D-Fend Solutions
Security
SystemQAEngineer
Neural analysis suggests this role is
optimal for Mid+ candidates.
“System QA Engineer at D-Fend Solutions. Skills: System QA, Distributed systems, Test automation, Observability. Participate in PRD reviews. Participate in HLD reviews”
What You'll Achieve.
Ensure operational stability; Ensure system resilience
Industry & Context.
Root-cause analysis; Troubleshooting
What They're Looking For.
Must Have
5+ years QA experience, ISTQB Foundation Level certification, Networking or Security certification, Hands-on automated test suites, Testing distributed systems, API-driven architectures, Solid understanding TCP/IP, Linux proficiency, Containerization experience, Log aggregation/telemetry tools, REST APIs understanding, WebSocket communication understanding, Testing Web applications, Testing backend services
Nice to Have
SDR or RF-based systems experience, Cybersecurity background, Secure communication protocols experience, Encrypted networks experience, Non-Functional Testing experience, SQL experience, Analytical databases experience, Time-series databases experience, Military defense-system background, Intelligence sector background, Field-deployment background experience, Automated test suites development experience
What You'll Do.
Participate in PRD reviews
Participate in HLD reviews
Enforce system testability
Test National C2 cloud
Validate state synchronization
Simulate degraded network conditions
Simulate forced disconnects
Simulate VPN tunnel collapses
Isolate integration breakdowns
Provide root-cause indicators
Provide reproduction steps
Integrate automated test suites
Ensure continuous validation
Maintain test coverage documentation
Maintain system behavior documentation
Maintain defect tracking documentation
How You'll Work.
Team & Collaboration
Cross-functional teams
Communication Scope
Documentation
Process & Methodology
CI/CD pipeline
Full Job Description
## Description At D-Fend Solutions, our people are our greatest strength — and technology is our passion. Our team of innovators and subject matter experts, including veterans of elite military intelligence technology units, is transforming the way organizations protect themselves from drone threats. As the global leader in cyber-takeover counter-drone technology, we design and deliver advanced, software-defined solutions that empower our customers to detect, take control, and safely land unauthorized drones — with precision and reliability. Every day, we push the boundaries of innovation to meet real-world security challenges across industries and environments. We’re proud of our cutting-edge technology, our global reach, and the impact we make in securing the skies. We’re seeking passionate professionals who thrive in a fast-paced, creative, and collaborative environment — those who want to be part of the next generation of airspace security innovation. Join D-Fend Solutions and help make the world a safer place. Become a D-Fender! Work with the world’s leading cyber-takeover counter-drone technology provider and shape the future of safe airspace. The Mission Your role is to ensure the operational stability and resilience of the D-Fend Applications Ecosystem, encompassing National C2, MSC2, and Edge C2 platforms. You will rigorously test the seams where these distributed systems integrate. You are expected to execute with precision, learn the architecture deeply from the ground up, and evolve into the Domain Expert for our multi-tiered command and control system. Critically, you will champion a "Shift-Left" quality approach: preventing defects during the design and planning phases rather than merely catching them after development is complete. ## Core Responsibilities Actively participate in Product Requirements(PRD), High-Level (HLD) reviews to enforce system testability before code is written. Execute and automate comprehensive test plans across Edge C2 nodes, M
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