Amentum
nuclear
PlannerofWork
Neural analysis suggests this role is
optimal for Mid+ candidates.
“Planner of Work at Amentum. Skills: construction programme integration, construction programme maintenance, construction programme assurance, sequencing, risk informed planning, resource alignment, gated processes compliance, site constraints compliance, programme risk identification, programme clash identification, programme constraint identification, critical path identification, key milestone identification, progress data collection, look ahead schedule production, change event assessment, mi”
What You'll Achieve.
safe, compliant and efficient delivery of works on the Sellafield Site; safely accelerating decommissioning, remediation and high‑hazard risk reduction; safely and efficiently delivering Sellafield’s decommissioning and nuclear waste objectives; delivery of social value in line with the DNWP framework
Industry & Context.
risk informed planning; programme risk identification; programme clash identification; programme constraint identification; mitigation plan development; recovery plan development; alternative sequence testing; delivery strategy testing
working on the Sellafield Site, working across one of the most complex nuclear sites in the world
What They're Looking For.
Must Have
HNC or equivalent Level 4 qualification in discipline or construction, Significant experience within a construction role, working in a highly regulated and quality assured industry, Incorporated Engineer Status or Equivalent Professional Membership, Demonstrable experience in identifying and communicating programme risks, clashes, and constraints impacting planned works, Previous experience in production and maintenance of the Plan of Work and Plan of the Week, Demonstrable experience in assisting the development of mitigation and recovery plans where delays or constraints arise, Previous experience in progress reporting and monitoring, Able to communicate information effectively at all levels and prepare clear and thorough reports and any other written information, Good stakeholder management skills
What You'll Do.
maintenance and assurance of the construction programme
ensuring construction activities are logically sequenced
and compliant with Sellafield gated processes and site constraints
Maintain the construction programme in accordance with the approved scope
sequencing strategy and Sellafield gated process
Ensure programmes reflect constructability
safety case dependencies
Maintain the baseline programme
incorporating approved change where authorised
Integrate subcontractor and package level schedules into a coherent master programme
Support the Project / Delivery Manager in the production and maintenance of the Plan of Work
Maintain the master programme into near term plans
including Plan of the Week (PoTW)
Validate that planned activities are achievable
and appropriately resourced
Identify and communicate programme risks
and constraints impacting planned works
Highlight critical path activities and key milestones to the project team
Collect progress data from site teams
Produce look ahead schedules to support safe execution of works
Support assessment of change events and their impact on the programme
Assist in the development of mitigation and recovery plans where delays or constraints arise
Work with the Project Manager to test alternative sequences or delivery strategies
Support internal and client audits by providing programme evidence
and coordination meetings as required
How You'll Work.
Team & Collaboration
work in close collaboration with Construction and Delivery teams; interface directly with Sellafield Ltd planning and assurance representatives; work collaboratively
Communication Scope
communicate information effectively at all levels; prepare clear and thorough reports and any other written information
Process & Methodology
process management, cross-functional coordination, resource planning, continuous improvement, construction programme integration, construction programme maintenance, construction programme assurance, sequencing, risk informed planning, resource alignment, gated processes compliance, site constraints compliance, baseline programme maintenance, change incorporation, master programme maintenance, near term plan development, Plan of the Week (PoTW) production, activity validation, scope validation, resource validation, programme risk identification, programme clash identification, programme constraint identification, critical path identification, key milestone identification, progress data collection, look ahead schedule production, change event assessment, mitigation plan development, recovery plan development, alternative sequence testing, delivery strategy testing, programme evidence provision
Full Job Description
At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business. Amentum is a Lot 1 delivery partner within the Decommissioning and Nuclear Waste Partners (DNWP) Framework, a major Sellafield programme worth up to £4.6 billion and running for up to 15 years. The framework is focused on safely accelerating decommissioning, remediation and high‑hazard risk reduction across one of the most complex nuclear sites in the world. Our nuclear team supports the front‑end design, engineering, technical leadership a
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