Sujayeendra D
Senior Engineer - I
Bengaluru,KA
Summary
Experienced Senior Design Engineer with a strong background across the aerospace, automotive, defense, and rail industries. Skilled in CAD design, 3D/2D modeling, and product development using CATIA V5/V4, Creo Parametric, and SAP. Specialized in designing aircraft interiors, powertrain components, and structural assemblies, with strong expertise in GD&T, DFM/DFA, tolerance analysis, and design validation. Known for delivering high-precision, certifiable designs and optimizing engineering processes through cross-functional collaboration. Passionate about innovation, quality, and continuous learning in design and manufacturing technologies.
Overview
9
9
years of professional experience
Work History
Senior Engineer - I
SAFRAN Engineering Services
12.2025 - Current
- Performed 3D and 2D design modifications on A320 Single Aisle systems as per Change Incorporation Notices (CIN) using CATIA V5 and PASS-SSI.
- Used PASS-SSI to analyze CIN scope, identify affected parts, assemblies, and installation interfaces prior to design implementation.
- Modified air distribution ducts, brackets, supports, panels, and associated structures, ensuring compliance with Airbus design standards.
- Updated part and assembly drawings, incorporating dimensions, GD&T, material specifications, and standard notes.
- Ensured configuration consistency by aligning CAD updates with PASS-SSI change records and drawing revision control.
- Created and released 2D engineering drawings for H160 cockpit panels, including Single Part, Equipped Part, and Assembly drawings, using CATIA V5 Drafting.
- Utilized Windchill PLM to check-in/check-out drawings, manage part structures, and maintain configuration control.
- Developed Single Part drawings with complete dimensions, GD&T, material, surface finish, and standard notes as per Airbus Helicopters drafting standards.
- Prepared Equipped Part drawings by integrating installed items (fasteners, inserts, placards, avionics interfaces) and ensuring correct item linking in Windchill.
- Generated Assembly drawings with BOM, item balloons, installation and reference notes, aligned with Windchill product structure.
Senior Engineer
Tech Mahindra
02.2023 - 12.2025
- Performed Design Quality (DQ) Checks for System Vendor Component Datasets (SVCDs) of Passenger Service Units (PSUs), Headliners, and Sidewalls of Bombardier Global 7500/8000 Aircrafts for DIEHL Aerospace.
- Provided 3DDR (3D Design and Review) support for F/List-supplied parts including Credenza, Tables, Forward and Aft Lavatories, and Wardrobes by integrating assemblies.
- Provided SVCD 3D and 2D support for F/List components such as Credenza, Tables, Forward and Aft Lavatories, and Wardrobes after the final 3DDR review stage, by creating detailed 3D models and 2D drawings in CATIA V5.
- Performed Design Quality (DQ) check for the System Definition Dataset (SDD) of the Oxygen System in the Global 7500 program by validating the presence and correct allocation of required single and dual oxygen masks in each cabin zone under the Periphery (DB) department.
- Performed SAP configuration for Aircraft Equipment List (AEL), Aircraft Specific Documents (ASD), and Exterior Illustrations (EI) for the Challenger 3500 program.
- Executed SAP configuration for FACC configuration documents in the Challenger 3500 program, ensuring proper document linkage and version control.
- Performed conceptual 3D design for the M241 program, focusing on ECS (Environmental Control System) distribution and extraction ducts in the Cabin and Aft zones as well as Cabin and Aft Exhaust and Recirculation Ducts, ensuring optimized routing, clearances, and integration with adjacent systems.
- Executed conceptual 3D design of Forward and Aft Lavatory Water Systems, conducting thorough clearance checks with surrounding systems to ensure spatial feasibility, maintainability, and compliance with integration standards.
- Converted 3D models of G6500 Green Structure components—such as Frame Assemblies—from CATIA V4 to V5, ensuring accurate data migration, and positioned them into correct aircraft locations under the respective PRC (Position Reference Coordinate) structure in CATIA V5.
Junior Research Engineer
Hyundai Transys
02.2022 - 01.2023
- Designed and developed 3D models of Manual and Automatic Transmission casings using Creo Parametric 3.0, ensuring accurate representation of critical components for integration into vehicle powertrain systems.
- Collaborated with cross-functional teams to ensure designs met functional, structural, and manufacturing requirements while optimizing for efficiency, performance, and ease of assembly.
- Developed 3D models for Torque Converter Housing and Front and Rear (FR/FF) Automatic Transmission cases, ensuring the models adhered to performance and integration specifications.
- Designed Bevel Gears using CATIA V5-6R, developing both 3D models and 2D engineering drawings.
- Incorporated Geometric Dimensioning and Tolerancing (GD&T) into the designs to ensure precise alignment and effective transmission of rotational power within the drivetrain.
- Modeled Differential Gears, Rear Axle, and Fork Shift components using CATIA V5-6R2019.
- Created detailed 2D engineering drawings to support the manufacturing and assembly processes, focusing on accuracy and precision to minimize production errors.
- Conducted tolerance stack-up analysis and design feasibility studies to evaluate part fitment and manufacturability, ensuring robustness and reliability in high-load operating conditions.
- Participated in design review meetings and incorporated feedback from manufacturing, quality, and testing teams to improve design efficiency and reduce rework cycles.
- Collaborated with simulation and analysis teams to integrate CAE feedback into design iterations, improving thermal and structural performance of transmission components.
- Supported the creation of Bill of Materials (BOM) and coordinated with procurement teams to align part specifications with supplier capabilities.
- Applied DFM (Design for Manufacturing) and DFA (Design for Assembly) principles to reduce complexity, cost, and assembly time while enhancing product reliability.
Design Engineer
HCLTech
11.2017 - 02.2022
- Participated in New Tail Kickoff meetings to understand the project scope, timelines, and design objectives of the Bombardier Global 7500 aircraft.
- Collected key input documents such as Work Authorization (WA), Customer Completion Specification (CCS), and Price and Offerability (P&O) to ensure Customer needs and Project constraints.
- Created 3D models for the top assembly for the interior Cabinets like Aft Lavatory of ensuring alignment with functional, aesthetic, and structural requirements.
- Participated in 3D Design Review (3DDR) meetings, presenting the model to stakeholders, gathering feedback and implementing design changes as per discussions.
- Finalized the Digital Mock-Up (DMU) of the Cabinet Assembly, ensuring it adhered to all engineering and quality standards before moving to the next phase.
- After the 3D model freeze, focused on creating 3D Functional Tolerancing & Annotation (FTA) for low-level parts, such as composite panels and fabrication assemblies.
- Generated 2D engineering drawings for sub-assemblies like Vanity, Box, Countertop and Toilet assemblies, ensuring they adhered to Bombardier aerospace standards.
- Incorporated GD&T into drawings to ensure precise manufacturing and assembly processes.
- Utilized Siemens Teamcenter Vismockup to extract 3D models of electrical wiring and harness components such as connectors for vehicle assemblies with focus on the Hood, Body-in-White (BIW), and Roof areas of Ford & Lincoln Cars.
- Import the extracted component visuals into Adobe Photoshop to organize images into multiple layers to clearly differentiate electrical connectors from surrounding vehicle parts & Modifying the background images.
- Label different electrical connector parts with accurate technical information including part names, types, and functions & Ensure visual consistency as per Ford’s Design & Documentation standards.
- Export finalized illustrations for use in service manuals, wiring diagrams, or design reports.
Graduate Engineer Trainee
BEML LTD.
10.2016 - 09.2017
- Prepared Quality checklists for identifying visual and functional snags on all door systems of Delhi Metro Rail Corporation (DMRC) trainsets in compliance with design and safety standards.
- Developed Torque inspection checklists for under-mounted components such as battery boxes, transformers, High Tension Electrical Boxes (HTEB), and Low Tension Electrical Boxes (LTEB) to ensure accurate installation as per engineering specifications.
- Conducted visual inspection and created checklists to identify surface defects such as cracks, scratches, and dents on the housing and doors of critical electrical enclosures (battery boxes, transformers, HTEB, LTEB).
- Designed checklists for torque verification and crack detection in overhead-mounted systems, including pantographs, to ensure secure mounting and operational safety in high-voltage areas.
- Worked collaboratively with Quality Inspectors and production teams to validate inspection criteria, refine checklist formats, and ensure traceability and standardization.
- Created 2D drawings and detailed drafting for jigs and fixtures used in the structural assembly and maintenance of CHEETAH Helicopters, ensuring alignment with aerospace standards and manufacturing requirements.
- Performed 3D modeling of engine and transmission components including cylinders, crankshafts, and related assemblies for Arjun Armoured Recovery and Repair Vehicles (ARRV) using CATIA V5.
- Developed 2D Drawings of Trawl Rollers and Full Track Width Mine Ploughs for T-90 main battle tanks, incorporating GD&T and adhering to defense-specific dimensional accuracy and standards.
- Collaborated with senior design engineers and cross-functional teams to validate mechanical designs, optimize component geometry, and ensure manufacturability and serviceability in field conditions.
- Contributed to Design reviews & BOM generation within the defense R&D lifecycle, ensuring traceability and configuration control across all drawing packages.
Education
Mechanical Engineering
Visvesvaraya Technological University
Belgaum, India 04.2001 -
Skills
CATIA V5
Creo Parametric 30
Enovia LCA
Timeline
Senior Engineer - I
SAFRAN Engineering Services
12.2025 - Current
Senior Engineer
Tech Mahindra
02.2023 - 12.2025
Junior Research Engineer
Hyundai Transys
02.2022 - 01.2023
Design Engineer
HCLTech
11.2017 - 02.2022
Graduate Engineer Trainee
BEML LTD.
10.2016 - 09.2017
Mechanical Engineering
Visvesvaraya Technological University
04.2001 -