Job Boards

Cool Works
Geared to the "older and bolder," this site lists jobs in national parks and far-away places.

Dice.com
Jobs for technology professionals.

Encore Careers
Encore.org, compiled by Civic Ventures in San Francisco, offers resources and job feeds for midlife career changes.

ExecSearches
Job board focuses on government, nonprofit, education and health openings.

ExperienceWorks
National charitable organization helps older, lower-income adults get training to find jobs in their communities. Site includes job listings.

Jobs4.0
This site caters to job hunters over 40.

LinkedIn Jobs
Search for jobs and find contacts at prospective employers at this popular social networking site.

PrimeCB
Division of CareerBuilder.com geared toward experienced workers.

Retireandconsult.com
Match-making service for people looking to turn their professional expertise into post-retirement consulting work. Run by niche job board specialist JobTarget.com

RetiredBrains.com
The name says it all. Job listings are searchable by state or industry

RetirementJobs.com
Site is geared toward 50+ job seekers.

RetireeWorkForce
Focuses on providing unique part-time, flexible, seasonal and full-time positions.

Senior Environmental Employment Program
Grant-based program places retired or unemployed people 55+ to work in Environmental Protection Agency clerical, technical and professional positions.

Seniors4Hire
Registration-based online career center where over 50 job seekers can post resumes or positions wanted and scan available openings.

Senior Service America
Non-profit agency runs federally funded programs that put people 55+ into temporary or full-time jobs with local, state and federal government agencies, including the Senior Community Service Employment Program, Agriculture Conservation Experienced Services Program, and Senior Environmental Employment Program (see above).

SeniorJobBank
The average age of visitors using the job site is 57.

SimplyHired 50+
Online job board has special search tool to pull up only listings for "50+ friendly" companies.

USAjobs
National parks and other federal agencies offer seasonal jobs that appeal to second act-ers seeking a six month-on, six month-off lifestyle. 

WorkForce50
Job site's slogan is "No Pastures Here."

WiserWorker
Browse searchable job postings by state.

YourEncore
Niche site for retired and veteran scientists and engineers. Professionals accepted by YourEncore become "Experts" who are matched with clients.

Change.org
Search for jobs with nonprofit organizations; there's a specific section for experienced workers called "Sector Switchers."

BridgeStar.org
Search for openings at nonprofits.

Idealist
This site, a project of Action Without Borders, lists job, internship and volunteer opportunities.

PeaceCorps.gov
Find a spot overseas in areas such as education, health, business, and information and communication technology.

[Read more: 10 Top Sites for Nonprofit Jobs]

AARP Work
Jobs section of AARP's website includes info on job hunting, employee rights, working after retirement, self employment and more.

ENRGE.us
The Employment Network for Retired Government Experts (ENRGE) website is for retired government employees (and government employees within 12 months of retirement) to post resumes and business interests.

RebootYou
Blog focused on the concept of "rebooting" your life in preparation for the next stage.

The Riley Guide
The "Resources for Women, Minorities and Other Audiences" page on this job-search resource center includes a 50+ Workplace section that lists job boards and other resources for mid-life jobseekers.

Sloan Center on Aging and Work
Boston College-based think tank conducts original research and maintains an extensive library on age-related subjects.

What's Next
Chicago-based publisher specializing in books, blogs and other materials aimed at baby boomers.

Keep Reading: Career Center: Finding Your Second Act After Age 40.