NS&I Hunts for a CEO to Rescue Its £3 Billion 'Project Rainbow' IT Overhaul
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NS&I Hunts for a CEO to Rescue Its £3 Billion 'Project Rainbow' IT Overhaul

Regulation Reporter
4 min read

Britain's state-backed savings bank is offering up to £220,000 for a chief executive willing to inherit one of the public sector's most criticized digital transformation programs, a five-year effort that Parliament recently labeled a 'full-spectrum disaster' after costs nearly doubled to £3 billion.

National Savings & Investments (NS&I) is searching for a permanent chief executive, and the job comes with a specific and unenviable mandate: take control of a digital transformation program that has run years long, billions over budget, and straight into the crosshairs of Parliament's Public Accounts Committee.

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The government-owned bank, which holds savings for roughly 24 million customers and has operated for 164 years, is offering a salary of up to £220,000 for the role. The recruitment notice is unusually candid about what the successful candidate is walking into. While it confirms that NS&I is meeting its core targets for savings and government funding, it also states plainly that the organization "is undergoing a major transformation programme and has experienced significant operational failings recently."

What Happened

The vacancy follows the departure of former chief executive Dax Harkins, who left earlier this year amid a scandal over hundreds of millions of pounds in unclaimed funds owed to the estates of deceased customers. That episode alone would weigh heavily on any incoming leader, but it sits alongside a far larger structural problem.

The centerpiece of that problem is Project Rainbow, NS&I's long-running modernization effort to replace and upgrade its core technology systems. In February, the Public Accounts Committee, the cross-party group of MPs responsible for scrutinizing how public money is spent, described the program as a "full-spectrum disaster." The committee's findings were direct. Costs had grown from an original estimate of around £1.7 billion to approximately £3 billion. After five years of work, NS&I still lacked a credible integrated delivery plan, and the committee concluded the organization did not have the in-house capability to deliver the overhaul. The MPs also flagged that £43 million had been spent on consultants without producing a finished result.

Why It Matters

Large public sector IT transformations fail in recognizable patterns, and Project Rainbow displays several of them at once. The cost overrun is the most visible symptom, but the underlying issues are governance and capability. When a program lacks a credible integrated plan after half a decade, it signals that the various workstreams, such as legacy system decommissioning, data migration, and new platform delivery, are not being managed against a single coherent roadmap. The heavy reliance on consultants without a corresponding transfer of knowledge into the organization is a related warning sign. It tends to leave the client unable to make confident decisions about its own systems.

NS&I has already been reported to be weighing options that are familiar to any troubled program of this scale, including lengthening the delivery timeline and cutting some legacy links to stop ongoing costs from mounting. Each of those choices carries trade-offs. Extending the schedule defers benefits and usually adds cost. Severing legacy dependencies can reduce risk but may strand functionality that customers still rely on.

What the Next CEO Is Expected to Deliver

The job advertisement sets out clear expectations. The new chief executive will hold "end-to-end accountability for transformation and performance of the organisation," meaning there will be no separating the success of Project Rainbow from the success of the leader personally. NS&I is placing unusual emphasis on crisis management experience. Candidates are asked to demonstrate that they have delivered "a major change/transformation programme within consumer facing industries, at scale," and to show a track record in managing operational issues, reputation management, and recovery.

The notice frames the appointment in stark terms, stating it is "crucial that a highly capable, credible CEO is appointed to lead the organisation through these challenges and re-establish NS&I's reputation and standing as a trusted, efficient and effective national institution."

That language tells prospective applicants exactly what the board considers the priority. This is not a growth mandate or a strategy-setting role in the conventional sense. It is a turnaround position, and the metric of success will be whether a program already branded a disaster by Parliament can be stabilized and delivered before the Public Accounts Committee returns for another round of scrutiny.

The Broader Pattern

NS&I is far from the only government body to see a flagship IT program balloon in cost and slip in schedule. The recurring lesson from these cases is that technology is rarely the hardest part. Governance, accountability, realistic planning, and retaining enough internal expertise to challenge suppliers tend to determine whether a transformation lands. The decision to make the incoming CEO directly and explicitly accountable for the program suggests NS&I has absorbed at least part of that lesson. Whether the institution can attract a candidate willing to stake their reputation on rescuing Project Rainbow, and then actually deliver it, is the question the recruitment process will answer over the coming months.

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