Senior Mechanical Engineer

Since 1890, Pfeiffer Vacuum has been shaping the vacuum industry with groundbreaking innovations. Every day, over 4,000 employees at 10 production sites and more than 20 sales and service companies worldwide give everything for our customers. With our comprehensive portfolio, we offer solutions for all types of vacuum applications. We are not only driven by highest quality standards. It is our vision to be the most sustainable and fastest growing market player in our industry to drive technology for a sustainable future.    
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Job summary

E2E has an exciting opportunity for a Senior Mechanical Engineer to join a growing team. We are a semiconductor manufacturing equipment supplier for cutting-edge AI technology with a strong commitment to quality, reliability, and operational excellence.

The Senior Mechanical Engineer is responsible for mechanical design, product development, supplier coordination, manufacturing support, and integration of complex electromechanical platforms. The role supports all relevant product stages from concept and design through prototyping, manufacturing, installation, testing, commissioning, and sustaining engineering activities.

This position requires extensive mechanical engineering knowledge, strong practical design judgement, structured documentation practices, and close collaboration with Electrical Engineering, Manufacturing Engineering, Supply Chain, suppliers, and customers. The ideal candidate possesses deep technical expertise, a hands-on mindset, strong English communication skills, and the ability to independently develop robust and manufacturable engineering solutions for complex technical challenges.

The Senior Mechanical Engineer remains an individual contributor position. The seniority of the role is based on depth of experience, technical knowledge, independent problem-solving capability, and ability to guide technical decisions through expertise rather than through formal management authority

Key Responsibilities

• Develop and maintain mechanical designs for platforms, subsystems, modules, fixtures, and related assemblies.
• Perform full lifecycle mechanical engineering activities including design, development, prototype support, manufacturing support, implementation, installation, commissioning, and sustaining support.
• Independently drive complex mechanical design tasks, technical investigations, and engineering problem-solving activities with limited supervision.
• Serve as a subject matter expert for mechanical design, integration, manufacturability, and reliability topics within assigned projects.
• Create, review, and update mechanical drawings, 3D models, design specifications, technical reports, build documentation, and operational manuals.
• Review and approve mechanical design concepts, calculations, drawings, and technical documentation when requested within assigned scope.
• Lead or support technical root cause investigations related to mechanical failures, reliability concerns, manufacturability issues, supplier issues, and field problems.
• Support design for manufacturability, assembly, serviceability, quality, reliability, maintainability, and lifecycle performance of mechanical systems.
• Conduct and support design reviews, technical risk reviews, tolerance checks, mechanical feasibility assessments, and design verification activities.
• Support computer simulations, calculations, tolerance analyses, and practical evaluations to verify and improve mechanical designs where applicable.
• Coordinate with Manufacturing Engineering, Electrical Engineering, Supply Chain, and suppliers to align design intent, material requirements, build execution, quality expectations, and technical issue resolution.
• Support prototype build, platform integration, final assembly, and test activities by resolving mechanical design, fitment, interface, or performance issues.
• Drive technical closure of complex supplier and manufacturing issues related to mechanical parts, fabricated components, weldments, tubing, valves, frames, panels, fixtures, and other mechanical deliverables.
• Review supplier feedback, nonconformities, rework needs, corrective actions, and improvement opportunities related to mechanical parts and assemblies.
• Support first article inspections, incoming inspections, and technical acceptance of mechanical parts and assemblies.
• Ensure mechanical designs and related documentation comply with applicable safety, environmental, quality, and company requirements.
• Contribute to continuous improvement of mechanical design standards, workmanship expectations, supplier instructions, and mechanical build practices.
• Support change management activities by assessing mechanical impact, updating documentation, and coordinating implementation on affected platforms or assemblies.
• Support junior or less experienced engineers through technical mentoring, design review input, and knowledge sharing when required.
• Maintain clear handshakes with task owners to ensure responsibilities, deliverables, technical risks, and open issues are understood and followed through.

Functional Knowledge

• Expert understanding of mechanical engineering principles, mechanical design, and electromechanical integrated systems.
• Expert proficiency in CAD tools and 3D design programs such as SolidWorks, NX, AutoCAD, or equivalent.
• Deep understanding of manufacturing operations, assembly processes, mechanical fabrication methods, and supplier manufacturing capabilities.
• Strong knowledge of design for manufacturability, design for assembly, tolerance management, material selection, mechanical documentation standards, and design verification practices.
• Strong understanding of system interfaces, platform-level integration, mechanical risk management, reliability considerations, and practical serviceability requirements.
• Familiarity with valves, tubing, welded structures, machined parts, sheet metal, frames, panels, brackets, fixtures, vacuum systems, and fluid handling systems is preferred.
• Awareness of quality standards, safety requirements, environmental requirements, and workmanship expectations relevant to semiconductor equipment manufacturing.

Project Management

• Independently manages assigned engineering activities within project schedules and defined deliverables.
• Plans, prioritizes, and tracks assigned design, documentation, supplier, and integration activities.
• Coordinates technical activities with internal stakeholders and external suppliers to support project execution.
• Identifies technical risks, open issues, and blockers, and develops practical mitigation or recovery actions.
• Supports engineering planning through realistic effort estimation, priority setting, and clear communication of technical dependencies.
• Communicates status, risks, decisions, and recommendations clearly to the responsible project or engineering owner

Leadership

• Demonstrates technical leadership through knowledge, expertise, experience, and engineering judgement.
• Provides mentoring and coaching to less experienced engineers when required. Supports technical decision-making through analysis, data, experience, and engineering fundamentals.
• Acts as a role model for engineering quality, documentation discipline, practical problem solving, and ownership of assigned deliverables.
• Drives continuous improvement initiatives to improve engineering effectiveness, product reliability, manufacturability, and mechanical build quality.
• Takes ownership of assigned complex mechanical deliverables and drives them to closure without requiring constant follow-up.

Problem Solving and Strategic Thinking

• Solves highly complex technical challenges involving mechanical design, manufacturing, integration, reliability, supplier execution, and field performance.
• Uses structured analysis, practical engineering judgement, and technical experience to resolve mechanical design, fitment, integration, and manufacturability issues.
• Evaluates multiple technical solutions and recommends the most effective approach based on risk, cost, schedule, manufacturability, serviceability, and performance.
• Applies analytical thinking to improve mechanical reliability, assembly efficiency, cost, maintainability, and serviceability.
• Identifies recurring mechanical issues and proposes improvements to design rules, supplier instructions, work methods, and build practices.
• Anticipates technical risks before they impact project execution and supports mitigation planning.

Change Management

• Supports mechanical change requests, design updates, and implementation of approved engineering changes.
• Assesses the impact of mechanical changes on drawings, BOMs, suppliers, manufacturing, integration, testing, quality, cost, schedule, and serviceability.
• Maintains updated documentation to ensure mechanical changes are controlled, traceable, and correctly implemented.
• Supports technical communication of change impacts to relevant stakeholders

Influence

• Works collaboratively across Engineering, Manufacturing, Supply Chain, Quality, suppliers, and customers to align mechanical solutions with business and project objectives.
• Influences technical outcomes through expertise, practical engineering judgement, clear communication, and credibility rather than formal management authority.
• Supports alignment between design intent, manufacturing capability, supplier execution, and customer expectations.
• Translates complex mechanical design requirements into clear supplier and manufacturing expectations.

Interpersonal Skills

• Clear and assertive communicator with the ability to explain mechanical topics to technical and non-technical stakeholders
• Collaborative mindset, supporting strong working relationships with cross-functional teams and external suppliers.
• Able to manage technical discussions, supplier feedback, design concerns, and open issues constructively under schedule pressure.
• Adaptable and resilient in fast-paced environments, maintaining focus during complex design, supplier, and integration challenges.
• Proactive problem-solver who engages stakeholders constructively to reach practical and timely solutions.
• Able to provide technical guidance without taking over formal management responsibility.
• Able to clearly handshake each task with the task owners.

Finance

• Understands mechanical cost drivers such as material selection, machining complexity, fabrication method, tooling, rework, supplier execution, lifecycle serviceability, and design complexity.
• Contributes to cost-conscious design decisions without compromising safety, quality, reliability, or functional performance.
• Supports cost reduction initiatives through design optimization, manufacturability improvements, and supplier engagement

Business Expertise

• Understands the importance of mechanical design quality, manufacturability, supplier execution, and integration readiness for on-time delivery and customer satisfaction.
• Anticipates mechanical engineering and manufacturing challenges and recommends practical improvements.
• Understands how engineering decisions affect delivery, product reliability, supplier execution, serviceability, cost, and customer confidence.
• Supports the development of robust engineering practices that enable reliable semiconductor equipment delivery.

Additional Qualifications

• Minimum; Bachelor’s Degree required in Mechanical Engineering or a related technical field.
• Proficiency with CAD, CAM, and 3D design programs such as AutoCAD, SolidWorks, NX, or equivalent.
• Experience with mechanical design for complex electromechanical platforms, automation systems, semiconductor equipment, industrial machinery, vacuum systems, or fluid handling systems is strongly preferred.
• Experience supporting both development and manufacturing organizations is preferred.
• Experience working directly with manufacturing suppliers and external customers is preferred.
• Coursework or experience in valve, tubing, welded structure, precision mechanical design, machined parts, sheet metal, or equipment platform design is preferred.
• Demonstrated ability to independently resolve complex engineering and supplier related issues.
• English communication is required.
• 10+ years of experience as a Mechanical Engineer or in a comparable mechanical engineering role.
• Demonstrated experience developing, supporting, and integrating complex mechanical or electromechanical systems.
• Proven experience supporting manufacturing, supplier coordination, integration, and technical issue resolution
• Travel: Occasional supplier and customer-related travel as required

Your benefits

• Schedule: Monday – Friday (08:30 – 16:30) with hybrid option to WFH 4 days/month.
• Employee shuttle service from HCMC.
• 14 days annual leave + 1 fully paid day off for Christmas.
• Premium healthcare insurance package.
• In-depth health check package
• Modern pantry with free coffee.
• On-site sports & entertainment (badminton, table tennis, pickleball, football, foosball, darts...)
• Birthday gift/ celebrations.
• Free lunch provided in air-conditioned canteen.
• Competitive salary aligned with market standards.
• 100% salary payment during the probation period.

• Social Insurance contributions paid on the full gross salary from probation period time.

• • Monthly KPI bonus, lucky money, 13th-month bonus, and annual performance bonus tied to company performance.
• Childcare allowance.
• Continuous learning with in-house training and an annual budget dedicated to your external skill development.
• A friendly, collaborative international environment with annual team-building trips and Year-End parties.

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All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

Requisition ID: 3329