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Principal Jobs

3390 Job Offers

Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Bristol to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and high voltage systems.
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Principal Data Engineer, AI Enablement
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Lead AI-ready data solutions at AbbVie in North Chicago as Principal Data Engineer. Requires MLOps, LLM integration, Graph RAG, Python, SQL, and Spark expertise. Shape pharma's AI future with cutting-edge data pipelines.
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Senior Principal, Planning and Modelling (Finance Insights)
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Lead global FCF planning and cash flow modelling at Delivery Hero in Berlin. Requires expert knowledge of financial statements, working capital and cash tax. Shape forecasting models across 65 countries.
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Associate Principal Facilities Engineer
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AbbVie seeks an Associate Principal Facilities Engineer in Branchburg to manage building drawings, oversee facility design, and drive cost-effective upgrades. Requires 4+ years of engineering experience; GMP and HVAC design a plus.
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United States, Branchburg
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Principal Research Scientist I, Process Chemistry (Biocatalysis)
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Lead biocatalysis innovation at AbbVie in North Chicago. Seeking a Principal Research Scientist with expertise in enzyme engineering, HTE, and AI/ML to drive API process development. PhD with 6+ years or BS/MS with 12-14+ years.
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Principal Engineer, Construction Safety
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Lead construction safety engineering for NYC's most complex high-risk projects. Requires PE license and 4+ years civil engineering experience. Review drawings, conduct field audits, and enforce Building Code compliance across all five boroughs.
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in London to lead grid compliance studies using PowerFactory, PSCAD and PSS/E. Requires UK Grid Code expertise and strong transmission planning skills.
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Manchester to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code, and transmission planning.
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Newcastle to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and high voltage systems.
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United Kingdom, Newcastle upon Tyne
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Leeds to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and HV protection.
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Lead / Principal GenAI Engineer
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Lead/Principal GenAI Engineer role in a lean, forward-deployed AI pod at a private equity firm. Design and build LLM workflows, RAG pipelines, and agentic apps for portfolio companies, then hand off scalable solutions. Remote, long-term contract with health insurance and growth opportunities.
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Principal Communications System Test Engineer - Verification and Validation
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Lead communications system test engineering at CesiumAstro in Austin. Requires 11+ years in space communications, RF expertise, and hands-on verification and validation of phased-array payloads and end-to-end links. U.S. citizenship required.
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Principal Verification Engineer
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Lead ASIC verification for cutting-edge micro/mm-Wave communications at Jariet Technologies in Aliso Viejo. Requires 10+ years experience, SystemVerilog UVM expertise, and strong coverage-driven verification skills.
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165000.00 - 199000.00 USD / Year
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Principal ERP Program Manager
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Lead Cloud ERP programs end-to-end at Brooks in the US. Seeking 10+ years in multi-region enterprise tech, 3+ full Cloud ERP lifecycles (Infor, SAP S/4HANA), and strong governance and stakeholder skills.
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Principal Data Platform Software Engineer (Database Operations)
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Lead database operations for ServiceNow's RaptorDB platform in Santa Clara. Architect resilient, cloud-native database solutions across hybrid infrastructure. Deep database and distributed systems expertise required.
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Principal Customer Success Executive, U.S. Federal
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Lead high-complexity transformations for U.S. Federal clients as a Principal Customer Success Executive in Vienna. Requires 15+ years in client-facing roles, executive advisory skills, and AI integration expertise. PMP preferred.
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Principal Customer Success Executive-ServiceNow
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Lead high-complexity ServiceNow transformations for strategic enterprise customers in Austin. Requires 15+ years in client-facing executive roles, ServiceNow expertise, and strong project management skills.
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Principal AI Forward Deployed Engineer
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Lead agentic AI solution delivery for ServiceNow's CRM business in Santa Clara. Architect production-grade autonomous agent systems, translate customer needs into scoped use cases, and drive forward-deployed AI adoption.
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Principal Product Success Architect
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Lead AI transformation as a Principal Product Success Architect at ServiceNow in Austin. Guide enterprise customers through AI adoption, build roadmaps and business cases. Requires 5+ years ServiceNow and AI expertise.
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Senior Principal Software Engineer – Full Stack Engineer
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QAD Redzone seeks a Senior Principal Full Stack Engineer in Pune with 12+ years of experience in Java, Node.js, Python, and cloud-native architecture. Lead complex system design, mentor engineers, and drive technical strategy for an AI-powered manufacturing platform.
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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.