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Technical Safety Specialist

Toronto, ON


  • Coordinate software safety activities throughout entire system lifecycle;
  • Perform hazard identification studies (HAZID, HAZOP), hazard analyses (PHA, SHA, HAZID, FTA, FHA) and safety analyses (FFMEA, FMECA, FSA);
  • Define software safety requirements, including Software Safety Integrity Levels (SSIL);
  • Analyze and evaluate design compliance with safety requirements and safety principles;
  • Identify and record hazards in Hazard Log, assess safety risks, review hazard mitigations, evaluate the design and track hazard status throughout close-out process;
  • Review the adequacy and completeness of the safety evidence, including test and verification reports, and produce the Safety Case;
  • Work as part of integrated project team and promote company's safety policy and best practices;
  • Recognize opportunities for, and encourage, cross-use and cross-acceptance of safety certifications and Safety Cases;
  • Represent Safety in technical meetings involving safety-related issues.  Participate in, influence, and approve design decisions impacting or potentially impacting safety;
  • Exercise safety leadership on the product and/or project, and is accountable for the technical safety of the train control system;
  • Prepares safety requirement specifications by analyzing and decomposing customer safety requirements;
  • Perform technical trade off evaluations to identify the system safety engineering design choices with associated advantages and disadvantages;
  • Review and approve the Hazard Log and associated hazard analyses;
  • Identify and anticipate risks and opportunities, and propose mitigation actions;
  • Prepares technical proposals, reports, presentations, change evaluations and responses to customer requests. Provides technical Bids and Proposals support as assigned;
  • Works with customers and Independent Safety Assessor (ISA) to achieve safety approval and acceptance of the train control system;
  • Defines processes and best practices covering the entire safety activities and system lifecycle;
  • Trains, leads and supervises junior members of the RAMS Engineering team;
  • Supervise other Safety Specialists and consultants by defining their work, methodology and approach, monitoring their progress, and directing them on priorities;
  • Resolves safety related issues by participating in the Safety Committee, as required;
  • Ensures that safety requirements can be verified; review safety test procedures and reports to confirm sufficient coverage of safety requirements;
  • Verify the safety of the system by performing:
    • Failure Modes Effects and Criticality Analysis (FMECA);
    • Functional Failure Modes and Effects Analysis (FFMEA);
    • Fault Tree Analysis (FTA);
    • Functional Hazard Analysis (FnHA);
    • Functional Safety Analysis (FnSA); and
    • Hazard Identification (HAZID) and Hazard Operability (HAZOP) studies.
  • Accountable for performing the work correctly within cost and schedule limits as defined in approved Work Package;
  • Provide support to resolve safety related issues by participating in the Safety Committee, as required.

Basic Qualifications

  • B.Sc. Electrical Engineering / Computer Science or equivalent;
  • 10+ years train control experience and/or automatic control systems in other industry;
  • Experience with train control systems and the associated hazard, safety and risk analysis;
  • Experience with safety standards (CENELEC, MIL, MoD, IEEE, IEC), methods and techniques (FMEA/FMECA, FTA, FHA);
  • Knowledge of fixed and moving block signalling principles, relay based and computer based interlocking design, and control tables;
  • Experience in design interface to wayside (e.g., points, track circuits, signals) and rolling stock equipment.
  • Familiarity software on real time safety critical systems;
  • Knowledge of safety program and safety lifecycle for complex (safety critical) systems;
  • Good understanding of safety principles, and ability to evaluate safety and operational impact;
  • Safety analysis methods and techniques – FTA, FMEA/FMECA, HAZID/HAZOP, PHA, SHA, FnHA;
  • Proof of Safety/Safety Case – GPSC, GASC, SASC;
  • Safety standards EN 50126/128/129/159;
  • Signalling Principles;
  • Good technical writing, communication and analytical skills;
  • Computer skills, MS Office; DOORS; Item ToolKit, RAM Commander, Isograph.

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