Siti Wijaya
siti.wijaya@email.com | +62-812-4567-8901 | Jalan Merdeka No. 42, Jakarta Selatan 12345 | linkedin.com/in/sitiwijaya

PROFESSIONAL SUMMARY

Results-driven Mechanical Engineer with over 8 years of experience specializing in HVAC design, installation, and service delivery. Proven expertise in designing energy-efficient heating, ventilation, and air conditioning systems for commercial and residential applications. Strong background in project management, client relations, and technical troubleshooting. Committed to delivering high-quality solutions that ensure customer satisfaction and regulatory compliance.

PROFESSIONAL EXPERIENCE

Mechanical Engineer HVAC Design/Service
PT Thermal Solutions Indonesia, Jakarta
March 2020 – Present

• Design and engineer HVAC systems for commercial buildings, including load calculations, equipment selection, and ductwork layout, resulting in 15% average energy cost reduction for clients
• Manage multiple concurrent projects from concept through completion, coordinating with contractors, architects, and building owners to ensure on-time delivery within budget constraints
• Conduct site assessments and troubleshooting for existing HVAC systems, identifying performance issues and recommending cost-effective solutions that improved system efficiency by up to 25%
• Develop comprehensive documentation including technical specifications, operation manuals, and maintenance schedules for all installed systems
• Ensure all designs comply with local building codes, energy regulations, and industry standards (ASHRAE, IMC)
• Provide technical support and training to service technicians and contractors on system operation and preventive maintenance procedures

HVAC Project Engineer
Mitra Teknik Sejahtera, Surabaya
June 2017 – February 2020

• Designed heating and cooling systems for 30+ commercial projects including office buildings, retail spaces, and industrial facilities
• Collaborated with sales and marketing teams to prepare technical proposals and cost estimates for prospective clients, contributing to 20% increase in contract awards
• Performed load calculations and system sizing using industry-standard software to optimize equipment selection and energy performance
• Supervised installation teams and conducted quality inspections to verify compliance with design specifications and safety regulations
• Implemented process improvement initiatives that reduced project completion time by 12% while maintaining quality standards
• Maintained strong client relationships through effective communication and responsive customer service throughout project lifecycle

HVAC Design Technician
Teknologi Iklim Nusantara, Bandung
August 2015 – May 2017

• Assisted senior engineers in developing HVAC designs and technical drawings for residential and light commercial applications
• Conducted field measurements and prepared as-built documentation for existing mechanical systems
• Supported service department by diagnosing equipment malfunctions and recommending repair or replacement solutions
• Participated in preventive maintenance program development, creating inspection checklists and service schedules
• Coordinated with vendors and contractors to ensure timely equipment delivery and installation

Junior Mechanical Engineer
Solusi Mekanik Terpadu, Jakarta
January 2014 – July 2015

• Supported design team in preparing HVAC system layouts and equipment schedules for building projects
• Performed basic load calculations and assisted in equipment selection under supervision of senior engineers
• Reviewed contractor submittals and shop drawings for compliance with project specifications
• Participated in site visits to observe installation progress and identify potential design conflicts

EDUCATION

Bachelor of Science in Mechanical Engineering
Institut Teknologi Pembangunan Indonesia, Yogyakarta
Graduated: May 2013

Relevant Coursework: Thermodynamics, Fluid Mechanics, Heat Transfer, HVAC System Design, Building Energy Systems

CERTIFICATIONS & LICENSES

• Professional Engineer (PE) License – Mechanical, Indonesia
• LEED Green Associate
• EPA Section 608 Certification – Universal
• OSHA 30-Hour Construction Safety

TECHNICAL SKILLS

HVAC Design & Analysis: Load calculations, system design, equipment selection, ductwork design, energy modeling
Software: AutoCAD, Revit MEP, Carrier HAP, Trane TRACE 700, Bluebeam Revu
Systems: Air conditioning, heating systems, ventilation, building automation systems
Project Management: Scheduling, budgeting, contractor coordination, quality control
Service & Maintenance: Troubleshooting, preventive maintenance, system commissioning, performance optimization
Codes & Standards: ASHRAE standards, International Mechanical Code, local building regulations

PROFESSIONAL AFFILIATIONS

• American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
• American Society of Mechanical Engineers (ASME)

ADDITIONAL SKILLS

• Strong written and verbal communication skills with ability to explain technical concepts to non-technical stakeholders
• Proven track record in customer satisfaction and service delivery
• Experience with sales support and technical marketing for engineering services
• Proficient in developing policies and procedures for maintenance operations