Closing Date: 6 March 2026

Overview

Omnia Projects Ltd is a leading provider of technical integration and project management services to major infrastructure clients. We are seeking a Technical Interface Manager to integrate directly within National Grid’s project organisation, supporting the Sizewell C New Substation build.

Key Responsibilities & Deliverables

The Technical Interface Manager will focus on engineering integration and interface management across multiple Tier 1 contractors, OEMs, designers, and delivery partners. Acting as a client-side integrator, the role provides structured oversight of design and engineering interfaces to ensure alignment of technical deliverables, programme logic, and assurance requirements.

The objective is to facilitate a coordinated and buildable design development process, supporting National Grid in maintaining control of cross-discipline dependencies and reducing the risk of late-stage design conflicts, rework, or programme disruption.

Key responsibilities:

  • Use and comply with procedures, business systems and data/asset systems.
  • Act as client-side Technical Interface Lead within project team, embedding into NG governance and reporting structures.
  • Identify and manage key engineering interfaces between engineering disiplines and grid connection works.
  • Facilitate interface workshops and design coordination meetings across supply chain partners.
  • Review contractor design programmes to verify logic alignment across disciplines and critical-path dependencies.
  • Support the management of technical queries (TQs), RFIs, and design change processes to ensure timely resolution.
  • Review the engineering deliverables in view of the NG technical specifications, standards, and stage-gate requirements.
  • Coordinate the management of design risks and opportunities, ensuring integration with the Project Risk Register.
  • Provide concise reporting to the Project leadership on interface status, emerging risks, and required interventions.
  • Lead project teams and meetings; manage stakeholders and customer engagement.
  • Support in quality, safety (including CDM duties), and environmental standards.
  • Undertake audits, site inspections and contribute to audit programmes.
  • Identify and manage project risks and resource requirements.

Required Qualifications & Experience

  • Relevant degree in Engineering or a Project Management Discipline.
  • Extensive experience in technical integration and interface management within major infrastructure projects.
  • Proven ability to manage cross-discipline design coordination and resolve technical queries in complex delivery environments.
  • Strong communication, facilitation, and stakeholder management skills.
  • Familiarity with National Grid standards and governance processes is highly desirable.

Role Features

Potential Work Location : Home based, with the option of working from Omnia offices (Stafford, Stockton Heath, Northallerton), with Travel to Site in the South & East Regions

Working Pattern : This is a hybrid role, involving a blend of home working, time spent at Omnia offices, project offices, and regular site visits.

Working Hours

Full time, 40 hours per week.

Package


• Competitive Salary, plus discretionary bonus
• Working hours of 40 hours per week. All overtime payable or time off in lieu (your choice) should you work more than this
• 22 days holiday, plus bank holidays
• Private Medical Insurance
• Workplace Pension
• Death in Service
• Company car scheme

Application Process


Please email a CV and covering letter to