QA Engineer
Senior engineer focused on automating network security operations, leveraging Python scripting, network protocols, and security tools to design, implement, and maintain secure, scalable infrastructure solutions.
3Pillar is an AI transformation partner on a mission to help enterprises build the AI-native products and intelligent agents that will define the next era of business. With teams across North America, Europe, Latin America, and Asia, we work with the most ambitious companies in financial services, healthcare, media, and technology — helping them move faster, modernize boldly, and compete on their own terms. Our HelixAI platform and Helix Pods delivery model put our engineers at the center of real agentic transformation — doing work that is open, portable, and built to last. We are building the future of enterprise AI.
🌟 You are an experienced Senior Network Security Automation Engineer who drives security strategy within your engagements and influences broader practice standards. You shape how security automation is designed and delivered, mentor senior team members, and lead the most complex security initiatives.
Expectation: Proficient daily use of AI-powered tools integrated into core workflows. Ability to evaluate AI tool effectiveness, identify appropriate use cases, and contribute to team-level AI adoption. Expected to champion AI-assisted practices within the project team.
Relevant Platforms: Proficient in: GitHub Copilot, Cursor, Claude Code, OpenAI Codex. Regular use of: AI-powered SIEM/SOAR platforms, AI threat detection and response, intelligent vulnerability scanning (Snyk AI, SonarQube AI), AI-driven compliance monitoring. Leverages Claude, ChatGPT, and similar LLMs for security policy analysis, threat modeling, and incident documentation
It´s a half-time role
KEY RESPONSIBILITIES
Drive security automation strategy for complex engagements, embedding an audit-by-construction methodology into CI/CD pipelines to ensure continuous compliance.
Architect scalable security solutions for cloud-native and hybrid environments, specializing in the design and governance of secure Azure Landing Zones.
Lead the design of enterprise-grade security platforms, engineering robust tenant isolation strategies to mitigate cross-tenant risks in multi-tenant architectures.
Contribute to compliance strategy and data privacy by implementing automated PII protection mechanisms (e.g., masking, tokenization) and preparing environments for frictionless audits.
Govern identity and access management by developing comprehensive Role-Based Access Control (RBAC) models that enforce the principle of least privilege across all systems.
Mentor senior and mid-level security engineers, developing talent.
Manage stakeholder relationships, providing security risk insights to leadership.
Champion security automation best practices and continuous improvement.
Evaluate emerging security technologies and threat landscapes.
Lead red team/blue team exercises and security assessment programs.
Contribute to compliance strategy and audit preparation.
Design secur
Posted June 21, 2026