Senior Network Engineer

Job Description Job Description ABOUT THE ROLE
We are looking for a mid-level Network Engineer to join a lean, high-output team and take real ownership of our core network infrastructure. This role exists to backfill a critical position. You will inherit a live environment with production responsibilities from day one. You will own and operate our core switching infrastructure, deliver network projects for customers, and extend capabilities into cloud networking across Azure and AWS. If you are someone who wants to be the person others call when things break, and who can also plan and execute complex network projects, this role is built for you.
WHAT YOULL DO
Own and operate core switching infrastructure, including configuration, maintenance, and performance tuning of Juniper and related platforms
Manage and support the CATO Networks SASE platform, covering policy management, site onboarding, and troubleshooting
Design, implement, and deliver customer-facing network projects from scoping through production handoff
Configure and manage cloud networking in Microsoft Azure (VNets, ExpressRoute, NSGs, Azure Firewall) and AWS (VPC, Transit Gateway, Direct Connect)
Troubleshoot and resolve complex layer 2 and layer 3 network issues independently and under pressure
Manage routing protocols in production, including BGP, OSPF, and static routing across on-premises and hybrid environments
Configure and maintain network security controls, including firewalls, ACLs, VPNs (IPSec/SSL), and segmentation policies
Monitor network health and performance; proactively identify and address degradation before it becomes an incident
Produce and maintain accurate network diagrams, runbooks, and project documentation
Participate in on-call rotation and serve as an escalation point for network-related incidents
REQUIRED QUALIFICATIONS
3–5 years of hands-on network engineering experience in a production environment
Direct, hands-on experience with Juniper switches and routers, including JunOS CLI, configuration, and troubleshooting
Hands-on experience with the CATO Networks SASE platform, including site configuration, policy management, and troubleshooting
Strong layer 2 and layer 3 fundamentals: VLANs, STP, LACP, BGP, OSPF, and inter-VLAN routing
Working experience with Microsoft Azure networking , including VNets, VPN Gateway, NSGs, peering, and hybrid connectivity
Working experience with AWS networking , including VPC design, subnetting, security groups, Transit Gateway, and routing
Experience with network security: firewall policy, VPN (IPSec/SSL), ACLs, and segmentation
Proven ability to manage and deliver network projects with multiple stakeholders and competing priorities
Must be legally authorized to work in the United States. H-1B visa sponsorship is not available for this position
Must be able to work fully on-site. Remote work is not available for this role
NICE TO HAVE
Certifications: Juniper JNCIA/JNCIS, Cisco CCNA/CCNP, Microsoft AZ-700, AWS Advanced Networking Specialty, or CATO Networks certified
Experience with SD-WAN platforms beyond CATO (Meraki, VeloCloud, Fortinet)
Scripting or automation experience using Python, Ansible, or Terraform for network configuration and provisioning
Familiarity with network monitoring platforms (SolarWinds, PRTG, Zabbix, or similar)
Experience with wireless networking such as Mist, Meraki, or Aruba
Exposure to Zero Trust network architecture or SASE design principles beyond CATO

Work Authorization Notice
This position requires full-time, on-site presence. Candidates must be authorized to work in the United States. We do not offer H-1B visa sponsorship, transfer, or any other visa sponsorship for this role, now or in the future.