Proven Quality Inspection Expertise Since 2005
With years of experience (since 2005) in the oil, gas, and petrochemical industries, I have held key roles such as Technical Inspector and QC Manager at major plants and refineries across Iran. Currently based in Switzerland since 2017, I am open to serious freelance or project-based opportunities.
Ensuring Quality, Trust Guaranteed
With a strong commitment to precision and reliability, I deliver expert quality inspections in Switzerland, tailored to the high standards of the energy and industrial sectors. My work helps ensure safe, efficient, and successful project delivery across the region.
Expert Quality Assurance, Control and Independent Inspection
Providing professional freelance QA/QC and independent inspection services across a wide range of industries, including oil & gas, petrochemicals, manufacturing, construction, and more. Independent inspection services deliver transparent, accurate, and unbiased reporting, contributing significantly to enhanced trust and reliability. Available for serious, project-based or freelance engagements, including:
Welding, Fabrication & NDT Inspection
Ensuring weld quality and defect-free structures through professional inspections and testing. NDT Defects Analysis (VT, PT, MT, RTI) for Forgings, Casting, Weld, Wrought Product, Pipe & Tube.
Certified ASNT Level II: PT, MT, VT, RTI
Certified ISO 9712 Level II: PT, MT, VT
- WPS/PQR review, explanation & approval
- Supervision of fit-up & welding for pipes & equipment
- Welder Performance & Testing Supervision (WQT)
- Welding Inspection for Storage Tanks & high press. Vessel
- Examination for Post Weld Heat Treatment (PWHT)
- PWHT Graph Interpretation & Explanation
- Hardness Test Inspection
- Positive Material Identification (PMI)
- Visual Testing (VT)
- Penetrant Testing (PT)
- Magnetic Particle Testing (MT)
- Radiographic Testing (RT)
- Radiographic Testing / Film Interpretation (RTI)
Mechanical Inspection & Equipment Testing
Conducting inspections, Quality, dimensional control and measurements according to project specifications and client requirements.
- Visual, Dimensional & Tolerance Checks
- Performance Verification
- Dismantling & Assembly
- Visual, Dimensional & Tolerance Checks
- Vibration Measurement
- Alignment Verification
- Run out & Clearance Checks
- Bearings & Rotating Components Inspection
- Mechanical Run Test (MRT)
- Final Inspection & Factory Acceptance Test (FAT)
Piping & Pressure Equipment
- Hydrostatic, Pneumatic, Leak & Oil Testing
- Process Piping Systems Examination & Inspection
- Preparation and Supervision of Piping Packages
- Visual, Dimensional & Alignment Checks
Electrical Inspection
- Partial Discharge (PD) and High-Voltage Testing
- Insulation Resistance Measurement (IR)
- Earth / Grounding System Verification
- Functional Testing of Motors & Actuators
- Switchgear & Control Panel Inspection
Coating , Surface & Goods Inspection
- Sandblasting, Painting, and Coating Inspection
- Goods Inspection: Quality, Compliance & Specification
- Packing and Pre-shipment checking
QA/QC Documentation & Management
- Prepare inspection plans & test protocols
- Check & maintain inspection and test plan
- Review quality manuals, procedures & work instructions
- Ensuring quality assurance
- Ensure compliance with ISO std. & client requirements
- Compliance with Industry Standards & Client Requirements
- Compile technical Reports & documents
- Maintaining Thorough Documentation
- Customer consulting and technical support
- Track non-conformities & corrective actions
- Follow up on corrective actions closure
Decades of
Welding & NDT Expertise
Superior
Inspection Quality
Trusted
Project Support
Precision in Every
Technical Precision
“I am dedicated to providing dependable, accurate, and professional freelance support in every project I undertake, guided by responsibility, integrity, and a commitment to continuous growth.”
– Hamed Zakeri
Expert Quality Inspection Services Across Switzerland
Hear from clients who trust my expertise in quality inspections for oil, gas, and petrochemical projects.
Working with Hamed brought clarity and confidence to our inspection processes, truly invaluable.
Sophie Keller
Quality Assurance Engineer
His thorough inspections and prompt reporting significantly improved our operational reliability.
Luca Bianchi
Welding Specialist
Consistently delivered precise results, making Hamed an essential partner for our projects.
Emma Dubois
Inspection Coordinator
Expert Quality Inspection Services Provided
Find all essential contact information here, including location and email contacts, so you can quickly reach out for expert support or inquiries.
- Professional Projects: info@hamedzakeri.ch
- General Inquiries: hamedzakeri2002@yahoo.com
- Location: CH-6330 Cham, Zug, Switzerland
Committed to Quality, Backed by Precision
Precision, reliability, and professional standards supporting all subsequent certifications and reporting practices
ISO 9712 Certification
Certification for non-destructive testing personnel, confirming competency and compliance with international standards.
ASNT SNT-TC-1A Certification
Qualification and certification in accordance with the American Society for Non-destructive Testing recommended practice.
Professional Reporting
Reports prepared with accuracy and clarity, following best practices in technical documentation.