Senior Project Planner

Lockheed Martin Corporation; Ampthill; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Lockheed Martin Corporation is seeking a Senior Project Planner for our Advanced Manufacturing Facility in Ampthill, Bedfordshire. The role offers a 4xFlex pattern (4-day week) with hybrid onsite work, requiring occasional Wednesday/Thursday presence as needed.

You will manage end-to-end planning from proposal to execution, lead planning artefact development, and ensure integrated cost/schedule performance across complex defence engineering programmes. Security clearance (DV) is required.

Qualifications

• Experience as a Project Planner or PMO Planning role.
• Proficiency with Primavera P6 or similar planning tools.
• Experience with resource-loaded schedules and EV/M program controls.
• Strong communication and ability to work under pressure.

Responsibilities

• Maintain end-to-end planning lifecycle from proposal to execution.
• Lead proposal planning and develop planning artefacts for responses.
• Validate cost and schedule integration for performance management.
• Ensure integration between all schedules and program artefacts.
• Model and measure risks and opportunities with schedule/cost baselines.
• Resolve schedule conflicts and implement alternatives.
• Utilise metrics to report actions to programme team.
• Maintain IMS status updates weekly and monthly.
• Support Project Business Rhythm and client reviews.
• Generate Schedule Information for reviews.

Skills

Project Planning

Primavera P6

Resource-loaded Schedules

Earned Value Mgmt

Critical Path

Communication

Adaptability

Tools

Primavera P6

Scheduling Software

Job description

About The Role

We’re looking for a Senior Project Planner to join our Programme Management team at our Advanced Manufacturing Facility in Ampthill, Bedfordshire. This role benefits from our 4xFlex working pattern, offering a 4-day working week Monday - Thursday and hybrid working.

You’ll work full days onsite Monday and Tuesday and you may be required to be onsite on a Wednesday and/or Thursday subject to business needs.

You’ll play a key role in supporting the end-to-end planning lifecycle — from proposal to execution — helping deliver some of the UK’s most complex and innovative engineering programmes.

What You’ll Be Doing

• Maintain the end-to-end lifecycle of planning and schedule management in support of programme capture and execution.
• Lead proposal preparation planning including development of planning artefacts for solicitation response. Interfaces with program management, senior management and the contractual customer as the programs planning integrator.
• Manage the validation of cost and schedule integration for effective program performance management.
• Manage the vertical and horizontal integration between all schedules and other program artefacts compliant with LM's command media.
• Manage the modelling and measuring techniques to integrate risks and opportunities with schedule and cost baseline.
• Manage the resolution of schedule conflicts, develops and implements work-around strategies and tactical alternatives.
• Utilises performance and health metrics to communicate actions to the programme team resulting in improved program performance.
• Maintenance and status updates of the IMS on a weekly & monthly basis.
• Manage the Maintenance of the Performance Measurement Baseline.
• Support to the Project Business Rhythm.
• Manage the generation of Schedule Information for client and management reviews.

Why You’ll Love Working Here

• 4-day working week (Mon–Thu) – enjoy a true work–life balance.
• Hybrid working – 2-4 days a week onsite depending on business needs
• Collaborative culture – work alongside some of the brightest minds in UK engineering.
• Be part of an organisation delivering cutting-edge Defence and technology programmes that make a real impact.

The successful candidate must achieve the appropriate level (DV) of security clearance. More details can be found here

Required Skills, Qualifications And Experience

• Experience as a Project Planner, or similar PMO Planning role
• Experience of Primavera P6, or similar Planning software
• Experience of managing Resource loaded Schedules
• Experience of Earned Value Management and Critical Path Management
• A confident individual who will ensure that best planning practice is always adhered to, even in occasional pressurised situations
• Excellent oral and written communication and presentation skills
• Ability to quickly adapt to new tools, systems, and processes

Desired Skills

• Active SC or DV clearance
• SAP cost planning & reporting
• Background in Defence, MoD, or other complex engineering environments