[Skip to main content](#main-content)

[OpenNash Jobs](https://jobs.opennash.com/)
[Hiring report](/reports/hiring/) · [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Search jobs](/search/)

Larsen & Toubro

# Sr. Design Engineer

India>Tamil Nadu>Chennai Head Qrs. Senior individual contributor Design 

Listed on Larsen & Toubro’s official careers site. Posted October 14, 2026. Check that it is still open and apply there.
[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_-DE_1894076)

[OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Sr. Design Engineer

## Job description

Preparation of Instrument DatasheetsPreparation of control philosophy and DBRPreparation of cable schedule and wiring diagramPreparation of Instrument index and I/O ListPreparation and Review of P&IDPreparation of Cable Tray Layout and Support Layout.Preparation of Instrument and Junction Box Location LayoutPreparation & review of Logic notes and Logic diagram for control systemPreparation of RFQ documents for PLC based control system with scope demarcation.Preparation of cable block Diagram for DCS, SIS, FGS.Modelling of Junction Boxes, Cable Trays, Cabling Systems, Cables and Tubing, Cabinets.Preparation of JB/panel Grouping and JB Scheduling.Preparation of Cable Tray Fill
- Report and Node Report.Preparation of Technical Bid Analysis and vendor selectionExperienced in preparing SPI Deliverables.Responsible for preparation of BOQReview of relevant Civil, Mechanical & Electrical documents and drawings for Instrument detailing & clash analysisDetailed
- Knowledge on data communication concepts and protocols of SCADA, DCS, PLC, RTU, FRTU, C&I cables, power supply source.Knowledge on Instrumentation design codes and standards for selection of field instrumentsKnowledge on complete control system architecture components, UPS system.Close interaction with other business units for timely submission of technical documents.Coordination & support project team for timely approval of design documents.Meeting with Vendors & Clients for technical discussionsSkills & Other requirements: Basic Instrumentation & Electrical knowledgeGood Communication & Presentation skillsPreference to candidates with exposure to Smart Infrastructure projectsCandidate should be ready to make travels for site visits and client discussionsSmart Plant Instrumentation knowledge

## Qualifications

Bachelor of Technology (BTech); Bachelor of Engineering (BE)

## At a glance
- Posted by the employer: Oct 14, 2026
- First seen by OpenNash: Oct 19, 2026
- Last checked: Oct 19, 2026
- Listed for: 5 days
- Location: India>Tamil Nadu>Chennai Head Qrs.[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_-DE_1894076)

## More jobs at Larsen & Toubro

### [Architect - PAH](https://jobs.opennash.com/companies/larsen-toubro/jobs/a1496e49b6cf53649cb3/)

India>Tamil Nadu>Chennai Head Qrs.

## Similar jobs at other companies

### [Senior Staff Datapath Design Engineer and Circuit Design Engineer, VLSI Design Engineering](https://jobs.opennash.com/companies/sandisk/jobs/9c9c9ee8de475c168163/)

Sandisk 

### [Senior Technologist Datapath Design Engineer and Circuit Design Engineer, VLSI Design Engineering](https://jobs.opennash.com/companies/sandisk/jobs/04c89e21c7a143aa3d7b/)

Sandisk 

### [Staff / Senior Staff Engineer Digital Design (RTL Design)](https://jobs.opennash.com/companies/infineon-technologies/jobs/bcdb3b7a61b92eede1d2/)

Infineon Technologies · Singapore

### [Electrical Design Engineer - Substation Bengaluru, Karnataka Bengaluru, Karnataka ENGINEERING / DESIGN STUDIES / METHODS ENGINEERING / DESIGN STUDIES / METHODS Permanent](https://jobs.opennash.com/companies/vinci/jobs/226b30542f183b716535/)

VINCI · Bengaluru, Karnataka

### [Senior Design Engineer - UGC Scotland Gate, England Scotland Gate, England ENGINEERING / DESIGN STUDIES / METHODS ENGINEERING / DESIGN STUDIES / METHODS](https://jobs.opennash.com/companies/vinci/jobs/e05c4ba864beb3623d58/)

VINCI · Scotland Gate, England

OpenNash lists jobs from employers’ own careers sites and does not handle applications.
Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)