Ethical Hacker: DoS Mitigation Consultation

I run a mid-sized company with publicly exposed services and a growing user base. Before traffic spikes any further, I want an experienced ethical hacker to examine our network security posture—specifically how well we can withstand denial-of-service attacks... (Budget: $8 - $15 USD, Jobs: Computer Security, Internet Security, Network Administration, Network Monitoring, Network Security, Penetration Testing, Risk Assessment, Web Security)