Senior Network Engineer, Denver

Key Responsibilities

• Network deployment
• Prepared to be the point of contact for technical tasks.
• Configure and install network devices and services; routers, switches, firewalls, VPNs, VXLAN, etc; ensuring stable, scalable, secure architectures.
• Design and implement Fortinet based security solutions (FortiGate, FortiManager, FortiAnalyzer); monitor and optimize their performance.
• Operate and troubleshoot routing protocols such as OSPF and BGP; support Layer 2 technologies including VLANs, STP and VXLAN.
• Develop network automation and remediation scripts in Python and maintain scripts for monitoring using SNMP.
• Familiar with tools such as wireshark and tcpdump for troubleshooting and fault analysis.
• Datacentre & Infrastructure
• Install and maintain datacentre network racks and structured cabling; perform cable management and ensure wiring is documented and colour coded for easy fault detection.
• Manage power sources and environmental controls in the datacentre facility; liaise with facilities teams on AC/DC power, HVAC and rack layout.
• Security & Monitoring
• Implement next generation firewalls, VPNs and intrusion prevention systems; conduct security assessments and vulnerability scans.
• Monitor network performance and capacity; analyse traffic using network monitoring tools such as Wireshark, SolarWinds or PRTG; plan upgrades and patches.
• Participate in on call rotation and respond to afterhours incidents and deployment requests.
• Documentation & process
• Document network designs, configurations, policies and procedures; maintain asset inventories and cabling diagrams.
• Follow ITIL based change, incident and problem management processes; help develop runbooks and knowledge articles.
• Cross functional collaboration
• Work closely with system administrators, security engineers and application teams to support new services and troubleshoot complex issues.
• Provide Level 2/3 support, mentor junior staff and assist with infrastructure projects.
• Demonstrate understanding of network security and industry best practices.
• Follows industry trends, emerging technologies, and best practices.
• Able to work independently and thrive in a vibrant working environment.
• Able to work unsupervised and think creatively to solve complex problems.
• Excellent communication skills.
• Able to work under pressure.
• Availability for on call and overtime whenever necessary.

Required Experience

• Proven hands-on network engineering experience; CCNP level knowledge or higher preferred.
• Experience working with Cisco products, ideally Firepower (NGFW) and Cisco FMC.
• Demonstrated experience with Fortinet products (FortiGate, FortiManager, FortiAnalyzer); NSE7 certification desirable.
• Exposure to Azure networking or willingness to obtain the Azure Network Engineer Associate certification.