Linux Engineer - #1700780

World Wide Technology (WWT), a global technology integrator and IT solutions provider. World Wide Technology, established in 1990 in St. Louis, Missouri, collaborates with OEMs like Cisco and Dell EMC to offer infrastructure security and custom app development services to Fortune 500 companies in various sectors. With over 10,000 employees globally, we generate $20 billion in annual revenue and operate in regions including the US, UK, Canada, Europe, Costa Rica, APAC, and Middle East. We're proud to be consistently recognized as a top employer by Fortune and Glassdoor for over 13 years.

World Wide Technology Holding Co, LLC (WWT) has an opportunity for a Linux Engineer. Below is the JD for the role. Please help me with the information needed to process your application, and I will contact you to discuss the role.

This is a contract Role & Inside IR35

Linux Engineer

Contract Duration: 6 months!

Location: Sheffield, UK (Hybrid)

About the Role

We are seeking a skilled Linux Engineer to support a high-impact project focused on optimizing voice and video traffic routing for eLux devices via Zscaler ZIA and ZPA. You will play a critical role in implementing and supporting device and user-based authentication methods, improving performance across distributed endpoints, and managing key systems on Linux.

This role will require close collaboration with Zscaler’s technical teams and internal business units, with a clear roadmap for delivery.

Key Responsibilities

• Lead the deployment, configuration, and testing of new eLux builds across 100k+ endpoints.


• Implement and validate device-based and user-based authentication mechanisms using Zscaler ZIA/ZPA.


• Work with internal teams and Zscaler support to troubleshoot and remediate issues related to system builds and endpoint behavior.


• Upload, manage, and maintain Linux-based system images and configurations.


• Perform root cause analysis on Linux system issues, including core OS and application layer debugging.


• Support performance testing and provide input into optimization strategies for voice/video offload from the core network.


• Liaise with technical stakeholders to ensure timely delivery and resolution of blockers, particularly those tied to performance-related concerns from business units.

Key Skills & Experience

• Strong experience with Linux system administration and scripting.


• Demonstrable experience working with endpoint devices, ideally thin clients like eLux.


• Hands-on knowledge of Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).


• Ability to troubleshoot OS-level issues and system performance concerns.


• Experience uploading and managing Linux system builds at scale.


• Strong problem-solving skills with the ability to work under pressure and deliver to tight deadlines.


• Familiarity with network optimization and security principles.