On-Prem Backend Engineer (Network Oriented)

9/25/2025

Design, develop, and maintain backend services deployed on-premises within customer networks. Collaborate closely with cross-functional teams to deliver mission-critical components that interact directly with complex network stacks.

Working Hours

40 hours/week

Company Size

51-200 employees

Language

English

Visa Sponsorship

About The Company

Zero Networks is a pioneer in automated microsegmentation and network security. Our agentless microsegmentation solutions provide effortless deployment, automatically learning and classifying endpoints to generate precise security policies that orchestrate native firewalls. By preventing unauthorized lateral movement, enforcing just-in-time multi-factor authentication for privileged access, and enhancing protection for critical assets, we empower organizations across every sector to strengthen their security posture with minimal effort.

About the Role

Zero Networks, an innovative network security solutions provider, is at an exciting time in its history and is growing fast! We are looking for a highly skilled and versatile Backend Engineer with deep expertise in network protocols and on-premises deployments to join our development team. As an On-Prem Backend Engineer, you will be responsible for designing, developing, and maintaining the on-prem infrastructure that runs in customer environments, ensuring robustness, security, and performance. You will collaborate closely with cross-functional teams to deliver mission-critical components that interact directly with complex network stacks.

Responsibilities

Design, develop, and maintain backend services deployed on-premises within customer networks.
Implement and optimize network-centric functionality, including TCP/UDP, TLS, DNS, routing, proxies, and firewalls.
Work with Linux server internals (sockets, routing tables, iptables/netfilter, namespaces, eBPF) to support resilient and secure deployments.
Ensure smooth installation, upgrade, observability, and troubleshooting of on-prem components.
Troubleshoot and resolve issues in real-world customer environments, including debugging complex network problems.

Requirements

Bachelor’s degree in Computer Science, Software Engineering (or equivalent work experience) – must
5+ years of experience as a software engineer with hands-on production experience with at least 3 years of work involving network-centric services or on-prem deployment. – must
Deep understanding of network protocols (TCP/IP, UDP, TLS, DNS, HTTP/S) and networking fundamentals – must
Proficiency in at least one programming language (e.g., Go, C++, or C#) and associated frameworks – must
Hands-on experience with Linux networking internals (sockets, routing tables, iptables, namespaces) – must
Experience deploying and maintaining on-premises software in customer environments – advantage
Familiarity with containerization and orchestration (Docker, Kubernetes, Helm) – advantage
Strong problem-solving skills and ability to work both independently and as part of a team
Excellent communication and interpersonal skills, with the ability to collaborate effectively across teams

Key Skills

Backend DevelopmentNetwork ProtocolsOn-Premises DeploymentLinux InternalsTroubleshootingTCP/IPUDPTLSDNSHTTP/SProgrammingContainerizationOrchestrationProblem-SolvingCommunicationCollaboration