HiringCafe
Join our community

23 network performance engineer jobs at 20 companies in Fairfield, CA

1mo
Save
Mark Applied
Hide
Network Engineer
San Francisco, California, United States
$250k-$320k/yr OnsiteFull Time
Gimlet Labs
Gimlet Labs: Infrastructure for scaling and deploying high-performance agentic AI workloads.
Design, deploy, and operate production network infrastructure for high-performance AI compute; strong data center networking and automation experience.
Arista, Cisco, Juniper, NVIDIA networking platforms, Python, Ansible, Terraform
Job PostingView all
3w
Save
Mark Applied
Hide
Staff HPC Network Engineer
San Francisco, California, United States
$224k-$284k/yr OnsiteFull Time
Atoms
Atoms: Building specialized industrial robots and physical AI systems.
Experience designing and scaling high-performance networks for HPC/GPU compute, hands-on switch management (Arista EOS, Cisco NX-OS, Nvidia Cumulus, SONiC), packet analysis, fiber optics knowledge, cloud networking, config management, automation scripting, and monitoring tools.
Arista EOS, Cisco NX-OS, Nvidia Cumulus, SONiC, tcpdump, Wireshark, AWS, GCP, Azure, Ansible, Salt, Python, Prometheus, Grafana, ELK, GitHub
Job PostingView all
3mo
Save
Mark Applied
Hide
Network Security Engineer
San Francisco or Seattle
$180k-$220k/yr HybridFull Time
Lightning AI
Lightning AI: Unified platform to build, train, and deploy AI models.
Design, implement, and maintain secure network systems; perform threat assessment, monitoring, and compliance.
Firewalls, VPNs, IDS/IPS, SIEM, Nessus, Qualys, Endpoint security, Palo Alto, Cisco ASA, Fortinet, Splunk, QRadar
Job PostingView all
1mo
Save
Mark Applied
Hide
Data Center Network Engineer
San Francisco or New York
$180k-$360k/yr HybridFull Time
Baseten
Baseten: Scalable infrastructure platform for deploying and serving AI models.
5+ YOESenior data center network engineer responsible for design and operation of GPU cluster networks, with InfiniBand/High-Performance Ethernet, end-to-end architecture, and mentoring.
InfiniBand, RDMA, High-Performance Ethernet, Network switches, Cabling
Job PostingView all
2w
Save
Mark Applied
Hide
ASSOCIATE DIRECTOR, INFRASTRUCTURE NETWORK ENGINEER
Chicago or San Francisco
$150k-$175k/yr OnsiteFull Time
Cresset
Cresset: Independent multi-family office and private investment firm.
6+ YOE6+ years IT infrastructure experience, hands-on Cisco Meraki, strong TCP/IP and networking knowledge, Microsoft 365/Entra/Intune and Windows Server experience, troubleshooting and documentation skills, ability to perform off-hours and travel as needed.
Cisco Meraki, Meraki Dashboard, Microsoft 365, Entra ID, Azure, Intune, Windows Server, PowerShell, Python, APIs
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer, Core Network Engineering
San Francisco, California, United States
$230k-$342k/yr OnsiteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Design, build, and operate networking systems for large-scale AI training; improve performance and reliability; develop automation and observability tooling.
Linux, RDMA, InfiniBand, RoCE, DPDK, C++, Python, Go, NICs
Job PostingView all
3w
Save
Mark Applied
Hide
Network Engineer - Modesto or Dublin, CA
Modesto or Dublin
$123k/yr OnsiteFull Time
The Save Mart Companies
The Save Mart Companies: Operates regional grocery store chains across California and Nevada.
2+ YOEHands-on expertise with Cisco and Meraki platforms, 2+ years related experience, ability to configure and troubleshoot LAN/WLAN, perform hardware/software upgrades, and participate in on-call rotations; CCNA preferred; Bachelor\u0002s degree preferred.
Cisco, Meraki, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
Job PostingView all
1d
Save
Mark Applied
Hide
Sr. Principal Software Engineer - Network Security - PanOS
Santa Clara or San Francisco or San Jose
$170k-$277k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
12+ YOEBachelor's or higher in CS (or equivalent),12+ years engineering experience with senior technical leadership, strong C/C++ on Unix, networking and security knowledge, mentoring and performance optimization experience.
C, C++, Unix, TLS
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer — Distributed Simulation Systems
Emeryville, California, United States
$100k-$400k/yr HybridFull Time
Astera Institute
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
Strong C++ systems programming, distributed systems, networking, MuJoCo/3D physics, Linux, concurrency, and performance optimization.
C++, MuJoCo, Python, PyTorch, Linux, Networking, CUDA, GPU, ECS
Job PostingView all
2w
Save
Mark Applied
Hide
Systems Engineer
San Francisco, California, United States
OnsiteFull Time
Dedalus Labs
Dedalus Labs: Infrastructure for building and deploying AI agent applications.
Fluency in Rust/Go/C/C++; strong software engineering fundamentals and systems knowledge (OS, networking, distributed systems); performance-oriented debugging and reliability focus.
Rust, Go, C/C++, Kubernetes, Firecracker, GitHub
Job PostingView all
2w
Save
Mark Applied
Hide
Systems/GPU Research Engineer
San Francisco or Los Angeles
$160k-$320k/yr OnsiteFull Time
Vast.ai
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
Expertise in systems and GPU engineering, GPU architectures, neural network performance, C++/CUDA/Python proficiency, and strong research background with publications preferred.
C++, CUDA, GPGPU, Python, Linux
Job PostingView all
3w
Save
Mark Applied
Hide
Platform Engineer
Prague or San Francisco
Kč150k-Kč300k/mo HybridFull Time
E2B
E2B: Open-source cloud infrastructure for running autonomous AI agents.
5+ YOE5+ years building distributed systems; deep Linux/kernel and VM hypervisor expertise; systems programming in Go/Rust/C/C++; production orchestration (Kubernetes/Nomad); networking and performance optimization experience.
Firecracker, eBPF, userfaultfd (UFFD), io_uring, Go, Rust, C/C++, Linux, QEMU, KVM, virtio, Kubernetes, Nomad, iptables, nftables, Cloud Hypervisor, distributed tracing
Job PostingView all
3mo
Save
Mark Applied
Hide
Research Engineer, Infrastructure
San Francisco, California, United States
OnsiteFull Time
Cognition
Cognition: Developing autonomous AI agents for software engineering.
Build and operate distributed training infrastructure, experiment orchestration, data pipelines; collaborate with researchers; optimize performance.
Python, C++, PyTorch, Distributed Systems, GPU Profiling, Data Pipelines, Networking
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Software Engineer - Dataplane & Edge Infrastructure
Seattle or San Francisco
$231k-$323k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOE10+ years in software engineering; high-performance networking; C/C++; DPDK/VPP; IPv4/IPv6, BGP, MPLS; Linux kernel networking; leadership.
DPDK, VPP, C++, C, IPv4, IPv6, BGP, MPLS, VXLAN, Segment Routing, Linux, eBPF/XDP
Job PostingView all
2mo
Save
Mark Applied
Hide
Infrastructure Software Engineer
Zurich or United Kingdom or Germany or San Francisco or New York
HybridFull Time
Namespace
Namespace: Cloud infrastructure platform for faster software builds and tests.
Experience engineering large-scale infrastructure; strong network architecture and performance tuning; hands-on hardware deployment; proficient with orchestration and automation tools; track record of reliable systems and efficiency gains.
Go, Kubernetes, Terraform, Ansible
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Engineer (C++/Rust)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento
Databento: Provides a pay-as-you-go financial market data platform.
5+ YOE5+ years software engineering experience; strong C/C++ or Rust skills; systems programming, multithreading, network I/O, and performance optimization experience; familiarity with lldb/gdb and CI/CD; good communication for remote work.
C/C++, Rust, lldb, gdb, CI/CD
Job PostingView all
2mo
Save
Mark Applied
Hide
Systems Software Engineer (C++)
San Francisco, California, United States
OnsiteFull Time
Thunder Compute
Thunder Compute: Provides cost-effective, developer-focused cloud GPU instances.
Expert C++ performance optimization, low-level networking, and production systems ownership.
C++, Low-level networking, GPU optimization, Compilers, Performance profiling
Job PostingView all
3w
Save
Mark Applied
Hide
Senior Software Engineer
Fremont, California, United States
$135k-$150k/yr OnsiteFull Time
Fiery
Fiery: Provider of digital front ends and print workflow solutions.
5+ YOE5+ years system/software development experience; strong C/C++ skills; expertise in Windows and Linux, OS internals, networking, debugging, and performance optimization.
C, C++, Windows, Linux, TCP/IP, sockets, CI/CD
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer - Platform (Technical Lead)
San Francisco, California, United States
$165k-$230k/yr RemoteFull Time
Superserve
Superserve: Providing secure runtime infrastructure for long-running AI agents.
Experience building and operating distributed systems at scale; strong systems background (concurrency, isolation, networking, performance); experience with Go and/or Rust; security and reliability expertise; SOC2/compliance experience preferred.
Firecracker, Rust, Go, Kubernetes
Job PostingView all
1mo
Save
Mark Applied
Hide
Member of Technical Staff, AI Supercomputing
San Francisco or Tokyo
OnsiteFull Time
Radical Numerics
Radical Numerics: Building general biological intelligence models for scientific discovery.
Proven experience operating large-scale GPU clusters and orchestration (Kubernetes/Slurm); backend development (Python or Rust); strong Linux, networking, and systems skills; familiarity with deep learning frameworks and performance tuning.
Kubernetes, Slurm, Python, Rust, PyTorch, Triton, CUDA, C++, NCCL, Torchtitan, Megatron-LM
Job PostingView all

Explore Jobs

Expand Your Job Search