1,364 Results for

Principal Jobs in Somerville, MA

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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.

7 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 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.

5 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.

6 days ago

Principal ML Platform Engineer - Remote Appian Corporation

Boston, MA

Remote

$175,000–$325,000 / year

Growth 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.

13 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.

7 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.

13 days ago

Principal Software Engineer - Storage Engine Elastic

Boston, MA

Remote

This 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.

30+ days ago

Principal Java Engineer - Distributed Systems, Serverless Elastic

Boston, MA

Leveraging 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.

30+ days ago

Principal Software Engineer - Performance Tuning Elastic

Boston, MA

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. This includes deep experience with benchmarking tools (e.g., flamegraphs, JMH, Rally), identifying performance regressions, and implementing algorithmic or hardware-aware optimizations.

30+ 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.

30+ 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.

30+ days ago

Principal Software Engineer - Search Algorithms Elastic

Boston, MA

This 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.

30+ days ago

Principal Software Engineer - Vector Search Elastic

Boston, MA

30+ days ago

Principal Software Engineer - Security Elastic

Boston, MA

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. • You have a solid comprehension of distributed systems security, including node-to-node mutual trust, zero-trust transport, partition tolerance, and cluster state propagation.

30+ days ago

Principal AI Security Analyst Waters Corporation

Milford, MA

We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. You will lead the security review of AI/ML systems, manage our AI security toolchain, identify emerging threats unique to large-scale models, and build the frameworks that keep our AI infrastructure resilient against adversarial attacks.

30+ 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.

30+ 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.

30+ 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.

30+ days ago

Principal AI Solutions Engineer Waters Corporation

Cambridge, MA

The successful candidate will partner with scientists and engineers across the research organization to identify high-value use cases, configure AI-enabled workflows, and scale approaches that improve productivity, accelerate discovery, and increase innovation yield in domains where AI has not traditionally been applied. Waters Global Research organization advances the analytical instruments, chemistries, and software that laboratories worldwide rely on to characterize molecules with exceptional precision — from biopharmaceuticals to the safety of the food and water supply.

30+ days ago

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Principal Jobs in Somerville, MA

Principal Mechanical Engineer Viken Detection

Principal Digital Signal Processing Systems Engineer GCR Professional Services

Principal Manufacturing Engineer Micro Tech Staffing Group

Systems Engineer, Principal - TS DCS Corporation

Principal ML Platform Engineer - Remote Appian Corporation

Principal Design Engineer (Mechanical / Mechatronic) System One

Managing Principal / Senior Director, Data Analytics Consulting EPAM Systems

Principal Software Engineer - Storage Engine Elastic

Principal Java Engineer - Distributed Systems, Serverless Elastic

Principal Software Engineer - Performance Tuning Elastic

Principal Software Engineer - Search Infra Elastic

Principal Software Engineer I - Serverless - Platform Control Plane Elastic

Principal Software Engineer - Search Algorithms Elastic

Principal Software Engineer - Vector Search Elastic

Principal Software Engineer - Security Elastic

Principal AI Security Analyst Waters Corporation

Principal Program Manager Waters Corporation

Senior Principal Scientist Waters Corporation

Research Principal Scientist Waters Corporation

Principal AI Solutions Engineer Waters Corporation

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