Penelitian ini bertujuan untuk menghasilkan media berupa ensiklopedia pekerjaan bidang matematika dan ilmu pengetahuan alam (MIPA) untuk peserta didik kelas X di SMA Suluh Jakarta yang dapat digunakan sebagai layanan perencanaan individual. Populasi pada penelitian ini berjumlah 71 orang. Teknik sampling yang digunakan adalah non probability sampling dengan teknik sampling jenuh. Metode penelitian yang digunakan adalah metode research and development (R&D) model ADDIE (Analyze, Design, Development, Implementation dan Evaluation). Tahapan dalam penelitian ini adalah analisis, desain dan pengembangan. Alat pengumpulan data menggunakan angket, wawancara dan studi dokumentasi. Ensiklopedia berisi pekerjaan ahli analisis riset operasional (quality control), ahli astronomi, ahli biokimia, ahli biologi, ahli fisika, ahli genetika, ahli hidrologi, ahli kimia, ahli matematika, ahli mikrobiologi, ahli statistika, ahli zoologi dan aktuaris. Hasil penilaian evaluasi formatif yang diperoleh yaitu ahli materi 85,8%, ahli media 92% dan peserta didik 80,2%. This study aims to develop an encyclopedia about the mathematics and natural sciences jobs for student class X at Suluh Senior High School that can be used as individual planning services. The population in this study amounted to 71 peoples. The sampling technique used is non-probability sampling with saturated sampling technique. The method used is a method of research and development (R&D) model of ADDIE (Analyze, Design, Development, Implementation and Evaluation). The stages in this research is analyze, design and development. Data collection tools in the form of questionnaires, interviews and documentation study. The Encyclopedia contains is analysis operational research (quality control), astronomers, biochemists, biologists, physicists, geneticists, hydrologists, chemists, mathematicians, microbiologists, statisticians, zoologists and actuaries. Results of the formative evaluation is 85.8% of material experts, media experts 92% and 80.2% of students.