ASP.NET / Front-End Developer - network security and firewall configuration

Natobotics; London; On-site; GBP 50,000 - 58,000; Full time

Job summary

A leading company in IT services is seeking an ASP.NET / Front-End Developer focusing on network security and firewall configuration. The successful candidate will engage in developing web applications, collaborate on security integration, and ensure compliance with network policies. This position requires a solid foundation in ASP.NET technologies, proactive troubleshooting skills, and experience with firewall management tools.

Qualifications

• 5+ years of experience in ASP.NET (C#) web development.
• Strong front-end skills with HTML5, CSS3, JavaScript, and modern frameworks.
• Good understanding of network security principles and firewall rules.

Responsibilities

• Develop and maintain web applications using ASP.NET and modern front-end technologies.
• Collaborate with security and network teams to integrate security protocols into applications.
• Translate security requirements into front-end behavior and access control logic.

Skills

ASP.NET (C#)

HTML5

CSS3

JavaScript

React

Angular

Network Security

Firewall Configuration

Palo Alto Networks

Job description

ASP.NET / Front-End Developer - network security and firewall configuration

Join to apply for the ASP.NET / Front-End Developer - network security and firewall configuration role at Natobotics

ASP.NET / Front-End Developer - network security and firewall configuration

Join to apply for the ASP.NET / Front-End Developer - network security and firewall configuration role at Natobotics

Get AI-powered advice on this job and more exclusive features.

We are looking for a skilled ASP.NET / Front-End Developer with a strong foundation in network security and firewall configuration. The ideal candidate will have hands-on experience with ASP.NET technologies and front-end development, coupled with working knowledge of firewall rules, access controls, and network policies. Experience with Palo Alto Networks is a strong advantage.

Key Responsibilities

• Develop and maintain web applications using ASP.NET (C#) and modern front-end technologies (e.g., HTML, CSS, JavaScript, React/Angular).
• Collaborate with security and network teams to integrate firewall policies and security protocols into applications.
• Assist in the design and validation of firewall rules and ACLs, ensuring secure access to application modules.
• Translate security and compliance requirements into front-end behavior and access control logic.
• Troubleshoot issues related to application-layer firewall conflicts and rule enforcement.
• Work closely with DevOps/network teams on deployment, access, and secure routing.
• Participate in code reviews, architecture discussions, and Agile ceremonies.
  
  

Required Skills & Experience

• 5+ years of experience in ASP.NET (C#) web development.
• Strong front-end skills with HTML5, CSS3, JavaScript, and any modern framework (React, Angular, or Vue.js).
• Good understanding of network security principles, firewall rules, ports, protocols, and access control.
• Exposure to firewall management tools (e.g., Palo Alto, Cisco ASA, Fortinet).
• Ability to read and apply basic firewall configurations to development workflows.
• Experience in working with DevOps/SRE teams and understanding deployment pipelines.

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Contract

Job function

• Job function

  Engineering and Information Technology

• Industries

  IT Services and IT Consulting

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