Job Description

We are seeking a highly professional and detail-oriented Senior QA Engineer to join our Compatibility team and help shape the future of a market-leading Network Access Control (NAC) product suite. This role supports solutions spanning Network Access Control, Endpoint Compliance, Mobile Control, and Intrusion Prevention. Applications include client/server and web-based systems running on both Windows and Linux platforms.

What You Will Do

• Test on-prem NAC software solutions along with third-party devices, including:
• Network and switch devices
• Endpoint compliance solutions
• Software integrations
• Design, develop, and maintain manual and automated test suites.
• Analyze, document, and report defects to improve product stability, conformance, and supportability.
• Execute end-to-end, integration, sanity, and regression testing (manual and automated).
• Validate defect fixes and new functionality.
• Create and maintain test documentation, use cases, and technical design artifacts.
• Collaborate closely with product management, development, and QA teams.
• Translate system requirements and specifications into clear, effective test cases.

What You Bring

Professional Skills

• 5–7+ years of experience in software quality assurance, preferably in network and endpoint security.
• Experience testing network security products such as firewalls, intrusion prevention systems, or SIEM solutions.
• Familiarity with Cisco, Juniper, and/or HPE network devices.
• Hands-on experience with Linux, Python, SQL, and databases; working knowledge of Java is a plus.
• Strong analytical and logical troubleshooting skills across software and network environments.
• Experience with virtualization platforms such as VMware, Hyper-V, and KVM.
• Exposure to automation frameworks and test scripting.
• Solid networking knowledge, including TCP/IP and protocols such as DNS, SMTP, SNMP, DHCP, and 802.1X.
• Familiarity with network equipment configuration (switches, routers).
• Experience with Windows-based networks and domain management is a plus.
• Experience with low-level network monitoring and packet sniffing tools.

Personal Skills

• Able to work independently while collaborating effectively with others.
• Quality-focused, proactive, and detail-oriented.
• Fast learner, resourceful, and adaptable.
• Strong communication and execution skills.
• Team player with Agile experience (preferred) and a willingness to mentor and learn.

Type: Contract (12+ months)

Location: Plano, TX (Hybrid)

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