Assistant Principal of Specialized Services - 2026/2027 School Year (Lenfest Campus-Center City) Mastery Charter SchoolsAssistant Principal of Specialized Services - 2026/2027 School Year (Lenfest Campus-Center City)Philadelphia, PA$108,200–$125,350 / yearFull timePhysical Requirements: Ability to physically perform the duties and to work in the environmental conditions required such as maneuvering in classrooms and office space-reaching file cabinets, filing, faxing, scanning, coping, typing, mailing, and making phone calls; Must be able to sit for up to two (2) hours looking at a computer monitor, using a keyboard and mouse and typing. Working closely with school leadership and instructional staff, you will manage and coordinate all specialized services, including special education, 504 plans, academic and social-emotional interventions, and English language development.
Principal Electronics Engineer (RELOCATION ASSIST) JobotPrincipal Electronics Engineer (RELOCATION ASSIST)Andalusia, PA$140,000–$160,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Design and develop high-power inverter and battery-integrated systems up to 480VDC / 400ADC; multi-kilowatt scale (systems up to 60kW) — candidates with low-voltage or signal-level backgrounds will not align.
Director of NJ Academic Programming (STEM) Mastery Charter SchoolsDirector of NJ Academic Programming (STEM)Camden, NJ$111,000–$125,500 / yearFull timeAdditionally, the Director position requires strong influence and partnership across academic teams and the ability to collaborate closely with school leaders, teachers, and cross‑functional teams to provide targeted professional learning, coaching, and implementation support that accelerates student mastery in science, particularly for students in historically under‑resourced communities and multilingual learner populations. Reporting to the Deputy Chief Academic Officer of NJ Programming, the Director plays a critical role in translating network academic priorities into clear instructional guidance and scalable systems within Camden that support teachers and school in delivering strong Tier 1 instruction that meets the needs of diverse learners.
NewPrincipal Data Platform Engineer Mitchell MartinPrincipal Data Platform EngineerKing of Prussia, PA$98,000–$140,000 / yearBachelor's degree in Computer Science, Engineering, Data Science, or related field, or equivalent practical experience. The successful candidate will work with generic technology platforms to ensure data quality and platform reliability.
Preschool Teacher / Administrator - Immediate Hire Chesterbrook AcademyPreschool Teacher / Administrator - Immediate HireMalvern, PA$23–$24Chesterbrook Academy Preschool is seeking a dedicated and organized Preschool Office Administrator who is passionate about early childhood education and ready to take the next step in their leadership journey. Spring Education Group’s Early Childhood Education Division includes nearly 150 schools offering services from infant care through Pre-K/K programs, as well as summer camp and after-school programs.
Elementary English Language Arts Teacher – 3rd-5th Grade – 2026/2027 School Year Mastery Charter SchoolsElementary English Language Arts Teacher – 3rd-5th Grade – 2026/2027 School YearPhiladelphia, PA$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. Develop and implement rigorous and appropriate lesson plans, assignments, and assessments in cooperation with Mastery school-based leadership and curricular resources developed by Mastery’s Central Office Academic Team.
High School Math Teacher - 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School Math Teacher - 9th-12th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. From the moment they enter our buildings, young mathematicians at Mastery engage with Eureka Math Squared Curriculum to develop the skills and understanding necessary to have strong mathematical fluency.
High School History Teacher – 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School History Teacher – 9th-12th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. From 7th through 12th Grades, Mastery’s students learn Ancient World History, African American History, Modern World History, US History, and Government/Economics (as well as have the chance to take AP Modern World History, AP US History, and AP Government/Economics).
High School English Teacher - 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School English Teacher - 9th-12th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. It is well-documented that the opportunity gap in the United States is a literacy gap and by taking on the mantle of an English Teacher you will work daily to set our students up for long-term success and ensure they get a world-class education.
High School Science Teacher – 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School Science Teacher – 9th-12th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
High School Chemistry Teacher – 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School Chemistry Teacher – 9th-12th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
High School Physics Teacher – 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School Physics Teacher – 9th-12th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
High School Science Teacher - 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School Science Teacher - 9th-12th Grade - 2026/2027 School YearPhiladelphia, PA$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
High School Technology Teacher - 9th-12th Grade 2026/2027 School Year Mastery Charter SchoolsHigh School Technology Teacher - 9th-12th Grade 2026/2027 School YearPhiladelphia, PA$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. Develop rigorous and appropriate lesson plans, assignments, and assessments in cooperation with Mastery school-based leadership and curricular resources developed by Mastery’s Central Office Academic Team.
Middle School Math Teacher - 6th-8th Grade - 2026/2027 School Year Mastery Charter SchoolsMiddle School Math Teacher - 6th-8th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. From the moment they enter our buildings, young mathematicians at Mastery engage with Eureka Math Squared Curriculum to develop the skills and understanding necessary to have strong mathematical fluency.
Middle School English Language Arts Teacher - 6th-8th Grade - 2026/2027 School Year Mastery Charter SchoolsMiddle School English Language Arts Teacher - 6th-8th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. You and your students engage with a rigorous, knowledge-rich curriculum that develops strong reading, writing, speaking, and thinking skills while ensuring every student has access to grade-level learning.
Middle School Science Teacher - 6th-8th Grade - 2026/2027 School Year Mastery Charter SchoolsMiddle School Science Teacher - 6th-8th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
NewAssistant Director of Multilingual Learners Mastery Charter SchoolsAssistant Director of Multilingual LearnersPhiladelphia, PA$96,000–$107,500 / yearFull timeOther Requirements: Ability to physically perform the essential duties of the role as outlined above, and to work in the environmental conditions required, such as traveling to network campuses, monitoring and interacting with students, in-person facilitation of trainings, etc; This role may require frequent travel between multiple locations. Position Summary: The Assistant Director of Multilingual Learners (ADoML) will support Mastery Schools’ campuses in implementing and coordinating effective classroom instruction and initiatives for our Multilingual Learner population.
Elementary Teacher – K-3rd Grade - 2026/2027 School Year Mastery Charter SchoolsElementary Teacher – K-3rd Grade - 2026/2027 School YearPhiladelphia, PA$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. Across every elementary classroom, Mastery teachers are committed to closing the literacy gap by providing students with access to rigorous, culturally relevant texts and grade-level learning.
Elementary Math Teacher - 3rd-5th Grade - 2026/2027 School Year Mastery Charter SchoolsElementary Math Teacher - 3rd-5th Grade - 2026/2027 School YearCamden, NJ$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. From the moment they enter our buildings, young mathematicians at Mastery engage with the cutting edge, open-source Eureka Math Curriculum to develop the skills and understanding necessary to have strong mathematical fluency.