South Korea’s biggest construction companies built much of their growth around apartments. That model is becoming harder to rely on as weak housing demand, a struggling regional construction market, rising building costs and pressure from real estate project financing weigh on residential development. Now some of the country’s largest builders are moving workers and business development resources toward a very different market, the infrastructure behind artificial intelligence.
That shift should look familiar to companies and investors watching the AI spending boom in the United States. AI requires more than advanced chips and software. It also requires enormous data centers, power supplies, cooling systems and communications infrastructure. South Korea’s government has made becoming one of the world’s leading AI powers a national objective and is expanding computing infrastructure to support that goal. Construction companies that have lost momentum in housing are positioning themselves to capture some of that investment.
The change is already showing up in hiring. Eight of South Korea’s 10 largest construction companies have conducted or completed recruitment for new employees, with some of the most notable openings concentrated in data centers, nuclear power and other businesses outside housing.
Samsung C&T, the construction and trading arm of South Korea’s Samsung Group, recruited workers for its data center business. Hyundai Engineering & Construction, one of the country’s largest contractors, sought employees for large nuclear plants, small modular reactors, data centers and offshore wind projects.
GS Engineering & Construction, another major South Korean builder, went further by identifying data centers as a new business and recruiting people who can find projects and handle permitting and project financing. Daewoo Engineering & Construction, a large Korean contractor with operations in major infrastructure projects, recruited workers for its nuclear business.
The attraction is straightforward. Demand for data processing is rising with the spread of AI and cloud services, creating a growing need for facilities capable of housing computing equipment and supplying it with huge amounts of electricity and cooling. Data center construction also requires expertise that goes well beyond conventional commercial building work, including electrical systems, cooling equipment and communications networks.
The opportunity is widening beyond giant hyperscale facilities. Smaller edge data centers built closer to customers are also expanding the range of potential projects, increasing demand for engineers and project managers who understand specialized digital infrastructure.
Nuclear power represents the other side of the same infrastructure equation. As data centers consume more electricity, reliable power supply is becoming increasingly important to the economics of AI infrastructure. At the same time, South Korean contractors are pursuing opportunities tied to overseas nuclear projects and emerging small modular reactor technology.
That is pushing companies to recruit not only engineers who can design and build nuclear facilities, but also employees with experience in project development and management. The shift suggests that major contractors increasingly see energy infrastructure and digital infrastructure as businesses that can offset weakness in housing.
The change does not mean apartments are disappearing from South Korea’s construction industry. Housing remains a major business. But weak construction investment, sluggish orders, higher costs and financing pressure have made it more difficult for companies to depend on residential development alone.
For the industry, hiring provides an early indication of where companies expect future work to come from. Builders that once competed heavily for apartment projects are now seeking specialists who can construct the physical infrastructure required by AI and new energy systems.
The transition is still at an early stage. But if South Korea continues expanding data centers and nuclear projects, the country’s construction companies could increasingly look less like traditional home builders and more like infrastructure contractors serving the next wave of computing and power investment.
