Dhiraj Kumar Singh
KUMAR
Bhagalpur,Bihar
Work Preference
Summary
Seeking a responsible and challenging position in a leading organization where my professional expertise in mechanical engineering, maintenance management, and utility commissioning will contribute to the growth of the organization and further enhance my career development.
Overview
11
11
years of professional experience
4
4
Certifications
Work History
Mechanical Engineer
Mingyan Steel
Myingyan
05.2025 - Current
- Lead the erection and commissioning of the Water Treatment Plant (WTP) for the Hot Steckel Mill Project, ensuring adherence to quality, safety, and efficiency standards.
- Oversee the installation and commissioning of chemical dosing, clarification, filtration, softening, and demineralization systems for uninterrupted water supply.
- Coordinate with design and engineering teams to ensure compliance with water quality standards and design specifications.
- Supervise the installation of key equipment such as pumps, filters, membranes, and reverse osmosis units.
- Perform testing and calibration of water treatment systems to meet operational needs.
- Manage the integration of WTP systems with other utilities such as cooling systems, boiler feed water, and process water.
- Lead commissioning activities, including water quality checks, flow testing, and system optimization for improved plant efficiency.
- Troubleshoot and manage maintenance during commissioning to ensure reliability and minimize downtime.
- Ensure compliance with safety standards, especially in chemical handling and waste disposal.
- Coordinate with local teams, contractors, and suppliers for timely delivery and installation of equipment.
- Document all phases of the installation, commissioning, and testing processes for future reference and project reports.
- Key Achievements:
- Successfully managed the commissioning of the WTP, ensuring the system was operational within the project deadline.
- Enhanced water treatment efficiency by 100% through optimized integration with the Hot Steckel Mill.
- Reduced downtime during commissioning by 100% through proactive troubleshooting and effective team collaboration.
- Skills Utilized:
- Water Treatment Systems (Demineralization, Softening, Reverse Osmosis)
- Erection and Commissioning of Industrial Equipment
- Project Management (Installation, Scheduling, Resource Management)
- System Integration (WTP with other mill utilities)
- Troubleshooting and Preventive Maintenance
- Quality Control and Testing
- Safety and Compliance Management
Assistant Manager, Utility & Maintenance
Aarti Strips (P) Limited
11.2019 - 04.2025
- Led the Galvalume Project (Mass Rollpro), managing commissioning and installation activities.
- Managed the erection of systems such as Acid Regeneration Plant (ARP), Fluidized Bed, CRM, Pickling, and Annealing Plants.
- Successfully installed and commissioned DM plants, softener plants, and ETP plants.
- Managed the installation and maintenance of Hydrogen (80nm³/hr), Nitrogen plants (350nm³/hr), and a Compressor house (7000cfm).
- Gained hands-on experience with rotodynamic machines (turbine, compressor, diffuser, pump).
- Managed pipeline layout and maintenance across various plant sections.
- Led preventive maintenance and troubleshooting efforts to minimize downtime and enhance system performance.
Senior Maintenance Engineer
Saraswati Techinfra Pvt. Ltd.
06.2018 - 11.2019
- Led the maintenance and repair of critical refinery equipment, including rotating machinery, pumps, compressors (centrifugal, screw, and reciprocating), and cooling systems.
- Performed mechanical seal maintenance for both hot and cool pump systems, ensuring leak-free and efficient operations.
- Executed overhaul and maintenance of steam turbines to optimize reliability and extend equipment lifecycle.
- Managed pit pump maintenance in the Sulphur Recovery Unit (SRU), ensuring continuous and safe operation.
- Conducted routine and preventive maintenance of cooling towers and the water treatment plant to ensure environmental compliance and process efficiency.
- Implemented timely and cost-effective repair strategies to minimize downtime and maintain operational continuity.
Maintenance Engineer
Jagruti Technical Services Pvt. Ltd. (Whirlpool India)
11.2016 - 05.2018
- Responsible for maintaining HVAC and electrical systems in Whirlpool facilities.
- Conducted routine checks on production line machinery to minimize downtime and ensure smooth operations.
Tooling Engineer
SSF Plastics India Pvt. Ltd.
03.2015 - 10.2016
- Designed and manufactured moulds for plastic components.
- Operated CNC, milling, lathe, and grinding machines for precision manufacturing.
- Handled tool assembly and process parameter settings according to customer specifications.
Education
B. TECH - Mechanical Engineering
BIET Suri
01-2012
I.Sc - undefined
Sabour College
Sabour01-2006
Matriculation - undefined
High School
Sabour01-2004
Skills
Strong team management and interpersonal skills
Ability to work effectively under pressure and meet deadlines
Quick learner with a strong interest in exploring new technologies
Excellent client interaction and relationship management skills
HVAC/MEP design
Certification
Participation certificate in Kabaddi (Annual School Sports).
Training Projects Undertaken
- Durgapur Project Limited, Power Plant, 1 Month
- INDO Danish Tool Room, Jamshedpur, AutoCAD 2009, 17 Days
- Jindal Steel and Power Ltd., Bar Mill, 21 Days
Additional Qualifications Achievements Certifications
- Participation certificate in Kabaddi (Annual School Sports).
- Attended NCC Camp from Sahasra (Bihar).
- Bronze medal in 100m race at BIET Annual Sports (2009).
- Diploma certificate in Computer Education (2007-2008).
Timeline
Mechanical Engineer
Mingyan Steel
05.2025 - Current
Assistant Manager, Utility & Maintenance
Aarti Strips (P) Limited
11.2019 - 04.2025
Senior Maintenance Engineer
Saraswati Techinfra Pvt. Ltd.
06.2018 - 11.2019
Maintenance Engineer
Jagruti Technical Services Pvt. Ltd. (Whirlpool India)
11.2016 - 05.2018
Tooling Engineer
SSF Plastics India Pvt. Ltd.
03.2015 - 10.2016
I.Sc - undefined
Sabour College
Matriculation - undefined
High School
B. TECH - Mechanical Engineering
BIET Suri