Careers at JST Group
Join Southeast Asia's leading integrated services group. We are always looking for talented people to grow with us.
Lab Engineer
• More than 1 years working experience, • Bachelor's degree • Be able to communicate with English in in daily work, Experience working on maintenance work of Directional Drilling (DD)& Measurement While Drilling (MWD)& Logging While Drilling (LWD) equipment • Understanding Directional Drilling (DD)& Measurement While Drilling (MWD)& Logging While Drilling (LWD) basic knowledge.
Coordinator/Senior Engineer
• More than 3 year working experience • Diploma Degree or above • Be able to communicate with English in in daily Work • Understanding for the formula of wireline logging and directional drilling, can coordinates operations, validates job plans, allocates resources, and provides senior-level technical support. • Acts as the main interface between field operations, clients, and support functions.
Lead Directional Drilling (Lead DD)
• 15+ years of overall industry and rig-site experience. • At least 7 years specifically as a directional driller, with solid mud-motor experience. • Experience across in fast-paced drilling operations are preferred. • Valid BOSIET-T. Key Responsibilities • Direct and execute directional drilling operations to steer the wellbore per the approved trajectory. • Operate and monitor mud-motor/rotary-steerable assemblies, adjusting toolface and parameters in real time. • Lead the on-shift DD crew, overseeing safe BHA rig-up/rig-down and tool handling. • Work with MWD/LWD engineers to interpret survey and formation data for steering decisions. • Troubleshoot downhole tool issues to minimize non-productive time. • Maintain accurate drilling/survey logs and contribute to end-of-well reporting.
Radioactive Safety Officer
• More than 1 year working experience • Bachelor's degree • Be able to communicate with English in in daily Work • Responsible for control, storage, transportation, and regulatory compliance of radioactive sources used in logging operations. • Ensures radiation safety and documentation. • Candidates shall hold valid radioactive materials supervisor certifications and qualifications that fully comply with the relevant regulations and requirements of the Thai government authorities. • Prior experience in the petroleum and drilling sector will be an advantage
Wireline Logging Coordinator
We are looking for a candidate with demonstrated experience in the following areas: • Plan and oversee Wireline Logging Operations • Coordinate between Field, Client, and Drilling Team • Review Job Plans and Technical Requirements • Manage personnel and equipment allocation, and troubleshoot operational issues
HSE Manager APAC - Field Service and Office
🚀 We are Hiring: HSE Manager APAC – Field Service & Office 🚀 Are you a strategic safety leader with a proven track record of driving a world-class HSE culture across the Asia-Pacific region? Do you excel at protecting both mobile field service forces and corporate office teams? We are seeking an experienced HSE Manager APAC to spearhead our regional HSE strategy, lead a talented team of safety professionals, and partner closely with operational senior leadership. 🌟 Key Responsibilities • Strategic Leadership: Define regional HSE priorities, targets, and improvement initiatives while leading regional/functional HSE strategy for both Field Service Engineers and Corporate Offices in APAC. • Team & Resource Management: Manage, mentor, and provide performance oversight to local HSE managers and senior specialists. Control departmental resources and shape policy within your area of responsibility. • Operational Partnership: Partner directly with senior operations leadership to seamlessly embed HSE practices into daily, real-world business activities. • Governance & Compliance: Oversee comprehensive compliance frameworks, audits, and corrective action programs. Ensure rigid, consistent application of HSE governance and reporting metrics. • Risk & Incident Management: Analyze performance metrics to proactively identify risks. Guide teams through the resolution of complex incidents and high-level escalations. • Workforce Development: Support regional workforce planning and drive safety capability development across multiple business units. 🛠️ Required Skills & Abilities • Deep expertise in applying diverse HSE legislative frameworks within complex site and service environments. • Exceptional capabilities in change management, time allocation, priority setting, and fostering a proactive safety culture. • Strong, pragmatic problem-solving attitude with the ability to navigate corporate ambiguities. • Highly effective verbal and written communication skills to successfully engage and influence stakeholders across diverse cultures. 🎓 Education & Experience Criteria • Industry Background: Proven HSE management experience specifically dealing with Field Service (Installation/Commissioning) operations within multinational companies (MNCs). • Language: Fully fluent in written and spoken English (regional reporting standard). • Credentials: Possess globally recognized HSE qualifications (e.g., NEBOSH, OSHA, IOSH, or local country-equivalent certified safety professional licenses). • Influence: Strong presentation skills with a demonstrated ability to influence both hands-on operational technicians and C-level senior executives. • Clear understanding of industrial-specific risks and global safety best practices.
Manager - Account Department
Job duties -Established and setup full of accounting process and policies, and compliance in accordance with Thai regulations. -Handle full cycle accounting operation ensure accurate monthly, quarterly, and annually closing processes, consolidation package transparency and timely reporting and statutory submissions. -Prepare Financial statements compliant with TFRS-NPAE, Local GAAP, IFRS Monetary/Non-monetary, Deferred Tax, IFRS 16 Lease ROU and Transfer pricing (TP Local file). -Verify ensure accuracy of accounting transactions including GL, AP, AR, Inventory, OPEX/CAPEX, CIP, Depreciated. -Liaise closely with HQ Finance accounting on FX contract, forecasting, J-SOX and auditing matters. -Manage and control to ensure compliance with taxes law and taxes filling including VAT, PT.40, PP.30, PP.36, PND.54 and corporate taxes. -Coordinate with external auditor, banks and government authorities. -Maintain task in responsible to meet the deadline of monthly closing (within 3 business days). -Lead and develop a team of 5 accountants, fostering a high-performance culture. -Others as assigned by leader and/or superior. Benefits & Welfare: Welfare & Benefits (after pass 90 days probation) 1.Diligent: 500.-/month (if no late, no leave, no absence) 2.Group insurance: for IPD, accident 3.Medical fee: 30,000.-/year 4.Dental fee: 5,000.-/year 5.Spa or fitness or family medical: 6,000.-/year 6.Provident fund: 5%, 10% , 15% from basic salary (*Company contributed only 5%) 7.6 days annual leave for first 3 years, from year 4th will be 1 day additional (Maximum not over 12 days annual leave) 8.Annual health check 9.Company trip 10.New Year Party 11.Yearly Bonus (as per company’s decision), pay date on December – For new employee, must pass probation before payment bonus date. 12.Salary Increment (on January) – For new employee, must have working period over 6 months. {mean: entering the company before 1st of Jul
DESIGN ENGINEER (MECHANICAL / AUTOMATION SYSTEM)
Role Overview You will be responsible for designing, developing, and improving mechanical systems, fixtures and parts from concept through fabrication. You will be involved in machine assembly and FAT as well as providing engineering support onsite customer factory. You will work closely with cross-functional teams to deliver innovative, high-quality, and cost-effective engineering solutions to our clients. This role is required to be on customer’s site to troubleshoot issues, offer applicable solutions and present (and define) design drawings concept, to meet the customers’ needs. Key Responsibilities • Design automation machines, fixtures and related parts based on conceptual, and requirements provided by the customer using “Autodesk Inventor”. • Design detailed parts drawing and build BOM for fabrication and assembly. • Follow up on the schedule for the designed machines, fixtures and related parts with in-house production department, machines vendors and parts suppliers. • Complete all assigned tasks as delegated by the Head of Business and Engineering Solutions within the schedule given. • Maintain design project schedule by monitoring design progress, coordinate activities, and resolve foreseeable problems. • Control design project plan by reviewing specifications, plan, schedule changes and recommend changes when needed. • Work closely and co-ordinate with Project team and customer on-site. • Work closely with production team to recommend and resolve design issues during fabrication stage. • Conduct root cause analysis and implement design improvements. • Assists in equipment assembly, setup, troubleshooting and customer support. • Ensure designs comply with applicable engineering standards, safety requirements, and customer specifications. • Prepare Machine Operation Manual and documentation. • Identify opportunities for cost reduction, product/system design enhancement, and process improvement. Qualifications & Requirements • Degree in Mechanical/Mechatronics Engineering or above. • At least 3-5 years’ experience in this role. • Experience in Food Factory Automatic System (pick and place, conveyor, sensors, etc.) an added advantage. • Experience in Industrial Automation Machine Design, jigs and fixtures. • Proficient in 3D CAD software (“Autodesk Inventor” preferred). • Project management capability is an added advantage. • Familiar with manufacturing process and materials. • Visit customer’s site/factory when required for discussion and product/parts measurement. • Meet with customer to establish requirements for new or existing product/system design. • Good communication in Thai and English. • International work travelling may be required. Benefits & Welfare:
Mechanical Technician
Benefits & Welfare: Bonus Fixed 1 Month 5% Provident Fund Group Health Insurance SSO
Project Coordinator (6-month contract)
Job Responsibilities • Maintain and update project documentation, records, and databases to ensure accuracy and completeness. • Support the Project Manager in creating and maintaining projects in the ERP system, including raising and maintaining purchase orders, tracking and following up on purchase order status, raising change order quotations, and updating total sales revenue from additional change order and update estimated cost at completion (EAC). • Assist Sales/Project Managers in preparing and issuing Proforma Invoices and Tax Invoices according to project milestones. • Update and monitor delivery schedules for equipment shipments, track shipment status, and coordinate with PM and internal team to ensure on-time delivery • Understand global logistics processes and prepare basic shipping documentation (e.g., packing lists, commercial invoices, shipping instructions) in line with company and customer requirements. • Coordinating with PM & MBU located in EU and USA on intercompany PO, Invoice and shipping activities. • Weekly and Monthly reporting consolidation for PMO department. Job Requirement • Diploma or bachelor’s degree in business management, Logistics, International Business, or related field. • 5 years of relevant experience in a coordination or support role, preferably within an international business or project-based environment. • Business-level proficiency in English (written and spoken). • Having good service mind, Proactive, willing to learn, and open to taking on new responsibilities as needed. • Ability to work with and analyse data using tools such as Microsoft Excel and PowerPoint; experience with ERP systems is required. • Understand global logistics processes and basic shipping documents. • Strong analytical and problem-solving skills with a focus on accuracy and data integrity. • High attention to detail and strong follow-through. • Excellent organizational and time management skills, with the ability to handle multiple tasks and deadlines. • Effective communication and interpersonal skills, with the ability to work collaboratively across functions and cultures.
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