Senior Quality Engineer (Windows & macOS endpoints)

DNSFilter

12h • Hybrid

About The Position

DNSFilter is seeking a technical Senior Quality Engineer experienced with risk-based context-driven testing to help build and evolve our roaming client software. These clients are built for multiple OS platforms and run on hundreds of thousands of machines, securing customer machines by filtering DNS traffic and blocking incoming risks or sites. This is a full-time remote or hybrid role for candidates who can work ET hours, ideally located near Westchase, Florida, and familiar with working in a fast-paced, hyper-growth SaaS start-up. DNSFilter is committed to fostering a collaborative, innovative, and results-oriented culture and encourages applications from individuals with diverse backgrounds and transferable skills.

Requirements

• 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

Nice To Haves

• 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

Responsibilities

• 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

Benefits

• Pathway to promotion to additional organizational positions and responsibilities based upon results and performance, not just time in the chair.
• Passionate and intelligent colleagues who work hard and have a good time doing it
• Paid company-wide week off at the end of each year
• Flexible Vacation Policy
• Awesome company swag
• Full medical, dental, and vision benefits for US, UK, and Canada-based employees
• Full short-term disability and life benefits; available long-term disability
• Retirement savings account options with vested company matching for qualifying employees
• In-person annual gatherings. Last time we all spent a week on a beach in the Dominican Republic!

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 11-50 employees