Service Professional Backend Services

Job Title: Service Professional - Backend Services (Network Operations)

Location: Bangalore, India

Department: IT Backend Services

Reports To: Global Head SSC

Employment Type: Full-Time

Job Summary

We are seeking a skilled and proactive Network Specialist to support the design, implementation, and maintenance of our organization's network infrastructure. The role involves hands-on work with LAN, WAN, VPN, wireless, proxy, firewall, and cloud network systems, ensuring high availability, performance, and security across all network layers.

Key Responsibilities

Summary of Key Responsibilities

As a Network Specialist, you will:

- Design, implement, and maintain LAN, WLAN, WAN, VPN, wireless, proxy, firewall, and cloud network systems.
- Ensure secure, scalable, and high-performance network infrastructure across on-premises and cloud environments.
- Manage Cisco and Fortinet devices, including Cisco ISE integration for access control and policy enforcement.
- Monitor and troubleshoot network issues, ensuring minimal downtime and optimal user experience.
- Collaborate with cross-functional teams to support business continuity, security, and compliance initiatives.
- Provide Tier 2/3 support and participate in incident response and on-call rotations.

Network Operations

Local Area Network (LAN):

- Monitor and maintain internal network infrastructure including switches, access points, and structured cabling.
- 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.
- Ensure optimal performance of wired and wireless LAN systems across office and data center locations.
- Management of network devices with Cisco Catalyst Center
- Troubleshoot LAN-related issues and coordinate with desktop support teams for resolution.

Wide Area Network (WAN):

- Support and maintain WAN connectivity between branch offices, data centers, and cloud environments.
- Configure and monitor routers, firewalls, and inter-site routing protocols.
- Collaborate with ISPs and vendors to manage bandwidth, SLAs, and troubleshoot external connectivity issues.
- Assist in implementing SD-WAN solutions and optimizing WAN traffic routing.




- Administer and troubleshoot Cisco network devices including routers and switches.

Virtual Private Network (VPN):

- 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.
- Troubleshoot VPN-related issues and support end-users with connectivity problems.
- Ensure VPN configurations comply with organizational security policies.

Wireless Network:

- 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.
- Conduct periodic site surveys and optimize wireless configurations for performance and reliability.
- Integrate wireless LAN with Cisco Identity Services Engine (ISE) for centralized authentication, policy enforcement, and device profiling.
- Ensure secure onboarding of users and devices through ISE-based access control and posture assessment.

Proxy Operations:

- 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.
- Ensure proxy services align with organizational compliance and security standards.

Firewall Operations:

- Administer firewall policies and rule sets to protect network boundaries.
- Monitor firewall logs and alerts suspicious activity and potential threats.
- Perform regular audits and updates to firewall configurations.
- Collaborate with security teams to implement intrusion prevention and detection systems.

Cloud Network Management:

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



subnets, gateways, and security groups in cloud environments.
- Integrate on-premises networks with cloud infrastructure using VPNs and hybrid connectivity solutions.
- Ensure cloud network security, scalability, and compliance with organizational standards.
- Collaborate with cloud architects and DevOps teams to support cloud-native applications and services.

Configuration & Deployment

- 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.

Security & Compliance

- Implement network security measures such as ACLs, firewalls, and intrusion detection systems.
- Support compliance with internal security policies and external regulatory requirements.

Support & Collaboration

- Provide Tier 2/3 support for network-related incidents and service requests.
- Work closely with system administrators, cybersecurity teams, and external vendors.
- Participate in on-call rotations and incident response activities.

Qualifications

- 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 Skilled) 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.

Preferred Skills

- CLI configuration capability
- Experience with cloud networking (AWS, Azure, GCP).
- Knowledge of ITIL practices and service desk operations.

What We Offer

- Competitive compensation and benefits.
- Opportunities for professional growth and certification.
- A collaborative and supportive work environment.
- Flexible work arrangements.

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