To thrive as an ISP Network Engineer, you need strong knowledge of network protocols, troubleshooting skills, and a degree in computer science or related field. Familiarity with routers, switches, firewalls, monitoring tools, and certifications like Cisco CCNA/CCNP or Juniper JNCIA are highly valued. Excellent problem-solving, communication, and time management skills help engineers support customers and coordinate with cross-functional teams. These capabilities are essential to maintain network uptime, resolve technical issues efficiently, and ensure reliable service delivery.