The National Aeronautics and Space Administration (NASA) is issuing a Special Notice for a NX Mach 3 Maintenance Renewal service, which is typically used for maintaining and supporting software in the domain of engineering and design. The procurement is targeted at Siemens Government Technologies, Inc., with the contract to be awarded under the authority of FAR 13.106-1(b)(1)(i). The service will be provided for NASA's Johnson Space Center (JSC) in Texas. NASA plans to utilize the provisions and procedures outlined in FAR Part 12 and FAR Part 13 for commercial item acquisitions. Interested parties have until 8:00 a.m. Central Standard Time on April 18, 2024, to submit their capabilities and qualifications to the designated contacts, Cody Guidry and Will Garrett. The NAICS Code for this procurement is 513210, corresponding to the Software Publishers industry. Oral communications are not accepted, and the NASA Ombudsman clause applies.