Senior Quality Engineer (Windows & macOS endpoints)

DNSFilter’s mission is to protect our customers and partners with products they love to use! We are revolutionizing network security by providing fast, accurate, and reliable threat protection and content filtering. We're a rapidly growing company dedicated to creating a safer internet for businesses and organizations worldwide. Leveraging AI-driven threat intelligence, DNSFilter empowers our customers to proactively block threats before they impact their networks. We foster a collaborative, innovative, and results-oriented culture where every team member contributes to our mission of making the internet safer.

As we continue our product-fueled growth by adding new features and broadening our solution to meet the needs of the global market, it's clear there's a missing piece. That's where you come in!

We recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. If you feel like this job is for you, please apply. We believe diversity of experience and skills, including transferable skills, combined with passion, is a key to innovation and excellence; therefore, we encourage people from all backgrounds to apply to our positions!

• Study and learn the product and integration points to understand and identify product risks holistically
• Identify and work on a variety of challenging and highly complex problems
• Work as a scientist to experiment/test, validate assumptions, and connect the dots to reach a conclusion
• Independently plan, estimate, and deliver moderate to large solutions
• Define initial risks in working on large projects
• Test new and existing features from early-stage code through to E2E implementation
• Triage, troubleshoot, and debug issues found internally, or by our users on their endpoint machines
• Effectively write concise, actionable bug reports and supporting documentation
• Speak knowledgeably about testing activities, status, and risk

• 5+ years of experience with Software Testing applications running on customer endpoints (different flavours of OS: macOS, Windows, mobile)
• Experience with manual E2E testing of network-based apps, especially VPNs (e.g., DNS, protocols, throttling, packet loss)
• Strong knowledge of L3 to L7 networking technologies such as IP, TCP, UDP, DNS, proxying, routing, and switching
• Experience with one or more Mobile Device Management Platforms (MDMs) (e.g., Intune, Jamf) and/or RMM tools
• Strong knowledge and understanding of macOS, Windows & mobile clients (iOS, iPadOS, Android) platforms, their internals & real-world enterprise-level implementation
• Proficiency with running traffic captures (Wireshark), gathering logs, & preparing data for reporting
• A talent for analysis, communication, interpretation, and problem-solving
• Knowledge and experience in all aspects of SDLC as it relates to quality
• Experience working remotely under minimal supervision
• The ability to keep work 8:00 AM - 5:00 PM EST M-F

• Can work a hybrid office position for our Westchase, Florida office
• Experience developing and maintaining scripts (PowerShell, Python, Shell)
• Experience testing & debugging on-prem, hybrid & cloud-based infrastructure (e.g., AD DS, LDAP, Azure, Entra)
• Experience setting up & maintaining enterprise-level test labs
• Rapid Software Testing