Position: Process Technician (Parylene & Conformal Coating)

Experience: 4 to 10 Years

Qualification: Diploma / ITI / B.E. / B.Tech in Electronics, Electrical, Mechanical or relevant engineering discipline

Work Location: Hyderabad

Job Summary:

We are looking for a skilled and hands-on Process Technician with experience in Parylene coating and conformal coating processes within an Electronics Manufacturing Services (EMS) environment.

The candidate will be responsible for operating, setting up, monitoring, and maintaining Parylene CVD coating equipment and conformal coating machines to ensure consistent coating quality and production output.

The role involves machine setup, recipe selection, parameter setting, equipment operation, process monitoring, basic troubleshooting, defect identification, and production support while ensuring compliance with quality standards, safety requirements, and established work instructions.

Key Responsibilities

A. Parylene Coating Process Operation

- Operate and monitor Parylene coating equipment based on approved process specifications and work instructions.
- Perform machine loading and unloading, chamber cleaning, and preparation of PCB assemblies for coating.
- Set and monitor process parameters such as:
- Vacuum level.
- Pyrolysis temperature.
- Deposition temperature.
- Deposition time and rate.
- Coating thickness.

- Handle Parylene precursor material and consumables as per safety procedures.
- Monitor coating cycle conditions and ensure consistent process execution.
- Perform routine chamber cleaning and maintenance activities.
- Check coating thickness and uniformity using approved measurement methods.
- Identify and report coating defects such as poor adhesion, uneven coating, contamination, pinholes, and incomplete coverage.
- Maintain equipment and process records for every production batch.

B. Conformal Coating Process Operation

- Operate manual and selective conformal coating systems.
- Handle coating materials such as:
- Acrylic.
- Silicone.
- Urethane.

- Perform coating preparation, material loading, mixing (where applicable), and viscosity checks as per specifications.
- Operate and monitor selective coating machines such as Nordson / ASYMTEK or equivalent systems.
- Select approved machine programs and recipes based on product requirements.
- Perform basic program adjustments under engineering guidance.
- Ensure correct coating coverage, thickness, and selective application areas.
- Monitor coating defects such as:

- Bubbling.
- Delamination.
- Bridging / webbing.
- Poor coverage.




- Excessive coating.
- Contamination.

- Maintain proper masking, fixturing, and PCB handling practices.

C. Curing & Post-Coating Operations

- Operate curing ovens and UV curing systems as per approved process parameters.
- Monitor curing temperature, time, and other applicable process settings.
- Ensure proper loading and unloading of PCB assemblies.
- Verify coating condition after curing.
- Perform visual inspection of coated assemblies and identify abnormalities.
- Ensure proper handling and storage of coated PCB assemblies.

D. Machine Setup & Maintenance

- Perform daily machine startup and shutdown activities.
- Carry out equipment setup, cleaning, and routine maintenance.
- Check dispensing nozzles, spray heads, valves, filters, and material delivery systems.
- Monitor equipment alarms and report abnormalities.
- Support preventive maintenance and calibration activities.
- Maintain machine cleanliness and ensure equipment readiness for production.
- Coordinate with Maintenance and Engineering teams for equipment breakdowns and technical issues.

E. Quality Control & Defect Identification

- Perform visual inspection of coated PCB assemblies as per approved inspection criteria.
- Verify coating coverage, thickness, uniformity, and curing quality.
- Identify and segregate defective products.
- Follow applicable IPC-CC-830 and customer-specific coating requirements.
- Ensure compliance with ESD, cleanroom, and contamination-control practices.
- Support Quality teams during inspections, audits, and process investigations.
- Maintain product traceability and inspection records.

F. Production Support & Process Control

- Execute daily production plans as per approved schedules.
- Ensure correct material, machine program, and process parameters are used for each product.
- Monitor process performance and report deviations to the Process Engineer / Supervisor.
- Minimize material wastage and equipment downtime.
- Follow FIFO and material shelf-life requirements.
- Support engineering trials, sample builds, and current product introduction activities.
- Coordinate with Production, Quality, and Maintenance teams for smooth operations.

G.



Documentation & Safety

- Maintain production records, machine logs, batch records, and material consumption records.
- Follow SOPs, work instructions, and process control sheets.
- Record process parameters and deviations accurately.
- Follow chemical handling, PPE, ventilation, and EHS requirements.
- Ensure safe handling and disposal of coating chemicals and consumables.
- Maintain workplace cleanliness and follow 5S practices.

Required Technical Skills & Competencies

Technical Skills:

- Hands-on experience in Parylene coating equipment operation (CVD process).
- Knowledge of Parylene coating process parameters and equipment operation.
- Experience in manual or selective conformal coating processes.
- Basic knowledge of Acrylic, Silicone, and Urethane coating materials.
- Experience operating selective coating machines (Nordson / ASYMTEK or equivalent).
- Knowledge of curing ovens and UV curing systems.
- Understanding of PCB assembly and handling procedures.
- Ability to identify common coating defects and process abnormalities.
- Basic knowledge of coating thickness measurement and visual inspection.
- Understanding of ESD, cleanroom, and chemical safety practices.
- Basic computer skills for machine operation and production documentation.

Educational Qualification & Experience

- Diploma / ITI / B.E. / B.Tech in Electronics, Electrical, Mechanical, or relevant engineering discipline.
- 4 to 10 years of experience in EMS / PCB assembly manufacturing.
- Hands-on experience in Parylene coating and/or conformal coating operations.
- Experience with automated coating equipment will be preferred.
- Candidates with practical experience in Parylene CVD equipment operation will receive preference.

Interested candidates can share their resumes with [email protected]

Role: Process Engineer, Industry Type: Electronics Manufacturing (Electronic Manufacturing Services (EMS)), Department: Production, Manufacturing & Engineering, Employment Type: Full Time, Permanent Role Category: Engineering Education UG: B.Tech / B.E. in Electronics and Communication Engineering (ECE), Electrical and Electronics Engineering (EEE), Electronics, Diploma in Electronics And Communication Engineering, Electronics read more

Key Skills Skills highlighted with ‘‘ are preferred keyskills Process EngineeringParylene coatingConformal Coating Manufacturing EngineeringIndustrial EngineeringMethods EngineeringLean ManufacturingProductivity ImprovementMethod Study

📌 Process Technician - Parylene & Conformal Coating (Hyderabad)
🏢 Cyient
📍 Hyderabad