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Interim Project Manager role at Iron Mountain in Sellafield, UK.

In the era of AI, your data is your advantage. Yet too often it remains untapped: disconnected from systems, underutilized, untrained, and exposed to risk. Iron Mountain is the trusted partner for organizations of all sizes to unlock what’s possible, transforming information into intelligence and assets into advantage. 

How? By seamlessly managing digital and physical assets of all kinds across their lifecycle—making them visible, secure, accessible, and AI-ready. From payments to pathology, mortgages to media, fine art to IT, we’ve helped more than 240,000 customers around the world, including 95% of the Fortune 1000, unlock more value from what’s already within reach. All with unparalleled security, governance, and sustainability at every step. 

What can we unlock together?

Iron Mountain Logo

In the era of AI, your data is your advantage. Yet too often it remains untapped: disconnected from systems, underutilized, untrained, and exposed to risk. Iron Mountain is the trusted partner for organizations of all sizes to unlock what’s possible, transforming information into intelligence and assets into advantage. How? By seamlessly managing digital and physical assets of all kinds across their lifecycle—making them visible, secure, accessible, and AI-ready. From payments to pathology, mortgages to media, fine art to IT, we’ve helped more than 240,000 customers around the world, including 95% of the Fortune 1000, unlock more value from what’s already within reach. All with unparalleled security, governance, and sustainability at every step. What can we unlock together?

Iron Mountain

Vice President, Head of Global Talent Acquisition

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Talent Acquisition Leader - Americas & Global Corporate Functions

Senior Manager, Talent Acquisition

Senior Manager, Global Talent Acquisition

Senior Manager, RPO Client Services - Global Talent Acquisition

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VP, Global Talent Acquisition | Culturally Savvy | Talent Strategy | Trusted Business Partner | People Developer | Recruitment Technology & Transformation

Ronald Lambertson

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Finance Business Partner

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Jessica Bundy

Head of Human Resources

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Arlene Chiu

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HR Manager

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Careers

Project Manager

For over 70 years, Iron Mountain Incorporated (NYSE: IRM) has been your strategic partner to care for your information and assets. A global leader in storage and information management services and trusted by more than 225,000 organizations around the world, including 95% of the Fortune 1000, we protect, unlock, and extend the value of your work—whatever it is, wherever it is, however it’s stored. 

We create the framework necessary to bridge the gaps between paper, digital, media, and physical data and extract value along its lifecycle, helping to build your organizational resilience. And all this with a commitment to sustainability at our core.

Our relationship is a true partnership where you trust us not only to preserve institutional knowledge and enhance efficiency, security, and access but to make your work mean more. Because in that work is the power to not only accelerate your business, but elevate it.

Elevate the power of your work.

Iron Mountain provides solutions for records management, data backup and recovery, document management and more

At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.

We provide expert, sustainable solutions in records and information management, digital transformation services, data centers, asset lifecycle management, and fine art storage, handling, and logistics. We proudly partner every day with our 225,000 customers around the world to preserve their invaluable artifacts, extract more from their inventory, and protect their data privacy in innovative and socially responsible ways. 

Are you curious about being part of our growth stor​y while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation.

**The Opportunity**

**Interim Project Manager - Nuclear Records Management (Security Clearance Required)**

**Location:**Hensingham Business Park (Cumbria) with occasional to travel to Wick & Hinton House (Travel Expenses Covered)

**Job Type:**18 Month Fixed Term Contract (Maternity Cover - October 2026 - March 2028)

We are offering an exciting interim opportunity to join an established Project Management Office (PMO) supporting Iron Mountain’s contract with the Nuclear Decommissioning Authority Archives Limited (NDAAL).

In this role, you’ll have the opportunity to lead a dedicated end-user programme supporting our contract with the Nuclear Decommissioning Authority Archives Limited (NDAAL), ensuring high-integrity governance across key sites. Working closely with operational leaders, client stakeholders, and a team of direct reports, your expertise will help maintain strict regulatory compliance while delivering complex projects on schedule and within budget. You will play a pivotal part in protecting vital assets and driving continuous improvement across a highly regulated environment.

**What You’ll Do**

In this role, you will:

- **Deliver Projects & Governance**: Manage end-to-end project portfolio lifecycles across multiple sites in alignment with PRINCE2 principles and PMO standards.
- **Lead & Coach a Team**: Provide direct line management and daily coaching for direct reports while forecasting resource needs across locations.
- **Oversee Financials & Risk Controls**: Monitor daily budgets, conduct monthly forecasting, apply contract Risk & Assurance Frameworks to mitigate project risks and work closely with the commercial lead on the programme budget
- **Drive Continuous Improvement**: Collaborate with operational managers and Business Analysts to implement process improvements aligned with contract KPIs.
- **Engage Stakeholders**: Serve as the primary PMO contact for client stakeholders and end users to gather requirements, manage scope, and maintain transparent reporting.

**What You’ll Bring**

The ideal candidate will have:

- Proven project management experience, preferably within nuclear or other highly regulated environments.
- Strong knowledge of PRINCE2 methodologies, structured risk management, change control, and financial governance.
- Proven experience in line management and coaching project support staff.
- PRINCE2 Practitioner certification (or equivalent PM qualification).

**What We Offer**

- Competitive salary (18-Month Interim Contract).
- Location: Hensingham Business Park with occasional travel to Wick & Hinton House (travel expenses covered).
- 23 days paid holiday + bank holidays.
- Comprehensive health, wellness, and pension plans.
- Opportunities for continuous learning and professional growth.

If you are ready to apply your project leadership expertise to a high-impact, regulated environment, apply today to join our team.

Category: Operations Group

Interim Project Manager

Operations

Interim Project Manager

Job Description

About the Company

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