Job Description

Title: Unified Voice & Firewall Engineer

Location: Houston, TX - Onsite

Job Type: Long-Term (2+ years)



Position Summary
We are seeking a highly skilled and resourceful Unified Voice & Firewall Engineer to join our team. This is a critical role for our client who can expertly bridge the gap between our enterprise voice collaboration systems and our network firewall security. You will be a key player in ensuring secure, reliable.
This is a unique, long-term opportunity for a hands-on engineer who thrives in a dynamic, cross-functional environment. While the ideal candidate will have extensive experience, we are open to strong candidates with a passion for excellence and a proven track record of success. We are also open to considering two separate resources for the voice and firewall aspects of this role.



Key Responsibilities

• Voice and Unified Communications (UC) Management:
  • Administer and support Cisco Unified Communications Manager (CUCM), Webex Calling, and Webex Contact Center.
  • Manage and maintain voice recording platforms (Cistera or similar).
  • Oversee the entire certificate lifecycle, including deployment, renewal, and securing certificates for voice systems.
  • Monitor voice system performance using tools such as LogicMonitor, WhatsUp Gold, or SolarWinds to ensure optimal quality of service and uptime.
• Network Firewall Security:
  • Configure, administer, and maintain enterprise firewalls, with a primary focus on Cisco ASA/FTD and Fortinet FortiGate .
  • Implement robust firewall policies, Virtual Private Networks (VPNs), Network Address Translation (NAT), and Access Control Lists (ACLs) to secure the university's network.
  • Proactively identify and address security vulnerabilities and risks.
• Cross-Functional Engineering:
  • Serve as the primary point of contact for troubleshooting complex issues that span both the voice and security domains.
  • Collaborate with other IT teams to ensure voice and network systems are integrated seamlessly and securely.
  • Maintain detailed documentation of configurations, procedures, and troubleshooting steps.

Required Skills & Qualifications

• Experience: Hands-on experience in both Voice/Unified Communications engineering and Firewall administration. While 6+ years of experience is preferred, we value expertise and demonstrated capability over a specific number of years.
• Voice/UC Expertise:
  • Strong hands-on knowledge of Cisco CUCM, Webex Calling, Webex Contact Center, and SIP trunks.
  • Proven experience with voice system integration.
  • Proficiency with voice recording platforms.
• Network Security Expertise:
  • Expertise in Cisco ASA/FTD and Fortinet FortiGate administration is a must.
  • Experience with Palo Alto firewalls is a strong plus.
  • In-depth knowledge of firewall policies, VPNs, NAT, and ACLs.
• Certifications:
  • Relevant industry certifications such as CCNP Collaboration, CCNP Security, Fortinet NSE, or PCNSE are highly preferred.
• Monitoring & Tools:
  • Familiarity with network and performance monitoring tools like WhatsUp Gold, LogicMonitor, or SolarWinds.

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