Portfolio Manager

Job Description

For 50 years, we've been driven by the firm belief that engineers are the architects of tomorrow's world, leading the way with their daring, their expertise and their ability to push boundaries.
Together with our customers, our 7,000 employees innovate on a daily basis and contribute to accelerating energy transition throughout the world. They support the world's greatest engineering projects in the fields of energy, digital and transport.
A fast-growing international Group, we are present in 13 countries (in Europe, the Middle East, Asia and Africa).

Assystem provide end state focused nuclear engineering services both individually and as part of an integrated design community - the largest nuclear design house in Europe - delivering major projects, infrastructure, waste, fuel management and safety case solutions. This mission is critical to the upkeep of the UK's long term nuclear infrastructure.

Join us and develop your career alongside a dedicated, delivery focussed, world class engineering team.

A Portfolio Manager is required to manage the a Portfolio within a large scale Programme of work. The role and requirements are outlined below:


  • The role should be based at Warrington or West Lakes. Travel between sites is expected when required by SL
  • The individual will be a P1/4 Pass holder (or able to achieve this); SC cleared and have previous Project Management experience, ideally including the APM Level D professional qualification.
  • Responsibilities will include:
  • Manage the day-to-day tasks of the portfolio for delivery of design services and provision of directed resources.
  • Working closely with the Business Manager, Senior Portfolio Manager and Engineering Delivery Managers undertaking contract administration, resource management, project reviews and stakeholder engagement
  • Implementing contract administration across the portfolio.
  • Ensuring governance requirements are met within proposals, estimates, project reporting and invoicing.
  • Strong stakeholder management and liaison with Client via SL Project Managers Senior Project Engineering Managers and Commercial Managers.
  • Develop and maintain good sustaining business relationships with key stakeholders including SL, Partner Companies and the Supply Chain Members.
  • Monitor and manage the delivery of portfolio, maintaining a working knowledge of the portfolio performance with respect to projects and packages of work within the Work-streams.
  • Support portfolio risk mitigation and lead actions with respect to performance issues.
  • Monitor and manage the portfolio resource requirements and utilisation for the short and long term in accordance with the portfolio requirements.
  • Monitor and manage performance against KPIs and metrics such as Earned Value and Milestone Achievement, providing accurate forecasting and timely invoicing of design services.
  • Implementation of the strategic objectives related to the packaging and incentivisation of projects.
  • Ensure relevant feedback is communicated to Project Engineering Managers and Business Management.
  • Demonstrate value, minimising programme risks (threats), developing opportunities as well as portfolio delivery efficiency and effectiveness
  • Maximising Learning from Experience, disseminating and input of LFE across all project stages.

  • HND Qualified in Technical, Engineering or Project management related subject
  • Track record in Project Management and Team Leadership
  • Good understanding of commercial and contract administration
  • Proven and effective inter-personal and communication skills

For more information and a further discussion through the job description, please contact
Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.