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Principal Jobs (On-site work)

1187 Job Offers

Principal Fire Design Engineer
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Principal Fire Design Engineer sought for a London-based consultancy. You will lead fire suppression system design, including sprinklers and water mist, across diverse projects. This role demands expertise in hydraulic calculations, RIBA stages, and British Standards. Join as a key technical expe...
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Senior Principal Controls Engineer
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Senior Principal Controls Engineer sought in Round Lake, IL to drive automation and reliability in life-saving medical device manufacturing. Leverage expertise in Allen-Bradley PLCs, robotics, and vision systems to optimize equipment and lead digital transformation. Requires 8+ years in manufactu...
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128000.00 - 176000.00 USD / Year
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Principal Associate, Accounting
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United States, Richmond, VA, McLean, VA
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109900.00 - 137900.00 USD / Year
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Senior Principal Controls Engineer
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Senior Principal Controls Engineer role in Round Lake, US, driving automation and Industry 4.0 initiatives in a manufacturing site. Requires 8+ years of experience with Allen-Bradley PLCs, robotics, and vision systems. You will optimize equipment reliability, lead CAPAs, and support digital trans...
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128000.00 - 176000.00 USD / Year
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Principal Software Engineer
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Principal Software Engineer sought to lead AI platform architecture for manufacturing and engineering tools in Hyderabad, India. Requires 13-17 years building cloud-native services with Kubernetes and microservices, plus hands-on LLM serving experience. Drive scalable AI gateways, agent hosting, ...
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Principal Engineer, Power Density
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Principal Engineer, Power Density – Austin, TX. Lead next-gen energy storage innovation within Enphase’s CTO office. Drive the power density roadmap by attacking all loss mechanisms (conduction, switching, magnetic, thermal) and integrating with mechanical teams for footprint reduction. Requires ...
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130000.00 - 226000.00 USD / Year
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Strategy & Execution Principal (Energy & Utilities)
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Seeking a Strategy & Execution Principal for our Barcelona office to lead high-impact projects in the Energy & Utilities sector. You will manage senior client relationships, drive business transformation, and oversee complex engagements. Requires 8-11 years of consulting experience with proven ex...
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Principal Piping Engineer
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Principal Piping Engineer role in Dubai, UAE, seeking an expert with 15-20 years of Oil & Gas experience. Lead FEED and EPC projects, solving complex piping challenges using ANSI, ASME, and API standards. Requires a Mechanical Engineering degree and deep knowledge of design, stress analysis, and ...
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Principal Instrumentation & Controls Eng
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Seeking a Principal Instrumentation & Controls Eng in Dubai, UAE. Lead complex design for oil & gas projects, requiring 15-20 years’ experience and a Bachelor’s in Electrical/Electronics Engineering. This specialist role involves FEED, detailed analysis, and leading engineering teams. Ideal for a...
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Principal Mechanical Engineer
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Senior CDM Principal Designer
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55000.00 - 65000.00 GBP / Year
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Senior CDM Principal Designer
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Senior CDM Principal Designer role in Newcastle with a design-led practice offering clear career progression. You will lead CDM 2015 compliance, manage design risk reviews, and mentor junior staff across Commercial, Infrastructure, Education, and Healthcare projects. Requires NEBOSH Construction ...
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United Kingdom, Newcastle upon Tyne
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55000.00 - 65000.00 GBP / Year
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Principal Solutions Engineer
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Deputy Campus Principal
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United Kingdom, Prologis Park
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Senior & Principal ICSS Engineers
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System Interoperability and Integration Engineer Principal
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Principal System Interoperability & Integration Engineer needed for Platform One at Peterson AFB, Colorado. Requires TS/SCI clearance, 7+ years integration experience, and 5+ years DevOps with DORA metrics. Lead automated metrics modeling, configure Party Bus pipelines, and enhance continuous del...
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Principal Product Manager - Tech
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Lead product innovation at Amazon Ads as a Principal Product Manager, driving generative AI-powered ad experiences across Amazon.com. Based in Seattle, New York, or Palo Alto, you will define the long-term vision for conversational ads, manage roadmap strategy, and launch high-impact features. Re...
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United States, Seattle, New York, Palo Alto
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206900.00 - 279900.00 USD / Year
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System Architect (Principal)
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Principal System Architect sought to lead platform-centric transformation in a global medtech company. Drive system architecture, modularization, and requirements management for complex hardware-based products. Requires 7+ years experience, strong stakeholder management, and cross-functional lead...
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Principal – Private National School
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Seeking an experienced Principal to lead a well-established private national school in Kuala Lumpur, Malaysia. This role oversees the Malaysian National Curriculum, driving academic excellence and student outcomes through strategic resource management. Candidates require a Master’s degree and 7–1...
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12000.00 - 15000.00 MYR / Month
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Principal IT/AV Consultant
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Principal IT/AV Consultant sought in London to lead innovative design solutions and technical teams. You’ll manage projects, mentor engineers, and drive stakeholder engagement within a multidisciplinary environment. Ideal candidates are Chartered Engineers with a degree in Electronics or Computer...
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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.