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Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.

We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.

Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant.

About Thebusinessunit

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

About The Role

We’re looking for a Senior Technical Planner to join our Nuclear; Defence and Civil team, supporting some of the UK’s most significant and complex infrastructure programmes. These are long term, high impact projects that offer the opportunity to be part of something meaningful , shaping the future of the UK’s energy and defence landscape.

As a Senior Planner, you’ll play a key role in ensuring projects are effectively planned and delivered. You’ll be central to driving clarity and structure across our programmes, working closely with the Project Managers, technical and commercial teams to ensure timelines, risks, and resources are all aligned.

You will provide leadership to the team of existing planners, by demonstrating consistency to the planning processes and by helping protect the commercial and delivery interests of the business.

Planning sits at the heart of our project success, and in this role, you will have real influence and visibility from day one.

Responsibilities

• Manage a portfolio of schedulesensuring clear communication of outputs to stakeholders at all levels.
• Ensure schedules comply with procedures and best practices.
• Apply Earned Value (EV) principles, analyse variances, and recommend mitigation strategies.
• Collaborate with lead and management roles to ensure project success.
• Optimise schedule structures and implement improvements.
• Apply change control measures (ideally within the NEC contract model).
• Conduct schedule integrity checks, assess critical paths, and communicate key issues.
• Work closely with cost engineers, project managers, and control managers to underpin EACs.
• Develop and maintain resource-loaded schedules, applying rules of credit where required.
• Use Bentley Synchro, Primavera P6, and BIM models to create and present detailed project plans.
• Ensure project plans capture full scope, identify risks and opportunities, and uphold Health & Safety standards.
  
  

• Experience in planning, developing detailed resourced schedules, and applying EV techniques on engineering projects.
• Expertise in Primavera P6 and managing a portfolio of schedules.
• Strong communication skills to engage with stakeholders at all levels.
• Awareness of emerging technologies and innovations in project planning.
  
  

• Excellent written and verbal communication.
• Confident in presenting to external stakeholders.
• Commitment to continuous professional development.
• Preferably a member of a recognised professional body (APM, ACostE, or similar).
  
  

• Private medical insurance for all UK colleagues.
• Health cash plan to support you with every day health costs and treatments.
• Access to Peppy, providing free support from menopause experts for all UK colleagues.
• A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.
• Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.
  
  

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary.
• Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury.
• Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
• As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.
  
  

• A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
• Holiday entitlement increased to a minimum of 35 days after 5 years’ service.
• Variety of employee saving schemes and discounts from high-street retailers.
  
  

• Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
• Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.
• Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.
  
  

• Primary annual professional institution subscription.
• A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options.
  
  

• Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
• Make a difference within our communities through our social outcomes.
  
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Other

• Industries

  Civil Engineering

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