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