NewSenior Principal Scientist, Biologics Discovery Process Research Integrator - Protein Expression And Scale-Up Johnson & JohnsonSenior Principal Scientist, Biologics Discovery Process Research Integrator - Protein Expression And Scale-UpMalvern, PARequired Skills: Preferred Skills: Analytical Reasoning, Biochemistry, Biotechnology, Chemistry, Manufacturing, and Control (CMC), Clinical Research and Regulations, Clinical Trial Designs, Collaboration, Data Synthesis, Drug Discovery Development, Molecular Diagnostics, Pharmacovigilance, Process Improvements, Productivity Planning, Program Management, Scientific Research, Tactical Planning, Technical Credibility. The role will provide integrative technical leadership grounded in mammalian expression, cell line development, and scale-up expertise, ensuring that expression feasibility, manufacturability, productivity, product quality, and scalable production considerations are incorporated into molecule selection, material supply planning, and program strategy.
NewPrincipal Scientist, Early Development Adsi Johnson & JohnsonPrincipal Scientist, Early Development AdsiMalvern, PARequired Skills: Preferred Skills: Analytical Reasoning, Biochemistry, Biotechnology, Chemistry, Manufacturing, and Control (CMC), Clinical Research and Regulations, Clinical Trial Designs, Coaching, Critical Thinking, Drug Discovery Development, Emerging Technologies, Molecular Diagnostics, Organizing, Pharmacovigilance, Presentation Design, Process Improvements, Productivity Planning, Scientific Research. The Principal Scientist, Early Development Analytical Development Scientific Integrator (ADSI) will be responsible for the following: Provide strategic and technical leadership in analytical development and lead a cross-functional scientific team consisting of members from each of the AD sub-functions.
NewEngineer I/II/III Principal - SCADA PPL Services CorporationEngineer I/II/III Principal - SCADAAllentown, PennsylvaniaEngineer III: - ABET Accredited bachelor’s degree in engineering or engineering technology plus 5 years of engineering experience, or a master’s degree in engineering plus 3 years of engineering experience, or a PhD in Engineering plus 2 years of engineering experience. - ABET Accredited bachelor’s degree in engineering or engineering technology plus 10 years of engineering experience, or a master’s degree in engineering plus 8 years of engineering experience, or a PhD in Engineering plus 7 years of engineering experience.
NewPrincipal Engineer - Water Process, Treatment and Distribution T&M AssociatesPrincipal Engineer - Water Process, Treatment and DistributionKing of Prussia, 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.
Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S} ARKA Group, L.P.Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S}King Of Prussia, PennsylvaniaExperience leading an interdisciplinary team of researchers and software developers and working with a program manager to define project scope and schedule to ensure we meet project milestones as defined by our customers. Situated less than an hour outside of Philadelphia and hosting the largest mall on the east coast, King of Prussia offers the urban feel sought in the city, while also giving opportunities to experience the beauty and history found only in Pennsylvania.
Principal Technologist (Req#1227) ePlus TechnologyPrincipal Technologist (Req#1227)King Of Prussia, PA$160,000–$210,000 / yearThe position requires a strong understanding of how technology drives business outcomes and enables the development of strategies aligned to customer objectives The Principal Technologist will be involved in the entire sales cycle, including leading meetings to discuss key business and technology issues, assess clients' needs and identify the ePlus targeted product and service solutions that best meet those needs. 8 or more years of experience in designing or implementing complex networks, systems/storage solutions and ability to articulate deep technical knowledge of infrastructure services, data center design and cloud integration for enterprise customers.
High School Principal (2025-2026) Achievers Early College Prep Charter SchoolHigh School Principal (2025-2026)Trenton, NJABOUT ACHIEVERS: Achievers Early College Prep Charter School (AECP) is New Jersey's first public charter school for students in middle school and high school that provides a unique opportunity for students to pursue one of four STEAM pathways (Health Sciences, Digital Media, Audio Engineering and Cisco Computer Networking). Our goal is for the High School Principal to be an inspiring leader that demonstrates excellence in all aspects of the work from being a role-model for students to taking on the big and small challenges that will make the largest impact on the school community.
Engineer I/II/II/Principal PPL Electric Utilities Corp.Engineer I/II/II/PrincipalAllentown, PennsylvaniaEngineer III: - ABET Accredited bachelor’s degree in engineering or engineering technology plus 5 years of engineering experience, or a master’s degree in engineering plus 3 years of engineering experience, or a PhD in Engineering plus 2 years of engineering experience. - ABET Accredited bachelor’s degree in engineering or engineering technology plus 10 years of engineering experience, or a master’s degree in engineering plus 8 years of engineering experience, or a PhD in Engineering plus 7 years of engineering experience.
Upstream Principal Scientist, Vector Biology Legend Biotech CorpUpstream Principal Scientist, Vector BiologyPhiladelphia, PA$146,410–$192,164 / yearThe Principal Scientist will bring a rare combination of molecular biology depth and bioprocess engineering breadth, functioning as a key technical authority who bridges construct-level design decisions with upstream process outcomes, while closely interfacing with Downstream, Analytical, and Technical Development partners to ensure end-to-end process coherence and readiness for technology transfer. Exemplary oral and written communication skills, with the ability to translate complex early process development findings into compelling scientific narratives for diverse audiences including R&D leadership, CMC colleagues, and cross-functional program teams while operating with equal effectiveness as a self-directed scientific contributor and an engaged collaborative partner.
Engineer I/II/III/Principal PPL Electric Utilities Corp.Engineer I/II/III/PrincipalAllentown, PennsylvaniaEngineer III: - ABET Accredited bachelor’s degree in engineering or engineering technology plus 5 years of engineering experience, or a master’s degree in engineering plus 3 years of engineering experience, or a PhD in Engineering plus 2 years of engineering experience. - ABET Accredited bachelor’s degree in engineering or engineering technology plus 10 years of engineering experience, or a master’s degree in engineering plus 8 years of engineering experience, or a PhD in Engineering plus 7 years of engineering experience.
Marketing Principal Nexant, Inc.Marketing PrincipalPhiladelphia, PAAs a Marketing Principal, you will oversee all Eastern marketing accounts, serve as a trusted partner to clients and internal stakeholders, and lead an Account Management team responsible for day-to-day execution, including online and offline marketing, events, lead generation, email marketing and paid and social media. Director, Marketing Client Services and plays a critical part in advancing Resource Innovations' internal agency model-bringing agency-caliber strategic thinking, creative excellence, and disciplined execution to large-scale energy efficiency and energy transformation programs.
Principal Network Operations Engineer / IT Operations Specialist (US) TD BankPrincipal Network Operations Engineer / IT Operations Specialist (US)Mount Laurel, New JerseyTotal Rewards at TD includes base salary and variable compensation/incentive awards (e.g., eligibility for cash and/or equity incentive awards, generally through participation in an incentive plan) and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off (including Vacation PTO, Flex PTO, and Holiday PTO), banking benefits and discounts, career development, and reward and recognition. You will serve as a senior technical escalation point, providing hands-on expertise in complex troubleshooting, mentoring team members, and collaborating across engineering, architecture, and application teams to prevent recurrence of incidents.
Education And Science Principal HDR, Inc.Education And Science PrincipalPennington, NJOur eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day.
Principal Software Engineer (TS/SCI) {S} ARKA Group, L.P.Principal Software Engineer (TS/SCI) {S}King Of Prussia, PennsylvaniaBeyond direct design, the architect is expected to drive technical consensus through trade studies, proactively identify and mitigate technical risks, act as the primary technical interface to leadership, government customers, and sub-contractor CA/CE’s, and actively participate in the mentorship and growth of the distributed engineering team, ultimately joining our team to help shape the development and delivery of custom solutions and providing significant opportunities for personal skill development at ARKA. ARKA is seeking an accomplished Software Architect/Principal Software Engineer who is deeply customer mission-focused and passionate about providing strategic technical leadership in the software architecture and design of complex government systems, requiring proven experience leading programs involving 30+ developers in a distributed environment.
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.
Principal Account Executive iPipelinePrincipal Account ExecutiveWayne, PennsylvaniaFull timeWith one of the industry’s largest data sets, we help advisors/advisers and agents to transform paper and manual operations into a secure, seamless digital experience – from proposal to commission– so they can help better secure the financial futures of their clients. Overview: As a global market leader, iPipeline combines technology, innovation, and expertise to deliver ground-breaking, award-winning software solutions that transform the life insurance, financial services, and protection industries.
Upstream Principal Scientist, Vector Biology Legend Biotech USUpstream Principal Scientist, Vector BiologyPhiladelphia, PAThe Principal Scientist will bring a rare combination of molecular biology depth and bioprocess engineering breadth, functioning as a key technical authority who bridges construct-level design decisions with upstream process outcomes, while closely interfacing with Downstream, Analytical, and Technical Development partners to ensure end-to-end process coherence and readiness for technology transfer. Working knowledge of downstream processing operations —encompassing harvest and clarification strategies, affinity and ion-exchange chromatography, and tangential flow filtration — with the scientific acuity to incorporate purification process requirements and vector quality attribute targets into upstream process design; experience in integrated upstream-downstream process development is preferred.
Senior Principal Scientist, Bioanalytical Outsourcing 6084-Janssen Research & Development Legal EntitySenior Principal Scientist, Bioanalytical OutsourcingSpring House, PennsylvaniaClinical Pharmacology, Clinical Trials Operations, Consulting, Drug Discovery Development, Industry Analysis, Pharmacodynamics, Pharmacokinetics, Pharmacology, Pharmacometrics, Program Management, Report Writing, Researching, Research Proposals, Scientific Research, Tactical Planning, Technical Credibility The candidate will have a successful track record of problem solving, good organizational habits, excellent interpersonal skills, the ability to work under timelines, and the ability to collaborate within multidisciplinary teams is required.
High School Principal (2025-2026) Achievers Early College PrepHigh School Principal (2025-2026)Trenton, NJAchievers Early College Prep Charter School (AECP) is New Jersey’s first public charter school for students in middle school and high school that provides a unique opportunity for students to pursue one of four STEAM pathways (Health Sciences, Digital Media, Audio Engineering and Cisco Computer Networking). Our goal is for the High School Principal to be an inspiring leader that demonstrates excellence in all aspects of the work from being a role-model for students to taking on the big and small challenges that will make the largest impact on the school community.
Principal Scientist, Product Characterization – Advanced Therapies 6084-Janssen Research & Development Legal EntityPrincipal Scientist, Product Characterization – Advanced TherapiesMalvern, PennsylvaniaAnalytical Reasoning, Biochemistry, Biotechnology, Chemistry, Manufacturing, and Control (CMC), Clinical Research and Regulations, Clinical Trial Designs, Coaching, Critical Thinking, Drug Discovery Development, Emerging Technologies, Molecular Diagnostics, Organizing, Pharmacovigilance, Presentation Design, Process Improvements, Productivity Planning, Scientific Research D. or equivalent advanced degree in Biochemistry, Immunology, Virology, Biological Science, or a related field with 3+ years of proven experience in biopharmaceutical development OR a Bachelor’s or Master’s degree with 6-8 years of relevant experience is required.