Network Systems Performance Engineer

TL;DR

Network Systems Performance Engineer: Designing and executing performance, scalability, and reliability tests for client networking and security components across multiple platforms with an accent on evaluating system performance under diverse network conditions and ensuring client software meets high standards. Focus on identifying bottlenecks, investigating performance issues, and driving improvements in architecture and implementation.

Company

hirify.global is the first company to converge enterprise networking and security into one centralized and global service, delivered by cloud.

What you will do

• Define, design, and execute performance, scalability, load, throughput, and stress tests for client network functionality across multiple operating systems.
• Build and maintain performance testing environments, including physical and virtual lab setups, network simulators, and traffic generation systems.
• Evaluate the behavior and performance of client networking and security workflows in various operational and environmental scenarios.
• Simulate and analyze diverse network conditions, including jitter, packet loss, bandwidth variations, latency profiles, and connectivity constraints.
• Analyze CPU, memory, and other resource utilization across different OS platforms to ensure efficient and stable client performance.
• Collaborate with R&D teams to identify bottlenecks, investigate performance issues, and drive improvements in architecture and implementation.

Requirements

• 4+ years of hands-on experience in performance engineering, networking QA, system testing, or similar roles.
• Strong understanding of networking concepts, including TCP/IP, DNS, routing, traffic flows, and modern networking stacks.
• Experience testing or working with endpoint security components or related networked client systems.
• Deep knowledge of Layers 3–7 behaviors and performance characteristics.
• Proficiency in scripting languages (Python, Bash, PowerShell); Java development skills are an advantage.
• Understanding of major operating systems (Windows, macOS, Linux, Android, iOS) and their networking models.
• Hands-on experience with network analysis or traffic-generation tools (Wireshark, iPerf, NetEm/WAN emulation tools).
• Hands-on experience with virtual environments such as VMware ESX, AWS, Azure, or equivalent.
• Ability to design, maintain, and operate physical test labs, including multi-device, multi-network configurations and complex system setups.

Culture & Benefits

• Opportunity to join a company that is building a cutting-edge enterprise network and secure cloud platform.
• Ability to work in a fast-paced, multi-tasking environment.