Recommend configuration changes to the Government Engineers, keep abreast of future upgrades, develop solutions, identify deficiencies, perform system changes, modify configurations as requested by the Government Engineers, and identify new requirements to the Government Engineers. Review configurations, operating, and troubleshooting procedures to include routers, switches, firewalls, classless inter-domain routing configurations, variable length subnet nak schemes, domain name services, network management services, encryptions, and satellite transmissions.