Senior DevOps Engineer (VPN)

#vacancy#вакансия#devops

Position: Senior Devops Engineer (experience with VPN infrastructure is a must!)
Location- EU/ Moscow
English-B2

What we are looking for
Monitoring: Zabbix / VictoriaMetrics – developer-level proficiency (creating templates, auto-discovery rules, external scripts).
Scripting: Bash + sed + awk.
Development: Go or Python.
CI/CD: Good understanding of GitLab pipelines.
UNIX Administration: Strong skills configuring RedHat (CentOS 7/8) and Debian (Debian, Ubuntu).
OS Optimization: Deep knowledge of tuning operating systems for high-load environments (network IO, queues, CPU interrupts).
Containerization: Docker, Portainer.
VPN Technologies: Configuration and optimization of StrongSwan, accel-ppp, OpenVPN, WireGuard, Xray, Shadowsocks.
Proxy: Strong experience working with Squid.
Network Administration: Deep understanding of firewalls (iptables / nftables), routing, and virtual network devices.
Databases: MySQL or PostgreSQL.
Automation: Creating and maintaining playbooks and roles in Ansible (SaltStack is a plus).
Cloud Services: AWS (EC2, RDS, S3, Route 53, ALB) and deployments via Terraform.
Logging: ELK Stack.
Orchestration: Kubernetes (Baremetal).
Collaboration: Experience working with development and QA teams.


Nice to Have

Understanding of DPI/TSPU principles and bypass techniques (domain fronting, SNI masking, ECH, REALITY, uTLS).
Experience with traffic obfuscation protocols (Xray/VLESS, Shadowsocks-2022, Cloak, Trojan-GFW).
Experience with RIPE DB / IP registries: understanding allocation hierarchy, maintainers, route objects; ability to assess IP range “cleanliness” before deployment.
Experience selecting and rotating IP infrastructure: choosing hosting providers/ASNs considering IP reputation, working with IP marketplaces (IPXO, etc.), understanding risks.
Knowledge of TLS fingerprinting: uTLS, JA3/JA4, ALPN — ability to imitate fingerprints of popular browsers.
Experience with CDN fronting (Cloudflare, Fastly, AWS CloudFront)


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