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1 result for Systems Administrator in New Castle, DE
- Camden, NJ
- onsite
- Permanent / Full Time
- 105000 - 125000 USD / Yearly
- <p>We are looking for an experienced Sr. Network Administrator to lead the design, delivery, and ongoing support of a resilient enterprise network environment. This position plays a key role in maintaining secure, high-performing connectivity across sites while strengthening infrastructure reliability and operational readiness. The ideal candidate brings deep expertise in enterprise routing, switching, firewall administration, and load balancing, along with the ability to resolve complex network challenges and partner effectively with technical teams.</p><p><br></p><p>Responsibilities:</p><p>• Architect, deploy, and administer enterprise network infrastructure to support availability, performance, and future growth across multiple locations.</p><p>• Configure and maintain core networking platforms, including routers, switches, wireless solutions, firewalls, and load balancing technologies.</p><p>• Track network health through proactive monitoring, analyze trends, and take corrective action to prevent service disruption.</p><p>• Investigate and resolve advanced connectivity, latency, and security issues using structured troubleshooting methods.</p><p>• Work with infrastructure, cloud, and application teams to deliver network support for projects, upgrades, and operational initiatives.</p><p>• Apply and enforce network security standards, including firewall policy management, segmentation, and access controls.</p><p>• Contribute to disaster recovery and business continuity planning by validating network resilience and recovery procedures.</p><p>• Maintain clear technical documentation covering network topology, configurations, standards, and support processes.</p><p>• Evaluate and support enterprise technologies such as Cisco Nexus, Fortinet FortiGate, F5 load balancers, cloud networking in Azure, and emerging platforms under consideration.</p><p>• Assist with network automation efforts and operational efficiency improvements using tools such as Ansible when applicable.</p>
- 2026-08-19T00:00:00Z