Gcore
AI, cloud, network, and security
SeniorPerformanceEngineer
“Senior Performance Engineer at Gcore. Skills: Performance Engineering, Linux/Unix, Performance Profiling and Tracing, Scripting and Automation, Networking Fundamentals, Cloud Platforms, Edge Infrastructure. Define and continuously evolve the performance testing strategy.. Instrument the edge fleet for deep observability — latency histograms, resource saturation signals, and tracing pipelines.”
Industry & Context.
This position is available only under an employment (labor) agreement.
What They're Looking For.
Must Have
Deep expertise in Linux/Unix environments — kernel internals, process scheduling, memory management, and I/O subsystems., Proficiency with performance profiling and tracing tools: eBPF (bpftrace, libbpf), perf, gdb, strace, flamegraphs, and related tooling., scripting and automation skills — Python, Bash, and infrastructure-as-code (Ansible, Terraform, or equivalent)., Solid understanding of networking fundamentals: TCP/IP, HTTP/2–3, TLS, load balancing, and traffic engineering., Experience with cloud platforms (AWS, Azure, GCP) and hybridare-metal edge infrastructure., Hands-on experience with agentic coding workflows and AI-assisted engineering toolchains., Excellent communication skills — able to translate low-level performance findings into business impact for diverse audiences.
Nice to Have
Puppet, Prometheus, Grafana, VictoriaMetrics / Victoria Logs, BGP and related routing protocols, Programming in C, Go, Rust, or Python, eBPF program authorship, Kernel bypass networking (DPDK / XDP), Web security and DDoS mitigation practices, AI/ML in production systems, Edge / CDN architecture
What You'll Do.
Define and continuously evolve the performance testing strategy.
Instrument the edge fleet for deep observability — latency histograms
resource saturation signals
and tracing pipelines.
Design and enforce staged (A
canary) rollout processes for performance-sensitive changes.
Identify and drive systemic throughput
and efficiency improvements across the edge network — from kernel tuning and eBPF offloads to traffic shaping and caching strategy.
Continuously raise the bar on configuration management
and automated performance gates.
and support engineers through technical direction
and shared test environments.
and Support teams to ship performance-aware features.
Serve as a subject-matter expert during performance-related incidents and drive post-incident improvements.
How You'll Work.
Team & Collaboration
Collaborate with leading technology partners such as Intel, NVIDIA, Dell, and Equinix; Guide ops, dev, and support engineers through technical direction, runbooks, and shared test environments.; Partner with Product, R&D, Network, Security, and Support teams to ship performance-aware features.
Communication Scope
Excellent communication skills — able to translate low-level performance findings into business impact for diverse audiences.
Applying for this Senior Performance Engineer role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on SmartRecruiters
- SmartRecruiters often includes a video screening step — check camera and mic permissions.
- Link your GitHub or portfolio directly in the profile section for technical roles.
- Applications may be reviewed by AI scoring before reaching a recruiter — use keywords from the job description.
ANONYMOUS · UNFILTERED
What do employees actually say about Gcore?
Real rants from real employees. Read before you apply.