Advanced PowerDNS Configuration & Support

I am expanding an existing PowerDNS (authoritative) deployment and need a seasoned hand to keep everything tight and reliable. The immediate focus is three-fold: full DNS record management, deep-dive troubleshooting... (Budget: ₹1500 - ₹12500 INR, Jobs: DNS, Documentation, Linux, System Admin, System Administration, Technical Writing, Troubleshooting, Ubuntu)