Description
· Administer and maintain all IT Network and Security aspects, configure and install various network devices and services (e.g. Routers, Switches, Firewalls).
· Perform maintenance and upgrades for managed network and network security devices including firmware upgrades, hotfixes, hardening, and security configuration changes.
· Design and operate Azure network connectivity using hub and spoke architecture to enforce segmentation, secure routing, and controlled east west traffic flows.
· Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.
· Select and implement security tools, policies, and procedures in conjunction with the company's security team.
· Integrate comprehensive metrics into the security posture of the organization.
· Identify areas of weakness and vulnerability and recommends changes to meet security standards.
· Facilitate security vulnerability assessments for internal and external penetration testing.
· Provide technical direction and guidance to other Security Engineers, Information Technology, and the business to align with regulatory, security requirements.
· Monitor Network performance and ensure system availability and reliability.
· Review the logs of all devices collected through Security Event Log Manager Device. Provide Level-2/3 support and troubleshooting to resolve issues.
· Liaise with vendors and customer IT personnel for problem resolution.
· Ensure all Network and system configuration are appropriately documented.
Cloud Management & Governance (Network & Security Scope)
· Design, implement, and maintain secure cloud network architectures including Virtual Networks, Subnets, NSGs, Route Tables, VPN Gateways, and ExpressRoute connectivity.
· Enforce cloud networking governance standards including IP addressing schemes, segmentation policies, and security zoning.
· Ensure compliance with cloud security best practices and regulatory requirements for network isolation and traffic control.
· Implement and maintain cloud firewall policies, network access controls, and secure connectivity between on-premises and cloud environments.
· Monitor cloud network usage and optimize routing and bandwidth utilization.
· Support cloud security posture management by enforcing least privilege access and secure connectivity models.
· Participate in cloud architecture reviews to ensure network resiliency, scalability, and high availability.
Managed Service Partner Coordination
· Act as technical focal point for managed service providers handling network operations, SOC, NOC, and security monitoring services.
· Coordinate incident response activities with service partners during network outages or security events.
· Review managed service performance reports and ensure SLA and KPI compliance.
· Validate vendor configuration changes and security updates before production deployment.
· Participate in service review meetings and provide technical feedback on operational improvements.
· Support onboarding of new vendors and technologies including knowledge transfer sessions and technical documentation validation.
· Escalate critical operational risks and performance gaps to IT management.
Performance Optimization & Troubleshooting
· Continuously monitor network performance, latency, throughput, and packet loss across LAN, WAN, and cloud connectivity.
· Identify performance bottlenecks and implement optimization strategies including QoS tuning, routing optimization, and firewall rule cleanup.
· Perform root cause analysis (RCA) for major incidents and recurring network or security issues.
· Conduct proactive health checks on firewalls, switches, routers, and VPN gateways.
· Optimize security device performance by reviewing logging levels, policy efficiency, and inspection rules.
· Support capacity planning and forecast network growth requirements.
· Participate in disaster recovery testing and network resilience validation.
Collaboration & Documentation
· Work closely with Infrastructure, Cloud, Application, and Information Security teams to ensure end-to-end network and security alignment.
· Maintain up-to-date network topology diagrams, firewall rule documentation, IP address management records, and cloud architecture diagrams.
· Document standard operating procedures (SOPs) for network operations, incident handling, and security changes.
· Support audit activities by providing network configuration evidence and security compliance documentation.
· Participate in change advisory board (CAB) meetings and contribute technical risk assessments.
· Share technical knowledge with junior engineers and operations teams through internal documentation and training sessions.