This solicitation seeks qualified telecommunications providers to deliver secondary Ethernet transport circuits connecting Washington State K‑20 Education Network customer sites to the statewide backbone. The work includes provisioning, installation, testing, and ongoing maintenance of high‑capacity Ethernet services (up to several gigabits per second), with mandatory performance guarantees (≥ 99.9 % monthly uptime, latency < 15 ms, packet loss < 0.01 %). Bidders must specify bandwidth profiles, monthly recurring charges, one‑time costs, last‑mile delivery method (fiber or microwave), construction requirements, and node site (Seattle or Spokane). The contract will be an optional‑use IDIQ with a five‑year base period (through 30 June 2031) and up to five one‑year renewal options. All labor must comply with Washington’s prevailing‑wage rules, and bidders must provide various certifications (e.g., wage‑theft, E‑Rate participation, arbitration).