Senior Network Engineer

Purpose

The Senior Network Engineer designs, implements, and supports enterprise network infrastructure across core and branch locations, ensuring reliable connectivity, optimal performance, and robust security. This role leads complex troubleshooting efforts, architects scalable network solutions, and leverages automation and AI-driven tools to enhance operational efficiency while maintaining comprehensive documentation and providing escalation support for critical issues.

The Senior Network Engineer designs, implements, and supports enterprise network infrastructure across core and branch locations, ensuring reliable connectivity, optimal performance, and robust security. This role leads complex troubleshooting efforts, architects scalable network solutions, and leverages automation and AI-driven tools to enhance operational efficiency while maintaining comprehensive documentation and providing escalation support for critical issues.

Essential duties and responsibilities, i.e. those which are basic, necessary, and an integral part of the job, are indicated below:

• Design, implement, and support enterprise wired and wireless network infrastructure across core and branch locations to ensure reliable connectivity and optimal performance.
• Lead troubleshooting efforts and conduct root cause analysis on complex security incidents and firewall-related issues, implementing corrective actions to prevent recurrence.
• Architect and maintain remote connectivity solutions, VPN infrastructure, and ISP connections to support secure and seamless access for distributed users and locations.
• Implement system enhancements that improve network reliability, security posture, and overall performance while aligning with business objectives and industry best practices.
• Maintain network hardware and software currency by ensuring appropriate security patches, firmware updates, and configuration standards are consistently applied.
• Monitor network health through performance metrics and diagnostics, recommending and implementing solutions to improve security, performance, and cost efficiency.
• Develop and maintain comprehensive technical documentation including network diagrams, standard operating procedures, and configuration guidelines to support operational excellence.
• Stay current with emerging cybersecurity threats, vendor product updates, and industry best practices to proactively address vulnerabilities and leverage new capabilities.
• Leverage AI-driven tools and automation technologies to enhance operational efficiency, improve scalability, and reduce manual intervention in routine network management tasks.
• Participate in on-call rotation to provide escalation support for critical networking issues, ensuring timely resolution and minimal business impact.

• Infrastructure & Security Manager

• None

• Vendors, Technology Partners, Solutions Providers, and Consultants.

• All Divisions and Personnel within the Teichert Family of Companies

• Bachelor’s Degree in Computer Science, Electrical Engineering, MIS, or an equivalent combination of training, education, and experience.
• Professional certifications such as the Cisco Certified Network Professional (CCNP) or similar highly desirable.

• Minimum of 5-10 years of experience in enterprise networking, with extensive hands‑on experience designing, operating, and supporting WAN and LAN infrastructures, routing and switching platforms, firewalls, and network management tools.

• Advanced proficiency with Cisco infrastructure (switches, routers, voice gateways, ASA/Firepower firewalls, FMC, Unified Communications, VPN, Umbrella, wireless access points) and Fortinet ecosystem (Forti Gate, Forti
  
  NAC, Forti Manager, Forti Analyzer).
• Advanced understanding of core networking protocols and technologies including TCP/IP, NAT, DMVPN, VPN, DNS, SNMP, EIGRP, RADIUS, DHCP, IPSec, SSL, 802.1x, and VoIP.
• Deep knowledge of wireless technologies including 802.11 standards, RF fundamentals, LTE/5G, and satellite connectivity.
• Hands‑on experience implementing Network Access…