Senior Principal Jobs

Lead national water and wastewater infrastructure projects as a Senior/Principal Civil Engineer at Egis in London. Drive major UK programmes like AMP8, leveraging your CEng status and expertise in Civil 3D and hydraulic modelling. This senior role offers hybrid working, accelerated career progres...

Senior/Principal Mechanical Engineer sought for Egis’s expanding UK Water team in Manchester. Lead municipal water/wastewater treatment design across AMP8 and major programmes. Requires CEng, IMechE membership, and deep UK regulated water market expertise. Benefit from accelerated career progress...

Lead national mechanical engineering for major UK water/wastewater infrastructure programmes. As Senior/Principal Engineer, you will shape design strategy, guide multidisciplinary teams, and drive best practice. Requires CEng, deep UK regulated water market experience, and treatment design expert...

Senior Principal TPM – Agentic Identity & Access at Atlassian in Seattle. Lead the cross-cutting program defining the golden path for AI agent authentication, authorization, and governance. Requires deep IAM expertise (OAuth, OIDC, SAML) and a proven record driving platform adoption across engine...

Senior Principal Piping Engineer role in Chennai, India, seeks a specialist with 20+ years of oil & gas experience. You will solve complex problems, lead FEED and detail design, and drive innovative solutions. Requires a Bachelor's/Master's in Engineering, deep knowledge of codes and standards, a...

Senior / Principal Systems Engineer (MBSE) sought for a key role in Canberra. Leverage your Defence experience and NV1 clearance to deliver complex systems engineering solutions. Utilize MBSE tools like SysML, Cameo, or Capella alongside DOORS to drive digital engineering and capability delivery....

Senior Principal Mechanical Engineer sought to lead the Cooling Water Island team for a groundbreaking Small Modular Reactor (SMR) program in Newcastle upon Tyne. Drive FEED to detailed design, ensure regulatory compliance, and manage multidisciplinary teams. Requires Chartered Engineer (CEng) st...

Microsoft seeks Senior & Principal Technical Program Managers to lead cybersecurity initiatives within its Cloud & AI organization. Based in multiple U.S. locations, this role requires a Bachelor's degree and 4+ years in engineering or program management, plus cross-functional project experience....

Senior Principal Customer Success Manager role in San Francisco, US. Leverage 8-10 years of customer-facing expertise to drive business value and ROI for enterprise clients. Build executive-level trust, guide adoption of PagerDuty’s real-time operations, and mitigate risks. Enjoy competitive sala...

Join Microsoft Quantum in Copenhagen or Kongens Lyngby, Denmark, as a Senior/Principal Quantum Error Correction Engineer. Drive the development of scalable quantum computing systems by designing fault-tolerance strategies and implementing error correction codes. Ideal candidates hold a PhD/Master...

Join Microsoft’s Core AI Speech Group in Redmond as a Senior or Principal Applied Scientist. Drive innovation in end-to-end speech modeling, deep learning, and multimodal integration with LLMs. Requires a PhD/MS in CS, EE, or related field with experience in statistics and predictive analytics. I...

Senior Principal Telecom Engineer sought for a high-impact role in Chennai, India. This position demands 20+ years of oil & gas experience, a Bachelor’s in Electrical Engineering, and deep expertise in IEC 61508/61511 functional safety. You will lead conceptual and FEED design, solve complex tele...

Join Microsoft’s Windows Security team as a Senior or Principal Security Engineer in Redmond, WA. Focus on offensive security, vulnerability research, and engineering mitigations for Windows OS used by billions. Requires a Master’s in CS or related field with 3+ years security experience. Perform...

Senior Building Regulation Principal Designer role in Maidstone with a leading multi-disciplinary consultancy. Lead compliance on complex new build projects across Leisure, Universities, and Residential (HRBs). Requires 7+ years in Architectural, Design, or Building Control, plus ARB/RIBA members...

Senior CDM Principal Designer role in Birmingham with a market-leading consultancy. Lead major projects across complex sectors, leveraging long-standing frameworks for stability. Requires 5+ years’ CDM experience, APS/IOSH membership, and business development skills. Benefits include car allowanc...

Senior Principal AI Interconnect Architect sought in Milpitas, CA to define high-speed networking for AI inference infrastructure. Requires 10-15 years in interconnect technologies like PCIe, CXL, and Ultra Ethernet, plus expertise in fabric topologies and GPU clusters. Role involves architecting...

Senior Principal Structural Engineer sought in Perth, Australia, to lead complex subsea structures and construction projects. Requires 15+ years of structural engineering experience, including 5 years in subsea design and 2 years as a Lead Engineer. Expertise in SACS, ANSYS/Abaqus, and fabricatio...

Senior Principal Project Engineer sought in Kuala Lumpur, Malaysia, to solve complex engineering challenges with broad business impact. This specialist role requires 15-20 years of Project Engineering experience, including 5-10 years as a Project Engineering Manager. You will manage engineering s...

Zuora seeks a Senior Principal Software Engineer in Foster City, CA to architect scalable, high-performance billing systems. You will lead design, deployment automation, and high-availability solutions for production environments. Requires 7+ years with AWS, Terraform, Java, and billing platform ...

Senior Principal UI/UX Designer sought to lead end-to-end design for SaaS products (Billing, Payments, Core Platform) at Zuora in Foster City, CA. Requires 5+ years of experience with Figma prototyping, design systems, user research, and enterprise software. Drive cohesive, user-centered solution...