Network Engineer

Quantum Technologies LLC; San Francisco (CA); On-site; USD 110,000 - 140,000; Full time

Job summary

Quantum Technologies. LLC in San Francisco is seeking a Network Engineer to design, implement, and optimize a large-scale enterprise network. You will lead modernization efforts, ensure security, and collaborate with infrastructure, systems, and vendor partners.

You will mentor junior staff and drive network reliability across multiple locations, with a focus on documentation and operational excellence. This role requires strong communication and hands-on expertise.

Qualifications

• 3+ years of enterprise network engineering experience.
• Strong knowledge of routing, switching, wireless networking, and network security technologies.
• Familiarity with BGP, DNS, DHCP, VPNs, VLANs, NAT, load balancing, and monitoring solutions.
• Hands-on experience with Cisco, Arista, Juniper, HPE Aruba, Palo Alto Networks, Fortinet, or similar platforms.
• Strong troubleshooting, documentation, and communication skills.
• Experience leading infrastructure projects and coordinating with stakeholders.

Responsibilities

• Design, implement, maintain, and optimize enterprise network infrastructure.
• Support LAN, WAN, wireless, routing, switching, and security technologies.
• Lead network modernization and infrastructure improvement initiatives.
• Monitor network performance, reliability, and availability while proactively identifying and resolving issues.
• Collaborate with cross-functional technology teams and external partners on infrastructure projects.
• Develop and maintain technical documentation, standards, and operational procedures.
• Support business continuity, disaster recovery, and network security initiatives.
• Provide technical guidance and mentorship to junior team members.

Skills

Routing & Switching

Wireless Networking

Network Security

BGP

DNS/DHCP

VPNs

VLANs/NAT

Load Balancing

Network Monitoring

Troubleshooting

Tools

Cisco

Arista

Juniper

HPE Aruba

Palo Alto Networks

Fortinet

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description

An established organization is seeking a Network Engineer to support and enhance a large-scale enterprise network environment. This individual will serve as a technical leader responsible for network architecture, operations, security, troubleshooting, and modernization initiatives across multiple locations. The role includes team leadership responsibilities and collaboration with infrastructure, systems, and vendor partners.

Responsibilities

• Design, implement, maintain, and optimize enterprise network infrastructure.
• Support LAN, WAN, wireless, routing, switching, and security technologies.
• Lead network modernization and infrastructure improvement initiatives.
• Monitor network performance, reliability, and availability while proactively identifying and resolving issues.
• Collaborate with cross-functional technology teams and external partners on infrastructure projects.
• Develop and maintain technical documentation, standards, and operational procedures.
• Support business continuity, disaster recovery, and network security initiatives.
• Provide technical guidance and mentorship to junior team members.

Required Qualifications

• 3+ years of enterprise network engineering experience.
• Strong knowledge of routing, switching, wireless networking, and network security technologies.
• Familiarity with technologies such as BGP, DNS, DHCP, VPNs, VLANs, NAT, load balancing, and network monitoring solutions.
• Hands-on experience with enterprise networking platforms from major vendors such as Cisco, Arista, Juniper, HPE Aruba, Palo Alto Networks, Fortinet, or similar technologies.
• Strong troubleshooting, documentation, and communication skills.
• Experience leading infrastructure projects and coordinating with internal and external stakeholders.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.