1,399 Results for

Principal Jobs in Arlington, MA

Jobs

Principal Mechanical Engineer Viken Detection

Burlington, MA

$145,000–$170,000 / year
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The Principal Mechanical Engineer partners closely with Engineering, Physics, Program Management, and Operations to deliver high-performance, manufacturable, reliable, and cost-effective solutions from concept through sustaining engineering. Description: Viken Detection is seeking a highly experienced Principal Mechanical Engineer to provide technical leadership and architectural ownership across our advanced detection and imaging systems.

13 days ago

Principal Digital Signal Processing Systems Engineer GCR Professional Services

Cambridge, Massachusetts

Contractor
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As Principal Signal Processing System Engineer you will work directly with customers and program managers to create innovative, multidisciplinary technical solutions, for a broad range of highly-complicated mission needs. You will have hands-on engagement with prototype development, which may include software or firmware coding, test equipment operation and programming, integration and validation, and field tests and customer demonstrations.

30+ days ago

Principal Mobile Application Developer SharkNinja

Needham, MA

$190,000–$210,000 / year

Powered by two trusted, global brands, Shark and Ninja , the company has a proven track record of bringing disruptive innovation to market and developing one consumer product after another has allowed SharkNinja to enter multiple product categories, driving significant growth and market share gains. You will own the architecture behind how SharkNinja products come to life in the app — the feature architecture, the device experiences, the connectivity flows, and the consumer-facing quality of what is built on it — and partner with product teams to bring new products onto it.

2 days ago

Principal Manufacturing Engineer Micro Tech Staffing Group

Canton, MA

Micro Tech is looking for a Principle Manufacturing Engineer with hands on R&D experience. Define test requirements and integrate testing into manufacturing builds.

11 days ago

Systems Engineer, Principal - TS DCS Corporation

Bedford, MA

$142,188–$190,000 / year

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. The MIT is responsible for translating operational requirements into technical solutions, developing integrated architectures, assessing risks, supporting acquisition execution strategies, and coordinating test and evaluation activities to ensure capabilities are delivered to operational users.

12 days ago

Managing Principal / Senior Director, Data Analytics Consulting EPAM Systems

Boston, MA

This 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.

16 days ago

Principal Design Engineer (Mechanical / Mechatronic) System One

Cambridge, MA

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Ten or more years designing precision electromechanical instruments or automated production equipment, with at least five as lead or principal designer on products that reached build and qualification. • Detailed design of the system subsystems as scoped and defined by the team, including interfaces, fluid flow management, actuation mechanisms, force and displacement profiles, materials compatibility.

13 days ago

Principal Software Engineer I - Serverless - Platform Control Plane Elastic

Boston, MA

8+ 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.

16 days ago

Principal Software Engineer - Search Infra Elastic

Boston, MA

This 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.

16 days ago

Research Principal Scientist Waters Corporation

Milford, MA

Design materials with optimized specific applications in reversed-phase, Ion-exchange, HILIC, affinity, mixed-mode, and sample preparation workflows for separations of proteins, monoclonal antibodies, oligonucleotides, peptides, PFAS, and small molecules. Members of Global Research work in highly collaborative cross-functional teams spanning Consumables, Liquid Chromatography, Mass Spectrometry, Clinical, and Informatics technologies to develop novel solutions for complex analytical problems.

16 days ago

Principal Program Manager Waters Corporation

Milford, MA

The role serves as the primary business-facing lead for PLM delivery, working closely with stakeholders, IT teams, implementation partners, and senior leaders to ensure PLM capabilities support business priorities, regulatory expectations, operational efficiency, and product data governance. This role combines practical program leadership with strong PLM business process knowledge to deliver scalable solutions across Engineering, Quality, Manufacturing, Regulatory Affairs, Supply Chain, IT, and ERP-connected processes.

16 days ago

Senior Principal Scientist Waters Corporation

Milford, MA

In addition to leading innovation in material design, you will help advance next-generation manufacturing strategies for Waters particle and bonded-phase production, including scalable and data-rich manufacturing approaches, advanced process characterization, and in-process analytical testing methodologies. As a Senior Principal Scientist within the BioSeparations Portfolio of the Chemistry & Lab Automation Business Unit, you will define and lead the scientific strategy for novel chromatographic materials and enabling chemistries for biologics ranging from oligonucleotides, viral vectors, and mRNA to proteins, peptides, and gene-editing therapeutics.

16 days ago

Principal Electrical Engineer Gentex Corporation

Manchester, NH

You'll work at the intersection of high-bandwidth, low-latency video distribution for enhanced night vision devices and next-generation smart battery pack design — shaping the electrical backbone of our helmet-mounted platforms to ensure efficient power delivery, robust data pathways, and seamless integration across mission-critical technologies. Located in the heart of New England, Manchester is also conveniently located within an hour’s drive of Boston, an hour from the Atlantic Ocean and less than two hours from New Hampshire’s scenic White Mountains, Lake Winnipesaukee and the many other well-known vacation destinations in Maine, Vermont and Massachusetts.

4 days ago

Assistant Principal and/or Interim Assistant Principal: Norwell Middle School Norwell Public Schools

Norwell, MA

$115,000–$130,000 / year

GENERAL DUTIES: To assist the principal in promoting learning and providing high quality administration and leadership for Norwell Middle School, particularly with student issues, safety, special education, and general administrative support. APPLICATION PROCESS: An informative letter of interest, resume, completed application form, proof of current certification or certifiability, undergraduate and graduate transcripts, and at least three (3) current letters of reference must be received at the following address no later than October 13, 2026 or until filled.

15 days ago

Middle School Assistant Principal (Maternity Leave) North Andover Public Schools

North Andover, MA

Work with building leadership to draft and revise a comprehensive school budget for classroom teachers, specialists, and all instructional personnel assigned full-time to his/her building; prepare this budget with the assistance of teachers and system-wide administrators. Provide effective and dynamic leadership to students, faculty and families: Alongside the Principal, communicate the school''s vision, goals, long-range plans, needs, and accomplishments to students, staff, families and the community-at-large.

17 days ago

INTERIM ASSISTANT PRINCIPAL - SWAMPSCOTT MIDDLE SCHOOL - TO COVER A LEAVE OF ABSENCE Swampscott Public Schools

swampscott, MA

This includes leading, directing, counseling, and supervising students and staff; creating effective parent, teacher, and child communications; supporting, encouraging, mentoring, and evaluating staff; fostering teamwork between teachers and among staff and parents; and managing budget items. The Middle School Assistant Principal assists the building principal in organizing and fostering a positive, safe environment that is conducive to best meeting the needs of all students, staff, and parents.

20 days ago

Managing Director Principal Gifts & External Engagement Principal Gifts Advancement Boston University

BOSTON, MA

Lead the preparation of inspiring and compelling proposals for high-stakes solicitations and secure major gifts (lead gifts, seven-figure+ or institutionally defined campaign-level gifts) in alignment with institutional priorities. Leverage personal network as well as partner with prospect research to build and manage an active portfolio of 60-80 prospective principal gift donors (mix of mid-to high-capacity prospects), tailored toward campaign lead gift potential.

30+ days ago

Interim Assistant High School Principal (Oct - Dec 2026) Andover Public Schools

Andover, MA

Andover Public Schools (APS) seeks candidates who embody our ethos, which includes valuing the identities of all students, high expectations for all students, teaching excellence, collaboration, innovation, respect, and responsibility. The Andover Public Schools seek a successful administrator with effective leadership, curriculum, and management skills to serve as Assistant Principal.

30+ days ago

Sr Principal/Principal Software Engineer, App Lila Sciences Inc

Cambridge, MA

$204,000–$348,000 / year

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. Communication & Collaboration: Acute listening skills, and a proven track record of working cross-functionally with scientists, data engineers, and product teams; able to explain complex ideas to diverse audiences.

30+ days ago

Managing Director, Principal Gifts & External Engagement, Principal Gifts, Advancement Boston University

BOSTON, MA

$235,000–$260,000
Full time

Lead the preparation of inspiring and compelling proposals for high-stakes solicitations and secure major gifts (lead gifts, seven-figure+ or institutionally defined campaign-level gifts) in alignment with institutional priorities. Leverage personal network as well as partner with prospect research to build and manage an active portfolio of 60–80 prospective principal gift donors (mix of mid-to high-capacity prospects), tailored toward campaign lead gift potential.

30+ days ago

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Principal Jobs in Arlington, MA

Principal Mechanical Engineer Viken Detection

Principal Digital Signal Processing Systems Engineer GCR Professional Services

Principal Mobile Application Developer SharkNinja

Principal Manufacturing Engineer Micro Tech Staffing Group

Systems Engineer, Principal - TS DCS Corporation

Managing Principal / Senior Director, Data Analytics Consulting EPAM Systems

Principal Design Engineer (Mechanical / Mechatronic) System One

Principal Software Engineer I - Serverless - Platform Control Plane Elastic

Principal Software Engineer - Search Infra Elastic

Research Principal Scientist Waters Corporation

Principal Program Manager Waters Corporation

Senior Principal Scientist Waters Corporation

Principal Electrical Engineer Gentex Corporation

Assistant Principal and/or Interim Assistant Principal: Norwell Middle School Norwell Public Schools

Middle School Assistant Principal (Maternity Leave) North Andover Public Schools

INTERIM ASSISTANT PRINCIPAL - SWAMPSCOTT MIDDLE SCHOOL - TO COVER A LEAVE OF ABSENCE Swampscott Public Schools

Managing Director Principal Gifts & External Engagement Principal Gifts Advancement Boston University

Interim Assistant High School Principal (Oct - Dec 2026) Andover Public Schools

Sr Principal/Principal Software Engineer, App Lila Sciences Inc

Managing Director, Principal Gifts & External Engagement, Principal Gifts, Advancement Boston University

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