Senior Network Engineer

Calance; San Francisco (CA); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Calance, headquartered in San Francisco, seeks a Senior Network Engineer to manage day-to-day network operations across SF, NYC, and Chicago. This full-time, contract-to-hire role is based at the SF HQ with a hybrid schedule: four days onsite and one day remote per week.

You will work in a multi-vendor environment focusing on Cisco Meraki and Juniper gear, handling firewalls, switches, and access points, while ensuring security and performance across sites.

Qualifications

• 5+ years of experience in network engineering/administration.
• Hands-on experience administering Cisco Meraki environments (firewalls, switches, access points, Meraki Dashboard).
• Working experience with Juniper networking equipment (switches and access points).
• Strong understanding of networking fundamentals: TCP/IP, VLANs, routing/switching, DHCP, DNS, VPN.
• Experience troubleshooting multi-site, distributed network environments.
• Solid understanding of network security best practices (firewall policy, segmentation, access control).
• Excellent troubleshooting, documentation, and communication skills.
• Ability to work full-time onsite in San Francisco (4 days/week onsite, 1 day remote).

Responsibilities

• Own the day-to-day administration, monitoring, and troubleshooting of network infrastructure across San Francisco, NYC, and Chicago.
• Configure, maintain, and optimize Meraki firewalls, switches, and access points across all locations.
• Configure, maintain, and troubleshoot Juniper core switches, access switches, and access points in the Chicago environment.
• Monitor network performance and proactively identify and resolve connectivity, latency, and reliability issues.
• Manage firewall rules, VLANs, VPN configurations, and network segmentation to ensure security and performance.
• Perform firmware/software updates, patching, and lifecycle management of network hardware.
• Support wireless network performance and coverage across all sites.
• Document network topology, configurations, and standard operating procedures.
• Respond to and resolve escalated network incidents, coordinating with IT support teams as needed.
• Partner with security, IT, and facilities teams on network changes, new site rollouts, and infrastructure projects.
• Maintain compliance with internal network security standards and policies.
• Provide occasional after-hours or on-call support for critical network issues as needed.

Skills

Network engineering

Troubleshooting

Documentation

Communication

Tools

Cisco Meraki

Juniper

Job description

**Will only consider Local Bay Area candidates, onsite interviews required*

**This is a contract hire, client is unable to provide visa sponsorship, now or in the future. Candidates must be able to work in the U.S. on a permanent, ongoing basis without any need for current or future sponsorship."**

Location: San Francisco, CA (HQ) — 4 days onsite / 1 day remote per week Employment Type: Full-Time, Contract to hire after 6 months. Reports To: IT Infrastructure Manager

About the Role

We are seeking an experienced Senior Network Engineer to manage and support the day-to-day network operations across our three locations: San Francisco (HQ), New York City, and Chicago. This role is based full-time out of our San Francisco headquarters, with a hybrid schedule of four days onsite and one day remote each week.

The ideal candidate is a hands-on networking professional comfortable working across a multi-vendor environment, with deep expertise in Cisco Meraki and solid experience with Juniper networking equipment. You'll be the primary point of contact for network health, performance, and troubleshooting across all three sites.

• San Francisco & New York City: Meraki Firewalls, Meraki Core Switches, Meraki Access Switches, Meraki Access Points
• Chicago: Meraki Firewalls, Juniper Core Switches, Juniper Access Switches, Juniper Access Points

Key Responsibilities

• Own the day-to-day administration, monitoring, and troubleshooting of network infrastructure across San Francisco, NYC, and Chicago
• Configure, maintain, and optimize Meraki firewalls, switches, and access points across all locations
• Configure, maintain, and troubleshoot Juniper core switches, access switches, and access points in the Chicago environment
• Monitor network performance and proactively identify and resolve connectivity, latency, and reliability issues
• Manage firewall rules, VLANs, VPN configurations, and network segmentation to ensure security and performance
• Perform firmware/software updates, patching, and lifecycle management of network hardware
• Support wireless network performance and coverage across all sites
• Document network topology, configurations, and standard operating procedures
• Respond to and resolve escalated network incidents, coordinating with IT support teams as needed
• Partner with security, IT, and facilities teams on network changes, new site rollouts, and infrastructure projects
• Maintain compliance with internal network security standards and policies
• Provide occasional after-hours or on-call support for critical network issues as needed

Required Qualifications

• 5+ years of experience in network engineering/administration
• Hands-on experience administering Cisco Meraki environments (firewalls, switches, access points, Meraki Dashboard)
• Working experience with Juniper networking equipment (switches and access points)
• Strong understanding of networking fundamentals: TCP/IP, VLANs, routing/switching, DHCP, DNS, VPN
• Experience troubleshooting multi-site, distributed network environments
• Solid understanding of network security best practices (firewall policy, segmentation, access control)
• Excellent troubleshooting, documentation, and communication skills
• Ability to work full-time onsite in San Francisco (4 days/week onsite, 1 day remote)

Preferred Qualifications

• Relevant certifications such as Cisco Meraki (CMNA), Juniper (JNCIA/JNCIS), CCNA, or CCNP
• Experience supporting multi-site corporate WAN/LAN environments
• Familiarity with SD-WAN concepts and implementation
• Experience with network monitoring tools and ticketing systems (e.g., ServiceNow, Datadog, PRTG)

Work Schedule & Location

This is a full-time, onsite-first position based at our San Francisco headquarters, requiring 4 days onsite and 1 day remote per week