Network Engineer

Network Engineer Network Engineer (Cisco-Centric) Ability to acquire and maintain a TS/SI/TK clearance. Competitive Salary + Package Dallas, TX full time, on-site We are partnered with a defense innovator delivering mission-critical systems from concept through development, integration, and long-term operations. With offices in just outside Dallas, TX, they support highly sensitive national security programs with cutting-edge solutions. Our client is seeking a Cisco-focused Network Engineer to design, implement, and maintain secure network infrastructure across mission-critical environments. You will architect LAN/WAN solutions, troubleshoot complex networking issues, and ensure compliance with security and regulatory standards while collaborating with multi-disciplinary teams. You would work across various highly sensitive internal programs. Required Skills: Design, implement, and maintain network infrastructure including LAN/WAN, routers, switches, VPN appliances, and VPNs. Configure and troubleshoot Cisco technologies (BGP, EIGRP, OSPF, GRE tunnels, IPSec, SSL VPN, QoS, VLAN, MPLS, STP, trunking, etc.). Experience with Palo Alto and Cisco firewalls. Proficiency in network protocols, services, and tools (Radius, DNS, NTP, SYSLOG, SSH, TCP/IP subnetting). Develop documentation including network diagrams (Visio) and configuration records. Perform assessments, testing, and validation of network environments to ensure functionality, security, and compliance. Coordinate with vendors and carriers for telecom services, POP, circuits, and troubleshooting. Familiarity with cloud technologies and network automation (e.g., scripting, Python). Ability to acquire and maintain a TS/SI/TK clearance. Desired: Bachelors degree in Computer Science, IT, or related field (or equivalent experience). Strong knowledge of firewalls, proxies, and load balancers. Effective communication and collaboration skills. Experience modernizing and optimizing enterprise networks in secure environments. TO BE CONSIDERED... Apply directly to this posting or email paolo.melacrinis@searchability.com for more information. I am available 7am 9pm, MondaySunday. By applying, you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Key Skills: TS/SCI, Cisco, Palo Alto, LAN/WAN, VPN, BGP, OSPF, EIGRP, IPSec, QoS, VLAN, MPLS, STP, Network Security, Firewalls, Cloud, Python, Automation, Defense