MetroSys is seeking a seasoned Cisco Network Engineer to support our client's network infrastructure in Dallas, TX. This is a flexible, contract-to-hire role designed for a senior-level engineer who can provide fractional support while bringing deep Cisco expertise to ensure network stability, performance, and security. The engineer will be expected to provide onsite support as needed, assisting with troubleshooting, design, configuration, and optimization of Cisco-based environments.