APPLICATIONS Talk to maintenance managers trying to recruit and a consistent picture emerges. Candidates are available, but far fewer arrive with the confidence to diagnose faults in hydraulic or pneumatic systems when conditions move beyond the predictable. This is not simply a late-career shortage driven by retirements. The gap is opening much earlier, among those entering the trade with broad engineering knowledge but limited exposure to how fluid power behaves under real operating conditions. That matters because fluid power itself has not become any less central. Across manufacturing, logistics, construction and energy, hydraulic and pneumatic systems remain embedded in everyday processes. What has changed is the level of expectation placed on them. Systems are expected to run more efficiently, integrate cleanly with controls and deliver consistent performance over longer intervals, often under tighter cost and energy constraints. Apprenticeships Apprenticeships are still the primary route into these roles, and recent revisions to standards have widened their scope to reflect the overlap between mechanical, electrical and control disciplines. In principle, this mirrors the reality of the workplace. In practice, it has also created a squeeze on time. Hydraulics and pneumatics are often delivered as part of a wider programme, which makes it harder to develop the depth of understanding that the job demands. A technician may be able to interpret circuit diagrams or identify components, yet still hesitate when a system begins to drift, lose efficiency or behave differently under load. These are not unusual scenarios. They are the conditions in which most systems actually operate. Diagnosing them requires more than familiarity with symbols or procedures. It depends on repeated exposure to faults, and on understanding how variables such as temperature, contamination and wear interact over time. Employers tend to encounter this gap quickly. Fault-finding takes longer, and there is a tendency to replace components rather than isolate root causes. In compressed air systems, where losses of 20 to 30% are not uncommon, that lack of depth translates directly into cost. Many sites are aware that inefficiencies exist but lack the in-house capability to measure and address them with confidence. In practice, this often shows up on production lines where pressure drops or persistent leaks are treated as day-to-day irritations rather than signs of wider system inefficiency. Without the skills to quantify those losses or trace their source, opportunities for improvement are frequently missed. Training providers face their own constraints. Colleges can teach principles effectively, but replicating the complexity of a working installation is more difficult. Demonstration rigs are necessarily controlled environments. They rarely capture the cumulative effects that define real systems, where performance shifts gradually and faults are often the result of several interacting factors rather than a single clear cause. Larger organisations have responded by building additional training around these realities. In-house programmes tend to focus on live equipment, using fault scenarios drawn from actual operations. This approach accelerates learning, but it also underlines how much practical understanding still needs to be developed beyond formal apprenticeship frameworks. For small and medium-sized enterprises, the position is less flexible. They form a significant part of the fluid power landscape, yet often lack the capacity to deliver structured training at that level of detail. Apprenticeships remain one of the few viable entry routes, but they require time, supervision and continuity, all of which can be difficult to sustain in smaller teams. At the same time, the technical demands placed on technicians are shifting. In pneumatics, energy efficiency has moved into sharper focus as businesses seek to reduce operating costs and meet environmental targets. Leak detection, system auditing and optimisation are becoming routine expectations rather than specialist tasks, which places a greater emphasis on understanding performance rather than simple functionality. Hydraulics is undergoing a comparable transition, particularly in mobile and offhighway applications. Electrification is influencing how systems are configured and controlled, bringing greater use of proportional control, electronic feedback and integrated diagnostics. Hydraulics is not being displaced, but it is being asked to work differently, often alongside more advanced control architectures. This combination of mechanical, electrical and control requirements is reflected in training, though not always in sufficient depth. Apprentices may encounter each element, but without sustained focus on fluid power itself, the knowledge can remain fragmented. Strong mechanical skills without an understanding of control systems are no longer enough, 28 HYDRAULICS & PNEUMATICS April/May 2026 www.hpmag.co.uk Hydraulics and pneumatics continue to carry much of the operational load across UK industry, yet the skills pipeline that supports them is under increasing strain. Apprenticeships are expanding, but the balance between breadth and depth is drifting away from what the job actually demands. H&P reports. Building skills in fluid power
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