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Principal United States Jobs

1649 Job Offers

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Principal Mechanical Engineer
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Lead mechanical architecture for missile launcher systems at CHAOS Industries in El Segundo. Requires 10+ years in aerospace/defense design, CAD proficiency, and electro-mechanical integration expertise.
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CHAOS Industries
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Principal Mechanical Engineer
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CHAOS Industries seeks a Principal Mechanical Engineer in El Segundo, CA to lead hands-on integration of ruggedized electronics and mission systems into mobile platforms. Requires 8+ years in aerospace/defense mechanical design and strong CAD skills.
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CHAOS Industries
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Principal Engineer - Reporting & Insights
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Lead Xero's Reporting & Insights technical strategy as Principal Engineer in a remote US role. Shape AI-native reporting architecture, mentor engineers, and drive multi-year innovation. Salary $287k-$320k plus equity.
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United States, US: Remote
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Xero
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Tax Principal - Oil & Gas - North Texas
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Lead tax compliance and consulting for Oil & Gas clients as a Tax Principal in Dallas. Requires CPA, 8+ years public accounting experience, and strong leadership skills. Competitive benefits included.
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Cliftonlarsonallen
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Principal Strategic Customer Consultant
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Lead strategic customer partnerships at Bloomreach, driving AI-powered personalization adoption. Requires 7-10 years in SaaS/eCommerce search, executive communication skills, and analytics expertise. Remote-friendly with health benefits and 401k.
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Bloomreach
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Principal DevOps Engineer/Lead (AI/ML Infrastructure) - Remote US
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Lead AI/ML infrastructure at Revvity Signals as Principal DevOps Engineer (US Remote). Requires 5+ years DevOps/ML platform expertise, deep AWS/Azure/GCP knowledge, Kubernetes, Kubeflow or SageMaker, and Python/Go skills.
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United States, US Remote -
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Revvity
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Principal Systems Engineer - Space Vehicle
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BlackSky seeks a Principal Systems Engineer in Tukwila to lead space vehicle architecture, requirements, and verification for advanced satellite systems. Requires 12+ years in spacecraft engineering and strong cross-disciplinary expertise.
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BlackSky
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DER/ BESS Engineer (Staff, Senior, or Principal)
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Join Xcel Energy as a DER/BESS Engineer driving clean energy integration. Lead BESS, microgrid, and DER projects with power system analysis and grid modernization. Requires engineering degree and 2+ years experience.
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Xcelenergy
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DER Interconnection Engineer (Entry, Staff, Senior, or Principal)
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Join Xcel Energy as a DER Interconnection Engineer in the US. Requires an ABET engineering degree, EIT/FE preferred. Lead clean energy projects with growth opportunities and meaningful rewards.
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Xcelenergy
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Principal, GTM Automation, RevOps.
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Cloudflare seeks a Principal GTM Automation engineer in Austin to design agentic AI workflows for revenue operations. Requires 10+ years in software/data engineering, Python or TypeScript, SQL, and hands-on Salesforce expertise.
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Cloudflare
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Principal Mechanical Design Engineer
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Lead mechanical architecture for engine subsystems at Astro Mechanica in San Francisco. Requires 10+ years of hardware design leadership, expert CAD and GD&T skills, plus mentoring ability. Competitive benefits included.
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Astro Mechanica
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Principal of Technical Content & Editorial
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Arize AI seeks a Principal of Technical Content & Editorial in San Francisco to lead content strategy for AI observability. Requires 8+ years in technical content, editorial leadership, and deep AI/developer tooling knowledge.
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Arize AI
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Principal Full Stack Engineer, B2B eCommerce
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Lead Fusion's B2B eCommerce platform as Principal Full Stack Engineer in Boston (hybrid). Requires 10+ years, SQL Server, Azure, Terraform, and LLM/AI tooling expertise across Next.js, Python, and GraphQL.
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Fusion Worldwide
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Principal Analog and Mixed Signal Electrical Engineer
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Lead analog and mixed-signal design for next-gen radar platforms in Kirkland. Requires expertise in low-noise receivers, data converters, clocking, power circuits, and signal integrity. Includes RSU and fully-paid medical benefits.
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Echodynecorp
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Principal Learning Designer, Life Skills
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Level seeks a Principal Learning Designer in Austin to shape life skills curriculum and interactive learning experiences. Requires 5+ years in instructional design, learning science grounding, and strong product sense.
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Level
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Principal Solutions Consultant
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Lead enterprise blockchain adoption as a Principal Solutions Consultant in New York. Guide financial institutions through risk, compliance, and digital-asset solutions with 7+ years of client-facing technical expertise.
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Elliptic
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Principal Customer Success Executive - Manufacturing Vertical
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Lead post-sales success for ServiceNow's manufacturing accounts in Detroit. Own GRR, NRR and renewals while advising C-suite stakeholders on AI-driven transformation. Requires 10-15 years in enterprise SaaS or consulting.
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Armis
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Principal Platform Engineer
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Join Clarity Innovations as a Principal Platform Engineer in Herndon. Lead Kubernetes, GitOps, and CI/CD initiatives with Python, Bash, and Ansible to secure national security missions.
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Clarity Innovations
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Associate Principal Resident Engineer - Americas
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Join Dragos as Associate Principal Resident Engineer - Americas. Leverage 5+ years of ICS/OT cybersecurity and networking expertise to deploy and optimize the Dragos Platform for critical infrastructure clients. Remote-first, up to 25% travel.
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Dragos
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Principal Strategic Customer Consultant
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Lead strategic customer partnerships at Bloomreach, driving AI-powered personalization adoption and ROI. Requires 7-10 years in SaaS/eCommerce search, executive communication skills, and analytical expertise with Tableau.
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Bloomreach
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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.