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Join Our Growing Defence Team at Assystem – Project Planner Opportunity!

As our Defence account continues to expand, Assystem is on the lookout for a dynamic and self-motivated Project Planner to help drive successful project delivery within our evolving Project Management Office (PMO).

Partnering closely with our Defence Project Managers, you'll play a key role as the go-to expert for all planning activities across our Defence portfolio. If you're passionate about delivering complex, high-impact projects – we want to hear from you!

Location: Any Assystem UK office
Working Model: Hybrid – flexible mix of home and office working, with ad-hoc travel to client and Assystem offices

Lead Project Planning – Develop and manage schedules internally and with clients

Coordinate Work Packages – Track progress, plan resources, and manage sub-contractor activities

Approve Sub-Contractor Programmes – Review for quality and alignment with overall schedule

Stakeholder Interface – Monitor and report on project progress, changes, risks, and opportunities

Support Proposals – Provide input on planning and manhour estimates for future work

Deliver Reporting – Produce accurate metrics, including critical path analysis, for the Defence Infrastructure Lead Team

What You Bring

Tech-Savvy – Confident in MS Office, particularly Excel and MS Project

Detail-Oriented & Driven – Self-motivated, deadline-focused, and thrives with minimal supervision

️ Clear Communicator – Able to summarise complex data clearly and confidently

️ Analytical Eye – Skilled at assessing sub-contractor inputs and programme accuracy

Precision Focused – Accuracy and attention to detail are second nature

Job Description

Join Our Growing Defence Team at Assystem – Project Planner Opportunity!

As our Defence account continues to expand, Assystem is on the lookout for a dynamic and self-motivated Project Planner to help drive successful project delivery within our evolving Project Management Office (PMO).

Partnering closely with our Defence Project Managers, you'll play a key role as the go-to expert for all planning activities across our Defence portfolio. If you're passionate about delivering complex, high-impact projects – we want to hear from you!

Location: Any Assystem UK office
Working Model: Hybrid – flexible mix of home and office working, with ad-hoc travel to client and Assystem offices

️ Your Key Responsibilities

• Lead Project Planning – Develop and manage schedules internally and with clients

• Coordinate Work Packages – Track progress, plan resources, and manage sub-contractor activities

• Approve Sub-Contractor Programmes – Review for quality and alignment with overall schedule

• Stakeholder Interface – Monitor and report on project progress, changes, risks, and opportunities

• Support Proposals – Provide input on planning and manhour estimates for future work

• Deliver Reporting – Produce accurate metrics, including critical path analysis, for the Defence Infrastructure Lead Team

What You Bring

• Primavera P6 Proficiency – Intermediate level (must-have)

• Tech-Savvy – Confident in MS Office, particularly Excel and MS Project

• Detail-Oriented & Driven – Self-motivated, deadline-focused, and thrives with minimal supervision

• ️ Clear Communicator – Able to summarise complex data clearly and confidently

• ️ Analytical Eye – Skilled at assessing sub-contractor inputs and programme accuracy

• Precision Focused – Accuracy and attention to detail are second nature

Your Qualifications

• Degree preferred (or equivalent experience)

• Primavera P6 training completed

• Project Management certification (e.g. APM) is a plus

Your Experience

• ️ Proven experience as a Project Planner on NEC4 contracts, particularly Options A & C (essential)

• ️ Strong background in major infrastructure design and build projects (desirable)

• ️ Experience in the Nuclear or Defence Industry is a major advantage

Ready to plan your next big move?
Apply now to be part of an innovative team delivering some of the UK’s most exciting Defence infrastructure projects!

Additional information

Permanent Staff preferred but umbrella contractor considered

Home office location can be Derby, Sunderland, Glasgow, Blackburn or Bristol

Due to the nature of this role the successful candidate will require Security clearance. To gain this you will be required to be aSole UK national,

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.