Job Description
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:
0–2 years of experience in IT Infrastructure Operations
Freshers with strong fundamentals may be considered
Education:
Bachelor’s 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.
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:
0–2 years of experience in IT Infrastructure Operations
Freshers with strong fundamentals may be considered
Education:
Bachelor’s 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.
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