Project Scheduler Location : This is a Hybrid role. Whiteley, Hampshire Clearance Required : This role will require attainment and maintenance of SC clearance We are seeking an experienced Project Scheduler to take ownership of the Integrated Master Schedule (IMS) for a complex, large-scale programme. This role is critical to providing accurate planning, insight, and assurance across multiple workstreams, ensuring that dependencies, risks, and contractual milestones are clearly understood and effectively managed. The successful candidate will have a strong background in scheduling within complex programmes and be highly skilled in Microsoft Project, with the ability to critically analyse and challenge plans to support confident decision-making. What will I be doing? Develop, maintain, and own the Integrated Master Schedule for the programme. Consolidate schedules from multiple workstreams into a coherent, logically linked master plan. Perform critical path and dependency analysis to identify schedule risks and mitigation options. Review and challenge project plans to ensure realism, robustness, and alignment with contractual milestones. Work closely with Project Managers, PMO, and Programme Leadership to ensure schedule accuracy and integration. Produce schedule-related reporting, analysis, and forecasts for senior stakeholders. Ensure scheduling standards, assumptions, and baseline controls are consistently applied. What does Leidos need from me? Proven experience as a Scheduler or Planning professional on complex programmes or portfolios. Strong understanding of integrated planning, critical path analysis, and schedule assurance. Advanced proficiency in Microsoft Project; experience with integrated master schedules is essential. Ability to analyse and interpret complex plans and provide constructive challenge. Excellent attention to detail and strong organisational skills. Confident communicator, able to engage with stakeholders at all levels of the organisation. Who We Are: Leidos UK & Europe – we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: £44,700.00-£57,300.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.