Professional Development & Web 2.0 Tools 

County Libraries:

Atlantic County Library: http://www.atlanticlibrary.org/jobs/index.asp

Camden County Library: http://www.camden.lib.nj.us/employment/employment.htm

Hunterdon County Library: http://www.hclibrary.us/librarypolicies/employment.htm

Mercer County Library: http://webserver.mcl.org/lib/jobsmn.html

Passaic County Library: http://www.palsnj.org/listing.htm

Somerset County Library: http://www.somerset.lib.nj.us/sclsweb1/libinfoemploymentopportunities.htm

Warren County Library: http://www.warrenlib.com/warrenlib/positions.htm

Other:

Princeton Public Library: http://www.princeton.lib.nj.us/about/employment.html

Mount Laurel Public Library: http://www.mtlaurel.lib.nj.us/about/employment.html

These general sites will contain many different types of library job postings.

Government:
Federal Government: http://www.usajobs.opm.gov/
State Government:
New Jersey Department of Personnel Job Announcements    
State Library (NJ)      

Special Libraries:
Medicine:
http://www.mlanet.org/jobs/
http://www.mlanet.org/career/career_fair.html

Law:
US- http://www.aallnet.org/hotline/hotline.asp
New Jersey: http://www.njlla.org/jobbankdisplaylistings.cfm

 SLA NJ: http://sla-divisions.typepad.com/njslajobs/

Other General Job Sites:

CareerBuilder.com: http://www.careerbuilder.com
Monster.com: http://www.monster.com/
NJ.Com: http://www.nj.com/jobs/
JobFox: http://www.jobfox.com/
LinkUp: http://www.linkup.com/
Indeed: http://www.indeed.com/