NewPrincipal Radio Frequency Engineer (EWS111) Research InnovationsPrincipal Radio Frequency Engineer (EWS111)Aberdeen Proving Ground, MDYou will support and sustain deployed operational systems, ensuring performance, reliability, and mission effectiveness in real-world conditions, while contributing to systems that discover, analyze, and exploit signals across full-spectrum operations—delivering precise, actionable intelligence when it matters most. #LI-TC1 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
NewPrincipal Electrical Engineer - Power & Utilities Burns Engineering, Inc.Principal Electrical Engineer - Power & UtilitiesPhiladelphia, PAInformal task supervision of CAD Operators, Designers, Junior Associates, Engineers, Engineer IIs, Senior Engineers, and Principal Engineers at the direction of the Project Manager. The incumbent performs technical oversight of identified engineering projects within a specific specialization or market sector with high levels of complexity.
NewPrincipal Wastewater Engineer T&M AssociatesPrincipal Wastewater EngineerKing of Prussia, PA$105,000–$135,000 / yearAssist in construction-related activities including reviewing shop drawings and submittals, responding to RFIs (Requests for Information), preparing RFPs (Requests for Proposals), tracking project progress, reviewing contractor pay applications, and advising the owner on discrepancies and changes. Design layouts and specifications for treatment system improvements, including equipment, pumps, piping, tanks, chemical feed systems, and process monitoring and control systems in collaboration with technical experts and other design disciplines.
NewPrincipal Engineer - Water Process, Treatment and Distribution T&M AssociatesPrincipal Engineer - Water Process, Treatment and DistributionPhiladelphia, PA$105,000–$135,000 / yearThe actual salary offered may vary within this range, depending on a variety of factors including the candidate’s experience, educational qualifications, specific skills and knowledge, as well as internal pay equity and geographic location. This individual will be a key leader in planning and managing projects for our drinking water and wastewater clients while also mentoring junior staff and supporting business development efforts.
Elementary Science Teacher - 3rd-5th Grade - 2026/2027 School Year Mastery Charter SchoolsElementary Science 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. 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.
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.
Bilingual Social Worker - 2026/2027 School Year Mastery Charter SchoolsBilingual Social Worker - 2026/2027 School YearCamden, NJ$60,900–$78,500 / yearFull timeThe Opportunity: The Social Worker is directly responsible for improving the academic performance and behavioral functioning of the school’s at-risk students through counseling, home visits, direct intervention, and teacher consultation. About Mastery: Founded in 2001, Mastery Schools is a public charter network of 23 K-12 schools in Philadelphia and Camden, serving more than 14,000 students.
Assistant Principal ElwynAssistant PrincipalElwyn, Pennsylvania$92,220–$110,000 / yearFull timeAssists in preparation and tracking of the school budget by reporting known and estimated program expenses to the Business office to ensure fiscal responsibility and financial availability of funds Serves as principal in the absence of the principal by engaging in the day-to-day duties of the school principal during the absence to ensure continuity of supervision for the school Supervises progress monitoring of students by reviewing progress reports, collaborating with staff as needed in the creation of reports, and coaching staff on best practices in progress monitoring to provide clear and consistent evidence of student progress. Assists the Transportation Coordinator in oversight of the safe, timely, and appropriate transportation of all students to and from school by assigning staff to participate in student drop off and pick up times which includes safely directing and escorting children to and from the building, greeting bus drivers and students, checking in with students to gauge mood, illness, and or attend to their physical needs, direct observation and participation as required.
NewAssistant Principal of Culture and Climate, Grades 9-12 Odyssey Charter SchoolAssistant Principal of Culture and Climate, Grades 9-12Wilmington, DEOur school features a growing dual immersion program, an innovative Green Initiative, a community food program, and strong academic outcomes.\r\nOdyssey is united in its mission to prepare lifelong learners who are culturally aware, global citizens who utilize critical thinking and problem-solving skills grounded in the classical teachings of Greek education and language. Superior grasp of effective instructional and behavioral methods and strategies for educating urban youth including but not limited to right brained restorative practices (trauma informed practices), culturally responsive teaching, Social Emotional Learning, grading for equity and coaching for equity.
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 / yearPhysical 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.
Assistant Principal of Operations - 2026/2027 School Year Mastery Charter SchoolsAssistant Principal of Operations - 2026/2027 School YearPhiladelphia, PA$108,200–$125,350 / yearUpdate and adjust schedules as needed to accommodate changes in enrollment, staffing, and academic programs; Maintain accurate and up-to-date records of student schedules, teacher assignments and coverage needs. About Mastery: Founded in 2001, Mastery Schools is a public charter network of 23 K-12 schools in Philadelphia and Camden, serving more than 14,000 students.
NewPrincipal William Penn School DistrictPrincipalPhiladelphia, PAThe statements contained herein reflect general details as necessary to describe the principal functions of this job, the scope of responsibility, and the level of knowledge and skills typically required, but should not be considered an all-inclusive listing of work requirements, skills, or duties so classified. We seek school leaders who are committed to aligning their school's resources, systems, and people to support their students' academic and socio-emotional growth.
Assistant Principal Of Specialized Services - 2026/2027 School Year (Lenfest Campus-Center City) Mastery SchoolsAssistant Principal Of Specialized Services - 2026/2027 School Year (Lenfest Campus-Center City)Philadelphia, PA$108,200–$125,350 / yearPhysical 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.
Assistant Principal Of Operations - 2026/2027 School Year Mastery SchoolsAssistant Principal Of Operations - 2026/2027 School YearPhiladelphia, PA$108,200–$125,350 / yearUpdate and adjust schedules as needed to accommodate changes in enrollment, staffing, and academic programs; Maintain accurate and up-to-date records of student schedules, teacher assignments and coverage needs. Administrative Assistant Management: Supervise school administrative assistants, ensuring high level of organization, customer service, and support for school teams, primarily school operations.
School Principal ElwynSchool PrincipalElwyn, Pennsylvania$125,000–$155,000 / yearFull timeOversees and complies with all Pennsylvania Department of Education (PDE) regulatory requirements associated with education services, programs, and paperwork, including but not limited to Chapter 15 of the Pennsylvania Code (Protected Handicapped Students), regulations regarding Private Academic Schools, and regulations associated with the provision of special education services to maintain the highest quality of service in the provision of special education. Provides regular communication to parents concerning school activities, instructional programming, special education law, and due process concerns by sending a monthly parent newsletter, participating in student/parent events, and leading parent-school association meetings to ensure students and families are informed and engaged stakeholders of the education community.
Founding Principal - Autism Gemma ServicesFounding Principal - AutismPlymouth Meeting, PennsylvaniaThe Founding Principal will work closely with the Martin Luther School leadership team to develop the program, hire and mentor staff, and build a culture where educators, clinicians, and families collaborate in support of each child’s growth. Rather than focusing only on compliance or behavior management, the program will support students in building the cognitive, social, and emotional capacities that lead to long-term independence and meaningful participation in the world.
Assistant Vice President, Principal Gift & Campaign Communications Temple UniversityAssistant Vice President, Principal Gift & Campaign CommunicationsPhiladelphia, Pennsylvania$140,000–$160,000Reporting to the Associate Vice President for Campaign Operations, the Assistant Vice President (AVP), Principal Gift and Campaign Communications provides strategic leadership and execution for the development of high-impact, persuasive communications in support of Temple University's most significant fundraising priorities. The AVP partners closely with Institutional Advancement (IA) leadership, academic leaders, and internal stakeholders to ensure that principal gift proposals, campaign cases, and related communications are compelling, strategically aligned, and executed with discipline and purpose.
Principal Info Sec Engineer Temple University Health SystemPrincipal Info Sec EngineerPhiladelphia, PAGeneral Experience Previous experience with several technical security disciplines such as SIEM, IDS, EDR, network security, vulnerability management or security hardening Required. The Principal Engineer is a senior-level position responsible for leading and overseeing the design, implementation, and management of an organization's information security program.
Principal (2026) McCloskey PartnersPrincipal (2026)Philadelphia, PennsylvaniaThe Principal is responsible for all aspects of the academic program, faculty leadership, and student experience and collaborates closely with the President and the Sisters of the Holy Family of Nazareth to advance the mission, strategic priorities, and long-term vitality of Nazareth Academy High School. Nazareth Academy High School (NAHS), a Roman Catholic, college preparatory school for young women founded by the Sisters of the Holy Family of Nazareth (CSFN) in Philadelphia, PA, seeks a mission-driven, visionary educational leader to serve as Principal.
Principal Data Engineer Medical GuardianPrincipal Data EngineerPhiladelphia, PAThe Principal Data Engineer will own the design, delivery, and maturity of production-grade data pipelines and data platforms, with a primary emphasis on real-time streaming, IoT telemetry, Databricks, Azure, data services for APIs and microservices, and reliable data products for downstream consumption. The ideal candidate should be comfortable spending significant time working directly with Databricks, Spark, SQL, Python/PySpark, Azure services, streaming architectures, data quality frameworks, pipeline automation, CI/CD, and production troubleshooting.