243 Results for

Principal Jobs in Brookline, MA

Jobs

Weymouth, MA19 days ago

$120,000–$150,000 Per Year
Full-time
Employee

Write and analyze test plans, execute tests and evaluate test results to demonstrate the design meets specifications with high quality. Develop assembly processes and instructions using lean principles to safely reduce waste, increase efficiency, and improve product quality.

Quincy, MA11 days ago

$165,500–$234,700

Saab Inc., Autonomous and Undersea Systems division is seeking an innovative and experienced Principal Mechanical Engineer to guide others on technical teams in capturing, understanding, and implementing product design requirements for autonomous Unmanned Surface/Underwater Vehicles (aUSVs/aUUVs, AUVs) and Remotely Operated Vehicles (ROVs). Demonstrated performance and expertise in the elements of mechanical design, such as analysis and implementation of requirements, developing design concepts, evaluating designs, technical and design reviews.

New!

Boston, MAToday

$160,739–$200,924 Per Year

Minimum qualifications: Master’s degree in Operations Research, Data Science, Statistics, Applied Mathematics, Engineering, Computer Science or related field; 5 years in quantitative pricing/financial analysis. Demonstrated ability to frame complex problems, select appropriate research/analytical methods, implement solutions, and present findings effectively.

New!

Hopkinton, MAToday

Join us to do the best work of your career and make a profound social impact as a Software Principal Engineer on our Software Engineering Team in Hopkinton, MA.We are seeking a Principal Engineer to provide technical leadership across modern software delivery platforms, with a strong focus on DevOps CI/CD pipelines, end-to-end security scanning, and agentic AI systems. The ideal candidate combines deep systems expertise with a forward-looking mindset, driving automation, resilience, and secure-by-design practices while exploring how autonomous and agentic AI can enhance developer productivity and operational excellence.

Andover, MA11 days ago

Translate engineering design requirements into formal manufacturing process documentation including raw material definition, fixturing/tooling development, CNC programming, inspection planning, finishing requirements, and assembly instructions. Qualifications You Must Have: * Typically requires a Bachelor's Degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, Electrical Engineering, or Aerospace Engineering.

New!

Bedford, MA2 days ago

Command, Control, Communications, and Battle Management (C3BM) has been tasked with delivering an integrated Department of the Air Force (DAF) Battle Network providing resilient decision advantage and enabling the USAF, USSF, Joint, and Coalition Force to win against the pacing challenge. C3BM’s main efforts are Architecture and Systems Engineering (ASE), Operational Response Team (ORT), and multiple mission integration teams such as Air, Maritime and multiple acquisitions consisting of both the Advanced Battle Management System (ABMS) and Space.

Boston, MA9 days ago

Drive design and implementation of small-scale applications and proof of concepts to improve risk analysis, develop AI-enabled workflows, and enhance reporting systems and processes. Work closely with risk analysts and investment teams to build robust systems and tools that power risk infrastructure, analytics, and decision-ready reporting.

Boston, MA9 days ago

Lancaster, MA30+ days ago

Must assist in enforcing the school code of conduct, testing and assessment programs, preparation of student and class schedules, assist all custodial, cafeteria, and other support services, assist in all curriculum matters. Assist parents through prompt communication and support for the purpose of impacting and improving students' academic performance.

Boston, MA30+ days ago

Assists the administration in implementing all policies and rules governing student life and conduct, and for the classroom, develops reasonable rules of classroom behavior and procedure, and maintains order in the classroom in a fair and just manner. Employs a variety of instructional techniques and instructional media, consistent with the physical limitations of the location provided and the needs and capabilities of the individuals or student groups involved.

Boston, MA30+ days ago

General Description: Under the general supervision, serves as secretary to the principal or headmaster of a school; performs complex clerical work requiring exercise of independent judgment. Email: hiringprocess@bostonpublicschools.org.

Natick, Massachusetts30+ days ago

$200,000–$300,000 Per Year

Boston, MA30+ days ago

Full-time

ODAIA's SaaS platform transforms complex data into predictive, personalized insights, enabling commercial leaders to understand their customers, anticipate prescribing behaviors, and make the informed, strategic decisions that bring therapies to patients faster. A proven track record of building successful partnerships, advising commercial pharma executives, leading high-stakes conversations and influencing multi-million dollar commercial investment decisions through data-driven storytelling.

Andover, MA30+ days ago

$112,700–$187,800 Per Year

Team leader responsible for the safety and oversight of Technical Programs laboratory-based and at-scale work, including small-scale cleaning validation program requirements, mixing qualification, and solution chemical stability and expiry. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act.

Boston, MA30+ days ago

We focus all of our energy on discovering and solving customer and business problems, designing financially strong and defensible business models, activating growth engines, hiring world-class founding teams, and helping them thrive (and none of our energy on big-company b.s.). Led by co-founders who have both built unicorn real estate tech companies from scratch, we're a tight team of engineers, product managers, designers, and operators with decades of experience building products, teams, and businesses from startup to scale.

BURLINGTON, MA30+ days ago

Remote

We are seeking a Principal Consultant – Aviation Noise to join our team in a remote or hybrid position in the U.S. In this senior role, you will serve as a recognized technical expert in aviation noise, leading large and complex projects, supervisingand mentoringstaff, shaping practice strategy, and expanding HMMH’s presence in the aviation noise field. Our Aviation Environmental & Sustainability Group supports over 200 airports worldwide with noise and air quality studies, sustainability plans, mitigation strategies, environmental documentation, and regulatory compliance.

Lancaster, MA30+ days ago

The job of Principal - Elementary was estabished for the purpose/s of providing support to the instructional process with specific responsibility for directing overall site operations, services and staff at an elementary school; providing information and serving as a resource to others; enforcing established policies and regulatory requirements; coordinating school activities and addressing issues, situations and/or problems that arise on campus or with enrolled students. Minimum requirements: Master's degree, or higher in job related area, two years of administrative experience as well as five (5) years as a teacher preferred.

Andover, MA13 days ago

Translate engineering design requirements into formal manufacturing process documentation including raw material definition, fixturing/tooling development, CNC programming, inspection planning, finishing requirements, and assembly instructions. Typically requires a Bachelors Degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, Electrical Engineering, or Aerospace Engineering.

New!

Waltham, MA3 days ago

$120,000–$160,000 Per Year

Nova Biomedical is proud to be a global leader in osmolality testing and biotechnology and in vitro diagnostic (IVD) instrumentation, dedicated to advancing patient care and scientific discovery with a legacy that continues to shape the future of life sciences. With headquarters in Norwood and Waltham, Massachusetts, and a global team of nearly 2,000 employees, we’re building a collaborative, empowered culture grounded in shared values: Customer Centricity, Ingenuity, Ownership & Accountability, Collaboration, and Integrity.

New!

Waltham, MA3 days ago

$155,000–$190,000 Per Year

Nova Biomedical is proud to be a global leader in osmolality testing and biotechnology and in vitro diagnostic (IVD) instrumentation, dedicated to advancing patient care and scientific discovery with a legacy that continues to shape the future of life sciences. Lead system-level analysis and risk mitigation strategies related to battery thermal behavior and heat dissipation, including charging scenarios, environmental extremes, and long-term reliability to ensure patient safety and regulatory compliance.

Boston, MA25 days ago

$150,000–$180,000 Per Year

The client is an innovative connected‑fitness company that blends advanced hardware, immersive digital content, and intuitive software to deliver a premium at‑home training experience, while fully owning and leading the entire electrical design function across its product portfolio. The position owns the entire electrical engineering function, working closely with mechanical, firmware, and software teams to deliver high‑quality, scalable consumer products.

Waltham, MA13 days ago

We are looking for an experienced researcher to join our team as Principal Research Associate/Associate Scientist in the Molecular Assembly team, supporting our novel target identification and validation workflow in house. Excellent written and verbal communication skills, with the ability to document experiments in an organized and timely fashion and to present scientific data to coworkers.

New!

Boston, MA1 day ago

$90–$95

Experience with DLP, Encryption, Tokenization & HSM-based Key ManagementNotePreferred Qualifications: Experience in financial services, telecom, or government sectors. Experience Needed: 15+ YearsKey Skills Required: 10+ years in Cybersecurity Architecture & Engineering.

Boston, MA26 days ago

$150,000–$180,000 Per Year
Full-time

Client Details The client is an innovative connected‑fitness company that blends advanced hardware, immersive digital content, and intuitive software to deliver a premium at‑home training experience, while fully owning and leading the entire electrical design function across its product portfolio. The position owns the entire electrical engineering function, working closely with mechanical, firmware, and software teams to deliver high‑quality, scalable consumer products.

Somerville, MA, MA30+ days ago

Full-time

Create conceptual techno-economic on-site energy solutions that appreciate and address the complex customer pain points of energy cost, sustainability, reliability, resilience, Capex constraints, and risk management (includes detailed data analysis, conceptual design, and modelling). The Principal Solutions Architect Engineer will also work with Schneider Electric (SE) Microgrid Competency Center (MGCC), Energy and Sustainability Services (ESS), and other SE business units as well as The Carlyle Group, various generation firms, and Engineer Procure Construct (EPC) firms.

Boston, MA30+ days ago

$164,800–$206,000 Per Year

This role is the linchpin connecting cutting-edge technology with transformative workforce solutions, directly shaping products that empower businesses to hire, pay, and manage global teams seamlessly. Strategically leverage AI to create novel software solutions that tackle complex global workforce management and compliance issues, utilizing the Partner ecosystem to showcase and validate platform capabilities.

Burlington, MA30+ days ago

With our proprietary Ultrasound-on-Chip technology, we're democratizing healthcare by shifting ultrasound from the expensive, stationary systems of the past to the connected, mobile, and software-enabled platforms of today. Immediately reporting any suspected or actual security incidents, including phishing attempts, malware infections, or unauthorized access, following the established incident response procedure.

Burlington, MA30+ days ago

The Principal Electrical Engineer is a senior technical leader responsible for developing Butterfly's industry leading ultrasound products from concept to commercial launch and production scale-up. As part of our team, your core responsibilities will be: Lead electrical architecture and design for medical devices across the full product lifecycle, from early feasibility and risk analysis through design transfer, manufacturing, and post-market support.

Waltham, MA25 days ago

Full-time

This individual, with some supervision, will independently drive synthesis, purification, formulation, and analytical characterization of modified oligonucleotides to support discovery and early development programs. In our fast-paced startup environment, this role requires strong technical skills, hands-on execution, problem-solving creativity, and a willingness to take ownership of processes and infrastructure as we scale.

Waltham, MA12 days ago

$137,000–$220,000

In accordance with state and local pay transparency laws—including those in California, Colorado, Massachusetts, New York, New Jersey, and others—we disclose salary ranges in all job postings and provide additional information upon request. In this role, you will partner closely with Platform, Security, Compliance, and Engineering teams to enable reliable, audit-ready cloud environments while balancing velocity, security, and operational excellence.

Cumberland, RI30+ days ago

$120

This hybrid role bridges traditional Microsoft Information Protection and compliance tools with modern AI-centric data security practices, including encryption for LLM pipelines, secure vector stores, and legacy data remediation. - Looking for experience with Snowflake, Microsoft Defender, DLP tools, Azure Purview and with a data engineering background that is operating in an oversight role or assisting a larger organization using those tools.

Woburn, MA21 days ago

$140,000–$230,000 Per Year

One or more of the following credentials: certified public accountant (CPA), certified valuation analyst (CVA), accredited in business valuation (ABV), chartered financial analyst (CFA), certified business appraiser (CBA), accredited senior appraiser (ASA), certified divorce financial analyst (CDFA) CPA, CVA, ABV, CBA, or ASA certification is required 10+ years' of recent experience in a related field, with a proven ability to lead and develop client relationships. Proactively identifies and communicates issues to clients, provides value added advice; is viewed as a qualitative and quantitative resource for partners and staff to resolve issues within practice segments and/or industry specialization(s).

TEWKSBURY, MA30+ days ago

Provide technical direction across various stages of missile operations, including the disposition of field return assets, complex assembly and disassembly issues, and ensuring mission readiness for flight tests. _As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote._.

Boston, MA30+ days ago

You help the team implement creative across multiple channels, from photo direction, to understanding and working against a narrative, to graphic design, communication, moving image and environmental design (where needed). You’ll report to the Sr Director, Global Brand Creative and work day to day with your peers in Brand Creative, Brand Management, Sports Marketing, Consumer Engagement, Digital Direct, Brand Planning and Brand Operations.

BOSTON, MA30+ days ago

$86,050–$114,750

We promote staff learning including lunch and learn sessions, an extensive library of online courses, Fun Advisory Board (FAB) arranges a number of events throughout the year and opportunities to engage with peers at NERCOMP and EDUCAUSE events. You Will: Clean, integrate, and analyze data using SQL, Python, R, and Excel (can perform complex functions); automate workflows; and develop dashboards and reports while providing training and technical support.

New!

BOSTON, MA4 days ago

$135,000–$150,000

We promote staff learning including lunch and learn sessions, an extensive library of online courses, Fun Advisory Board (FAB) arranges a number of events throughout the year and opportunities to engage with peers at NERCOMP and EDUCAUSE events. Expertise in advanced analytics techniques like Bayesian generative modeling, machine learning for textual analysis, neural topic modeling, or vector embeddings.

Hanscom AFB, Massachusetts20 days ago

The Air Force Program Execution Office for PEO Electronic Systems (ES) has the collective Air Force Materiel Command (AFMC) mission responsibility to manage and execute the modernization, development, testing, production, fielding, and sustainment of the PEO Digital portfolio, which includes over 130 programs for the United States Air Force (USAF) and foreign allies. Please Note: Final compensation for this position will be determined by various factors such as the Federal Government contract labor categories and contract wage rates, relevant work experience, specific skills and competencies, geographic location, education, and certifications.

Hanscom AFB, Massachusetts29 days ago

C3BM’s main efforts are Architecture and Systems Engineering (ASE), Operational Response Team (ORT), and multiple mission integration teams such as Air, Maritime and multiple acquisitions consisting of both the Advanced Battle Management System (ABMS) and Space. Command, Control, Communications, and Battle Management (C3BM) has been tasked with delivering an integrated Department of the Air Force (DAF) Battle Network providing resilient decision advantage and enabling the USAF, USSF, Joint, and Coalition Force to win against the pacing challenge.

Hanscom AFB, Massachusetts30+ days ago

Boston, Massachusetts25 days ago

As a Principal Data Scientist, you will deliver impact through data science, ML, and AI by working with the functional teams to develop and execute the technical vision for data science and AI across the company, and you will help to build the organization. Our company has cultivated a reputation of unsurpassed quality, a broad range of technologies and product offerings, and a strong commitment to servicing our worldwide customers.

Lynn, MA30+ days ago

$104,000–$145,600 Per Year

A Principal MRB Engineer is needed to support the needs and goals of manufacturing teams with engineering substantiation reviews to determine the acceptability of aircraft engine hardware. Mentor and develop Junior Engineers who perform analysis to document acceptability of parts to include stresscalculations, tolerance stack ups, and leveraging of previous analysis.*

Westborough, MA30+ days ago

The major responsibilities of the position include guiding and overseeing product innovation activities (organic and inorganic), translating business strategies into product concepts, defining strategies for product specifications and design inputs, conceptual product design, and development/validation of preliminary business cases. Olympus Corporation of the Americas, a wholly owned subsidiary of Olympus Corporation, is headquartered in Center Valley, Pennsylvania, USA, and employs more than 5,200 employees throughout locations in North and South America.

Andover, MA30+ days ago

$160,000–$200,000

Kforce has a client that is seeking a Principal Hardware Design Engineer in Andover, MA to play a key role in the development of complex digital hardware systems from initial concept through production. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.

Waltham, MA30+ days ago

$170,000–$200,000

This role is ideal for an engineer who thrives at the intersection of analog, highspeed digital, mixed signal, and system integration, and who enjoys solving ambiguous problems by turning constraints into clear, robust designs .   . As part of a small, highly collaborative engineering organization, you will work closely with other senior engineers to define system architectures, lead tradeoff analyses, and drive critical technical decisions.

Boston, MA7 days ago

$82.14

As a Principal Front-Office Engineer, you will serve as the technical lead embedded within the Risk team, driving design and implementation of small-scale applications and proof of concepts that will improve risk analysis, develop AI-enabled workflows, and enhance reporting systems & processes. •Strong SQL skills required with a familiarity of financial data platforms (such as Bloomberg, FactSet, Aladdin, eFront, Moodys), financial databases, and data manipulation techniques preferred.

Andover, MA13 days ago

Translate engineering design requirements into formal manufacturing process documentation including raw material definition, fixturing/tooling development, CNC programming, inspection planning, finishing requirements, and assembly instructions. Qualifications You Must Have: Typically requires a bachelor’s degree in manufacturing engineering, Mechanical Engineering, Industrial Engineering, Electrical Engineering, or Aerospace Engineering .

Boston, MA30+ days ago

Remote

$119,000–$160,650 Per Year

We help extend the value of these assets, enabling our customers to embrace the potential of cloud and mobile computing, advanced analytics, and the innovations of tomorrow. + Demonstrated history as a consistent top performer selling software solutions to senior executives with quotas in excess of 3M, selling large transactions.

Boston, MA29 days ago

$200,000–$230,000 Per Year

Our team of nearly 475 experts partners with 27 of the top 30 biopharmaceutical companies, the fastest-growing mid-caps, and cutting-edge emerging biotechs, including some of the biggest and most innovative brands. We partner with our clients to turn science into value by helping them understand the potential of their molecules, shaping their strategic plans, and allowing their decision-making to be the biggest differentiating factor in the success of their products.

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Principal Jobs in Brookline, MA

Jobs

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Principal Front-Office EngineerAxelon Services Corporation

Assistant Principal (2026-2027 School Year)Rutherford County Schools

1/2 STEM Teacher & 1/2 Assistant Principal at Midway Middle (26-27 School Year)Roane County Schools

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Principal Engineer - Stackpoint VenturesStackpoint Studio Inc

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Pleasant Hill Elementary - PrincipalCumberland County School District

Principal Manufacturing Engineer, 4th ShiftApollo Professional Solutions

Principal Design Quality Engineer INova Biomedical

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Principal Research Associate/Associate Scientist, Molecular AssemblyTScan Therapeutics

Principal Cybersecurity ArchitectTMS

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Principal Solutions Architect Engineer, MicrogridAlphaStruxure EmployeeCo, LLC

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Principal Research Associate - Oligonucleotide ChemistryAlloy Therapeutics

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PRINCIPAL INSTITUTIONAL RESEARCH ANALYST, Institutional ResearchBoston University

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Principal Logistics ManagerOdyssey Systems Consulting Group, Ltd.

Principal Systems EngineerOdyssey Systems Consulting Group, Ltd.

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Principal Data ScientistLutron Electronics Co., Inc

Principal MRB EngineerBelcan

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Director / Associate Principal - Medical and Scientific Strategy ConsultingPrescient Healthcare Group

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