Location Designation Hybrid - 3 days per quarter

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• 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.
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• 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 Apply To this Job