According to The Conference Board data for May, 47.2% of US consumers say jobs are plentiful, the highest level of confidence about the labor market since January 2001. The consumer-confidence index rose to 134.1 this month from 129.2 last month.

The World Health Organization has classified workplace burnout -- chronic stress that goes unmanaged -- as an occupational phenomenon. The agency uses three factors to determine burnout, including lower levels of professional efficacy and increasingly negative feelings toward work.

While health insurance and paid time off are still top perks that employees want, there are other perks that younger generations deem important, such as student loan forgiveness, paid parental leave and remote work options. A survey by the American Institute of Certified Public Accountants found young adults also like help with emergency funds and financial literacy.

SecureSet's six-month cybersecurity courses in Colorado is just one example of courses that attract veterans who wish to guard against national threats even after leaving active duty. "Nothing against other areas, but writing code or creating a website isn't as much of a mission as in cybersecurity where you're very much defending a company's assets from cyberattacks," says co-founder Bret Fund.

A human resources department that can scale is crucial to growing a business, writes Christine Soeun Choi of Fit Small Business. Choi recommends four tips for HR expansion, beginning with recognizing when change needs to happen.