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Senior Network Security Engineer

Senior Network Security Engineer

Custom Field 1:  Cloud Engineering
Custom Field 3:  Cloud Engineering
Country/Region:  CR
Date:  Sep 13, 2025
Location: 

Heredia, CR, 40101

Working place:  Remote

Job description:

About the role:

The Web Application Firewall (WAF) Security Engineer is a critical role within our 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.

 

A day in this role:

  • 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.

The expertise requested:

  • At least 5 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).
  • B.S. in Information Technology, Computer Science, or a similar technical program.
  • Exceptional communication skills, capable of effectively articulating technical concepts to both technical and non-technical audiences.
  • Strong analytical and problem-solving skills, with meticulous attention to detail.
  • Proven ability to self-manage, prioritize tasks, and handle ambiguity and rapid changes in priorities.
  • Demonstrated experience in managing stakeholder expectations and delivering projects within defined timelines.
  • A commitment to continuous learning and adaptability to new technologies and changing environments.
  • Attention to detail: able to thoroughly review configurations and policies, identifying gaps in solution designs prior to implementation.

 

Our Core values are focus to inclusion and diversity, all qualified applicants will be considered for employment and will go thru a fair recruitment process regardless of their race, religion, gender identity, sexual orientation, national origin or disability status.

Your journey with us begin begins here!!

Als Partner für IT-Beratung und Software-Entwicklung sind wir auf die digitale Transformation unserer Kunden aus den Bereichen Finanzen, Versicherungen und Industrie spezialisiert. Unsere rund 700 Talente in Deutschland entwickeln mit modernsten Technologien nachhaltige Lösungen.

Cinco motivos para ser parte del #TeamGFT

  • Flexibilidad: ¡Aquí el equilibrio lo es todo! Ofrecemos un entorno que respalda el balance de la vida personal y laboral y trabajo remoto.  
  • Colaboración: La colaboración es fundamental. Trabajamos en equipos multidisciplinarios, donde cada persona aporta sus habilidades únicas.  
  • Multiculturalidad: Contamos con un equipo global diverso que fomenta una atmósfera de aprendizaje y crecimiento personal.                   
  • Desarrollo: Ofrecemos un plan de carrera personalizado, así como programas de formación para desbloquear tu potencial.
  • Relevancia: Colaboramos con clientes líderes en la industria en proyectos de alto impacto que definen el futuro tecnológico.                

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