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ASSYSTEM

Engineering services for design, construction, commissioning

Senior Planner

Project ManagementConfirmed live in the last 24 hours
Full-timeBury St Edmunds, Bury Saint Edmunds, UKNo salary listedHybrid

About the Job

Requirements

  • Significant experience working as a Planner or Senior Planner within the energy, power, utilities, infrastructure or construction sector.
  • A proven background in grid connections, power supply, electrical infrastructure or related projects.
  • Strong experience developing and managing complex, multi-disciplinary programmes.
  • Excellent knowledge of planning methodologies, programme controls and critical path analysis.
  • Experience using Primavera P6 and/or Microsoft Project.
  • Experience reviewing contractor programmes and managing programme interfaces.
  • Strong understanding of project delivery processes, including design, procurement, construction and commissioning.
  • Strong analytical and problem-solving skills.
  • Ability to communicate programme information clearly to both technical and non-technical stakeholders.
  • Confidence working with project managers, engineers, contractors, suppliers and senior leadership.
  • A proactive approach and the ability to identify potential issues before they affect project delivery.

Responsibilities

  • Develop, manage and maintain detailed project programmes from concept and design through to construction, commissioning and handover.
  • Work closely with engineering, construction, commercial, procurement and project management teams to ensure programme alignment.
  • Develop integrated schedules covering grid connections, power supply, electrical infrastructure, civils, procurement, construction and commissioning activities.
  • Monitor actual progress against baseline programmes and identify delays, risks, constraints and critical path activities.
  • Provide regular programme updates, progress reports and analysis to project and senior management teams.
  • Undertake programme impact assessments and support the development of mitigation and recovery plans.
  • Manage interfaces and dependencies between contractors, suppliers, utilities, network operators and other project stakeholders.
  • Support project teams with planning, sequencing and resource requirements.
  • Review contractor and supplier programmes, challenge assumptions and ensure alignment with the overall project delivery strategy.
  • Maintain programme governance, including baselines, change control, milestones and progress measurement.
  • Identify opportunities to improve programme performance and provide practical recommendations to the project team.
  • Contribute to risk and opportunity management, ensuring programme risks are properly reflected in project schedules.
  • Support reporting for senior stakeholders by providing clear and concise commentary on programme performance.

Desired Qualifications

  • Experience in electricity transmission or distribution networks.
  • Experience in grid connection projects.
  • Experience with substations and high-voltage infrastructure.
  • Experience in power generation or energy storage projects.
  • Experience in renewable energy projects.
  • Experience in data centre power infrastructure.
  • Experience in utility infrastructure and network upgrades.
  • Experience with high-, medium- and low-voltage electrical systems.
  • Experience with commissioning and energisation programmes.
  • Experience working with distribution network operators, transmission system operators, network operators or utility providers.

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

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