Programme Change Manager
We are seeking a qualified and experienced Programme Change Manager with proven experience leading large‑scale, complex change initiatives (£10m–£50m p/a) within Defence or similarly regulated environments. Experience in C2 technologies, or mission‑critical programmes is highly desirable.
This role is responsible for designing, leading and embedding sustainable change across complex programmes, ensuring that business, operational, cultural and behavioural change is effectively adopted and benefits realise.
Role Responsibilities
- Lead the programme‑level change management strategy aligned to delivery, commercial and customer objectives.
- Assess and manage change impacts across people, process, technology and operating models.
- Develop and execute change plans, including stakeholder engagement, communications, training and adoption activity.
- Provide change leadership across large, multi‑disciplinary and geographically dispersed teams.
- Partner with Programme Managers, Delivery Leads and Functional Heads to integrate change into delivery plans.
- Support recovery and transformation initiatives for complex or at‑risk programmes.
- Establish and track change adoption and benefits realisation metrics.
- Engage with customers and suppliers to ensure change is understood and embedded.
- Contribute to internal and external reporting at weekly, monthly and quarterly forums.
- Identify, manage and mitigate change‑related risks and dependencies.
- Create and maintain comprehensive change documentation and artefacts.
- Act as a trusted advisor to senior stakeholders on change readiness, adoption and sustainability.
Required Qualifications
- Proven track record delivering programme‑scale change in complex environments (Defence, Government, Intelligence or regulated industries).
- Strong experience in change management methodologies (e.g. ADKAR, Kotter, Lean Change or equivalent).
- Experience working alongside Agile and Waterfall delivery models.
- Excellent stakeholder management skills, including influencing at senior and customer level.
- Ability to operate across business, technical and operational communities.
- Strong analytical capability, with experience assessing change impact and readiness.
- Understanding of commercial, financial and operational drivers within large programmes.
- Experience supporting transformation, recovery or large‑scale transition initiatives.
- Line management or functional leadership experience (desirable).
- Relevant certification in Change Management, APM, PRINCE2, Agile or equivalent.
Applicants must hold SC clearance and be willing to undergo and maintain DV clearance. The role is full‑time, permanent and requires regular travel to South‑of‑England customer and supplier sites. Applicants must be UK nationals. Flexible or home‑working arrangements are available.
Training will be provided where required on Leidos proprietary tools and processes.
Pay Range
£58,400.00-£74,900.00
Benefits
- Contributory Pension Scheme
- Private Medical Insurance
- 33 days Annual Leave (including public and privilege holidays)
- Access to Flexible benefits (life assurance, health schemes, gym memberships, annual buy and sell holidays, cycle to work scheme)
- Flexi‑Time working
E‑EO Statement
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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