Senior Network Engineer

Fulcrum are seeking an experienced Network Engineer for a client to support and maintain enterprise network infrastructure, network security, and cloud connectivity. This role requires strong hands-on experience with Cisco networking and security technologies, firewalls, application delivery solutions, and cloud environments.

The ideal candidate has a solid background in routing and switching, network access control, and enterprise security, with experience supporting AWS and/or Azure environments.

Key Responsibilities

• Design, configure, maintain, and troubleshoot enterprise network infrastructure, including routing, switching, and network connectivity.
• Manage and support network security technologies, including firewalls, next-generation firewalls, and application firewalls.
• Support Cisco networking and security solutions, including Firepower, Identity Services Engine (ISE), and Application Centric Infrastructure (ACI).
• Configure and troubleshoot network access control (NAC) solutions to help secure enterprise network access.
• Administer and support Citrix NetScaler technologies, including application delivery, load balancing, and application traffic management.
• Support cloud networking and connectivity within AWS and/or Microsoft Azure environments.
• Troubleshoot complex network performance, connectivity, and security issues across on-premises and cloud infrastructure.
• Collaborate with infrastructure, security, and application teams to maintain a secure, reliable, and highly available network environment.

Required Qualifications

• Hands-on experience with enterprise networking, including routing and switching.
• Strong experience with Cisco networking technologies and infrastructure.
• Experience configuring and supporting firewalls, next-generation firewalls, and application firewalls.
• Experience with Cisco Firepower, ISE, ACI, and/or network access control (NAC) technologies.
• Experience with Citrix NetScaler or similar application delivery and load-balancing solutions.
• Experience with cloud networking in AWS and/or Microsoft Azure.
• Strong troubleshooting, analytical, and problem-solving skills.
• Ability to work collaboratively with cross-functional technical teams.

Preferred Qualifications

• Experience supporting large-scale enterprise network environments.
• Knowledge of network security architecture, segmentation, and access control.
• Relevant Cisco, cloud, or network security certifications.
• Experience integrating on-premises network infrastructure with cloud environments.