Web Application Firewall (WAF) Security Engineer

Sunscrapers is a technology consultancy that empowers finance and healthcare leaders to succeed by leveraging cutting-edge software, data, and AI.

We combine world-class engineering, deep industry expertise, and proprietary know-how to deliver innovative, high-impact solutions. Specializing in software engineering, DevOps, data engineering, and data science, we design and build AI-powered data platforms and web applications tailored to each client’s unique needs.

Trusted by over 60 clients across the US, UK, and beyond, we consistently maintain a 4.9/5 client satisfaction rating, with partnerships averaging five years or more.

The project:

We are carrying out the project for our client, an American private equity and investment management fund - listed on the Forbes 500 list - based in New York.

Role Overview: The Web Application Firewall (WAF) Security Engineer is a critical role within the Network Security Team team, focusing on protecting internet-facing applications through the implementation and management of WAF solutions.

This role is ideal for individuals with strong WAF experience and a proven track record in security policy development and infrastructure as code (IaC) automation.

Key Responsibilities:

• Design, implement, and manage WAF security policies, with a primary focus on Cloudflare, to protect internet-facing applications.
• Continuously refine and improve WAF rules and policies, standardizing operational practices and creating detailed documentation.
• Provide L3 level support for operational issues, troubleshoot and resolve complex problems.
• Employ infrastructure-as-code (IaC) tooling, particularly Terraform, to automate the provisioning and management of configurations.
• Conduct in-depth analyses of web traffic patterns and security logs to identify and mitigate potential threats.
• Collaborate with application teams to ensure WAF policies align with security requirements and best practices.
• Stay current with emerging web application threats and adjust WAF policies accordingly.

Requirements

What's important for us?

• At least 6 years of hands-on experience in Web Application Security, with a significant focus on security policy management.
• Extensive experience with Cloudflare WAF, including writing and tuning security policies.
• Experience with Custom WAF rules such as Firewall Rules, Rate Limiting, Bot Management, Managed Rules. Deeper understanding of performance considerations for an internet facing site such as latency, caching strategies, HTTP/2, and TLS 1.3.
• Strong knowledge of web application security concepts, common vulnerabilities (e.g., OWASP Top 10), and attack vectors (DDoS).
• Hands-on experience with infrastructure-as-code, particularly Terraform.
• Experience with log / data analysis and SIEM tools (e.g., Splunk).
• Proficiency in at least one scripting or programming language (e.g., Python, Bash) for automation tasks.
• Experience with public cloud providers (AWS, Azure, or GCP) and their native security services.
• Familiarity with CI/CD pipelines and version control systems (e.g., Git).
• Understanding of network protocols and web technologies (HTTP/HTTPS, SSL/TLS, DNS).

Soft Skills:

• Excellent communication skills, with the ability to explain complex security concepts to both technical and non-technical stakeholders.
• Strong analytical and problem-solving skills, with attention to detail in policy writing and configuration.
• Ability to work independently and as part of a team in a fast-paced environment.
• Proactive approach to identifying and mitigating security risks.
• Adaptability and continuous learning to keep up with evolving threats and technologies.
• Experience in managing stakeholder expectations and collaborating with cross-functional teams.
• Ability to prioritize tasks effectively and manage multiple projects simultaneously.

Benefits

What do we offer?

• Working alongside a talented team of software engineers who are changing the image of Poland abroad
• Culture of teamwork, professional development and knowledge sharing (https://www.youtube.com/user/sunscraperscom)
• Flexible working hours and remote work possibility
• Comfortable office in central Warsaw, equipped with all the necessary tools for conquering the universe (Macbook Pro, external screen, ergonomic chairs)

Sounds like a perfect place for you? Don’t hesitate to click apply and submit your application today!