IT Network Engineer III

IT Network Security Engineer III

Term
:
Direct Hire
Location
:
Texas (Hybrid – Remote/Onsite after training)
Industry
:
Financial Services / Information Technology

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).

• 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.

• 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).

• 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

• 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.

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.