At Paving+, we're not making paver blocks — we're building India's decarbonised construction material ecosystem. We turn plastic waste and industrial by-products into engineered, low-carbon materials that replace conventional cement, aggregates, and asphalt in roads, buildings, and infrastructure.
We're hiring a Material Scientist / R&D; Engineer to join our Kolkata lab and plant, working on mix design, formulation, and waste valorisation for our next generation of low-carbon construction materials — from DURACRETE (cement-reduction) to P-80 (materials made from ~80% plastic waste, zero virgin aggregate).
What you'll do:
Design and optimise concrete/composite formulations using plastic waste, fly ash, GGBS, and other industrial by-products
Run mechanical, durability, and material characterization testing and translate results into formulation improvements
Support scale-up of lab-validated mixes into pilot and full production batches with the factory and QC teams
Evaluate incoming waste streams for suitability as raw material inputs




Maintain rigorous experiment records and testing documentation
Ensure formulations meet relevant IS/ASTM/BIS standards
What we're looking for:
2–6 years in material science, concrete technology, polymer science, or construction materials R&D;
Bachelor's/Master's in Civil, Material Science, Chemical, or Ceramic Engineering (or related)
Hands-on experience with concrete/mix design, admixtures, or SCMs (fly ash, GGBS, slag)
Comfortable working across both lab and live production environments
Solid experimental discipline and data documentation habits
Nice to have:
Exposure to plastic waste modification, geopolymer technology, or UHPC
Experience with industrial waste streams (slag, ceramic waste, stone/marble dust)
Interest in sustainability, circular economy, or ESG-linked material development

Join us if you want your material science work to have a direct, measurable climate impact — every formulation you improve reduces cement usage, diver

📌 Material Scientist (Kolkata)
🏢 Paving+
📍 Kolkata