Senior Network Engineer, Denver

Indigo TG

$100K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of network engineering experience
  • CCNP level knowledge or higher preferred
  • Experience with Cisco Firepower and FMC products
  • Familiarity with Fortinet solutions; NSE7 certification desirable
  • Exposure or willingness to learn Azure networking

Responsibilities

  • Serve as point of contact for complex technical tasks
  • Configure and maintain network devices such as routers and firewalls
  • Design Fortinet-based security solutions and optimize performance
  • Troubleshoot and operate routing protocols like OSPF and BGP
  • Develop automation scripts using Python and maintain monitoring scripts

Benefits

  • Collaborative work environment
  • Opportunities for professional development and certifications
  • Flexible work location for the right candidates within the same time zone
  • Participation in on-call rotation
  • Mentoring and support of junior staff
Full Job Description
About The Role

We are looking for a dynamic and motivated Senior Network Engineer to design, implement and maintain our network infrastructure across on premises data centres and cloud environments. Ideally you'll work from our Denver NOC, yet will also consider someone in the same time zone.

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.


About You

  • Demonstrate understanding of network security and industry best practices.
  • Follows industry trends, emerging technologies, and best practices.
  • Willingness to upskill and pursue relevant certifications for professional development.
  • Able to work independently and thrive in a vibrant working environment.
  • Ability 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
  • Possesses the right to work in the USA.
  • Willingness to support after hours or emergency work and to remain on call.


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.


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