Web Integration Engineer Endpoint Security

Job Title: Web Integration Engineer - Endpoint Security
Location: London, United Kingdom (Hybrid)
Day Rate: £500 - £520 (Outside IR35)
Job Type: 12 Month Contract

We are looking for a skilled Web Integration Engineer to join a high-performing Endpoint Security team. This role is focused on supporting the implementation of a browser isolation solution, with particular emphasis on web integration, browser behaviour, and application compatibility.

This is a hands-on integration and troubleshooting position, ideal for someone with strong web fundamentals and a passion for cyber security. You will work closely with security and networking teams to ensure seamless integration and optimal performance across web applications.

Job Responsibilities/Objectives

• Support the implementation and ongoing operation of a browser isolation solution
• Lead web integration and compatibility efforts, including:
  • Authentication flows
  • Cookies and session handling
  • HTTP headers
  • Browser behaviour and application-specific issues
• Troubleshoot and resolve web and browser-related issues across multiple layers (client, isolation/Proxy, upstream applications)
• Collaborate with network and security teams to identify and resolve root causes
• Ensure solutions align with security policies and best practices
• Create and maintain documentation for configurations, known issues, and operational processes

Required Skills/Experience

The ideal candidate will have the following:

• Strong understanding of web technologies and browser behaviour
• Experience with web integration and troubleshooting in complex environments
• Familiarity with browser isolation or similar security technologies
• Solid networking fundamentals (eg proxies, DNS, TCP/IP)
• Experience working with Firewalls, VPNs, and VLANs
• Scripting/automation skills (eg Python or Bash)
• Exposure to cloud platforms such as AWS, Azure, or GCP
• Relevant certifications (eg CCNA, CCNP) are advantageous
• Strong communication skills with the ability to explain technical concepts clearly

Proficiency Expectations

• Web Development - Advanced
• Web Integration & Troubleshooting - Advanced
• Security Best Practices - Intermediate
• Network Configuration - Intermediate
• Scripting & Automation - Intermediate
• Cloud Networking - Intermediate

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.