Network Engineer with Cisco Expertise

Salary: $100,000 - 140,000 per year Requirements: Bachelors degree with 12 years of relevant experience in a technical discipline from an accredited college or university. Associates degree with 15 years of relevant experience or high school diploma with 20 years of relevant experience. Extensive experience in provisioning and maintaining network infrastructures, as well as developing, operating, and managing networks for secure PKI, IPSEC, or VPN environments. Proven expertise with Cisco network equipment, including models such as 9300, 3850, 4900, ASR-2130, etc. Cisco Certified Network Associate (CCNA) certified at the Professional level in Network Security (CCSP), Network Design (CCDP), and/or Routing & Switching (CCNP). Ability to comprehend routing protocols, QOS, and implement traffic shaping and policing on the network, as well as understanding IPSEC tunneling. Experience with cryptographic technologies. Responsibilities: Support customer networks that involve cross-domain solutions, including VPNs, one-way data transfers, unclassified mission-related infrastructures, and Taclane 175 encryption devices, configuring routing with MPLS/VPLS, OSPF, EIGRP at core and distribution devices, and switching at access devices. Plan, deploy, and conduct quality assurance for system and network upgrade projects. Create high, mid, and low-level diagrams and schematics to document the system and network infrastructure for planning, historical reference, and continuity. Design, install, configure, troubleshoot, and maintain LAN/WAN equipment necessary for delivering telecommunications services in a diverse environment using various Cisco network equipment, including Nexus and Catalyst models as well as Integrated Service Routers. Design networks incorporating switching technologies such as VLAN, Inter-VLAN routing, trunking, and port aggregation in WAN/LAN settings. Technologies: Cisco Support LAN MPLS Network Nexus Security VPN More: We at MANTECH are looking for a driven and customer-focused Network Engineer to become part of our team in Laurel, MD. Joining us means being part of a committed group that provides enterprise infrastructure capabilities for a global workforce engaged in a variety of national defense missions. We offer a collaborative work environment and the opportunity to work on impactful projects. Our team is dedicated to excellence, and we continuously strive to support each other and advance our skills. last updated 34 week of 2026