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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Engineer 3 Network Design Engineer - Managed Enterprise Solutions - **Company:** Comcast Corporation - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Salary:** $75,217.0 - $176,289.0 - **Contract:** Temporary contract - **Skills:** Border Gateway Protocol, VoIP, Complex Networks, Computer Networks, Dynamic Host Configuration Protocol, Dynamic Multipoint Virtual Private Networks, Enhanced Interior Gateway Routing Protocol, Frame Relay, Hot Standby Router Protocol, Integrated Services Digital Networks, Internet Protocol Security (IP SEC), Multi-protocol Systems, Network Configuration and Change Management, Network Diagrams, Network Planning and Design, Routing, Open Shortest Path First (OSPF), PCI Data Security Standards, Simple Network Management Protocols, Software Systems, Terminal Access Controller Access-Control System (TACACS), Wireshark, Virtual Local Area Networks, Virtual Router Redundancy Protocols, WhatsUp Gold (Software), Wireless Networks, Network Routers, Dynamic Routing, Authentication Authorization Accounting (Server Program), VLAN Trunking Protocol (VTP), Computer Networking Systems, Computer Network Technologies, System Availability, Wireless Devices, Firewalls (Computer Science), Juniper, NetScout, SolarWinds (Software), Fortinet, RIPv2, Cisco - **Published:** October 23, 2026 - **Apply:** https://www.employmentcrossing.com/job/id-af7e52bf079684242fdaa06f05289b4b ## About the Role B.A. or B.S. Degree in a technical field from an accredited college or university. 5 years of experience in network design, implementation, installation, maintenance and troubleshooting of complex networks. Equivalent combination of education and experience considered. CCNP, JNCIP, FNCSP(NSE4), CCVP, CCSP Certification or equivalent on-the-job experience considered Strong working knowledge of various Vendor routers, switches, firewalls and wireless devices to include; Cisco, Meraki, Fortinet, Juniper, Aerohive, Airtight and Cradlepoint Strong understanding of networking technologies to include : MPLS, Frame-Relay, PPP, ISDN, T1 High Availability protocols such as; HSRP, VRRP, GLBP IP Routing protocols to include; RIPv1, RIPv2, OSPF, BGP, EIGRP, Policy Routing Tunneling protocols to include; GRE, IPSec, DMVPN, IWAN QOS, Traffic Policing and Shaping ACLs, AAA, TACACS , RADIUS, SNMP, DHCP Switch VLANs, VTP, STP VoIP, SIP and PRI trunking Wireless Networking Understanding of VoIP, SIP and PRI voice technologies Understanding of various network tools to include WhatsUp Gold, SolarWinds Orion, Cisco CCE, Cisco Prime, FortiManager, FortiAnalyzer, Wireshark or Netscout Understanding of various compliance requirements, to include, but not limited to, PCI DSS, HIPAA, SOC a plus Organized individual with the ability to manage multiple projects or tasks. Strong technical documentation skills, to include creating network diagrams, operations and maintenance procedures, and technical presentations. Strong verbal skills, to include technical presentations to all levels of technical expertise., Bachelor's Degree While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience. Relevant Work Experience 5-7 Years ## Description Network Design Engineer works for and under the general direction of the Manager, Network Engineering. Primary responsibilities include the design of custom enterprise network solutions for our customers, troubleshooting, installing, implementing and administering network systems, and providing Tier IV Help Desk escalation support. Analyzes capacity issues and develops capacity planning models. Responsible for ensuring planned maintenance and testing activities are executed and for developing guidelines for network configuration and security standards., Design and implementation of custom network solutions for existing and potential customers. Follows best-practice industry standards to provide a network design which is functional, scalable and secure. Supports the Solutions Architect group to design, document and implement customer pilots and provide support for customer testing as required while in the pilot phase of the sales process. Provides network engineering support to Sales organization as required. Provides Tier IV escalation support to Help Desk. Troubleshoots, diagnoses and resolves customer network issues. When applicable, recommends changes to remediate any network deficiencies to enhance network performance. Researches, evaluates and provides recommendations for new hardware and software solutions, to stay current with new technology and market trends and future requirements. Position requires participation of a rotating 'on call' schedule to provide support for our business and customers. Creates technical presentations as needed, presenting to various audiences (both internal and external) with all levels of technical knowledge. Develops, documents and maintains processes and procedures related to design, implementation, maintenance and operations of various complex customer networks. Follows and enforces documented processes and procedures to meet established compliance requirements. Analyzes customer bandwidth requirements and system interdependencies as required. Develops capacity planning models to meet customer's future needs. Perform other tasks as requested by the Sr. Manager, Network Engineering