and CMDB maintenance

• Capacity planning and infrastructure improvement recommendations

• Updated technical documentation and operational procedures