The semiretired should also look to industries that are ramping up, specifically health care and nonprofits.
"Health care is where all the jobs are, but you have to look around the edges," said Hannon, noting that one mechanically inclined retiree she knows works part-time fixing wheelchairs and gurneys at a hospital. "We see a big need for patient advocates who can help guide patients through the health-care system, from doctor appointments to finding specialists to dealing with health insurance claims."
Former architects and interior designers who specialize in universal design — or remodeling projects that enable seniors to "age in place" — are also in demand.
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And many nursing homes, hospitals, home health-service companies, pharmaceutical firms and medical-device manufacturers — to name a few — have need of bookkeepers, office managers and part-time receptionists as they grow to accommodate the surge of aging baby boomers.
Senior-living communities, likewise, are hiring drivers to transport patients to and from medical appointments, as well as seeking relocation specialists (or "move managers") to assist new residents as they downsize from their homes, Hannon explained.
Nonprofit firms are also fertile ground for job hunters, with 45 percent indicating they plan to hire more workers in 2014, according to consulting firm Nonprofit HR.