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# Networks & Security Senior Test Engineer

- **Company:** PSR TITLE, LLC
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Software System Penetration Testing, Automation of Tests, Communications Protocols, Computer Networks, Dynamic Trunking Protocol, Ethernet, Enhanced Interior Gateway Routing Protocol, Fuzz Testing, Hot Standby Router Protocol, Internet Group Management Protocols, Python (Programming Language), Network Troubleshooting, Network Diagnostics, Network Monitoring, Open Shortest Path First (OSPF), Software Architecture, Verification and Validation (Software), System Testing, Virtual Local Area Networks, Virtual Router Redundancy Protocols, Scripting, VLAN Trunking Protocol (VTP), Computer Networking Systems, Computer Network Technologies, Process Control Systems, Cisco
- **Published:** October 12, 2026
- **Apply:** https://www.thejobnetwork.com/job/351f7c36-4e40-4f18-b70a-8b68343ce37b/network-security-test-engineer

## About the Role

We seek individuals who are comfortable working in highly dynamic collaborative environments globally across time zones.A passion for testing and problem-solving is essential. We are looking for someone with experience across different software architectures, who can apply that knowledge effectively within networking and control systems applications., * Bachelor's degree in computer engineering, Computer Science, or Electrical Engineering with a focus on Computer Science
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 * At least 3 years of experience in Networking and Security Engineering.
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 * Solid understanding of computer networks and communication protocols
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 * Experience designing, implementing and troubleshooting network implementations
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 * Expert-level technical background in High-complexity Networking solutions and implementation strategies and understanding of IT and OT convergence
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 * Background in Test, specifically in testing of ethernet networks and test environment design for ethernet networks.
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 * Experience with network technologies including (STP, VLANs, DTP, VTP, IGMP, RIP, OSPF, EIGRP, HSRP, VRRP, Flex links, ACLs, DLR, PRP, HSR, MRP…)
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 * Experience with Security related concepts, protocols, fuzzing tools, Achillies testing, Defensics testing, Pen testing and detailed knowledge of PSIRT processes
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 * Experience with Cisco IE/Stratix networking switches and routers.
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 * Hands-on experience with automated testing frameworks
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 * Knowledge of industrial control systems
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 * Strong written and spoken English communication skills
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 * Proficiency in programming methods and scripting languages, with strong skills in Python
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 * Knowledge and familiarity with AI tools in Security is a plus

## Description

As a Networks & Security Senior Test Engineer at client, you will contribute to projects involving the design, and development of automated testing for networking products. Your responsibilities will include test planning, create test cases, and execute tests using specialized analysis methods, construction techniques, and security tools tailored to industrial automation challenges., In this role, you'll play a central part in reviewing the Robustness and Vulnerability reports, cross-collaborate with PSIRT teams from multiple locations and companies, verify the resolved vulnerability defects, research CVEs and draft vulnerability responses working with PSIRT teams, provide customer support for security issues on our Stratix products, design and implement test automation, as well as building system test environments that push client products to their limits. You'll collaborate on a comprehensive verification and validation program designed to strengthen product reliability with focus on security. Your efforts will be critical in ensuring that products are robust, free of defects, meet performance standards, and align with total quality management principles.