Hybrid Senior Planning Engineer - Nuclear Decommissioning

Amentum; Whitehaven; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Free medical cover for UK employees

Digital GP service

Enhanced parental leave pay

Reimbursement for professional dev &会员

Job summary

Amentum is seeking a Senior Planning Engineer to join the Decommissioning Alliance planning team on the Sellafield framework. You’ll deliver P50 schedules, forecast project performance, and support costed, resourced planning in a complex nuclear environment.

You will work with the Planning Manager, Project Managers and clients to ensure accurate schedules, risked planning, and NEC contract alignment. Security clearance is required, with potential for hybrid/part-time arrangements.

Qualifications

• Minimum 4 years’ experience in a project planning role within engineering, construction, or nuclear sectors.
• Experience on Sellafield site.
• Strong working knowledge of Primavera P6 and other planning methodologies.
• Proficient in creating detailed costed & resourced schedules, progress updates, and performance analytics.
• Strong experience of planning projects on Fixed Price and/or Target Cost NEC Contracts.
• Experience of producing and maintaining risked, P50/P80 underpinning schedules.
• Must hold appropriate Security Clearance and be able to obtain Sellafield clearance.

Responsibilities

• Develop, update and maintain full lifecycle P50 project schedules in Primavera P6, ensuring accuracy of deliverables and alignment with project objectives and delivery targets.
• Update and maintain Programme-level tactical/delivery plans.
• A strong understanding of baseline management and effective implementation of change.
• Work closely with Project Managers to support project forecasting, progress reporting, and scenario planning.
• Generate resource profiles to support the efficient deployment of project resources across the framework.
• Produce and interpret earned value management (EVM) metrics (including performance analysis and variance reporting), critical path analysis and float erosion outputs.
• Ensure programmes comply with NEC 3/4 contract requirements and utilise CEMAR for contract management activities.
• Attend regular progress meetings to capture schedule updates and to provide clear insight on programme performance and critical path impacts.
• Mentoring and development of junior members of the planning team.

Skills

Primavera P6

NEC Contracts

Earned Value Management (EVM)

Progress reporting

Resource planning

Stakeholder communication

Security clearance

Tools

CEMAR

Job description

Amentum is seeking a Senior Planning Engineer to join the Decommissioning Alliance planning team on the Sellafield framework. You’ll deliver P50 schedules, forecast project performance, and support costed, resourced planning in a complex nuclear environment.

You will work with the Planning Manager, Project Managers and clients to ensure accurate schedules, risked planning, and NEC contract alignment. Security clearance is required, with potential for hybrid/part-time arrangements.