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Build the Future of Clean Energy
Join India's leading Bio-CNG infrastructure company and be part of the renewable energy revolution. We're looking for passionate individuals who want to make a real impact.
500+ Team Members
14 States
Why Work at Gruner
At Gruner, we're not just building Bio-CNG plants — we're building a sustainable future. Join a team of innovators, engineers, and changemakers who are passionate about clean energy and making a positive impact on the environment and rural communities.
Innovation First
Work with cutting-edge German technology and drive innovation in renewable energy.
Real Impact
Your work directly contributes to reducing carbon emissions and empowering farmers.
Fast Growth
Join a rapidly scaling company with significant career advancement opportunities.
Great Team
Collaborate with experienced professionals in a supportive, inclusive environment.
Open Positions
Find your next opportunity at Gruner
O&M
Operator
Location: Yavatmal, Ambedkar Nagar, Navsari, Vijaywada, Solapur, Kurkumb, Dhenkanal, Rajahmundary, Prakasam, Lasanpur
Job Description:
We are seeking a dedicated and safety-conscious Operator to manage day-to-day plant operations. The Operator will be responsible for executing field operations in alignment with established Standard Operating Procedures (SOPs), ensuring safety compliance, and maintaining operational efficiency. This role involves close coordination with the Panel Operator and Shift Engineer to ensure seamless plant functionality.
Key Responsibilities:
✅ Execute daily operational tasks in the field as per defined SOPs.
✅ Monitor equipment and process parameters to ensure smooth functioning.
✅ Ensure adherence to safety protocols and company policies at all times.
✅ Assist in troubleshooting and resolving operational issues.
✅ Coordinate with the Panel Operator and Shift Engineer for efficient plant operations.
✅ Participate in regular safety drills and training programs.
✅ Report any equipment anomalies or unsafe conditions immediately.
Interested candidates can apply at:
Join us in driving the future of sustainable energy. Be a part of a growing team committed to innovation, safety, and environmental impact.
Requirements:
Apply Now
Preferred Qualifications & Skills:
✅ ITI/Diploma in Mechanical /Electrical /Chemical or relevant field.
✅ 1–3 years of experience in plant operations preferably in energy gas or process industries.
✅ Strong understanding of plant safety and operational procedures.
✅ Ability to work in shifts and under field conditions.
✅ Good communication and teamwork skills.
O&M
Shift Engineer
Location
Yavatmal, Ambedkar Nagar, Navsari, Vijaywada, Solapur, Kurkumb, Dhenkanal, Rajahmundary, Prakasam, Lasanpur, Vadodra
Job Description :
We are looking for a skilled and responsible Shift Engineer – Operation & Maintenance to oversee the operations of our Biogas Plant during assigned shifts. The ideal candidate will ensure smooth plant functioning, adherence to safety standards/SOPs, and timely troubleshooting of any operational issues.
Key Responsibilities:
✅ Supervise and monitor all plant operations during the shift to ensure safety, efficiency, and SOP compliance.
✅ Coordinate with field operators and panel operators for seamless execution of operations.
✅ Identify and resolve operational abnormalities and equipment faults promptly.
✅ Maintain records of process parameters and logbooks.
✅ Ensure preventive and routine maintenance activities are carried out as per the maintenance plan.
✅ Implement safety practices and participate in safety drills and audits.
✅ Liaise with the maintenance team and escalate unresolved issues appropriately.
📩 Interested candidates can apply at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills:
✅ Diploma/Degree in Mechanical/Electrical/ Chemical Engineering or a related field.
✅ 3–5 years of experience in shift operations preferably in Biogas/ Bio-CNG or process plants.
✅ Strong troubleshooting skills and technical knowledge of plant systems and equipment.
✅ Excellent leadership and communication skills.
✅ Willingness to work in rotating shifts and under field conditions.
O&M
Plant Manager
Location
Navsari, Dhenkanal, Ambedkar Nagar, Vadodra
We are looking for an experienced Plant Manager – O&M to manage day-to-day operations and maintenance of our Bio-CNG plants.
The role involves ensuring smooth plant performance, maintaining safety standards, managing the team, and optimizing plant efficiency within the given budget.
Key Responsibilities :
✅ Manage the overall operation and maintenance of the Bio-CNG plant.
✅ Lead and guide engineers, operators, and technicians.
✅ Monitor plant performance and ensure achievement of KPIs.
✅ Control OPEX budget and suggest cost-saving measures.
✅ Ensure equipment uptime through proper maintenance.
✅ Maintain good client relationships and attend review meetings.
✅ Ensure HSE standards and compliance are followed.
📩 Interested candidates can share their CVs at: -
Requirements:
Apply Now
Preferred Qualifications & Skills:
✅ B.E./B.Tech in Chemical/Process/ or Mechanical Engineering.
✅ 12+ years of total experience with at least 8 years in O&M.
✅ Good leadership and communication skills.
✅ Knowledge of O&M software and MS Office.
✅ Experience in Oil & Gas or Waste Management (preferred).
Project
General Manager - Mechanical
Location
Noida HO
We are looking for an experienced Mechanical Design & Engineering professional to lead mechanical design, engineering, and project execution activities from concept through commissioning.
Key Responsibility-
✅Lead mechanical design, engineering, and execution of projects from concept to commissioning
✅Prepare and review mechanical designs, calculations, drawings, and specifications
✅Ensure compliance with applicable codes, standards, and client specifications
✅Coordinate with cross-functional teams including electrical, instrumentation, civil, and project management
✅Review vendor drawings, technical documents, and perform technical bid evaluations
✅Provide technical guidance and mentoring to junior and mid-level engineers
✅Support project planning, cost estimation, scheduling, and risk assessments
✅Identify design improvements, cost optimization opportunities, and value engineering initiatives
✅Participate in design reviews, HAZOP/HAZID, and technical audits
✅Ensure adherence to safety, quality, and regulatory requirements throughout project execution
📩 Interested candidates can apply at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills:
✅12 - 20 years of experience in Piping /Pipeline/ Stainless pipes/ Tubing/ CNG/ NDT/ Execution and project Management with CBG/ EPC/ CGT/ Refinery/Petrochemical.
O&M And Project
Mechanical Engineer
Location
Yavatmal, Ambedkar Nagar, Navsari, Vijaywada, Solapur, Kurkumb, Dhenkanal, Rajahmundary, Prakasam
We are looking for an experienced Mechanical Design & Engineering professional to lead mechanical design, engineering, and project execution activities from concept through commissioning.
Key Responsibility:
✅Lead mechanical design, engineering, and execution of projects from concept to commissioning
✅Prepare and review mechanical designs, calculations, drawings, and specifications
✅Ensure compliance with applicable codes, standards, and client specifications
✅Coordinate with cross-functional teams including electrical, instrumentation, civil, and project management
✅Review vendor drawings, technical documents, and perform technical bid evaluations
✅Provide technical guidance and mentoring to junior and mid-level engineers
✅Support project planning, cost estimation, scheduling, and risk assessments
✅Identify design improvements, cost optimization opportunities, and value engineering initiatives
✅Participate in design reviews, HAZOP/HAZID, and technical audits
✅Ensure adherence to safety, quality, and regulatory requirements throughout project execution
📩 Interested candidates can apply at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills:
✅10-12 years of experience in Piping /Pipeline/ Stainless pipes/ Tubing/ CNG/ NDT/ Execution and project Management with CBG/ EPC/ CGT/ Refinery/Petrochemical.
O&M
E&I Engineer
Location
Yavatmal, Ambedkar Nagar, Navsari, Vijaywada, Solapur, Kurkumb, Dhenkanal, Rajahmundary, Prakasam, Lasanpur, Noida-HO, Satna
We are seeking an experienced Instrumentation Engineer with 6-7 years of hands-on experience in industrial process plants to join our team. The ideal candidate will possess strong troubleshooting capabilities, technical expertise in control systems, and a collaborative approach to supporting plant operations.
Key Responsibilities:
✅Perform troubleshooting and maintenance of instrumentation and control systems in process plant environments
✅ Diagnose and resolve PLC-related issues to ensure minimal downtime and optimal system performance
✅ Provide technical support for commissioning activities and ongoing plant operations
✅ Collaborate with operations teams to understand process requirements and implement effective solutions
✅ Troubleshoot and maintain variable frequency drives (VFDs) and soft starters
✅ Ensure proper functioning of field instrumentation including pressure, flow, temperature, level transmitters, and on-off actuators
✅ Support integration and troubleshooting of various communication protocols within the plant network
✅ Participate in continuous improvement initiatives to enhance plant reliability and efficiency
Technical Skills:
✔️ Strong troubleshooting capabilities for instrumentation and control systems in process plants
✔️ Proficiency in PLC troubleshooting and diagnostics
✔️ Comprehensive knowledge of field instruments: pressure transmitters, flow meters, temperature sensors, level transmitters, and on-off actuators
✔️ Understanding of industrial communication protocols including Modbus TCP/IP, Modbus RTU, PROFINET, and PROFIBUS
✔️ Experience with drives systems including VFDs and soft starters
Professional Attributes:
✔️ Positive and cooperative attitude with strong team collaboration skills
✔️ Ability to work effectively with operations personnel to support plant performance
✔️ Strong problem-solving mindset with attention to detail
✔️ Excellent communication skills for coordinating with cross-functional teams
📩 Interested candidates can share their CV at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills
✅6-7 years of hands-on experience in instrumentation and control systems within process plant environments
✅ Proven track record in process plant commissioning and operations
O&M
Safety Officer
Location
Yavatmal, Ambedkar Nagar, Navsari, Vijaywada, Solapur, Kurkumb, Dhenkanal, Rajahmundary, Prakasam, Lasanpur,
We are looking for an experienced HSE/Safety professional responsible for ensuring a safe, compliant, and environmentally responsible workplace. The role will focus on implementing HSE standards, managing operational risks, ensuring regulatory compliance, and driving continuous improvement in safety practices.
Key Responsibility-
✅ Safety-related compliances: In-depth knowledge of relevant safety laws and regulations
✅ Technical understanding of operations: Familiarity with the specific technical aspects of the industry’s operations and maintenance
✅ Regulations and legal compliance: Ability to ensure adherence to all applicable legal and regulatory requirements
✅ HSE Assurance: Expertise in assuring health, safety, and environmental standards are met
✅ Risk Management Framework: Understanding and application of frameworks for managing risks in the workplace
✅ Fire Safety Management: Knowledge of protocols and practices for preventing and responding to fire hazards
✅ HSE Incident Investigation: Skills to conduct thorough investigations of safety incidents to identify root causes and prevent recurrence.
📩 Interested candidates can apply at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills:
✔ Safety-related qualification (Minimum 1 year full-time course is mandatory) or NEBOSH-IGC
✔ B.Tech – 1 year of experience
✔ Diploma (any engineering discipline) – Minimum 4 years of industrial work experience
✔ Science Graduate – Minimum 4 years of industrial work experience
✔ Any other graduation – Minimum 10 years of industrial work experience
✔ ITI – Minimum 10 years of industrial work experience
✔ 12th (any stream) – Minimum 10 years of industrial work experience
O&M
Lab Technician
Location
Yavatmal, Ambedkar Nagar, Navsari, Vijaywada, Solapur, Kurkumb, Dhenkanal, Rajahmundary, Prakasam, Lasanpur
We are looking for a passionate and detail-oriented Lab Technician to join our dynamic Research & Development team in the Bio-Gas/CBG industry. The selected candidate will be responsible for supporting scientific investigations, maintaining lab operations, and contributing to innovation in sustainable energy solutions.
Key Responsibilities-
✅Routine work related to aerobic and anaerobic microbial cultures.
✅Design and execute laboratory tests focusing on biomass and microbial activity.
✅Day-to-day lab management, including inventory control and equipment maintenance
✅Conduct experiments, ensure data integrity, and maintain accurate records
✅Report findings and collaborate closely with the Laboratory Manager
✅Ensure compliance with lab safety protocols and standards
📩 Interested candidates can apply at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills:
✅Hands-on experience in microbial culture techniques
✅Exposure to biomass testing and fermentation processes is preferred
✅Proficient in lab data documentation and analysis
✅Strong attention to detail and problem-solving abilities
✅Effective communication and organizational skills
Project Planning
Planning Engineer
We are seeking a detail-oriented and proactive Planning Engineer to join our team. The role will be responsible for developing, monitoring, and updating project schedules, ensuring alignment with contractual requirements, and supporting project delivery through effective planning and reporting.
Key Responsibilities
✅Develop and maintain project schedules using tools such as Primavera P6/MS Project.
✅Coordinate with project managers, engineers, and stakeholders to gather inputs and update schedules.
✅Monitor progress against baseline plans and highlight deviations with corrective action recommendations.
✅Prepare weekly/monthly progress reports, dashboards, and forecasts for management review.
✅Support resource planning, cost control, and risk analysis to ensure timely project delivery.
✅Ensure compliance with company standards, contractual obligations, and industry best practices.
✅Participate in project review meetings and provide planning insights to aid decision-making.
Preferred Attributes -
✔️ Experience in EPC/ construction/ infrastructure industry is preferred
✔️ Ability to work under pressure and manage multiple priorities.
✔️ Strong attention to detail and commitment to accuracy.
📩 Interested candidates can share their CV at:
🌍 Join our mission to lead the transition to clean energy through innovation and operational excellence.
Requirements:
Apply Now
Preferred Qualifications & Skills:
Bachelor’s degree in Civil/Mechanical/Electrical Engineering or related discipline.
3–7 years of experience in project planning and scheduling (experience range can be adjusted).
Proficiency in Primavera P6/ MS Project and Excel.
Strong analytical and problem-solving skills.
Excellent communication and coordination abilities across multicultural teams.
Knowledge of project management methodologies and industry standards (PMI/ AACE/ etc.).
O&M
Store Officer
Location -
Yavatmal, Vijaywada, Rajahmundary, Prakasam
We are seeking an experienced Stores & Inventory professional with 10+ years of experience in an EPC environment. The role will be responsible for managing end-to-end stores operations across project sites, ensuring efficient material handling, inventory control, and compliance with organizational and statutory requirements.
Key Responsibilities:
✅Oversee and manage stores operations for multiple project sites and Head Office.
✅Ensure proper receipt, inspection, storage, and issuance of materials as per project requirements.
✅Maintain accurate inventory records and ensure real-time updates in ERP systems.
✅Monitor stock levels, minimize excess inventory, and prevent stock-outs.
✅Implement inventory control techniques such as FIFO/FEFO and cycle counting.
✅Coordinate with procurement, project, and finance teams for material planning and reconciliation.
✅Ensure proper documentation (GRN, MRN, issue slips, stock registers, etc.).
✅Conduct periodic physical stock verification and resolve discrepancies.
✅Manage scrap, surplus, and obsolete materials efficiently.
✅Ensure compliance with safety standards and proper storage practices.
✅Lead, train, and manage the stores team across locations.
✅Prepare MIS reports on inventory, consumption, and stock movement.
✅Support audits (internal/external) and ensure adherence to company policies.
📩 Interested candidates can share their CVs at: -
Requirements:
Apply Now
Preferred Qualifications & Skills:
✔️ Bachelor’s degree in Engineering / Supply Chain / Logistics or related field.
✔️ 10+ years of experience in stores and inventory management within an EPC / infrastructure company.
✔️ Strong knowledge of ERP systems (SAP/Oracle or similar).
✔️ Good understanding of material management logistics and warehouse operations.
✔️ Experience in handling multi-location/project site stores.
✔️ Strong analytical organizational and leadership skills.
✔️ Knowledge of safety and compliance standards in warehouse operations.