Location Designation:
Hybrid - 3 days per quarter
• *
• *
The
Senior
Network Engineer – Core Network Services
is responsible for the administration, maintenance, and support of the organization’s
DNS, DHCP, IPAM (DDI)
, and
load balancing infrastructure
. This role ensures reliable and secure network service delivery across enterprise, cloud, and data center environments.
• * The ideal candidate has hands-on experience managing
DDI platforms (e.g., Infoblox, BlueCat)
,
load balancers (F5, Citrix ADC, or AWS ALB/NLB)
, and core IP networking components. This role is part of a team that ensures high availability, performance, and compliance for foundational network services used across all business applications and systems.
• *
• * Key Responsibilities
• * Core Network Operations
• *
• Administer and maintain enterprise
DNS, DHCP, and IPAM (DDI)
infrastructure, ensuring consistent availability, accuracy, and performance.
• Manage and support
load balancing solutions
(e.g.,
F5 BIG-IP, Citrix ADC, or AWS ALB/NLB
) for on-prem and cloud applications.
• Configure and maintain
virtual servers, pools, SSL certificates, health monitors, and traffic policies
on load balancers.
• Monitor system health and respond to
alerts, performance issues, or service disruptions
.
• Support
zone management, record updates, and IP address provisioning
according to established change procedures.
• Ensure proper integration and synchronization between DNS, DHCP, and IPAM systems.
• * Incident, Change & Problem Management
• *
• Serve as a
Tier 2/3 escalation point
for DNS, DHCP, and load balancing incidents.
• Troubleshoot name resolution, IP allocation, or traffic flow issues using tools like
Wireshark, nslookup, dig, tcpdump
, or vendor diagnostics.
• Participate in
root cause analysis (RCA)
and implement corrective actions for recurring network service issues.
• Follow ITIL-aligned
change management processes
to plan and execute configuration changes, upgrades, and patches with minimal downtime.
• * Maintenance & Security
• *
• Perform
system upgrades, patches, and configuration backups
for DDI and load balancing platforms.
• Implement and maintain
security best practices
, including
DNSSEC, ACLs, SSL/TLS certificate management
, and traffic encryption.
• Partner with Security teams to address vulnerabilities, maintain compliance, and support incident response activities.
• Maintain and audit
network service configurations
to ensure accuracy, standardization, and alignment with enterprise architecture.
• * Collaboration & Documentation
• *
• Work closely with
Network Engineering, Cloud, and Application teams
to support new deployments, migrations, and network designs.
• Assist application owners with load balancer configurations, health checks, and performance optimization.
• Maintain detailed documentation of DNS zones, DHCP scopes, IP allocations, load balancer configurations, and operational runbooks.
• Participate in
disaster recovery testing
and contribute to business continuity planning for network services.
• * Continuous Improvement
• *
• Identify opportunities to
automate DDI and load balancing operations
using
APIs, Python, PowerShell, or Ansible
.
• Proactively monitor trends and recommend improvements for performance, scalability, and manageability.
• Evaluate and test emerging technologies and upgrades to enhance reliability and agility.
• * Qualifications
• * Required
• *
• Bach
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