3mo
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Performance Engineer
New York City or New York or United States
HybridFull Time
5+ YOEStrong Linux performance engineering, PyTorch/GPU optimization, hardware-software understanding, and scalable system design experience.
Linux, PyTorch, CUDA, Python, GPU, CPU, OS, Networking, Storage
3mo
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Network Engineer
Flemington, New Jersey, United States
$80k-$101k/yr OnsiteFull Time
3+ YOENetwork engineer responsible for maintaining hospital network performance, security, and documentation; includes WAN/LAN/VOIP/Wi‑Fi, firewall/VPN, and Cisco Unified Communications.
Cisco, Cisco UCC, VPN, Firewall, VOIP, Wi-Fi, OSI model, Networking, Cisco Unified Communications
4w
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Network Engineer
Singapore or Hong Kong or New York City
HybridFull Time
5+ YOE5+ years with complex high-performance networks, experience with Arista/Cisco/Juniper-like OSes, BGP/OSPF/multicast, network monitoring tools, Python scripting, VPNs and security appliances, and Unix/Linux system administration.
Arista EOS, Cisco IOS, Nexus-OS, PAN-OS, BGP, OSPF, PIM, MSDP, MRTG, Graphite, Grafana, Nagios, SNMP, Python, IPSec, GRE, Fortinet, Palo Alto, Unix, Linux, FPGA
1mo
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Senior Associate - Network Engineer
New York City, New York, United States
$112k-$159k/yr HybridFull Time
3+ YOEManage and support enterprise DNS/DHCP/IPAM (DDI) and load balancers (F5, Citrix, AWS), troubleshoot network incidents, perform upgrades/patches, follow ITIL change processes, and automate tasks using Python/Ansible/PowerShell. 3+ years enterprise network experience.
Infoblox, BlueCat, Microsoft Windows Server, F5 BIG-IP, Citrix ADC, AWS ALB, AWS NLB, AWS, GCP, Microsoft Azure, Wireshark, nslookup, dig, tcpdump, ServiceNow, Remedy, Python, REST APIs, Ansible, Microsoft PowerShell
2mo
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Data Center Network Engineer
San Francisco or New York
$180k-$360k/yr HybridFull Time
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
1mo
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Connectivity Service Operations - Sr. Network Engineer
Whippany, New Jersey, United States
$159k-$160k/yr HybridFull Time
Manage and troubleshoot LAN/WAN/MAN, load balancers, proxies, and DNS; perform incident/problem/change management; execute preventative maintenance, root cause analysis, automation, and stakeholder communication.
Local Area Network (LAN), Wide Area Network (WAN), Metro Area Network (MAN), Load balancer, Web proxies, Domain Name System (DNS)
2w
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High Performance Computing (HPC) AI Engineer
New York, New York, United States
$101k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years relevant experience; expertise in parallel storage, SMB/NFS, Linux/UNIX and bash, networking (Ethernet, Infiniband, fiber channel), scripting (Bash, Python, Lua), and HPC/AI optimization.
Linux/UNIX, Bash, Python, Lua, SMB, NFS, Infiniband, fiber channel, UltraViolet
1w
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AI Cluster Validation Engineer
Austin or Santa Clara or Seattle or Secaucus
$143k-$245k/yr OnsiteFull Time
Expertise in GPU cluster performance, RDMA/RoCE networking, GPU architectures, scripting (Python, Bash), system-level performance analysis; BS/MS in electrical or computer engineering preferred.
RDMA, RoCE, Python, Bash
1mo
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Infrastructure Engineer — Hyper- V
Woodinville or Palo Alto or New York or New Jersey
OnsiteContract
5+ YOE5+ years infrastructure engineering experience with enterprise Microsoft Hyper-V, PowerShell automation, Windows Server administration, storage/networking performance analysis, infrastructure automation (DSC/SCCM/Ansible), and a technical bachelor's degree.
Microsoft Hyper-V, PowerShell, WMI, C#, .NET 8, Windows Server, PowerShell DSC, SCCM, Ansible, CI/CD, elbencho, VMFleet, diskspd, fio, Qualys, Microsoft System Center (VMM, SCOM, SCCM), VMware ESXi, KVM, Windows Server Failover Clustering (WSFC), Storage Spaces Direct (S2D), SET
2mo
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Software Engineer - Options Trading Systems
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
5+ YOE5+ years in production software engineering; strong C++, systems fluency, networking; low-latency, high-performance focus.
C++, Networking, Socket programming, Multithreading
2mo
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Senior Software Engineer, Infrastructure, High Performance Networking
New York or Sunnyvale
$174k-$252k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent; 5+ years software development; 3+ years testing/launching software; 3+ years infrastructure/distributed systems experience.
C++, C, Python, MPI, libfabric, NCCL, UCX, Linux
2mo
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Low-Latency Developer
New York, New York, United States
$150k-$300k/yr OnsiteFull Time
5+ YOE5+ years in low-latency development with HFT experience; strong C++; know-how in networking, kernel bypass, and performance optimization.
C++, Linux, Networking, Kernel Bypass, Profiling Tools, Multithreading, IPC, CPU Cache
2mo
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High-Frequency Trading System Engineer (USA)
New York, New York, United States
$175k-$200k/yr HybridFull Time
Expert-level C++ and Linux, low-latency system experience, performance optimization, networking, profiling.
C++, Linux, Networking, Profiling tools, Low-latency messaging, TCP/UDP, Multicast
2mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
C++, Linux
2mo
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Infrastructure Software Engineer
Zurich or United Kingdom or Germany or San Francisco or New York
HybridFull Time
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
2mo
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Crypto Quantitative Developer
London or New York
$175k-$350k/yr HybridFull Time
Design, develop, and maintain low-latency, high-performance C++ trading systems for crypto markets; strong C++17+; Linux, networking, concurrency; production trading or low-latency software experience; quantitative finance background.
C++, Linux, Networking, Cloud
3w
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Senior Infrastructure Project Engineer
Brooklyn, New York, United States
$100k/yr HybridFull Time
Design, plan, and deliver complex IT infrastructure projects; perform environment assessments and onboarding; implement networking, server, cloud, and migration solutions; produce documentation and mentor junior engineers.
Microsoft 365, Azure AD, Active Directory (AD), VPN
1mo
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Software Engineer (C++/Rust)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
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
1mo
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Senior Systems Engineer
New York or United States
OnsiteFull Time
5+ YOE5+ years supporting enterprise storage sales; strong knowledge of storage architectures, file systems, virtualization, high-performance networking, and security; excellent communication and presentation skills.
DAS, NAS, SAN
3d
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Field Service Engineer - Automation Industry
Pennsauken or North America
$60k-$75k/yr FieldFull Time
3+ YOEField-based engineer with 3+ years technical experience or a technical degree, strong electrical/programming/networking knowledge, US work authorization, ability to travel and perform physical tasks, live within 50 miles of a major airport.
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