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Salary
$77k – $99k per year
Location
In office (Whiteley)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 9, 2026. Leidos scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.

SCHEDULER

Location: Hybrid, Whiteley, Hampshire

Security Clearance: This role requires the ability to obtain and maintain UK Security Clearance (SC). Eligibility will be discussed during the recruitment process.

We’re looking for a Project Scheduler to play a key role in shaping and maintaining the Integrated Master Schedule (IMS) for a complex, high-profile programme. You'll help provide clear planning insight across multiple workstreams, ensuring dependencies, risks, and key milestones are understood, managed, and communicated effectively.

This is an exciting opportunity for someone who enjoys bringing structure to complexity, influencing programme delivery, and supporting informed decision-making. You'll work closely with project and programme teams, using your expertise in Microsoft Project and integrated planning to help keep delivery on track.

What You'll Be Doing

  • Develop, maintain, and manage the programme's Integrated Master Schedule (IMS).
  • Bring together plans from multiple teams into a single, integrated schedule with clear logical links.
  • Identify critical paths, dependencies, and scheduling risks, highlighting potential impacts and mitigation options.
  • Review project plans, providing constructive challenge to help ensure schedules are realistic, achievable, and aligned to programme objectives.
  • Collaborate with Project Managers, PMO teams, and programme stakeholders to ensure plans remain accurate and up to date.
  • Produce meaningful schedule reporting, analysis, and forecasts to support decision-making.
  • Help maintain consistent planning standards, assumptions, baselines, and governance processes.

What We're Looking For

We're interested in hearing from people who can demonstrate some or all of the following:

  • Experience in scheduling, planning, or project controls within complex programmes or portfolios.
  • Knowledge of integrated planning, dependency management, schedule assurance, and critical path analysis.
  • Strong working knowledge of Microsoft Project and the creation or maintenance of integrated schedules.
  • Ability to analyse complex information and provide constructive challenge where appropriate.
  • Strong organisational skills and attention to detail.
  • Ability to communicate effectively with a wide range of stakeholders.
  • A collaborative approach and a willingness to work across teams to achieve shared outcomes.

What we do for you:

At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.

We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

  • Contributory Pension Scheme
  • Private Medical Insurance
  • 33 days Annual Leave (including public and privilege holidays)
  • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme and much more!)
  • Flexi-Time Working

Commitment to Diversity:

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.

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:

£58,400.00-£74,900.00

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.

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