Enterprise DNS & DHCP Operations Engineer

Enterprise DNS & DHCP Operations Engineer -L1

Role Purpose

The L1 Enterprise DNS & DHCP Operations Engineer will be responsible for day-to-day monitoring, basic configuration, and operational support of enterprise DNS (BIND & Microsoft AD DNS) and DHCP services. The role focuses on service availability, routine changes, documentation, and escalation to L2/L3 teams when required .

Key Responsibilities

DNS Operations (BIND & AD DNS)

• Monitor DNS services and servers using enterprise monitoring tools (e.g., HPOM or equivalent).
• Perform routine DNS record management:
• A, AAAA, CNAME, MX, TXT, SRV, PTR, NS records.
• Create and manage DNS zones on Master and Slave servers as per approved requests.
• Configure and maintain DNS forwarders and zone delegations.
• Support IP address changes and FQDN updates following approved change procedures.
• Validate DNS resolution, replication, and zone transfers.
• Take scheduled backups of DNS configuration files on master and slave servers.
• Assist application and infrastructure teams with DNS-related requests and troubleshooting.

DHCP Operations

• Monitor DHCP services and scope utilization.
• Assist in creation and modification of DHCP scopes, reservations, and exclusions (as per SOP).
• Support IP allocation issues and escalate capacity risks to senior teams.
• Maintain DHCP documentation and address management records.

Linux & Server Operations

• Perform basic Linux server administration tasks:
• Monitoring disk space, CPU, memory, and service health.
• Assist with OS patching, compliance checks, and upgrades under guidance.
• Support scheduled backups, restore validation, and DR readiness.
• Execute standard operational tasks using documented SOPs.

Monitoring, Reporting & Documentation

• Maintain daily operational checklists for DNS and DHCP services.
• Prepare weekly and monthly operational reports (uptime, changes, incidents).
• Update Standard Operating Procedures (SOPs) and operational runbooks.
• Follow ITIL-based incident, change, and problem management processes.

Support & Coordination

• Provide support to internal teams during planned activities (including after office hours when required).
• Participate in on-call or shift rotations as defined by operations.
• Escalate incidents promptly to L2/L3 teams with clear diagnostics and logs.

Required Skills & Qualifications

Technical Skills

• Basic understanding of DNS concepts and architecture .
• Hands-on exposure to:
• BIND DNS
• Microsoft AD DNS
• DHCP services
• Familiarity with Linux (preferably RHEL or compatible distributions).
• Understanding of networking fundamentals:
• TCP/IP, subnets, DNS, DHCP, firewalls.
• Experience with monitoring tools (HPOM or similar).
• Basic exposure to backup and restore procedures.

Soft Skills

• Good communication and coordination skills.
• Ability to follow defined processes and SOPs strictly.
• Willingness to learn and work under guidance.
• Strong attention to detail and documentation discipline.
• Ability to work in shifts and handle after-hours support when required.

Experience & Education

• Experience:
• 02 years of experience in IT Infrastructure Operations
• Freshers with strong fundamentals may be considered
• Education:
• Bachelors degree or diploma in Computer Science, IT, or related field

Work Environment

• Enterprise production environment supporting critical business services .
• May require after-hours or weekend support during maintenance windows or incidents.

Strict adherence to change management, security, and audit requirements.