Senior Authorised Person

Overview

Lead electrical safety officer for HV/MV/LV systems, permits, and compliance on data centres.

Key Responsibilities

• electrical permit
• energisation planning
• lockout tagout
• hazard identification
• safety audits
• team management

Tasks

-Establish and maintain positive and effective working relationships with permit applicants providing clarity and direction as required on the system including familiarisation training. -Manage and Improve Processes. -The Senior Authorised person must be fulltime onsite and nominate a deputy of equal competencies to act on limited occasions in their absence. -Attend project meetings sharing updates and limitations for future planned works. These may include but are not limited to site meetings, internal project meetings, engineering reviews, applicable planning and scheduling meetings and hand over meetings. -The Senior Authorised persons must present toolbox talks to the project teams at regular intervals throughout the project and share information with project EHS team to be included in tool box talks/ project safety communications. -Initiating Action and work alone. -Plan and execute safe electrical energisations, isolations and switching including approval of requests, drafting and approval of switching plans. The Senior Authorised Person will ensure that approved switching plans and system boundaries are in place as required for HV/ MV and LV systems. -Complete any training required for compliance in jurisdiction and with Mercury ESSOW. Ensure team members are competent prior to appointment, including training requirements for their roles. This must be recorded and monitored to ensure continued development and compliance. -Identify electrical hazards and implement mitigation deemed necessary. -Authorise Energisation and Isolation re quests ensuring that the system is utilised on the project. -Review and manage of commissioning process’ from Level 2B to Level 5 including tagging process’ prior to energisation and activities to achieve successful IST. -Maintaining performance under pressure. -The Senior Authorised Person will ensure periodic inspection and auditing is completed as required by Mercury’s SOP, client requirements and jurisdictional requirements. -The Senior Authorised Person will ensure any project mitigation against electric shock and arc flash are adhered to including the provision, sign out and monitoring of arc flash PPE to effected personnel according to the project arc flash study or the assessment made by the Senior Engineer assisted by the Senior Authorised Person. -Manage the Emergency removal of a safety lock should the condition arise. -Senior Authorised Person will manage the electrical safety communication process’ on the project through warning signage, energisation notices, toolbox talks, system updates and permitting. Any concerns or incidents to be escalated to Person in Charge of the Electrical Installation, Nominated Senior Engineer and EHS Dept. -Assist in electrical incident investigations should an incident occur ensuring that all Accidents, Incidents or Dangerous Occurrence associated with work on Electrical Distribution Systems, are immediately notified to the Mercury Designated Person. -Escalate any safety breaches or non-compliance issues to the Person in Charge of the Electrical Installation and Senior Engineer prior to hazard causing risk. -Managing team performing high risk activities and ensuring compliance. -Senior Authorised Person will be responsible for any live or potentially live systems under their control. -Share system status updates with project team and project Cx. Manager in a timely and concise fashion. -Be conversant with arc flash risk, hazard identification and mitigation measures, including electrical safety PPE. Monitor the condition of PPE and safety equipment, advice project Senior Authorised Person of calibration requirements or replacement safety equipment as required. -Manage, audit, employ and enforce adherence to an Electrical Safety Permit System including access control. -Monitor relevant subcontractors/ vendors ensuring works are being completed within legislation and Mercury SOP’s including testing procedures and results. -Establish and maintain positive and effective working relationships with project team, peer workers and vendors. -Manage, monitor and operate access control system in conjunction with approving, cancelling and closing Electrical Safety Permit System. -Implement Mercury SOP’s, jurisdictional requirements, client requirements, project specific ESSOW’s and ensure they are employed on the project through managing, auditing and permitting. -Manage, audit and enforce the principles and application of control of hazardous energies procedures including operational control of lock out tag out system. -Provide evidence of successful completion of colour blindness test if not done so during proof of qualification. -Review and approve electrical safety related risk assessments and method statements.

Requirements

• hv testing
• level 6
• authorized person
• design build
• project management
• it skills

What You Bring

-Experience in testing and verification of HV/ MV and LV systems. -Complete jurisdictional training such as a recognised course in Verification, Testing and Certification and a recognised switching course at HV/MV and LV in previous two years. -In depth knowledge of Health, Safety and Quality compliance -Have successfully obtained a suitable electrical award, equivalent to Level 6 or higher on the National Framework of Qualifications. -Be competent to perform electrical trouble shooting should an issue arise. -Demonstrated history of delivering HV/MV Infrastructure projects, DC / DNO / IDNO / Power Generation if nomination is at HV or MV levels. -Completed low voltage authorised person training course in last 2 years -Knowledge of Mechanical systems -Experienced in design and build -Any specific jurisdictional qualifications -Excellent IT skills -Be fully conversant with the National Rules for Electrical Installations for the jurisdiction -Senior Authorised Person must be conversant with jurisdictional regulations and ensure compliance. -Be conversant and familiar with equipment or complete familiarisation training including but not limited to main panels, ACB’s, MCCB’s, MCB’s, RCBO’s, VSD’s, MCC’s, busbar, sub distribution boards and final circuits. Ensure necessary parties are also competent. -Understand, interpret and work from various forms of project documentation such as Punchlist Procedure, As Built Procedure, Vendor Manuals etc. ensuring familiarisation is also carried out with effected parties such as the Authorised Person team. -Ability to work well within strict deadlines -Completed high voltage authorised person training course in last 2 years -Proven record of supervising and managing large installation projects -Experience managing work and safety precautions across control boundaries. -Ability to drive a large-scale project -Be competent to perform pre and post connection electrical testing, perform live dead live testing and assess results for compliance and safety. -Coordination, communication and planning skills. -Other suitable electrical award, equivalent to Level 6 or higher on the National Framework of Qualifications -Excellent technical knowledge of Electrical systems -Experience performing / supervising advance cable works including phasing, testing, identifying. -Qualified electrician awarded the National Craft Certificate as part of the National Framework of Qualifications or equivalent for the region. -Understand, interpret and work from various forms of project information such as SLD's, wiring diagrams, schematics, punch list procedures, vendor manuals, etc. and “redline” as necessary and ensure that effected parties such as the Authorised Person team are familiar and compliant. -Be a qualified electrician awarded the National Craft Certificate as part of the national Framework of Qualifications or equivalent in the jurisdiction and verified by Naric. -Excellent communication skills -Following instruction both verbal and written. -A trade background and 10 - 15 years previous experience managing large installation projects and sub-contractors.

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About Mercury

-Delivers complex engineering and construction projects—often turnkey mechanical, electrical, and commissioning works—across Europe and beyond. -Their specialisms span mechanical and electrical engineering, sprinkler and fire-protection systems, data-center infrastructure, and commissioning services. -The company’s history is marked by early adoption of BIM, prefabricated modular construction, and digital commissioning platforms—underscoring its tech-driven edge.

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