Network Security Engineer

. Daily Operations & Monitoring

i. Monitor Application Delivery Controllers (ADC), Load Balancers, and related systems

ii. Ensure system health, resource utilization, and traffic performance

iii. Review logs, alerts, and dashboards

iv. Perform routine checks (CPU, memory, sessions, throughput)

v. Verify backup and failover readiness

vi. Working hours: 9:00am to 6:00pm (business days)

. Incident Management

i. Troubleshoot application and ADC issues

ii. Perform root cause analysis

iii. Coordinate with Sangfor TAC

. Change & Configuration Management

i. Implement configuration changes (e.g. VIPs, policies, SSL certs, routing rules)

ii. Support application onboarding and migration

iii. Maintain configuration consistency across environments

iv. Perform impact analysis before changes

v. Follow change management procedures and approvals

. Performance Optimization

i. Analyze traffic patterns and application behaviour

ii. Optimize load balancing algorithms and policies

iii. Fine-tuning caching, compression, SSL offloading

iv. Identify bottlenecks and recommend improvements

v. Conduct periodic performance reviews

. High Availability & DR

i. Maintain HA clustering and conduct DR drills

. Capacity Planning & Reporting

i. Track usage trends and growth patterns

ii. Provide capacity recommendations

iii. Generate weekly/monthly reports including:

a. Availability and uptime

b. Incident summary

c. Performance metrics

d. Security events

. Documentation

i. Maintain up-to-date network and application delivery diagrams

ii. Document configurations, procedures, and SOPs

iii. Create knowledge base articles for recurring issues

. Stakeholder Engagement

i. Attend meetings and provide recommendations