Senior Network Engineer

About Zharfa Tech

Zharfa Tech is a technology company specializing in High-Performance Computing (HPC) solutions and infrastructure for Large Language Model (LLM) workloads. We design, build, and operate systems that power advanced AI and large-scale computational services.

Job Description

We are seeking an experienced Network Engineer to design, implement, and maintain a reliable, high-performance network infrastructure. This role is critical to ensuring fast, secure, and stable connectivity across our HPC and AI platforms.

Responsibilities

Design, configure, and maintain network infrastructure including switches, routers, and firewalls
Monitor network performance and diagnose connectivity or performance issues
Implement and maintain network security best practices
Collaborate with system administrators and DevOps teams
Document network architecture, configurations, and operational procedures
Plan and execute network upgrades and capacity expansions
Requirements

Must Have

Minimum 5 years of experience in network engineering
Strong understanding of TCP/IP, DNS, DHCP, VLANs, and routing protocols (BGP, OSPF)
Experience with enterprise networking equipment (Cisco, Juniper, Arista, mikrotik or similar)
Hands-on experience with firewalls and network security concepts
Solid knowledge of Linux networking
Strong troubleshooting and analytical skills

Nice to Have

Experience with HPC networking technologies based RDMA, or other high-throughput fabrics
Knowledge of network automation tools (Ansible, Python scripting)
Familiarity with cloud networking (AWS, GCP, Azure)
Experience with monitoring and observability tools (Zabbix, Prometheus, Grafana)
CCNA, CCNP, or equivalent certifications