Senior Software Engineer - Network Security
Xage Security provides zero-trust cybersecurity products for secure access, privileged access management, segmentation, and protection of critical assets. It serves enterprises and critical-infrastructure organizations across IT, OT, cloud, data center, and AI environments.
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About Xage Security
Xage Security delivers the Xage Fabric Platform, a resilient cybersecurity mesh that overlays existing infrastructure to enforce identity-based, least-privilege access and security policies. Its offerings include secure remote access, extended privileged access management, critical asset protection, zero-trust data exchange, and zero trust controls for AI agents and LLMs. The company focuses on enterprises and critical-infrastructure sectors including energy, manufacturing, utilities, healthcare, federal government, space, defense, and transportation.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Design and implement network security features for IoT and critical infrastructure, including socket-level networking, packet tracing, secure client/server systems, deployment processes, vulnerability assessment, threat analysis, and scalable low-latency distributed systems.
Requirements
- 3+ years of software development experience in networking, including sockets, packet tracing, and client/server
- In-depth understanding and practical knowledge of LAN, WAN, firewalls, routers, VPN, IPSec, and DPI
- Working experience with Zeek, OVS-DPDK, and Strongswan
- Fundamental knowledge of multithreading, inter-process communication, socket programming, high-performance and low-latency programming
- Expert coding skills in C++, Go, and Java, including secure coding, vulnerability assessment, and threat analysis
- Hands-on experience with HTTP, SSH, authentication, certificates, and TLS
- Experience in cryptography, PKI, microservice architecture, and large-scale infrastructure
- Strong debugging and troubleshooting skills using tcpdump, Wireshark, gdb, and valgrind
- Expert system-level skills on Linux distributions such as Ubuntu, Alpine, and Red Hat, and strong communication skills
Responsibilities
- Own projects and initiatives and ensure high-quality deliverables
- Define, develop, and maintain deployment processes and tools for IT, OT, and Cloud environments
- Provide ongoing support and improve system health and reliability
- Stay up-to-date with emerging technologies and adopt best practices for scalable distributed and autonomous systems
Benefits
- Equity
- Health insurance
- Dental insurance
- Vision insurance
- Visa transfer and immigration support