DDIS Specialist

We seek a highly skilled Infrastructure Engineer with a strong background in Microsoft Azure, On-Premises Active Directory, and advanced DNS/DHCP/IPAM systems. The ideal candidate will possess an in-depth understanding of all DNS record types and connectivity across hybrid environments, with demonstrated hands-on experience in Infoblox, BlueCat, and other leading DDI platforms. This role requires managing and optimizing enterprise-scale environments, troubleshooting complex networking issues, and contributing to architecture and strategy discussions.

Key Responsibilities:

Manage and maintain Azure AD and on-premises Active Directory environments.

Administer and optimize DNS, DHCP, and IPAM services across hybrid infrastructures.

Configure and troubleshoot all DNS record types (A, AAAA, PTR, CNAME, NS, MX, SRV, TXT, SOA, Glue Records, etc.).

Integrate and manage enterprise DDI platforms such as Infoblox, BlueCat, or equivalent.

Implement and maintain IP address management policies and structure.

Monitor DNS/DHCP health and performance across multi-site environments.

Ensure high availability and fault tolerance of AD/DNS/DHCP services.

Participate in root cause analysis and develop documentation for incident resolution and processes.

Collaborate with security teams to implement DNS security practices such as DNSSEC and DNS filtering.

Design and implement forward/reverse DNS zones and replication strategies.

Participate in migrations, integrations, and upgrades of directory and DDI services.

Develop scripts and automation solutions for DNS/IPAM management (PowerShell preferred).

Mandatory Skills:

3–5 years of hands-on experience with Microsoft Active Directory and Azure AD.

Expertise in enterprise DNS, DHCP, and IPAM in large-scale, complex environments.

Deep knowledge of all DNS record types and their use cases.

Strong understanding of networking fundamentals, connectivity, and hybrid integrations.

Experience with Infoblox, BlueCat, or other enterprise-grade DDI platforms.

Preferred Skills:

Proficiency with PowerShell, Python, or other automation scripting.

Familiarity with DNS traffic routing, Anycast, load balancing, and global failover.

Experience with DNS security protocols and mitigations (e.g., DNSSEC, RPZ, DoH/DoT).

Understanding of hybrid cloud setups and integration challenges.

Certifications (Preferred):

Microsoft Certified: Azure Administrator Associate

Microsoft Certified: Identity and Access Administrator Associate

Infoblox Certified DNS Specialist (CDS)

BlueCat Certified IPAM Specialist

CompTIA Network+ or CCNA

Soft Skills:

Strong problem-solving and troubleshooting skills.

Excellent communication and collaboration abilities.

Ability to document technical processes and lead technical discussions.