IT Network Engineer III

1 day ago

San Antonio, Texas, United States TriQuest Business Services Full time
Job Title: IT Network Security Engineer III

Term: Direct Hire

Location: Texas (Hybrid – Remote/Onsite after training)

Industry: Financial Services / Information Technology

Overview:

We are seeking an experienced and talented IT Network Security Engineer III to join our IT Network Services team. This senior-level role is responsible for leading the design, implementation, and maintenance of network security systems, as well as serving as an escalation point for complex issues. The position offers a hybrid work schedule following a training period (time frame may vary) at the Administrative Service Center. Applicants must reside in Texas and be able to work remotely from a distraction-free home office with a reliable, hardwired internet connection (Ethernet cable provided).

Essential Functions & Responsibilities:

  • Lead the design, implementation, maintenance, and documentation of new network security technology and systems for corporate and branch locations.

  • Perform senior-level configuration and troubleshooting for routers, switches, ACI, firewalls, IPS, Azure cloud, WiFi access points, and WFH solutions.

  • Act as a top-level escalation point for enterprise-wide LAN/WAN technical support.

  • Mentor and train junior engineers in network security design and troubleshooting.

  • Lead troubleshooting sessions with internal teams, vendors, and business partners.

  • Collaborate with project management, ensuring projects are delivered on time and within budget.

  • Conduct security reviews and vulnerability remediation of network infrastructure.

  • Serve as the primary contact with vendors for installation, maintenance, and troubleshooting of LAN/WAN equipment.

  • Perform project management tasks including task determination, issue tracking, and change management.

  • All other duties as assigned.

Requirements:

  • High School Diploma or GED required; Bachelor's degree preferred.

  • Minimum 5 years' relevant experience in network engineering and security.

  • Advanced knowledge of networking: OSI model, VLANs, IPv4/IPv6, ACLs, routing protocols, NAT, VPN.

  • Strong configuration and command-line experience with Cisco IOS or NX-OS.

  • Familiarity with telephony, PC/server OS, video conferencing, VoIP/SIP, Wi-Fi, APIs, and automation (Ansible/Python).

  • Experience with Microsoft applications, DNS, SSH, tcpdump/Wireshark, and monitoring tools.

  • Working knowledge of cloud technologies (Azure preferred).

Certifications (Preferred/Strongly Desired):

  • CCNP (Cisco Certified Network Professional – Enterprise or Security)

  • PCNSE (Palo Alto Networks Certified Network Security Engineer)

  • Fortinet Certified Professional in Network Security

  • Microsoft Azure Network Engineer Associate

Work Environment & Requirements:

  • Must reside in Texas.

  • Hybrid schedule (remote/onsite) available after training period.

  • Must provide a safe, distraction-free home workspace.

  • Reliable high-speed internet required with hardwired Ethernet connection.

Equal Opportunity Statement:

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

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