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Siglen Ari Purwanto is an experienced engineer specializing in telecommunications and transport engineering. Currently serving as a Transport Engineer at PT Infrastruktur Telekomunikasi Indonesia (Telkominfra) since June 2021, Siglen has a strong background in the industry, having held previous positions as Coordinator at PT. Pins Indonesia and ITC Supervisor at Ericsson Indonesia. Notable achievements include leading and engineering various network testing and commissioning projects across multiple companies, including Rigen Telekomunikasi, where significant contributions to microwave network expansions and troubleshooting initiatives were made. Siglen holds a Bachelor's degree in Informatics from STMIK Triguna Utama, obtained between 2011 and 2014.