Instrumentation Design Engineer

Post:

Location:

Job Type:

Qualifications

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

Job summary:

Senior Instrumentation Design Engineer

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.
• 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.