Info Loker Kaltim: Polygon Group Butuh Admin Sales Retail close bing.com language 2025-07-11 07:41 event 3 weeks ago schedule Kaltim.akurasi.id, Bontang – PT. Insera Sena (Polygon Group) telah membuka lowongan kerja bagi warga Kota Balikpapan, minimal pendidikan SLTA.