IT Infrastructure Engineer

Amperesand6 months ago
San Francisco, CA, United States
On-site
Full-time
Junior Level (1-3 years)

Job Description

Responsibilities

Network Engineering

  • Design, deploy, and maintain LAN/WAN infrastructure across San Francisco, Reno, and Singapore office locations
  • Administer and optimize Cisco Meraki environments, including MX security appliances, MS switches, and MR access points
  • Manage site-to-site VPN tunnels and Client VPN configurations, ensuring reliable and secure connectivity across all sites
  • Configure and maintain VLANs, routing, firewall policies, and content filtering rules
  • Monitor network performance and availability using Meraki Dashboard and other network monitoring tools, proactively identifying and resolving issues
  • Plan and execute network infrastructure changes, upgrades, and expansions with minimal disruption to operations
  • Manage DNS, DHCP, and IP address management (IPAM) across all sites
  • Develop and maintain network documentation, including topology diagrams, IP schemas, and configuration runbooks
  • Participate in on-call rotation for critical network incidents affecting global sites

IT Support (San Francisco Office)

  • Provide hands-on IT support to San Francisco office staff for hardware, software, and connectivity issues
  • Triage, prioritize, and resolve helpdesk tickets in a timely manner, escalating complex issues where appropriate
  • Support onboarding and offboarding of employees, including workstation setup, account provisioning, and equipment management
  • Manage and maintain office AV/conferencing systems, printers, and peripheral devices
  • Collaborate with the broader IT team on endpoint management, identity and access, and IT operations initiatives

Security & Compliance

  • Implement and enforce network security best practices, including segmentation, access control, and threat detection
  • Assist with vulnerability assessments and remediation efforts as they relate to network infrastructure
  • Ensure network configurations align with company security policies and compliance requirements

Qualifications

  • 3+ years of experience in IT infrastructure, network engineering, or network administration roles
  • Hands-on experience with Cisco Meraki, MX, MS, and MR product lines, this is a hard requirement
  • Solid understanding of networking fundamentals, including TCP/IP, BGP, OSPF, VLANs, STP, NAT, and subnetting
  • Experience managing site-to-site VPNs and remote access/Client VPN solutions
  • Familiarity with firewall policy management and network security principles
  • Proven experience providing end-user IT support in a corporate environment
  • Strong troubleshooting and diagnostic skills across both network and general IT domains
  • Excellent written and verbal communication skills, with the ability to explain technical concepts to non-technical users
  • Ability to work independently, manage priorities, and coordinate across time zones

Bonus Qualifications

  • Cisco certifications such as CCNA, CCNP, or Meraki SD-WAN Specialist
  • Experience supporting multi-site, internationally distributed network environments
  • Familiarity with Microsoft 365, Microsoft Azure, and cloud networking concepts
  • Experience with network automation or scripting, including Python, Ansible, or similar tools
  • Background in IT operations or systems administration in addition to networking
  • Experience with OT/IoT network segmentation, manufacturing or industrial environments preferred

Please note: This role requires working on-site 5 days a week. We do not offer hybrid or remote options.

Required Skills

DNS Management
Cisco Meraki
Network Engineering
Helpdesk Support
Troubleshooting
Network Security
LAN/WAN Infrastructure
Documentation
Site-to-Site VPNs