When CATIA and Siemens NX are compared by demand in aerospace and automotive manufacturing, there is no single answer that works for every market. Both systems remain strong and deeply embedded in large industrial supply chains. But current vacancies show that they do not appear in exactly the same types of roles. CATIA appears more often in design positions directly tied to aerospace and automotive development. NX is also widely required, but it is very often connected to a broader engineering environment that includes PLM, Teamcenter, large assemblies, manufacturing integration, and cross-functional work.
That is why the practical question is not which system is stronger in the abstract, but where each one is more often required by employers. In some segments, CATIA is more visible as the entry point into aerospace and automotive design teams. In others, NX is stronger where the engineer works inside a heavier digital and production environment.
Why CATIA often looks more visible in aerospace and automotive design
Current LinkedIn results make this especially clear in France, Germany, and Spain. In France, LinkedIn shows more than 1,000 vacancies for CATIA and CATIA V5, and those results regularly include aerospace and automotive roles involving Airbus Defence and Space, Safran, Stellantis, SEGULA Technologies, automotive platform design, and airframe-related positions. In Germany, LinkedIn shows around 566 vacancies for CATIA, and in Spain around 366 for CATIA V5. In the Spanish results, CATIA appears next to roles such as aerospace tooling designer, airframe structural design engineer, junior automotive CATIA design, and similar aerospace or automotive positions.
That is an important signal. In continental Europe, CATIA remains closely tied to the traditional aerospace and automotive CAD environment. Dassault’s official materials support that picture indirectly: CATIA has specialized aerospace design workflows, and transportation and mobility remain core industry areas around the platform. For an engineer, this means CATIA is often a direct route into teams whose main work is built around aircraft and vehicle design.
Where Siemens NX becomes stronger
NX looks slightly different in the market. It is not weaker, but its demand is often tied not only to pure CAD work, but to a broader engineering stack. In Spain, LinkedIn shows more than 1,000 vacancies for Siemens NX. In the United Kingdom there are around 792, and in Germany the results for NX and Siemens NX consistently show hundreds or thousands of postings, including mechanical design, EV, motorsport, turbomachinery, aerospace and defense, and Teamcenter-related roles.
The pattern around NX is different. It appears not only in product design roles, but also in CAD and PLM, systems design, manufacturing, composites, CAx consulting, and engineering process positions. Siemens’ official materials fit that pattern well. NX, which was renamed Designcenter in Siemens’ official product line in June 2026, is positioned as a high-end product engineering environment. Siemens also maintains dedicated aircraft design workflows for aerospace and separate vehicle design workflows for automotive, with emphasis on complex components, large assemblies, and digital-twin logic. In other words, NX is especially strong where design is tightly connected to the rest of the engineering and manufacturing environment.
In automotive, CATIA is often more visible in the classic OEM design chain, while NX is stronger in a broader engineering stack
In automotive specifically, CATIA appears more often in body, platform, interior, packaging, and general vehicle-development roles at OEMs and contractors working close to OEM programs. Current vacancies make that visible through companies such as Stellantis, SEGULA, BCNC Group, and similar engineering contractors. These positions are usually closer to the traditional automotive CAD environment where CATIA has remained a familiar tool for many years.
NX is also very visible in automotive, but its profile is somewhat different. It often appears where enterprise integration, simulation-adjacent workflows, manufacturing continuity, vehicle components, EV development, and Teamcenter environments matter alongside CAD. That is why in automotive, the answer to which system is more in demand often depends on whether the target is a classic CATIA-heavy OEM design team or a broader NX-heavy engineering ecosystem.
In aerospace, CATIA is often more visible in design roles, while NX is strong in integrated engineering environments
In aerospace, the same pattern appears again. CATIA is regularly visible in airframe, aerostructure, tooling, and aircraft design positions, especially in France and Spain, where current results include Airbus Defence and Space, Safran, and sector-specific contractors. For many aerospace design teams, it remains one of the most natural entry tools.
NX is also very strong in aerospace, but more often where the work goes beyond geometry and surface modeling into a more complex engineering flow involving composites, assemblies, downstream manufacturing, CAx infrastructure, digital thread, and Teamcenter integration. Even current vacancies and Siemens materials show that NX is deeply embedded in aerospace engineering, but its strength is often most visible not in an isolated CAD role, but in an integrated platform environment.
Which one is more in demand in practice
If the answer is limited strictly to what current aerospace and automotive vacancies show, CATIA more often appears as the explicit requirement in classic design roles inside aviation and automotive environments, especially in continental Europe. NX does not look weaker in market importance, but its demand is spread across a wider range of functions: design, PLM, CAx, manufacturing, and complex engineering integration. So in pure visibility inside aerospace and automotive design functions, CATIA is often more noticeable. In the wider scope of work inside a heavy digital production environment, NX often covers a broader range of use cases.
The practical conclusion is straightforward. If the target is a traditional aerospace or automotive CAD design team, CATIA is very often the more direct choice. If the target is integrated engineering, Teamcenter, large assemblies, manufacturing continuity, and enterprise-scale workflows, NX can be just as useful and sometimes more useful. The real decision should be based not on abstract brand popularity, but on the role type and the employer’s digital environment.