Job Description
A Senior DevOps / Infrastructure Engineer in this role is responsible for building, optimizing, and maintaining a high-performance, secure, and globally distributed infrastructure. The position requires deep expertise in Linux systems, networking, monitoring, VPN technologies, and traffic-evasion techniques used in modern privacy-focused environments.
About the Role
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You will design and operate mission-critical infrastructure that supports large-scale, high-load systems. The work goes far beyond container management: it involves kernel-level tuning, advanced networking, VPN stack engineering, and building monitoring systems from the ground up. This is a role for someone who understands how systems behave under pressure and knows how to automate everything that repeats.
Key Responsibilities
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Develop and evolve infrastructure architecture to ensure stability, scalability, and high availability.
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Build and automate CI/CD pipelines using GitLab, Ansible, and Terraform.
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Maintain and optimize Linux systems for high-load environments, including kernel tuning and network performance adjustments.
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Configure and improve monitoring systems (Zabbix, Grafana), including custom templates, auto-discovery, and alerting logic.
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Manage and optimize VPN technologies such as StrongSwan, OpenVPN, and Xray.
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Analyze complex incidents, identify root causes, and implement long-term fixes.
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Ensure infrastructure security through access control, firewall management, updates, and 2FA.
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Collaborate with development and QA teams in a distributed environment.
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Participate in architectural decisions and guide the team through best practices.
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Core Skills and Expertise
Monitoring Engineering
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Advanced proficiency with
Zabbix and Grafana
, including:
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custom templates,
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auto-discovery rules,
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external scripts,
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alerting pipelines,
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performance dashboards.
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Linux & Kernel Optimization
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Deep understanding of
kernel and OS tuning
for high-load systems:
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network I/O optimization,
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socket buffer tuning,
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IRQ affinity and CPU interrupt balancing,
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NIC queue configuration,
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sysctl tuning for throughput and latency.
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VPN Technologies
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Hands-on experience configuring and optimizing:
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StrongSwan (IPsec)
,
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OpenVPN
,
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Xray-core
(VLESS/REALITY, VMess, Shadowsocks).
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Understanding how VPN protocols behave under different network conditions and censorship environments.
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DPI Evasion & Traffic Obfuscation
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Knowledge of
DPI/TSPU architecture
and modern circumvention techniques:
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domain fronting,
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SNI masking,
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ECH (Encrypted Client Hello),
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REALITY,




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uTLS fingerprinting.
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Familiarity with obfuscation protocols such as Shadowsocks-****, Trojan-GFW, and Cloak.
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Additional Technical Areas
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Scripting: Bash, sed, awk; Go or Python for tooling and automation.
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Virtualization: Proxmox, Docker, Portainer.
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Networking: firewalls
(nftables/iptables),
routing, PBR, VLANs, GRE/IPIP tunnels, tun/tap, veth, bridges.
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Databases: PostgreSQL or MySQL (schema design, optimization, replication basics).
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Automation: Ansible, Terraform.
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Cloud: AWS, Cloudflare, Hetzner.
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Logging: Elastic Stack, OpenSearch, Vector, Promtail, Loki.
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Kubernetes on bare metal: deployment, CNI, storage, operations.
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Secrets management: Infisical.
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Who Thrives in This Role
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Engineers who understand systems deeply and enjoy solving complex infrastructure problems.
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People who automate everything and dislike repetitive manual work.
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Those who can take ownership of critical systems and support the team with expertise.
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Individuals comfortable working in distributed teams and communicating clearly in English.
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What the Company Offers
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Fully remote, full-time position with weekends off.
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Work with international, high-impact projects.
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Opportunities for professional growth and specialization.
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Market-competitive salary based on experience.
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A young, friendly, and technically strong team.
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#J-*****-Ljbffr

📌 Senior Devops / Infrastructure Engineer (Western Australia)
🏢 Devopsroles
📍 Western Australia