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Costain Group PLC

Senior Traffic Management Manager

Costain Group PLC

Senior Traffic Management Manager overseeing traffic safety and control for frameworks at Costain. Supporting TM Managers and managing risks related to highway changes in London.

Posted 7/8/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

About the role

Key responsibilities & impact
  • Support the Traffic Management Lead
  • Support and oversee the TM Manager, TSSs and Incident Support teams.
  • Plan, manage and coordinate all matters relating to traffic safety and control including working closely with the procurement teams, management of road space by utilising the digitalised TM app and traffic management design.
  • Implement a quality approach to the inspection and audit of TTM.
  • Ensure sufficient TSS are appointed to undertake suitable level of inspection, monitoring of the TTM to confirm the safe system of work meets the design.
  • Ensuring the Temporary Traffic Regulation Order (TTRO) or Temporary Traffic Regulation Notice (TTRN) are applied for and complied with
  • Overall responsibility for all the traffic management related supply chain
  • Ensuring the Principal Contractor’s TTM design and engineering enables a safe system of work for all, to accepted minimum standard e.g. as per Traffic Signs Manual Chapter 8 and associated documents including the DMRB, CIS53 and relevant Raising the Bar documents.
  • Ensuring unplanned but foreseeable risks are managed and controlled using above the line controls where possible. This includes a focus on customers and in particular eliminating delays, congestion, dealing with breakdowns, support to emergency responders etc.
  • Ensuring TSS are provided with compliant vehicles for undertaking their inspections and work activities.
  • Gain info from QSs for the TM packages and update the TM Dashboard
  • Attend monthly Costain managers meeting
  • Attend quarterly Costain standards meetings with the supply chain
  • Ensure observations are closed out in a timely manner with the site team

Requirements

What you’ll need
  • Essential NHSS 12 Traffic Safety Supervisor
  • CITB Site Managers Safety Training Scheme as a minimum
  • NHSS 12D M7
  • NHSS 12 A/B
  • First aid in the workplace training
  • Conflict management training
  • Safety Critical Medical
  • Desirable (IHE) Professional Diploma at level 5 or above
  • (IHE) TTM Engineering Professional Certificate. (Level 4)

Benefits

Comp & perks
  • A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.
  • Costain appreciates the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.
  • We do share individual feedback following an interview.
  • For more details please go to the Disability Confident website: https://www.gov.uk/government/collections/disability-confident-campaign

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Traffic Management CoordinationTraffic Safety InspectionRisk ManagementTraffic Management App UtilizationAudit Implementation
Soft Skills
Conflict ManagementTeam LeadershipCommunication
Certifications
NHSS 12D M7NHSS 12 A/BFirst Aid in the Workplace TrainingSafety Critical MedicalIHE Professional Diploma Level 5IHE TTM Engineering Professional Certificate Level 4