Software Development Engineer

Job Title

VIAVI (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions for telecommunications, cloud, enterprises, first responders, military, aerospace, and railway. VIAVI is also a leader in light management technologies for 3D sensing, anti-counterfeiting, consumer electronics, industrial, automotive, government and aerospace applications.

We are the people behind the products that help keep the world connected at home, school, work, at play, and everywhere in between. VIAVI employees are passionate about supporting customer success and we welcome people who bring their best every day to the company – to question, to collaborate and to push for solutions that will delight our customers.

Duties & Responsibilities

• Design and implement low-level network programming solutions including packet capture, traffic analysis, and protocol stack integration.
• Develop high-performance software in C++, Python, Go, and shell scripting for Linux environments.
• Write and maintain software that interfaces with hardware-level programming interfaces including PCIe, FPGA, NIC offload engines, and kernel bypass frameworks (e.g., DPDK).
• Collaborate with hardware and firmware teams to define software/hardware interface contracts and integration test plans.
• Build and maintain robust Linux system software including kernel modules, device drivers, and user-space daemons.
• Contribute to cross-platform initiatives including Windows drivers/services and web-based front-end tooling as project needs evolve.
• Participate in code reviews, architectural discussions, and cross-functional design reviews.
• Champion software engineering best practices: automated testing, CI/CD pipelines, documentation, and secure coding standards.
• Mentor junior and mid-level engineers; provide technical guidance and foster a culture of continuous improvement.

Pre-Requisites / Skills / Experience Requirements

• 8+ years of professional software engineering experience, with at least 4 years in systems or network software development.
• Strong proficiency in C++ (C++14/17/20) and Python; familiarity with Go and shell scripting (Bash/Zsh).
• Deep experience with low-level network programming: raw sockets, libpcap, netfilter, tc/BPF, or equivalent.
• Solid understanding of Linux internals: process/thread management, memory management, file systems, networking stack, and IPC mechanisms.
• Proven experience writing software to interface with hardware-level interfaces (PCIe, FPGA, IOCTL, memory-mapped I/O, DMA, or similar).
• Strong grasp of concurrency, multi-threading, and real-time or performance-sensitive programming.
• Experience with version control (Git), build systems (CMake, Make), and CI/CD workflows.
• Bachelor's degree in Computer Science, Electrical Engineering, or a related technical field (or equivalent experience).

If you have what it takes to push boundaries and seize opportunities, apply to join our team today.

VIAVI Solutions is an equal opportunity and affirmative action employer – minorities/females/veterans/persons with disabilities.