# Networ Engineer

> Weekday AI · Kolkata, India · Full-time · Posted 2026-09-22

**Salary:** INR 700,000–1,500,000

**Workplace:** on_site

**Department:** Weekday's Client via platform

## Description

𝗧𝗵𝗶𝘀 𝗿𝗼𝗹𝗲 𝗶𝘀 𝗳𝗼𝗿 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗪𝗲𝗲𝗸𝗱𝗮𝘆'𝘀 𝗰𝗹𝗶𝗲𝗻𝘁𝘀

𝗦𝗮𝗹𝗮𝗿𝘆 𝗿𝗮𝗻𝗴𝗲: 𝗥𝘀 𝟳𝟬𝟬𝟬𝟬𝟬 - 𝗥𝘀 𝟭𝟱𝟬𝟬𝟬𝟬𝟬 (𝗶𝗲 𝗜𝗡𝗥 𝟳-𝟭𝟱 𝗟𝗣𝗔)

Experience: 5+ yrs

Location: Kolkata, West Bengal, India

Job Type: Full-time

We are looking for an experienced **Network Engineer** with strong expertise in **Network Engineering and Cisco Firewall Security** to design, implement, maintain, and secure enterprise network infrastructure.

The role requires hands-on experience in network architecture, routing and switching, firewall administration, network security, troubleshooting, monitoring, and performance optimisation. You will be responsible for maintaining reliable and secure network connectivity while supporting business-critical applications and infrastructure.

The ideal candidate will have strong Cisco networking expertise, a security-focused mindset, and the ability to troubleshoot complex network and firewall issues in a production environment.

## Requirements

Key Responsibilities

-   Design, implement, configure, and maintain enterprise **network infrastructure** across LAN, WAN, Internet, and data centre environments.
-   Configure and manage Cisco networking equipment including routers, switches, and related network technologies.
-   Administer and maintain **Cisco Firewall Security** environments, including firewall policies, access control rules, NAT, VPNs, and security configurations.
-   Design and implement secure network architectures aligned with business and security requirements.
-   Configure and troubleshoot routing protocols, switching, VLANs, ACLs, NAT, DNS, DHCP, and related network services.
-   Implement and support site-to-site and remote-access VPN solutions.
-   Monitor network performance, availability, capacity, and security using appropriate monitoring and management tools.
-   Troubleshoot complex network connectivity, performance, routing, switching, and firewall issues.
-   Analyse network traffic, logs, alerts, and security events to identify potential issues and support incident resolution.
-   Participate in network security assessments, configuration reviews, and infrastructure hardening initiatives.
-   Plan and execute network upgrades, migrations, configuration changes, and technology refresh activities.
-   Collaborate with cybersecurity, infrastructure, cloud, application, and systems teams to resolve cross-functional technical issues.
-   Support incident, problem, and change management processes and maintain appropriate operational documentation.
-   Maintain accurate network diagrams, configuration records, firewall policies, and technical documentation.
-   Identify opportunities to improve network reliability, security, performance, and operational efficiency.
-   Support disaster recovery, business continuity, and high-availability initiatives for critical network infrastructure.
-   Follow established security policies, change-management processes, and operational standards.

What Makes You a Great Fit

-   **5+ years of professional experience** in network engineering, network administration, or network security.
-   Strong hands-on expertise in **Network Engineering and Cisco networking technologies**.
-   Proven experience administering and troubleshooting **Cisco Firewall Security** environments.
-   Strong understanding of routing, switching, VLANs, ACLs, NAT, TCP/IP, DNS, DHCP, and network troubleshooting.
-   Experience with Cisco routers, switches, firewalls, and enterprise network infrastructure.
-   Strong knowledge of firewall policy management, access control, VPNs, and network security principles.
-   Experience with site-to-site and remote-access VPN technologies.
-   Strong understanding of network security, segmentation, traffic control, and infrastructure hardening.
-   Experience with network monitoring, logging, alerting, and performance analysis tools.
-   Strong troubleshooting and root-cause analysis skills across complex network environments.
-   Experience supporting production networks with high availability and business-critical requirements.
-   Familiarity with ITIL-based incident, problem, and change management processes.
-   Experience working with infrastructure, cybersecurity, cloud, systems, and application teams.
-   Ability to document network architectures, configurations, security policies, and operational procedures.
-   Strong communication and stakeholder-management skills.
-   Ability to work independently, manage multiple priorities, and respond effectively to critical network incidents.
-   Relevant Cisco certifications such as **CCNA, CCNP, or equivalent networking/security certifications** would be an advantage.

## Apply

[Apply at Weekday AI](https://apply.workable.com/weekday-1/j/40A30CC0C3/apply)

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