Job Description

We are seeking a highly skilled engineer who can own both Enterprise Voice Infrastructure (Cisco UC/Voice) and Firewall Administration (Cisco/Fortinet/Other) . This hybrid position is designed for a resource who thrives in cross-functional networking and security environments. The engineer will administer voice collaboration platforms while managing network firewalls to ensure secure, reliable, and compliant communications.


Key Responsibilities

• Administer and support Cisco Unified Communications Manager (CUCM), Webex Calling, and Webex Contact Center.
• Provision devices, manage dial plans, SIP trunks, and ensure high availability.
• Manage and support Cistera Voice Recording platform.
• Oversee certificate management (deploy, renew, secure communications).
• Monitor infrastructure performance using LogicMonitor, WhatsUp Gold, or equivalent tools.
• Integrate cloud, on-premises, and hybrid voice systems.
• Enforce compliance, redundancy, and security standards across all voice platforms.

• Configure, administer, and troubleshoot firewalls (Cisco ASA/FTD, Fortinet FortiGate, Palo Alto, or equivalent).
• Manage firewall policies, VPNs, NAT, and ACLs to secure enterprise networks.
• Support segmentation for voice and data traffic, ensuring QoS and secure communications.
• Conduct regular audits and updates to align with security standards and compliance.
• Collaborate with security and networking teams to mitigate vulnerabilities and optimize performance.

• 10+ years of combined Voice/UC and Firewall/Security administration.
• Strong expertise in Cisco UC (CUCM, Webex, SIP, Cistera) and Cisco Security (ASA, FTD, ISE) .
• Experience with Fortinet FortiGate or other enterprise firewalls (Palo Alto preferred).
• Solid understanding of certificate management , encryption , and secure communications.
• Familiarity with monitoring tools (LogicMonitor, WhatsUp Gold, SolarWinds, etc.).
• Proven ability to work across cloud, hybrid, and on-prem voice and security environments .
• Strong troubleshooting and incident response skills across both domains.

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