9,860 Results for

Principal Jobs in Winchester, MA

Jobs

Specialized Instructional Assistant SOAR - 2026-2027 Sharon Public Schools

Sharon, MA

Provide support services in all environments of the school setting under the guidance of the lead special education teacher, related service providers, academic and behavioral interventionists, and the building principal. Assist with specific student supports, either as individual or small groups in the implementation of educational and/or IEP goals and benchmarks.

30+ days ago

182-Day Administrative Assistant Abington Public Schools

Abington, MA

The position serves as a primary point of contact for students, families, staff, and visitors and provides administrative support to the Assistant Principal and school administration.

6 days ago

Principal Architect - QuantumBlack, AI by McKinsey McKinsey & Co Inc

Boston, MA

You will design and build scalable, production-grade solutions, spanning data pipelines, machine learning models, and modern application layers, seamlessly integrating them into client ecosystems to address complex business challenges and drive measurable impact. By combining your technical expertise, consulting acumen, and ability to lead high-impact engagements, you will help clients solve their most pressing challenges and contribute to McKinsey's reputation for delivering innovative, technology-driven solutions.

30+ days ago

Sr Principal / Architect Engineer Software - Backend, Alerting (Chronosphere) Palo Alto Networks Inc

Boston, MA

Design, implement, and deliver complex product features that address key customer pain points, collaborating closely with cross-functional teams-including product management, design, and engineering-to ensure alignment and impact throughout the development lifecycle. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below.

30+ days ago

Principal Software Engineer - Frontend, Developer Experience Palo Alto Networks Inc

Boston, MA

You will collaborate directly with Product, Design, and engineering peers to build interfaces that help developers navigate complex environments with petabytes of telemetry data, turning that data into actionable, easy-to-understand visualizations and workflows. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below.

30+ days ago

Principal Embedded Firmware Engineer RE Build Manufacturing, LLC

Wilmington, MA

$165,320.12–$247,980.18 / year

Experience developing device drivers and applications in embedded Linux runtimes (Raspbian, Yocto, Ubuntu, or others) to enable communications between microcontrollers and external hardware peripherals Implementation of a variety of runtime environments (FreeRTOS, Zephyr, others), as well as bare-metal programming. Pioneer Best Practices: Champion and implement cutting-edge best practices across the firmware development lifecycle, including advanced source code management, robust version control, streamlined DevOps, and comprehensive automated testing strategies.

28 days ago

Principal Architect, Enterprise Systems Acadian Asset Management LLC

Boston, MA

$190,000–$220,000 / year

Position Overview: You''ll partner with the Performance Attribution Group (PAG) and Investment Operations to solve complex business problems and shape the technology that supports one of the firm''s core investment capabilities. We''re looking for an experienced Business Systems Architect who combines strong technology and analytical skills with a deep understanding of Performance & Attribution, Securities Operations, or related investment operations disciplines.

30 days ago

Principal Mechanical Engineer RE Build Manufacturing, LLC

Merrimack, NH

We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products from first concept to full-scale production in critical verticals including aerospace and defense, electrification, medical, energy and environment, and robotics and automation. Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

14 days ago

Principal Cloud Engineer TetraScience

Boston, MA

Deep, hands-on AWS experience: Serverless Architecture, EKS/ECS, VPC/networking, IAM, KMS, CloudWatch, Lambda, S3, EC2, Kinesis, Athena, Glue, CloudTrail, CostExplorer. If your background is primarily in manual server provisioning, ticketing-system-driven change management, desktop support, or on-prem datacenter administration, if you always deploy someone else's code via IaC, this is not the right fit.

30+ days ago

Staff/Principal Full Stack Blockchain Engineer Groma

Boston, MA

Remote

$150,000–$250,000 / year

As the primary owner for Groma's onchain tech stack, we're looking for someone that has spent enough time in the space to have developed the wisdom to see around corners and guide the team in the right direction, paired with significant hands-on experience building, deploying, and maintaining smart contracts in a production environment on EVM networks (Ethereum and Base) and connecting them to backend and frontend interfaces. 1 floating holiday: We recognize that there are lots of holidays that are meaningful to different people in different ways and we want to celebrate that by enabling team members to have the time/space to commemorate those days however is appropriate, and using it as an opportunity - if they’d like to - to share the meaning of that day with the broader team.

30+ days ago

Principal Electrical Engineer Advanced Energy Industries Inc

Wilmington, MA

$165,000–$215,000 / year

This is an exciting opportunity for an experienced engineer who enjoys solving complex technical challenges, leading high-impact projects, influencing product innovation, and working closely with customers to develop solutions that make a real difference. Leveraging your technical expertise and systems-level thinking, youll identify design challenges, recommend innovative solutions, and evaluate how engineering decisions impact product performance, manufacturability, reliability, and the overall customer experience.

30+ days ago

Principal Mechanical Engineer Boston Dynamics Inc

Waltham, MA

$135,000–$180,000 / year

You will be responsible for the technical leadership of specific actuator product lines, ensuring designs meet all performance and reliability targets while fostering the professional growth of a team of design engineers through the rigor of production release. What You Bring: Production Rigor: A track record of bringing complex electromechanical assemblies from architecture through production release in high-rigor environments (e.g., automotive, aerospace, or medical devices).

30+ days ago

Principal Scientist / Associate Director, Soft Materials Experimentation Lila Sciences

Cambridge, Massachusetts

The team turns soft-matter problems into closed-loop autonomous workflows: defining what gets measured, how it gets measured at throughput, and how the resulting data supports active learning and inverse design. Full-time U.S. employees receive a comprehensive benefits program including medical, dental, and vision coverage; employer-paid life and disability insurance; flexible time off with generous company wide holidays; paid parental leave; an educational assistance program; commuter benefits, including bike share memberships for office based employees; and a company subsidized lunch program.

19 days ago

Aide/ESP - Peaslee Elementary School - Education Support Professional The Public Schools of Northborough And Southborough

Northborough, MA

Participate in a weekly meeting with the student support services team that includes data review, academic, social, and behavioral programming updates, and sharing of concerns. Skills, Knowledge and Ability: Skilled in implementing instructional and behavioral methods and procedures appropriate for the situation when learning or teaching new things.

30+ days ago

CASTLE Aide/ESP - Neary Elementary School - Education Support Professional The Public Schools of Northborough And Southborough

Northborough, MA

30+ days ago

Athletics - High School Soccer JV Coach (Fall Sports) (SY26-27) Chelsea Public Schools

Chelsea, MA

Assists the Athletic Director in planning and scheduling a regular program of practice in-season and adhering to the schedule set by the Athletic Director. Title VII & Title VIII of the Public Health Services Act, Title IX of the Education Amendments of 1972, as well as other relevant federal and state laws).

30+ days ago

Principal Consultant | Finacle Treasury | Confirmation and Payment Systems (e.g. SWIFT, Target2, SEPA) Ipolarity LLC

Boston, MA

Quick Apply

We are looking for an experienced technology professional with strong expertise in SWIFT Payments, Python, UnixLinux, and Artificial Intelligence, with exposure to Agentic AI and Generative AI. The candidate will work on paymentprocessing solutions and contribute to automation and AIled modernization initiatives within the bankingpayments landscape.

6 days ago

Principal, Fund Controller Partners Capital Investment Group LLP

Boston, MA

$120,000–$170,000 / year
Part time

Strategic Partnership and Other: You will serve as a trusted advisor to global client CIOs, fund PMs, and research teams, ensuring fund finance considerations are integrated into broader strategic decisions. The Firm designs bespoke investment policies reflecting each client’s unique circumstances and implements investment solutions that aim to deliver strong returns with resilience across market cycles.

30+ days ago

Athletics - High School Head Coach (Fall Sports) (SY26-27) Chelsea Public Schools

Chelsea, MA

30+ days ago

Athletics - High School Head Coach (Winter Sports) (SY26-27) Chelsea Public Schools

Chelsea, MA

30+ days ago

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Principal Jobs in Winchester, MA

Specialized Instructional Assistant SOAR - 2026-2027 Sharon Public Schools

182-Day Administrative Assistant Abington Public Schools

Principal Architect - QuantumBlack, AI by McKinsey McKinsey & Co Inc

Sr Principal / Architect Engineer Software - Backend, Alerting (Chronosphere) Palo Alto Networks Inc

Principal Software Engineer - Frontend, Developer Experience Palo Alto Networks Inc

Principal Embedded Firmware Engineer RE Build Manufacturing, LLC

Principal Architect, Enterprise Systems Acadian Asset Management LLC

Principal Mechanical Engineer RE Build Manufacturing, LLC

Principal Cloud Engineer TetraScience

Staff/Principal Full Stack Blockchain Engineer Groma

Principal Electrical Engineer Advanced Energy Industries Inc

Principal Mechanical Engineer Boston Dynamics Inc

Principal Scientist / Associate Director, Soft Materials Experimentation Lila Sciences

Aide/ESP - Peaslee Elementary School - Education Support Professional The Public Schools of Northborough And Southborough

CASTLE Aide/ESP - Neary Elementary School - Education Support Professional The Public Schools of Northborough And Southborough

Athletics - High School Soccer JV Coach (Fall Sports) (SY26-27) Chelsea Public Schools

Principal Consultant | Finacle Treasury | Confirmation and Payment Systems (e.g. SWIFT, Target2, SEPA) Ipolarity LLC

Principal, Fund Controller Partners Capital Investment Group LLP

Athletics - High School Head Coach (Fall Sports) (SY26-27) Chelsea Public Schools

Athletics - High School Head Coach (Winter Sports) (SY26-27) Chelsea Public Schools

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