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Site Reliability Engineer (SRE) - Canada

Onsite or remote • Toronto+1🌐 Remote💼 Full-time🗓 2026-06-25

Core

Infrastructure engineer responsible for taming DNS, managing Linux systems, and ensuring uncensored internet access and online privacy.

Role type

Site Reliability Engineer (SRE)

Builds

Privacy, anonymity, and anti-censorship tools (Windscribe) and a customizable DNS service (Control D)

Domain

Internet infrastructure, DNS, Linux systems, and network security

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Linux system administration, network configuration and troubleshooting, Salt configuration management, Python scripting, DNS troubleshooting, incident response, documentation, process improvement

Preferred skills

PowerDNS, BIND, unbound, Prometheus, PromQL, Loki, VyOS, Juniper, GitLab CI/CD

Technologies

Linux, Salt, Python, Bash, iptables, systemd, dig, dog, delv, ping, nping, mtr, tcpdump, wireshark, termshark, DNSSEC, BGP, PowerDNS, BIND, unbound, Prometheus, PromQL, Loki, VyOS, Juniper, GitLab

Responsibilities

Linux system administration and troubleshooting, Network configuration and troubleshooting, Working with Salt configuration management software to admin hosts, Write Python scripts for automation, Use comprehensive understanding of DNS to troubleshoot and resolve issues, Solve infrastructure projects and help developers launching new software into production, Join critical incident response team in on-call rotation, Build comprehensive and beautiful documentation, Improve operational checklists, processes and validations

Seniority

Mid-level, hands-on IC

Rewrite
## About the role It's not DNS There's no way it's DNS It was DNS Does this now iconic haiku resonate with you? Do you have flashbacks of epic scope, teasing traceroutes and dig output into webs of a narrative that, against all odds, somehow arrives back where you started? We should talk. Based in Toronto but with remote team members around the world, Windscribe operates two products: Windscribe is a suite of privacy, anonymity and anti-censorship tools for the masses. Control D is a modern and customizable DNS service that blocks threats, unwanted content and ads - on all devices. Onboard in minutes, and forget about it. We have infrastructure all over the world and our goal is preserving uncensored Internet access and online privacy for all. Right now we are looking for an infrastructure engineer to help us tame DNS. ## What You'll do - Linux system administration and troubleshooting - Network configuration and troubleshooting - Working with Salt configuration management software to admin hosts - Write Python scripts for automation - Use your comprehensive understanding of DNS to troubleshoot and resolve issues across different operating systems and networking environments. - Solve infrastructure projects and help developers launching new software into production - Join our critical incident response team in an established on-call rotation. - Build comprehensive and beautiful documentation. - Improve operational checklists, processes and validations making them error-proof. ## Technical Requirements We're looking for your version of "seen it all (mostly)". You may not have deep knowledge in all parts of the stack but you know the lay of the land. You're quick to learn, but already possess a solid understanding of all things DNS. - Proven trackrecord of completing work independently - Solid understanding of the Linux Operating System - Filesystem and permissions - Firewall (iptables) and networking setup - System management (systemd) - Develop automation - Python, Bash - Experience with network troubleshooting a must - Command line tools (dig, dog, delv, ping, nping, mtr) - Packet Capture (tcpdump, wireshark, termshark) - Solid understanding of networking concepts - OSI model, TCP/IP, UDP/TCP - IP addresses and Subnetting - Routing, unicast and anycast, BGP - Domain Name System protocol on lock - Record Types - Resolution paths and server types - DNSSEC extensions (record signing, client subnet) - Familiarity with PowerDNS a plus. BIND, unbound, and others a bonus - Bonus familiarity - Prometheus, PromQL, Loki - VyOS, Juniper, other enterprise firewalls and networking - Source Control, CI/CD and Issue Tracking with GitLab ## Perks - Full health/dental benefits for Canadian employees. - Flexible work hours in an informal, enjoyable, and engaging team setting. - Casual working environment (but you probably should still wear pants). ## How to apply Nice, you got all the way to the end, which means you're a fan of reading requirements and instructions. 99% of people don't get this far. To apply, do NOT do it through Wellfound (all applic
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