Instrumentation Design Engineer

Post: Senior Instrumentation Design Engineer (Municipal Water & Wastewater Sector)

Location: Lower Parel, Mumbai, Maharashtra

Job Type: Full-time

Qualifications

• BE / B. Tech. or Master Degree in Instrumentation Engineering with experience of 7+ years.
• Experience of working in EPC / consultancy organization.

Job summary:

We are seeking a highly skilled and motivated Senior Instrumentation Design Engineer to join our municipal water and wastewater projects design team. The successful candidate will lead and contribute to the instrumentation design of Municipal water and wastewater treatment facilities, pumping stations, and distribution / collection networks. This role involves the full project lifecycle, from conceptual design and feasibility studies to detailed engineering, procurement support, and construction assistance. The ideal candidate will have extensive experience in the Municipal water/wastewater sector and possess strong leadership and technical skills.

Key accountabilities:

Technical Design and Engineering:

• Experience to basic and detailed engineering of Instrumentation works.
• Lead and deliver detailed instrumentation design packages for water treatment plants, sewage treatment plants, and pumping stations.
• Act as discipline lead for instrumentation works within multidisciplinary teams (civil, process, mechanical, electrical).
• Prepare and review P&IDs, control narratives, instrument index, I/O lists, loop diagrams, cable block diagrams, Hookup diagrams and wiring schematics.
• Selection, sizing, and specification of field instruments: Flow (magnetic, ultrasonic, electromagnetic, venturi, etc.) • Level (ultrasonic, radar, DP type) • Pressure, temperature, and analytical instruments (pH, ORP, turbidity, residual chlorine, conductivity, DO, TOC, COD, Faecal-Coli, Total Phosphorous, Ammonia (NH-N), Nitrate (NO-N) / Nitrite (NO-N), Phosphate (PO), Sludge Volume Index (SVI) / Sludge Blanket Level, MLSS, SOx, UV Intensity / Transmittance (UVT), Gas analyzers Methane, CO, HS etc.)
  
• Develop instrument datasheets, specifications, BOQs, and material requisitions.
• Review and approve vendor/contractor submittals: datasheets, drawings, GA diagrams, calibration certificates, FAT procedures.
• Coordinate with clients, EPC contractors, OEM vendors, and regulatory authorities.
• Support technical bid evaluations, vendor meetings, and techno-commercial clarifications.
• Define control logic, cause & effect matrices, interlocks, and interface requirements.
• Design of PLC/RTU/SCADA systems, ensuring integration with electrical and process requirements.
• Ensure all designs comply with Indian Standards (IS, CPHEEO manuals, BIS codes, CEA regulations) and International Standards (IEC, ISA, ISO, BS, ASTM, NFPA, ATEX/IECEx for hazardous areas).
• Keep updated with latest revisions of IEC 61511 (Functional Safety), ISA-5 (P&ID), ISA-20 (datasheets), ISA-84 (SIS), and related codes.
• Apply design criteria aligned with client specifications, municipal authority guidelines, and international best practices.
• Review and approve FAT & SAT procedures for instruments, PLC/SCADA, and communication systems.
• Support resolution of field issues, design clarifications, and commissioning bottlenecks.
• Prepare and review design basis reports, specifications, datasheets, and design calculation notes.
• Ensure all deliverables align with ISO 9001 quality procedures and project-specific QMS.
• Ensure design incorporates safe installation practices, explosion-proof requirements (ATEX/IECEx), SIL-rated instruments where required.

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• Incorporate safety interlocks, alarms, and redundancy to improve plant safety and reliability.
• Participate in HAZOP/HAZID workshops representing instrumentation discipline.
• Conduct internal design reviews, value engineering, and ensure constructability of designs.
• Provide technical inputs for FEED, detailed design, and EPC stages.
• Support during installation, testing, and commissioning, ensuring alignment with design intent.
• Utilize and oversee the use of 2D and 3D CAD software (e.g., AutoCAD, Revit, Plant 3D, Navisworks Manage) for the development of plant general arrangement and cable tray layout drawings.
• Should have Technical Report writing skills.
• Should have excellent knowledge of using MS Excel, MS Word, PPT, Auto CAD.

Knowledge of 2D and 3D drafting software such as AutoCAD, REVIT and Open Plant Modeler preferred.

Project and team leadership:

• Lead and mentor junior instrumentation engineers/designers, review their deliverables, and provide technical guidance.
• Assign workloads, monitor progress, and ensure timely delivery of all instrumentation engineering outputs.
• Collaborate with project managers to develop project scopes, deliverables, schedules, and budgets, and ensure projects are executed on time and within budget.
• Act as a primary point of contact for municipal clients effectively communicating project updates and design concepts.
• Conduct value engineering and whole-life cost analyses to recommend the most cost-effective and sustainable solutions for municipal assets.
• Conduct knowledge-sharing sessions on latest instrumentation technologies and international design practices.
• Meeting with Client and other stakeholders to get approval of the design, drawings and all other technical documents required to complete the project smoothly.
• Capable of handling a team of 3 to 4 engineers/draftsman.
• Guiding and mentoring engineering /CAD team for quality delivery.