Inside the Managed Power‑as‑a‑Service Model

Here’s how business can determine when critical platforms become a distraction rather than a differentiator.

IBM Power environments continue to run some of the world’s most important workloads. Across banking, retail, pharmaceuticals, and beyond, IBM Power infrastructure supports critical applications—from core transaction processing to payroll. Increasingly, that footprint also extends into cloud deployments such as IBM Power Virtual Server (PowerVS). The importance of IBM Power Systems hasn’t changed.

What has changed is the reality of managing them.

Across the UK and globally, IT leaders are under pressure to modernise, reduce operational risk, and deliver tangible business value—often with fewer people, tighter budgets, and an increasingly complex technology estate. At the same time, deep IBM Power skills are becoming harder to find, harder to retain, and harder to justify deploying on routine operational work.

For many organisations, this raises an uncomfortable question:

Why are some of your most valuable technical people spending their time patching servers and checking backups in 2026?

The real cost of operational toil

Most IBM Power environments didn’t start out as a burden. They evolved (often organically) over years or decades. What was once manageable has quietly become operationally heavy.

Common challenges we see include:

Highly specialised skills concentrated in one or two individuals
Growing time spent on “keeping the lights on” activities
Manual processes for patching, backups, monitoring, and compliance (across on prem and cloud estates, including PowerVS)
Increased risk around availability, security, and supportability
Internal teams stretched thin across legacy and modern platforms

Operational toil doesn’t just slow teams down—it pulls attention away from the work that actually drives the organisation forward.

A human centric shift in how IBM Power is consumed

The managed Power as a Service model isn’t about replacing IBM Power. It’s about changing how it is operated.

Rather than asking internal teams to continue carrying the full operational responsibility for complex infrastructure, Power as a Service shifts the day to day platform management to a specialist partner—while your business retains control of applications, data, and strategic direction.

In practice, many organisations now run a mixed estate—on premises IBM Power alongside cloud capacity in IBM Power Virtual Server (PowerVS). A managed service model can be designed to operate consistently across both, so processes, controls, and support don’t fragment as the platform footprint evolves.

At its core, the model is simple:

IBM Cloud provides consumption-based IaaS
CSI operates the IBM Power platform
Your teams focus on the workloads that create value

This includes responsibility for the “plumbing” that consumes time but rarely delivers differentiation: monitoring, patching, backup management, system health, and operational support.

IBM PowerVS Explained

What a Shared Responsibility Model Really Means

A managed Power as a Service model is not a loose collection of tools or a best efforts support contract. It is an outcome focused service designed around reliability, availability, and accountability.

From a CIO or infrastructure leader’s perspective, this typically means:

Proactive, 24/7 monitoring and event management
Structured patching and lifecycle management
Enterprise grade backup and recovery oversight
Clear ownership of incidents and remediation
Predictable operational costs
Supportability across IBM i, AIX, and Linux environments

Crucially, it also means removing dependency on a small number of overstretched individuals internally and replacing it with a team of specialists whose sole focus is IBM Power.

The CSI difference

Start with a Platinum Partner

IBM Power is not a generalist platform, and it shouldn’t be managed like one.

CSI’s managed Power as a Service approach is built on decades of deep IBM Power expertise, supporting regulated, high availability environments where failure is simply not an option. BM Power is not something we “also” do—it is a core specialism.

This specialist model gives customers access to:

Certified IBM Power engineers at scale
Established operational runbooks and best practices
Experience across on premises, hybrid, and cloud based Power environments—including IBM Power Virtual Server (PowerVS)
A Platinum Partner accountable for platform outcomes, not just alerts

For many organisations, this is less about outsourcing and more about de risking critical infrastructure while freeing internal teams to work where they add the most value.

Let your Best People do their Best Work

One of the most overlooked benefits of Power as a Service is its impact on people.

Highly skilled developers, architects, and infrastructure leaders are difficult to hire—and even harder to retain if their time is dominated by routine operational tasks. When those individuals are freed from managing patches, responding to alerts, or worrying about overnight failures, something important happens:

They focus on optimisation, integration, performance, and innovation.

That is where experience delivers returns.

The Next Step for IT Leaders

Power as a Service isn’t an all or nothing decision. For many organisations, it starts as a pragmatic step to stabilise operations, reduce risk, or navigate a skills gap before becoming a longer term operating model.

What matters is recognising that:

Operational excellence should not depend on individual heroics
Critical platforms deserve specialist care
Your most valuable IT talent should be focused on business outcomes, not server maintenance

The IBM Power platform remains a strategic asset. The way it is managed needs to evolve.

Free your Teams from Platform Management (and Refocus on Value)

See how CSI’s managed Power as a Service model reduces risk, lowers operational effort, and creates space for innovation.

About the author

Matt Short

Solution Architect

Matt joined CSI in 1995 and is highly regarded by clients for his IBM capabilities.