System Engineer III

• Designing and delivering network solutions using Tesco s current and emerging technologies.
• Implementing and establishing best practices for new network technologies.
• Resolving incidents and problems within your area of expertise.
• Contributing to the Tesco Network Services Technology Roadmap.
• Evaluating new tools and techniques for potential adoption and impact.
• Leading design discussions in your area of expertise and presenting to varied audiences.
• Collaborating with cross-functional technical teams to facilitate seamless infrastructure consumption.
• Keeping technical skills and knowledge up to date with industry trends.
• Introducing automation to streamline day-to-day network engineering tasks.
• Producing and maintaining high-quality HLDs and LLDs, ensuring documentation standards are met.
• Supporting global wireless upgrade and expansion initiatives.
• Participating in secure network access control designs, including NAC and 802.1X deployments.

Essential Skills & Experience

• 10+ years of experience in designing and deploying infrastructure/network solutions at an enterprise scale.
• Expertise in network access control technologies, including Forescout CounterACT and 802.1X.
• Solid understanding of TCP/IP, DHCP, HTTPS, Netflow, Radius, and endpoint access policy management.
• Deep knowledge of routing, switching, wireless, and network security technologies.
• Experience with WLAN Controllers and technologies such as Cisco, Aruba, Meraki, or Juniper Mist.
• Skilled in creating and supporting complex wireless designs, both centralized and distributed.
• Proven track record of automation using Python, PowerShell, or equivalent tools.
• Excellent troubleshooting skills using tools like tcpdump and Wireshark.
• Strong communication and stakeholder management abilities, both written and verbal.
• Experience in creating design documentation and contributing to architecture reviews.

Desirable Skills

• Knowledge of Cisco ISE, Linux scripting, and PKI.
• Understanding of enterprise protocols such as LDAP, DNS, SMTP, SNMP.
• Hands-on experience with both Windows and Linux/macOS environments.
• Understanding of dynamic routing protocols (BGP, OSPF, RIP).
• Forescout certifications (e.g., FSCE) are a plus.