Service Professional - Backend Services (Network Operations) (F/M/D)

Design, implement, and maintain LAN, WLAN, WAN, VPN, wireless, proxy, firewall, and cloud network systems.

Manage Cisco and Fortinet devices, including Cisco ISE integration for access control and policy enforcement

Provide Tier 2/3 support and participate in incident response and on-call rotations.

Configure and manage VLANs, port security, and access control within the LAN environment.

Design and implement LAN zoning and segmentation strategies to isolate traffic, enhance security, and optimize performance.

Management of network devices with Cisco Catalyst Center

Support and maintain WAN connectivity between branch offices, data centers, and cloud environments.

Collaborate with ISPs and vendors to manage bandwidth, SLAs, and troubleshoot external connectivity issues.

Administer and troubleshoot Cisco network devices including routers and switches.

Configure and maintain secure VPN tunnels for remote access and site-to-site connectivity.

Monitor VPN performance and availability, ensuring secure and reliable access for users and systems.

Ensure VPN configurations comply with organizational security policies.

Deploy and manage wireless access points and controllers across office and campus environments.

Monitor wireless network performance, coverage, and interference.

Implement wireless security protocols including WPA2/WPA3 and guest access controls.

Integrate wireless LAN with Cisco Identity Services Engine (ISE) for centralized authentication, policy enforcement, and device profiling.

Configure and manage proxy servers to control and monitor internet access.

Implement URL filtering, content control, and user authentication policies.

Analyze proxy logs for usage patterns, security threats, and performance issues.

Administer firewall policies and rule sets to protect network boundaries.

Monitor firewall logs and alerts suspicious activity and potential threats.

Collaborate with security teams to implement intrusion prevention and detection systems.

Manage and monitor cloud-based networking components across platforms such as AWS, Azure, and Google Cloud.

Integrate on-premises networks with cloud infrastructure using VPNs and hybrid connectivity solutions.

Collaborate with cloud architects and DevOps teams to support cloud-native applications and services.

Assist in deploying and configuring network devices including routers, switches, firewalls, proxy servers, and wireless controllers.

Maintain accurate documentation of network topology, configurations, and changes.

Implement network security measures such as ACLs, firewalls, and intrusion detection systems.

Support compliance with internal security policies and external regulatory requirements.

Provide Tier 2/3 support for network-related incidents and service requests.

Work closely with system administrators, cybersecurity teams, and external vendors.

Bachelor’s degree in Computer Science, Information Technology, or related field.

5+ years of experience in network administration or support.

Strong understanding of TCP/IP, DNS, DHCP, VLANs, and routing protocols.

Experience with Cisco, Juniper, or similar network platforms.

Familiarity with network monitoring tools (e.g., SolarWinds, PRTG).

Certifications required/preferred:

CCNA (Cisco Certified Network Associate) – required

CCNP (Cisco Certified Network Professional) – preferred

Fortinet NSE 4 (Network Security Professional) or higher – preferred for FortiGate firewall management

Experience with Cisco ISE, SD-WAN, and cloud networking certifications (e.g., AWS Certified Advanced Networking, Azure Network Engineer Associate) is highly desirable.

CLI configuration capability

Experience with cloud networking (AWS, Azure, GCP).

Knowledge of ITIL practices and service desk operations.