Sr. Project Engineer

The Opportunity:

Process Engineer Avantor is looking for a Senior Project Engineer to be responsible for leading engineering projects and providing technical expertise across a variety of complex assignments. This role applies advanced knowledge of engineering principles, project management practices, and operational objectives to successfully execute projects from concept through completion. The Senior Project Engineer manages medium- to large-scale projects and critical phases of major engineering initiatives, ensuring project deliverables are completed safely, on schedule, within budget, and in accordance with quality and regulatory requirements.

Working independently under general supervision, this position exercises sound judgment in resolving complex technical challenges and may provide guidance, mentorship, and assistance to Project Engineers, entry-level professionals, and technical support personnel. This is a full-time position based out of our Carptineria, CA location.

• Coordinate and drive engineering projects and major project phases, helping ensure alignment with project objectives, schedules, budgets, and quality expectations.
• Manage multiple project assignments simultaneously, balancing technical, operational, and business needs to support successful outcomes.
• Analyze engineering challenges, evaluate alternatives, and recommend practical, cost-effective solutions.
• Support project budgeting, cost evaluations, forecasting, and financial tracking activities to help projects remain within approved funding levels.
• Monitor project progress, identify potential issues, and recommend corrective actions as needed to support schedule, cost, quality, and technical objectives.
• Serve as a technical resource and subject matter expert in assigned areas, providing guidance and support to project teams and stakeholders.
• Collaborate with internal stakeholders, contractors, vendors, consultants, and subcontractors to facilitate effective project execution and alignment.
• Review engineering designs, calculations, specifications, and drawings to help ensure technical accuracy and compliance with applicable standards.
• Participate in risk identification, mitigation planning, and issue resolution activities throughout the project lifecycle.
• Support compliance with safety policies, environmental regulations, quality standards, and industry best practices.
• Prepare and communicate project updates, technical analyses, schedules, and recommendations to leadership and cross-functional stakeholders.
• Assist with contractor management activities, including reviewing invoices, verifying work completion, and supporting project expenditure approvals.
• Provide technical guidance during project planning, construction, startup, commissioning, and validation activities.
• Perform engineering calculations, including static and dynamic load analyses, energy balances, and process evaluations, as required.
• Develop and maintain Process and Instrumentation Diagrams (P&IDs) for new and existing systems using AutoCAD.
• Create and review site layouts, equipment layouts, and construction drawings utilizing AutoCAD.
• Develop and maintain 3D models and equipment designs using SOLIDWORKS.
• Produce detailed 2D and 3D drawings to support fabrication, installation, and construction activities.
• Develop and maintain project schedules using Microsoft Project and provide completion forecasts and status updates.
• Share technical knowledge, best practices, and project experience with Project Engineers and other team members, supporting skill development and team effectiveness.
• Contribute to the development and improvement of project management and engineering processes to enhance project execution and operational…