•Led bid document preparation for high-value projects, developing comprehensive techno-commercial offers and negotiating with key vendors for critical supplies, resulting in 10% cost savings and ensuring competitive pricing.•Collaborated with clients to gather, analyze, and document both functional and non-functional requirements. Coordinated with cross-functional teams (project managers, designers, finance) to design tailored solutions for RFP/RFI responses, ensuring 100% alignment with client expectations.•Performed Bill of Quantities (BOQ) optimization, conducting detailed cost estimation and aligning with project specifications. Achieved cost savings of 8% through vendor negotiations and BOQ revisions.•Conducted risk/market analysis to develop winning bids for large-scale projects, identifying potential risks and pricing strategies to ensure project success.•Utilized online platforms such as CPPP, GeM, and client-specific portals to streamline bid submissions, ensuring full compliance with regulatory requirements and achieving 100% on-time submissions for all bids.•Engaged in continuous client feedback loops, making necessary adjustments to proposed solutions and ensuring 90% client satisfaction throughout the project lifecycle.•Ensured the timely submission of compliant bids for various high-value projects, resulting in successful contract awards and increased business opportunities.•Led the design of complex civil and steel structures using Staad-pro software, ensuring optimal safety and structural integrity for structures.•Co-authored a research paper, “Interactive Design Automation Framework Using Large Language Models and Past Data,” exploring advanced automation frameworks for structural design processes.