Sagithan Stéphane RANJIT, P.Eng., Ing., M.Sc,

Prepared designs and drawings for projects following TTC standards, codes and engineering notes.

• Reviewed and interpreted existing conditions, specifications, and materials; gathered data for accurate and compliant designs.
• Worked under the supervision of Engineers registered on the PEO.
• Collaborated with various TTC departments to ensure consistency and compliance with operational requirements.
• Researched and applied TTC and industry design standards to create practical and code-compliant designs.
• Provided guidance to maintenance staff and contractors on equipment, installations, and inspections.
• Investigated operational issues such as RF and networking, performed defect analyses, and developed engineered solutions for systems resolving.
• Administered construction, inspections, testing, and commissioning of section-specific systems.
• Prepared and reviewed reports, project updates, inspection documentation, and related correspondence.
• Diagnosed and resolved non-routine problems, conducted root cause assessments, and addressed complex failures.
• Ensured safety compliance during construction and stayed updated on safety legislation and TTC policies.
• Conducted engineering calculations to produce complete designs and specifications.
• Promoted diversity, inclusion, and accessibility in alignment with TTC policies and legislative obligations.

KEY SKILLS:

- Auditing and process evaluation

- Electrical engineering and ethics

- Research and information gathering

- Proficiency in office technology and software

- Analytical and problem-solving abilities

- Knowledge of laws and regulations

- Project planning and organization

- Effective communication across multiple mediums

Testing and Commissioning activities on the ECLRT Project (Line 5) and on the TTC YUS Project (Line 1 re-signaling)

Working as an ITC Engineer on the ECLRT Project Nov. 2023 – Feb. 2024

• Supported the on-site testing and commissioning activities of CITYFLOW650 CBTC System.
• Tested moving block interlocking system functionalities, ATC system on-board functionalities.
• Conducted testing from Operational Control Centre (OCC) for ATS system functionalities.
• Conducted the testing of Unattended Train Operation (UTO) mode in Yard for test scenarios such as auto dispatching and auto storage of trains.
• Troubleshooted daily ongoing issues during the operation and provide solutions to customer.
• Provide inputs to engineering team and management team about issues found from daily operations and try to resolve quickly to mitigate any delays in operations.
• Involved in the daily meetings with engineering team, design team, product team and management team to discuss issues found on-site.
• Provided support to Operation and Maintenance team for maintenance of the wayside interlocking system and trackside equipment.
• Captured the logs from all the sub-systems and onboard equipment for the engineering team, design team and product team for them to analyze any issues occur into the CBTC system.
• Able to set and remove the work zones and act as PIC during the testing, responsible for the safety of all works working around the work area and adheres to EHS policies defined by the customer and Alstom.

Working as a T&C Signaling Engineer on the TTC YUS Project: Nov. 2021 – Nov. 2023

• Preparation and execution of testing activities in the field (Wayside, On Board and yards) of DCS equipment on board and on the tracks.
• Analysis of the data obtained during the various testing sessions.
• Conducting quality activities and communicating with engineering team as part of log analysis and investigation.
• Used the correct tools and equipment to perform the test activities, ensured it was calibrated and done with the standards.
• Performed System configuration and ODRAP Testing with knowledge in SNMP, LAN (VLAN, STP, NTP), and WAN (IP VPN).
• Knowledge of rail signaling (moving block/fixed block/CBTC) and Data Communication elements.
• Data Communication Testing on railway track, and trains with required Tools (Spectrum Analyzer, Ixia, Optic Meter, etc.).
• Familiar with Wi-Fi 5Gb protocol, radio communication, and frequency products (splitters, cables), and antenna.
• Alerts the hierarchical superiors by any risk identified during the testing activities (Sub-System leader, PrCom, PM, RC, TCM).
• Develops/reviews T&C procedures for the CBTC subsystem as required.
• Worked under the supervision of Engineers registered on the PEO.
• Interacted with Engineering and V&V Sub System leaders for optimizing site test (train, railway track, and network system) and investigation of testing issues.
• Participate/support activities associated with the V&V test on platform/in factory as required by the project.
• Applies expertise to troubleshoot technical issues, supports investigation of issues with other subsystems and peers, and interacts directly with customer.
• Drafted and delivered several tests reports for the customer which is Toronto Transit Commission.
• Within the ATC Project (Automatic Train Control):
• Supported others sub-systems testing to get to know better the whole U400 Urbalis System
• Implementation on the Line 1 Re-Signaling by Alstom (CBTC).
• Participated on multiples Cross Training with the means to know the other sub-systems such as ATC, CBI, MSS/CSS

• Notable Contributions:
• Operational Support of flight control simulator
• Wiring conception (electrical diagram and schemas)
• Test means design
• Videos and sound network management
• Hardware implantation (electronics cards, videos units...)
• Drafted technical specifications in accordance of the customers’ demands
• Integration and validation of new systems and avionics equipment

• Study and design of electrical generation products for civil and military airborne systems such as Starter Generators (STARTERS), Alternators and others.
• Specialization in Power Electronics, rotating machinery and Electromagnetism.
• Conformity studies of rotating machines, start-up simulation of DC machines, and establishment of recipe conditions for tests.
• Participation in hardware architecture development in response to its specification.
• Tests of developments and qualifications of generators / starters.
• Participation design records and justification.
• Coordination with the Electrical, Mechanical and Product Design Authority Architects on aircraft manufacturer’s projects such as AIRBUS (X6), DASSAULT (Rafale, Falcon), PRATT & WHITNEY.
• Knowledge of the aircraft’s standards such as DO-160, DO-254, MIL-STD-512

• Sizing, design and realization of a Buck type converter, creation of two cards and realization of the prototype.
• Goal: Design of a battery charging for electric vehicle with as source, solar energy for a university project in Vietnam