Network Optix (Nx) is a global powerhouse in video software development, driven by a mission to empower the creation of intelligent video-based solutions and products capable of converting video into actionable data. Over a decade in the making, the Network Optix Enterprise Video Operating System helps innovative organizations rapidly and affordably build world-class, custom-tailored, enterprise-scale video products and solutions.

Nx is headquartered in Walnut Creek, California, with additional locations in Burbank, California, Portland, Oregon, Belgrade, Serbia, Taipei, Taiwan, and regional teams distributed across the globe. Recognized on the Inc 5000 Fastest Growing Companies list for 9 years running, we are committed to expanding our teams cross-functionally and globally.

Network Optix aims to power the world’s most intelligent video solutions, with the ultimate goal of carving a path toward revolutionizing the landscape of video technology and transforming how we perceive the world around us.

As a Senior System Engineer, you will design, implement, and maintain server and network systems, working closely with cross-functional teams to ensure solutions align with company standards and adapt to evolving technical environments.

What You’ll Be Doing

Leading the company’s Network and IT Systems design and architecture
Establishing company-wide processes for server installation, configuration, maintenance, backups, and recovery
Maintaining applications and services provided by the IT team
Designing, installing, and maintaining virtual environments across the company in a high-availability setup
Designing, installing, configuring, and maintaining company-wide network infrastructure and equipment
Identifying, tracking, and resolving issues in the corporate issue tracking system
Configuring and maintaining network and server monitoring systems (Zabbix + Proxies, custom SNMP OID tracking, and in-house developed statistics trackers)
Providing prompt and effective responses to technology-related issues
Being available to work occasionally after hours or on weekends to support company or IT projects
Resolving user issues related to the server and network environment
Configuring and maintaining production-grade VPN servers (multi-node OpenVPN CE, L2TP/IPSec tunneling, DNS geobalancer & failover over AWS Route 53)
Supporting and optimizing high-load DNS systems (current production handles ~400k–500k DNS requests per minute during peak load phases)

What We’re Looking For

Bachelor’s degree in Computer Science or a related field, or equivalent professional experience
At least 8 years of hands-on experience in a corporate IT environment, including server/network systems and end-user support
Extensive experience with Linux, Microsoft Windows Server (2003, 2008, 2012), and Mac devices in a mixed environment
Strong troubleshooting skills and support experience with Linux, Mac OS, and Windows Server environments
Deep understanding of networking, including routing management and dynamic routing protocols (BGP), VLAN tagging and policy configuration, and Quality of Service (QoS) setups
Experience configuring and managing enterprise-class networking equipment — Mikrotik Enterprise is a must
Experience with cloud-based infrastructure
Experience designing and managing networks with high-bandwidth traffic (e.g., video streaming)
Experience working in a software development company (preferred)
Experience managing and deploying Linux/Unix systems
Proficiency in installing, configuring, networking, and maintaining virtual servers
Ability to configure and manage enterprise-class switches, routers, and wireless access points
Experience configuring Storage Area Networks (SAN)
Experience monitoring highly distributed infrastructure environments
Strong scripting experience in Bash and Python (JavaScript is a plus)
Deep knowledge of networking stacks and TCP/IP implementations across different operating systems
Solid understanding of the OSI model and hands-on experience with traffic analysis tools such as tcpdump, Wireshark, logs, and Torch
Thorough understanding of operating systems in enterprise environments
Ability to identify and resolve complex technical issues with minimal supervision
Strong collaboration skills to work across teams in resolving IT-related issues
Ability to independently manage complex technical projects, such as system implementations and upgrades
Advanced knowledge of server and network operations in enterprise environments
Proficiency with Jira
Proficiency with Google Workspace (formerly G Suite)
Professional attitude and excellent communication skills
Self-starter capable of working independently and managing assigned projects with minimal oversight

What we offer

Competitive compensation
Paid time off
Flexible working hours
Hybrid work in our brand-new, comfortable office
Employer-sponsored health coverage
Working with top industry experts in our international team

Hybrid or Remote

The position is ideally a hybrid role, and the office is located in Belgrade, Serbia. We will also consider remote candidates in Serbia.

Network Optix is an equal opportunity employer committed to diversity and inclusion in the workplace. We celebrate the diversity of our workforce, which includes people of all cultural, national, racial, gender identities, and those who have served in the military. We strive for an environment where creativity and collaborative growth thrive. If you have a disability or special need that requires accommodation, please let us know.

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Senior System Engineer

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