Role overview
A network engineer designs, builds and maintains the computer networks that keep an organisation connected and secure. In India they typically configure routers, switches and firewalls, monitor network performance, troubleshoot connectivity issues, manage VPNs and security, and ensure uptime — keeping data flowing reliably between users, servers and the internet across offices and data centres.
A network engineer usually has around 0–8 yrs of experience and earns typically ₹3L–₹15L/yr in India. The day-to-day blends TCP/IP, Routing & switching, Cisco (CCNA) and more — this page gives you a ready-to-use network engineer job description template you can copy, plus the exact skills and salary employers expect.
Key responsibilities
A network engineer is typically responsible for:
- Design, configure and maintain LAN, WAN and wireless networks
- Set up and manage routers, switches, firewalls and VPNs
- Monitor network performance and proactively prevent outages
- Troubleshoot connectivity, latency and hardware issues
- Implement network security, access control and patches
- Document network topology, configurations and changes
- Manage IP addressing, DNS, DHCP and VLANs
- Respond to incidents and ensure network uptime and SLAs
Requirements & qualifications
To succeed as a network engineer, candidates usually need:
- Understanding of TCP/IP, routing, switching and the OSI model
- Hands-on experience with Cisco or comparable network hardware
- Knowledge of firewalls, VPNs and network security
- Certifications like CCNA are a strong plus
- Troubleshooting, monitoring and documentation skills
Network Engineer skills
The most in-demand network engineer skills on listings today:
Not sure which of these you're missing? A free OnJob profile runs your CV against every live network engineer job and shows the exact skill gaps standing between you and a 100% match.
Typical salary & experience
Typical salary (India)
typically ₹3L–₹15L/yr
Experience range
0–8 yrs
These are typical ranges and vary by city, company and skills. For live, role-specific pay data, see the OnJob salary guide.
Network Engineer job description — FAQs
What does a network engineer do?
A network engineer designs, builds and maintains the computer networks that keep an organisation connected and secure. They configure routers, switches and firewalls, monitor performance, troubleshoot connectivity, manage security, and ensure network uptime.
What certifications help a network engineer in India?
The Cisco CCNA is the most recognised entry certification, with CCNP for advanced roles. Certifications in security (like CompTIA Security+) and cloud networking add further value as networks move to the cloud.
What is the difference between a network engineer and a system administrator?
A network engineer focuses on the connectivity between devices — routers, switches, firewalls and links — while a system administrator manages servers, operating systems and user environments. Networks connect; sysadmins run the machines.
How much does a network engineer earn in India?
Freshers typically earn ₹3L–₹5L per year, mid-level network engineers ₹6L–₹10L, and senior network engineers ₹12L+. See our salary guide for current ranges.