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Principal Jobs (On-site work)

1190 Job Offers

Cdm Principal Designer
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Seeking an experienced CDM Principal Designer in Liverpool to lead major projects across complex sectors for a leading multi-disciplinary consultancy. This role offers long-standing frameworks, a generous bonus, car allowance, gold-standard healthcare, and gym membership. Requires 5+ years in CDM...
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50000.00 - 60000.00 GBP / Year
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Principal Controls Engineer
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Principal Controls Engineer sought by Baxter in Marion, US, to drive automation excellence in life-saving medical device manufacturing. Requires 7+ years experience with Allen-Bradley PLCs, Fanuc/Yaskawa robotics, and vision systems. Lead continuous improvement, validation, and CAPA projects in a...
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112000.00 - 154000.00 USD / Year
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Principal Systems Engineer
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Principal Systems Engineer sought for R&D at Baxter in Skaneateles Falls, NY. Lead cross-functional teams in medical device development, translating customer needs into system-level requirements. Requires 5+ years experience, expertise in ISO 14971 and IEC 62304. Benefits include immediate medica...
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United States, Skaneateles Falls
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Salary
112000.00 - 154000.00 USD / Year
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Senior Architect and Building Regulation Principal Designer
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Senior Architect and Building Regulation Principal Designer sought by a long-established Kent consultancy in Tunbridge Wells. You will lead diverse projects across Education, Commercial, Heritage, and Retail sectors. Requires 8+ years post-ARB experience, ARB/RIBA membership, and expertise in Bui...
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65000.00 - 70000.00 GBP / Year
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Cdm Principal Designer
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Join a design-led London consultancy as a CDM Principal Designer, working on high-end residential, commercial, and mixed-use projects. With 3+ years in design risk management and a NEBOSH certificate, you’ll mitigate CDM risks and ensure seamless contractor handovers. Enjoy hybrid work (2 days in...
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48000.00 - 55000.00 GBP / Year
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Principal / Sr Staff Software Engineer (ITDR)
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Principal Software Engineer (ITDR) sought to design and build cutting-edge, high-scale systems using Angular, React, and Python on AWS. Requires 7+ years of SW development, deep expertise in modern frameworks, and strong TypeScript/RxJS skills. Lead infrastructure design, implement sophisticated ...
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Location
Israel, Mulebbis
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Not provided
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Principal Product Designer
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Join Wise in Austin as our first North America Principal Product Designer. Shape region-specific features for millions of US customers, leveraging 10+ years of craft expertise, Figma mastery, and AI-curious prototyping. As a strategic individual contributor, you’ll drive scalable, evidence-based ...
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214000.00 - 290000.00 USD / Year
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Principal Applied Scientist
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Lead causal inference and attribution science as a Principal Applied Scientist in Redmond. Drive data-driven measurement, incrementality estimation, and counterfactual learning for web-scale advertising systems. Requires a PhD/ Master’s in CS, Statistics, or related field with 3-9+ years experien...
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142800.00 - 274800.00 USD / Year
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Principal Designer/CDM Advisor
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Join a leading UK property & construction consultancy as a Principal Designer/CDM Advisor in Oxford. With over 75 years of expertise, you’ll deliver H&S services across diverse sectors like residential, commercial, and defence. Requires NEBOSH Construction, CDM 2015 knowledge, and 2+ years in con...
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50000.00 - 60000.00 GBP / Year
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Cdm principal designer
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Seeking an experienced **CDM Principal Designer** in **Manchester** to lead major, complex projects for a leading multi-disciplinary consultancy. This role offers long-term frameworks, a strong work-life balance, and exposure to large-scale schemes. Ideal candidates have 2+ years in a CDM capacit...
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50000.00 - 60000.00 GBP / Year
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Principal Machine Learning Engineer - AV Labs
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Join Uber’s AV Labs as a Principal ML Engineer to lead Physical AI innovation in San Francisco or Sunnyvale. You will architect state-of-the-art autonomy algorithms and foundation models, solving the hardest long-tail data challenges in autonomous driving. Requires 10+ years in ML/Robotics, exper...
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302000.00 - 336000.00 USD / Year
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Principal Typescript/Javascript Developer (Extension Platform)
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Senior Principal Engineer sought for Santa Clara HQ to lead Prisma Access Browser platform development. You will own complex features end-to-end, driving substantial product improvements in enterprise security. Requires 5+ years experience with TypeScript/JavaScript, backend tech, and CI/CD pipel...
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147000.00 - 237500.00 USD / Year
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Principal Software Engineer
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Principal Software Engineer needed onsite in Annapolis Junction, MD. You will lead full-stack development using JavaScript, React, Node.js, and Rust, driving mission-critical solutions for the Intelligence Community. Requires 12+ years of SWE experience, a TS/SCI with Full Scope Polygraph, and ex...
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Location
United States, Annapolis Junction
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Salary
215000.00 - 250000.00 USD / Year
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Principal Systems Administrator
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Principal Systems Administrator needed onsite in Annapolis Junction, MD. Leverage 15+ years of systems administration expertise to support critical Intelligence Community missions. Manage IT systems, resolve Tier 1/2 issues, and optimize enterprise operations. Requires active TS/SCI with Full Sco...
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Location
United States, Annapolis Junction
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Salary
175000.00 - 205000.00 USD / Year
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Principal Opto-Mechanical Engineer
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Principal Opto-Mechanical Engineer sought in San Jose, CA to lead design and delivery of advanced opto-mechanical systems for next-gen e-beam technology. Requires MSc/PhD and 10+ years in optics, lasers, and precision motion. Drive technical roadmap, system integration, and validation from protot...
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177000.00 - 265500.00 USD / Year
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Senior Principal Product Manager
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Senior Principal Product Manager needed to lead Microsoft Advertising’s Smart Bidding strategy. Drive AI-powered, scalable ad products maximizing advertiser ROI. Partner with Data Science, Engineering, and UX in Mountain View. Requires 10+ years in product management and deep digital advertising ...
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165600.00 - 296400.00 USD / Year
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Principal / Associate Town Planner
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Principal / Associate Town Planner role in Cardiff with a design-led consultancy. Seeking MRTPI-qualified professionals with 8-10+ years’ experience to lead projects across residential, healthcare, and regeneration sectors. Manage client relationships, planning applications, and business developm...
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45000.00 - 55000.00 GBP / Year
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Principal Engineer, EMC
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Principal Engineer, EMC role at Baxter Healthcare in Round Lake, IL. Drive groundbreaking healthcare solutions by defining EMC requirements and leading compliance testing to CISPR 11 and IEC 60601-1-2 standards. Requires 5+ years EMC experience, a Bachelor’s/Master’s in EE, and proficiency with M...
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112000.00 - 154000.00 USD / Year
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Principal Engineer, EMC
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Principal Engineer, EMC role at Baxter Healthcare in Round Lake, IL. Drive groundbreaking healthcare solutions by defining EMC requirements, leading pre-compliance testing, and troubleshooting EMI/RF issues. Requires 5+ years EMC experience, Bachelor's/Master's in EE, and proficiency with MATLAB,...
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112000.00 - 154000.00 USD / Year
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Principal Engineer, PMO MPT
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Principal Engineer, PMO MPT in Marsa, Malta. Drive total cost optimization and value engineering in a regulated medical/pharma environment. Lead cross-functional teams using structured project management, should-cost analysis, and continuous improvement. Enjoy benefits like professional developme...
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36000.00 EUR / Year
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About the Principal role

A Principal role represents a senior leadership position found across various industries, from construction and engineering to technology and product management. Individuals in these jobs are trusted with high-level strategic oversight, complex problem-solving, and driving significant organizational impact. Unlike entry-level or mid-career positions, Principal jobs typically require a deep well of specialized expertise, a proven track record of leadership, and the ability to influence direction without direct managerial authority over every team member.

In a professional context, a Principal is often the highest individual contributor or a senior team lead responsible for shaping the vision and execution of critical initiatives. For example, in design and construction sectors, a Principal Designer focuses on risk management from the earliest stages of a project. They ensure that health and safety regulations, such as the CDM Regulations 2015, are integrated into the design process, mitigating hazards before construction begins. This involves leading cross-functional coordination, conducting design reviews, and ensuring a seamless handover to contractors.

In technology and business strategy, Principal Product Managers own the end-to-end lifecycle of complex service portfolios or product lines. They are responsible for defining strategy, developing business cases, and launching innovative offerings that drive customer adoption and revenue growth. These roles demand a data-driven approach to decision-making, strong cross-functional leadership, and the ability to influence executives and stakeholders across engineering, sales, marketing, and customer success teams. Common responsibilities include market analysis, competitive benchmarking, pricing strategy, and building go-to-market plans.

Typical skills required for Principal jobs include exceptional communication and presentation abilities, strategic thinking, and a high degree of autonomy. Candidates usually possess a bachelor’s or master’s degree in a relevant field, combined with significant experience—often eight or more years in a related domain. Technical proficiency is critical, whether in understanding network security, cloud infrastructure, or construction regulations. Soft skills such as negotiation, mentorship, and the ability to drive alignment in matrixed organizations are equally important.

Ultimately, Principal jobs are about leading from the front, solving the most challenging problems, and setting the standard for excellence within an organization. Whether mitigating risk on a construction site or defining the future of a software platform, these professionals are integral to driving meaningful, lasting results.