Network Engineer

4 days ago

Kolkata, West Bengal, India Weekday AI Full time

This role is for one of the Weekday's clients

Min Experience: 3 years

Location: Kolkata, Gujarat

JobType: full-time

We are seeking a highly skilled and proactive Network Engineer with 3–7 years of hands-on experience in managing, configuring, and optimizing enterprise network infrastructure. The ideal candidate will possess a strong foundation in networking technologies, demonstrated through practical experience and a valid Cisco Certified Network Associate (CCNA) certification. This role is critical to ensuring high availability, security, scalability, and performance of network systems that power business operations.

Requirements
Key Responsibilities
  • Design, deploy, configure, and maintain enterprise-level network infrastructure, including routers, switches, firewalls, wireless controllers, and load balancers.
  • Monitor network performance, identify bottlenecks, and implement optimization strategies to ensure minimal downtime and maximum efficiency.
  • Perform routine maintenance, upgrades, and patch management to ensure network stability and security compliance.
  • Troubleshoot complex network issues at Layer 1–Layer 7, providing root-cause analysis and permanent corrective solutions.
  • Configure and manage network routing and switching protocols including OSPF, EIGRP, BGP, VLANs, STP, HSRP, VRRP, and QoS policies.
  • Manage network access control, security configurations, and VPN technologies (IPSec, SSL, Remote Access).
  • Participate in network planning, capacity forecasting, risk analysis, and developing disaster recovery strategies.
  • Implement, document, and maintain network architecture diagrams, SOPs, and technical configurations.
  • Collaborate closely with IT infrastructure, cybersecurity, cloud, and DevOps teams to support system integration and seamless service delivery.
  • Support network-related aspects of office expansion, data center operations, cloud connectivity (AWS/Azure), and vendor coordination.
  • Conduct proactive network monitoring using tools like SolarWinds, PRTG, Nagios, Wireshark, or similar platforms.
Required Skills & Qualifications
  • CCNA certification (mandatory); CCNP will be an added advantage.
  • 3–7 years of relevant experience in enterprise networking, preferably in mid to large-scale environments.
  • Strong hands-on experience with Cisco, Juniper, Fortinet, or similar networking devices.
  • Proficiency in TCP/IP fundamentals, LAN/WAN architecture, Firewall rules, NAT, DHCP, DNS, load balancing, and network segmentation.
  • Experience with Wi-Fi network deployment and wireless troubleshooting.
  • Solid understanding of network security principles, firewalls, IDS/IPS, and access control policies.
  • Exposure to cloud networking and hybrid WAN technologies (SD-WAN preferred).
  • Ability to manage multiple tasks, prioritize effectively, and work independently with minimal supervision.
  • Strong analytical, problem-solving, and communication skills.
Good to Have
  • Experience with SD-WAN solutions (Viptela, Fortinet, Cisco Meraki, or equivalent).
  • Familiarity with VOIP systems, SIP protocols, and Unified Communication platforms.
  • Scripting knowledge for automation (Python, Bash, PowerShell).
  • Experience in ITIL-based service management processes.

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