Senior Authorised Person (SAP) – 400kV

? Location: Poland (Onshore Substation)
? Start Date: ASAP (max. 1-month notice)
? Initial Contract: Until 31.12.2026 (likely extension until end of Q1 2027)
? CV Submission Deadline: 11.03.2026

Spencer Ogden is supporting a major offshore wind project in Poland and is seeking an experienced Senior Authorised Person (400kV) to join the commissioning and operations team at the onshore substation.

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Rotation & Travel

• 14/14 rotation on-site

• For local/Polish candidates: Monday–Friday pattern (12-hour days) possible

• 15 billable days per rotation

• Apartments provided in ?eba

• Alternative accommodation (hotel) reimbursed according to company policy

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Reporting Line

The role sits within the Electrical Package and reports directly to the Commissioning Management Team, working closely with:

• Senior Electrical Safety Officer

• Lead Senior Authorised Person

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Role Objective

The Senior Authorised Person (400kV) will be responsible for the safe commissioning, energisation, operation, and management of high-voltage systems at the Onshore Substation. The role ensures full compliance with project Electrical Safety Rules and safe execution of switching operations, first energisations, and HV work coordination.

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Key Responsibilities

HV Operations & Safety

• Act as Person in Control of the Electrical Installation during works

• Perform and manage HV switching operations (400kV)

• Create, review, and execute switching schedules

• Develop safe processes for first energisations

• Monitor and operate the offshore wind plant locally and via SCADA (if required)

• Issue, approve, and cancel electrical safety documentation

• Remove safety precautions when required

• Manage safe isolation and LOTO/PtW processes

• Ensure proper handover between SAPs during shift changes

• Initiate emergency procedures when necessary

Commissioning & Energisation

• Support design phase to ensure operational requirements are incorporated

• Participate in FAT/SAT activities

• Assist with commissioning and energisation activities

• Witness testing during commissioning period

• Act as Commissioning Team representative on the Offshore Substation when required

Process & Documentation

• Contribute to development of Electrical Safety Rules

• Create processes and procedures for safe HV operation

• Maintain accurate switching logs, permits, and isolations

• Prepare handover documentation

• Review RAMS and assess electrical risk

Leadership & Coordination

• Promote safety culture and act as a role model

• Coordinate with APs/SAPs and contractors

• Respond to abnormal system conditions

• Train O&M personnel to take over SAP responsibilities

• Act as standby Control Engineer during team absences

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Key Deliverables

• Safe commissioning and energisation of 400kV systems

• Compliance with project Electrical Safety Rules

• Creation and execution of switching schedules

• Safe workplace creation for all HV works

• Accurate safety and operational documentation

• Effective HV risk management and process control

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Qualifications & Experience

• Extensive experience as Senior Authorised Person (400kV)

• Strong background in:

  • HV commissioning

  • Operations under Electrical Safety Rules

  • Switching schedules

  • Safety documentation

  • Electrical regulations

• Experience managing HV systems and safe energisations

• Familiarity with PtW, LOTO, and software-based control systems

• Fluency in English (mandatory)

• Polish language skills desirable

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If you are an experienced SAP (400kV) looking to join a landmark offshore wind project in Poland, please submit your CV by 11.03.2026.