Competent Person

Posting date:	28 January 2026
Hours:	Full time
Closing date:	27 February 2026
Location:	Sn12
Remote working:	On-site only
Company:	O'Neill & Brennan
Job type:	Temporary
Job reference:	Melsksham-10787

Summary

Civil Operative – Live HV Substation

Location: Melksham

*** Contact Stan Pincott - 07425 422839 - s.pincott@oandb.co.uk ***

A contractor delivering works on a National Grid substation project in Melksham is looking to appoint an experienced civil operative with the appropriate national grid authorisations to work on a live substation. This is a critical safety-focused role supporting day-to-day site operations within a high-risk environment.

The Role

As a Civil Operative working on a live HV substation, you will be responsible for maintaining safe, controlled and compliant access for personnel, vehicles and plant, in line with National Grid safety requirements.

Key Responsibilities

• Managing site access within a live National Grid substation

  
  

• Working strictly in accordance with NG NSI Safety Rules

  
  

• Acting as a competant person under NSI 6 & 8
  

  
  

• Ensuring safe movement of delivery vehicles and site plant

  
  

• Supporting groundwork and general civils activities as required

  
  

• Maintaining high standards of safety and compliance at all times

  
  Essential Requirements

  • Civil Operative qualified as Competant person
    

    
    • Proven experience working in or around HV substations
    

  • Strong understanding of access control on National Grid sites

    
    

  • Ability to follow strict permit systems and safety procedures

    
    • Manual Handling Certificate
    

  • Experience carrying out general groundworker duties

    
    Desirable

    • Previous experience on National Grid or power-sector projects

      
      

    • Good knowledge of HSG 47 – Avoiding Danger from Underground Services

      
      

    • Strong communication and coordination skills

      
      What to Do Next

      If you’re interested in this opportunity, please apply now with an up-to-date CV or contact us directly for more information.

      If this role isn’t quite right, but you’re considering a new position, feel free to get in touch for a confidential discussion about your career options.

      O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation