A

ASSYSTEM

Engineering services for design, construction, commissioning

Principal Project Manager

Project ManagementConfirmed live in the last 24 hours
Full-timeLondon, UKNo salary listed

About the Job

Requirements

  • A degree in engineering, construction, or a related discipline, with a strong technical foundation.
  • Proven experience delivering large-scale infrastructure or heavy civil engineering projects.
  • Strong commercial expertise, including contract management and cost control.
  • Experience managing risks, quality, and programme delivery in complex environments.
  • Proficiency in earned value management, planning, and project performance tools.
  • Strong leadership and stakeholder management skills across multidisciplinary teams.
  • Technical understanding of engineering, procurement, and construction delivery methods.
  • Strong analytical, organisational, and communication skills.

Responsibilities

  • Lead multidisciplinary project teams delivering complex civil engineering scope across major contracts.
  • Manage budgets, schedules, risks, and quality assurance across large-scale infrastructure packages.
  • Drive stakeholder engagement across internal teams, suppliers, and delivery partners.
  • Ensure alignment between design deliverables, schedules, and contract requirements.
  • Oversee contract administration, including variations, early warnings, and compensation events.
  • Manage risks and opportunities, ensuring timely mitigation and escalation where required.
  • Lead configuration and design change management across project lifecycle stages.
  • Coordinate delivery across engineering, procurement, construction, and commissioning phases.
  • Apply earned value management and performance monitoring to track project delivery.
  • Promote continuous improvement through lessons learned and knowledge-sharing practices.

Desired Qualifications

  • Experience in nuclear or highly regulated infrastructure environments.
  • Background in heavy civils, tunnelling, or major construction projects.
  • Knowledge of EPR design and nuclear construction methodologies.
  • Professional chartership or equivalent recognised engineering status.
  • Experience working with NEC, FIDIC, or similar contract frameworks.

About the Company

ASSYSTEM

Engineering services for design, construction, commissioning

Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Paris, France
Founded
1966

Recently Posted Jobs

Explore more opportunities at ASSYSTEM

See more jobs