Senior DNS Administrator

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain. We are seeking a DNS Administrator with hands-on experience managing enterprise DNS, Active Directory-integrated DNS, zones, records, forwarders, and conditional forwarders.Key ResponsibilitiesAdminister and maintain DNS services across enterprise Windows Server environments. Manage DNS zones, A/AAAA, CNAME, MX, PTR, TXT records, and other DNS record types. Configure and maintain Primary/Secondary DNS, Forwarders, Conditional Forwarders, and Stub Zones. Manage Active Directory-integrated DNS, including DNS replication and integration with AD services. Troubleshoot DNS resolution, connectivity, propagation, and performance issues. Monitor DNS health, availability, and performance and proactively identify potential issues. Support DNS changes, migrations, upgrades, and infrastructure projects while following change-management procedures. Work closely with network, systems, security, and application teams to resolve DNS-related incidents. Maintain DNS documentation, configuration standards, and operational procedures. Ensure DNS infrastructure follows security and availability best practices. Required Skills7+ years of experience in DNS administration. Strong hands-on experience with Windows Server DNS and Active Directory. Good knowledge of TCP/IP, DHCP, networking, and IP addressing. Experience with DNS troubleshooting tools and commands such as nslookup, dig, and PowerShell. Knowledge of DNS security, DNSSEC, access control, and secure DNS configuration is an advantage. Experience working in enterprise production and 24×7 support environments.WHAT’S ON OFFER: You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression. To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to neelu@aven-sys.com Your interest will be treated with strict confidentiality. CONSULTANT DETAILS: Consultant Name : Neelu Sharma AvensysConsultingPteLtd Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.