Connection refused may be to many reasons including firewall, wrong passwords, wrong config of the db etc, so my job would be to investigate on these, analysing config and logs.
Relevant Skills and Experience
I'm 10+ years mysql admin in the university, I've created a large systems like multi tier/multi server moodle system, hr system etc. with proper maintenance, upgrades, backups etc.
Proposed Milestones
$30 USD - Investigating on possible cause of the problem and then fix it.
Access to server will be required, is it linux based db server? Redhat or any other?