A typical network engineer job description includes: Engineering enterprise data, voice and video networks. Establishing and operating network test facilities. Maintaining a secure transfer of data to multiple locations via internal and external networks. Working with vendors, clients, carriers and technical staff on network implementation, optimization and ongoing management. Providing high-level support and technical expertise in networking technology, including LAN/WAN hardware, hubs, bridges and routers. Engineer salary is projected to increase 5.7 percent in 2016, with compensation ranging from $96,000-$138,750.