Network Security & Infrastructure Engineer - Senior

Job Title:

Senior Network Security Engineer Overview / Summary The Senior Network Security Engineer will provide L3 support across network and network security operations. This role is responsible for maintaining secure and reliable network infrastructure, supporting incident response, troubleshooting complex connectivity issues, and ensuring infrastructure security controls are functioning effectively.

Key Responsibilities
• Provide L3 network support across LAN/WAN, routing, switching, and connectivity.
• Provide L3 network security support for firewalls, VPNs, IDS/IPS, and access controls.
• Maintain and troubleshoot routers, switches, firewalls, load balancers, and proxy servers.
• Support routing protocols including BGP, OSPF, EIGRP, and MPLS.
• Monitor network performance, availability, security events, and infrastructure health.
• Analyze performance metrics and recommend improvements.
• Support data center network design principles for reliability and high availability.
• Partner with vendors for WAN/LAN, cabling, firewall, telecom, and infrastructure services.
• Create and maintain network documentation, diagrams, configurations, and procedures.
• Participate in root cause analysis, incident response, and on-call escalation.

Required Qualifications
• 7+ years of network engineering, infrastructure support, or related IT experience.
• Strong L3 network support experience.
• Strong L3 network security experience.
• Experience with firewalls, VPNs, IDS/IPS, access control policies, and secure network operations.
• Experience with TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS, routing, and switching.
• Experience supporting routers, switches, firewalls, load balancers, and proxy servers.
• Experience with network monitoring and diagnostic tools.
• Strong troubleshooting, documentation, communication, and incident response skills. What Makes HTC A Great Place To Build Your Future HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You’ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.

At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks. Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect.

We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected. #LI-NS1 #LI-Hybrid #Hiring