Sr Network Engineer

Insight Global
San Mateo, CA

SR NETWORK ENGINEER

18 months

1x a week on site in SF



As a Senior Network Engineer, you will focus on the core functions of network and security support, engineering: planning, implementation, analysis, maintenance, administration and reporting for the Retail and Corporate environment. Reporting to the Director, Network Engineering, you will be required to apply solid technical, business, and problem-solving skills and create productive relationships with business units and internal IT teams.



  • Design, implement, and support LAN (Aruba), WAN, and WLAN (Aruba) infrastructure across corporate and retail environments
  • Engineer and troubleshoot network security systems, including SSL VPN solutions, Palo Alto and Fortinet firewalls
  • Provide end-to-end engineering and support, from end-points to Cloud Data Centers (Azure/OCI/GCP)
  • Ensure network designs comply with security policies and industry best practices
  • Evaluate new and emerging network security trends, products and technologies
  • Provide end-to-end technical support—from endpoints to cloud data centers
  • Lead and participate in triage for high-severity incidents (P1/P2), including root cause analysis and post-incident reporting (PIR)
  • Use Automation/Scripting to for troubleshooting and administration of repeated tasks
  • Use Splunk to proactively analyze trends and alert on issues
  • Manage scheduled and emergency maintenance of network infrastructure
  • Troubleshoot WAN/SD-WAN connectivity and performance issues (MPLS, T1, DS3, QoS, etc.)


Must Haves

  • Aruba wireless experience
  • 8+ years of overall network technology experience
  • 3+ years of experience with networking and security technologies in a retail environment working directly with store cast
  • 3+ years’ experience in Layer7 Firewalls (Fortinet, PAN)
  • 2+ years hands-on experience with cloud networking (Azure preferred)
  • Automation and GenAI experience a big plus
  • Identify opportunities for automation within software processes, including configuration, backup, and troubleshooting processes using automation and Genai
  • Prefer some experience in scripting languages (Python, Ansible, PowerShell, or VBScript)Load balancer experience (F5 and other lb technologies)
  • Practical experience interacting with and integrating enterprise Large Language Models (LLMs) via APIs (e.g., OpenAI, Anthropic, Google Gemini, or open-source models).
  • Understanding of prompt engineering, model tuning, and RAG architectures tailored to ingest technical network documentation and system logs.
  • Able to lead P1/P2 triage calls and provide detail Post Incident Report written analysis


Plusses

  • Aruba Clearpass experience is extremely helpful, including 802.1X, Radius, AAA, policy Management,
  • Soft Skills – Verbal and written communication are key attributes to be successful in this position
  • Be able to business needs and translate technical tasks
  • Must be results orientated, self-motivated and possess high-energy
  • Must be customer-service-minded and tactful when dealing with customers. Ability to establish and maintain effective working relationships with customers, vendors, coworkers, employees and upper management
  • Self-starter with a proactive approach—drives improvement without waiting for instruction.
  • Experience using tools to gather data to present to manager/leadership:
  • Splunk, Solarwinds, etc…
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