Create a detailed profile giving information about employment, education, domain or industry on LinkedIn. Include a photo in the profile.

Highlight your key skills so that your profile is easily found.

Be an Open networker. You can change this in "Accounts and Settings". LinkedIn charges for sending InMails. Hence make it easy for the hiring manager to access you easily by being open Networker. Keep your contact details open. If not number at least e-mail ID.

Keep updating your status on current involvements

Connect with other professionals, your colleagues and similar people in the industry. Increase your network.

Get Recommendations from your peers, subordinates and supervisors.

Join as many groups as possible. LinkedIn allows you to join 50 groups. Join relevant groups based on your industry, skills and job opportunities. You can send messages for free to anyone in the same group. Also you will get frequent updates on current market.

Link your twitter profile with LinkedIn. Promote your LinkedIn profile on your other social networking sites