Senior Network Engineer
Listed on 2026-06-18
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Engineering
Systems Engineer, Cybersecurity
Direct message the job poster from Searchability NS&D
Defense & Aerospace - Enhanced Capability Builder- Ability to acquire and maintain a TS/SI/TK clearance.
- Competitive Salary + Package
We are partnered with a defense innovator delivering mission-critical systems from concept through development, integration, and long-term operations. With offices 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.
Responsibilities- 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).
- Experience modernizing and optimizing enterprise networks in secure environments.
- Ability to acquire and maintain a TS/SI/TK clearance.
- Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience).
- Strong knowledge of firewalls, proxies, and load balancers.
- Effective communication and collaboration skills.
- Design and implementation of LAN/WAN, routing, switching, VPN, and firewall technologies.
- Advanced knowledge of Cisco and Palo Alto security platforms.
- Network automation and scripting.
- Excellent problem solving and documentation abilities.
TO BE CONSIDERED...
Apply directly to this posting or email paolo for more information. I am available 7am – 9pm, Monday–Sunday. 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.
Seniority levelMid-Senior level
Employment typeFull-time
Job functionOther and Engineering
IndustriesDefense and Space Manufacturing, Engineering Services, and Staffing and Recruiting
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