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.
NewPrincipal ML Platform Engineer - Remote Appian CorporationPrincipal ML Platform Engineer - RemotePhiladelphia, PARemote$175,000–$325,000 / yearGrowth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Equipped with cutting-edge AI tooling, you will drive the design and delivery of high-complexity engineering solutions, set the technical bar for the team, and lead other engineers towards solutions of real complexity to ensure flawless Enterprise-Grade Orchestration.
Senior Principal Statistician Jazz PharmaceuticalsSenior Principal StatisticianPhiladelphia, PARemote$156,000–$234,000 / yearKnowledge of clinical trial design and analysis, including experience with complex statistical methods and models, including statistical principles and methodology and principles of statistical inference, including hypothesis testing and deriving estimates, parametric and non-parametric models and techniques, principles of sample size calculations for comparing two arms, principles of design of experiments in introducing conditions designed to affect an outcome of interest, and phase II-IV clinical trial data analysis. The successful candidate may also be eligible for a discretionary annual cash bonus or incentive compensation (depending on the role), in accordance with the terms of the Company's Global Cash Bonus Plan or Incentive Compensation Plan, as well as discretionary equity grants in accordance with Jazz's Long Term Equity Incentive Plan.
Sr. Principal Statistician, Biostatistics Jazz PharmaceuticalsSr. Principal Statistician, BiostatisticsPhiladelphia, PARemote$156,000–$234,000 / yearKnowledge of clinical trial design and analysis, including experience with complex statistical methods and models, including statistical principles and methodology and principles of statistical inference, including hypothesis testing and deriving estimates, parametric and non-parametric models and techniques, principles of sample size calculations for comparing two arms, principles of design of experiments in introducing conditions designed to affect an outcome of interest, and phase II-IV clinical trial data analysis. The successful candidate may also be eligible for a discretionary annual cash bonus or incentive compensation (depending on the role), in accordance with the terms of the Company's Global Cash Bonus Plan or Incentive Compensation Plan, as well as discretionary equity grants in accordance with Jazz's Long Term Equity Incentive Plan.
Principal Regulatory Affairs Project Manager, Medical Devices West Pharmaceutical ServicesPrincipal Regulatory Affairs Project Manager, Medical DevicesExton, PAWest solved the problem of supplying penicillin in mass quantities to the US Government during World War 2. Through our work to deliver thousands of life-saving and life-enhancing injectable medicines to millions of patients daily, West’s indelible mark on the healthcare industry has just begun. Ability to assess, plan, schedule and manage multiple long-term and short-term projects, tasks, responsibilities and/or priorities in a concurrent fashion with several parallel deliverables and execute deliverables to time-line commitments.
Principal, Regulatory Affairs Intelligence West Pharmaceutical ServicesPrincipal, Regulatory Affairs IntelligenceExton, PAWest solved the problem of supplying penicillin in mass quantities to the US Government during World War 2. Through our work to deliver thousands of life-saving and life-enhancing injectable medicines to millions of patients daily, West’s indelible mark on the healthcare industry has just begun. This role requires deep expertise in global regulatory frameworks, with a specialized focus on containment systems (i.e., primary packaging), pharmaceutical manufacturing and handling, and regulatory requirements applicable to drugs and drug constituents of combination products.
NewManaging Principal / Senior Director, Data Analytics Consulting EPAM SystemsManaging Principal / Senior Director, Data Analytics ConsultingPhiladelphia, PAThis is a high-impact, client-facing role designed for an ambitious professional with deep technical expertise in AI & Data, proven consulting acumen, and a track record of driving transformational outcomes for enterprise clients. • Serve as a trusted strategic advisor to senior executives (VP, SVP, C-suite) on AI enablement, data-driven transformation, and operational efficiency for Fortune 500/50 clients.
Principal Software Engineer, SIEM (Ruby/Rails) HuntressPrincipal Software Engineer, SIEM (Ruby/Rails)Philadelphia, PARemoteAs a Principal Software Engineer at Huntress, you will be responsible for leading a feature delivery team in the design, development, and high-quality release of software features for the Huntress SIEM Platform that provides for automated detection and human-powered threat hunting. • Collaborate closely with the team engineering manager, product manager, security research, platform, and architect on strategic initiatives and technical designs.
Principal Software Engineer - Search Algorithms ElasticPrincipal Software Engineer - Search AlgorithmsPhiladelphia, PAThis is a principal software engineering role that focuses on enhancing the vector similarity search functionality within Elasticsearch, covering the design and implementation of new vector search features, enhancements to existing vector search functionality, and resolving bugs. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
GenAI Security - Principal Security Research Engineer ElasticGenAI Security - Principal Security Research EngineerPhiladelphia, PABy taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. As a Principal Security Research Engineer on the Threat Research and Detection Engineering (TRaDE) team, youll play a key role in shaping the detection capabilities of Elastic Security.
Principal Software Engineer - Security ElasticPrincipal Software Engineer - SecurityPhiladelphia, PABy taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. • You have a solid comprehension of distributed systems security, including node-to-node mutual trust, zero-trust transport, partition tolerance, and cluster state propagation.
Principal Software Engineer I - Serverless - Platform Control Plane ElasticPrincipal Software Engineer I - Serverless - Platform Control PlanePhiladelphia, PA8+ years building software, including setting technical direction for complex distributed systems running production at scale (Staff or Principal level, or equivalent scope). By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
Principal Software Engineer - Vector Search ElasticPrincipal Software Engineer - Vector SearchPhiladelphia, PAThis is a principal software engineering role that focuses on enhancing the vector similarity search functionality within Elasticsearch, covering the design and implementation of new vector search features, enhancements to existing vector search functionality, and resolving bugs. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
Principal Java Engineer - Distributed Systems, Serverless ElasticPrincipal Java Engineer - Distributed Systems, ServerlessPhiladelphia, PALeveraging your deep distributed systems expertise to design, build, and operate core pieces of our next-generation Serverless Elasticsearch offering, directly impacting the experience of customers worldwide. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
Senior Principal Product Manager - Remote CircleSenior Principal Product Manager - RemotePhiladelphia, PARemote$230,000–$295,000 / yearEnable user adoption of newly incubated consumer products: As Circle enables Arc Hub, Wallets with partners, and Bridge UI, you’ll drive awareness and adoption of specific first party and partners’ consumer products by developing awareness and constructing viral loops for adoption. Shape the Developer Experience and Ecosystem Narrative: Collaborate with Developer Relations, Product Marketing, and BD to accelerate Arc Network and Circle’s developer stack as the trusted infrastructure for building in onchain finance.
Principal Software Engineer - Performance Tuning ElasticPrincipal Software Engineer - Performance TuningPhiladelphia, PABy taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. This includes deep experience with benchmarking tools (e.g., flamegraphs, JMH, Rally), identifying performance regressions, and implementing algorithmic or hardware-aware optimizations.
Principal Software Engineer - Search Infra ElasticPrincipal Software Engineer - Search InfraPhiladelphia, PAThis role provides technical vision and direction for Elasticsearch’s core search infrastructure, including indexing, retrieval, and relevance, and requires deep expertise in search internals and cross-team collaboration. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
Principal Software Engineer - Storage Engine ElasticPrincipal Software Engineer - Storage EnginePhiladelphia, PARemoteThis globally distributed, fully remote team of experienced engineers develops core storage and query technologies for observability workloads, including improving storage efficiency, advancing ES|QL query processing and performance, and optimizing data layouts for object storage. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
Principal Product Manager, TradFi - Remote CirclePrincipal Product Manager, TradFi - RemotePhiladelphia, PARemote$200,000–$260,000 / yearIn close partnership with executive stakeholders, engineering leadership, compliance, treasury, and external partners, you will define vision, drive alignment, and make high-impact tradeoffs to ensure Circle’s digital asset infrastructure supports increasing volumes, new markets, and future product expansion. As a Principal Product Manager on Circle’s Digital Assets team, you will own the long-term product strategy for Circle’s digital asset and capital markets platform, shaping how liquidity, lending, and capital access are delivered globally across Circle’s stablecoin ecosystem.
Principal Medical Writer CSLPrincipal Medical WriterKing of Prussia, PAHe or she is also responsible for the messaging strategy across a program of work, for the provision of strategic input into the development of clinical development plans and submission plans, and for analyzing proposed plans, programs, individual studies and related documents for their ability to deliver the information required by the target audience (ie, regulatory authority) in a compelling fashion with accuracy and consistency. The incumbent is accountable for the efficient preparation of high quality, strategically aligned medical writing deliverables that support the clinical development, clinical safety and regulatory requirements of a clinical program.