Senior Network Security Automation Engineer

Job Description

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

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 security metrics and reporting frameworks.

DESIRED CAPABILITIES

• Leadership skills

• Mentoring and coaching abilities

• Strategic thinking and decision-making skills

• Stakeholder management and collaboration

• Ability to motivate and inspire team members

• Continuous improvement mindset

• Deep understanding of the threat landscape

MINIMUM QUALIFICATIONS

• Bachelor’s degree in Computer Science, Cybersecurity, IT, or related field.

• Minimum of 5-7 years of experience in network security and security automation.

• Expertise in designing and implementing enterprise security automation platforms.

• Deep knowledge of security operations, threat detection, and incident response.

• Experience with security architecture for cloud-native applications.

• Strong leadership and mentoring capabilities.

• Advanced understanding of compliance frameworks and regulatory requirements.

• Experience with security risk assessment and management.

• Outstanding English communication skills.

ADDITIONAL EXPERIENCE DESIRED

• Advanced certifications (CISSP, CISM, GIAC Expert-level).

• Experience with security program management.

• Knowledge of AI-driven security operations.

• Track record of building security automation teams.

BENEFITS

• Vacations. According to the law from your first anniversary.
• Discretionary Time Off (employees are able to take time off when necessary)*
• 26 days of Christmas bonus
• Food coupons
• Major medical insurance
• Life Insurance (optional)
• Savings box (optional)
• Law benefits: IMSS, Afore, Infonavit.
• Career plan that will let you grow and plan for the future
• Home Office
• Internal Trainings
• Support with external trainings and certifications
• Referrals bonus

#LI-Remote

What is it like to work at 3Pillar?

At 3Pillar, we create an environment where people can do their best work while maintaining a healthy work-life balance.

• Flexibility & Well-being – Our remote-first approach gives you the flexibility to work where you perform best, while prioritizing your well-being and personal commitments.
• Global Community – Collaborate with talented colleagues across the globe in a culture built on connection, support, and shared success.
• Your Voice Matters – We foster open communication and multiple feedback channels, ensuring every employee has the opportunity to be heard and make an impact.
• Growth & Development – Gain exposure to diverse clients, industries, and challenges that accelerate learning and career growth.

Our culture is guided by four core values: Collaboration, Outperform, Respect, and Evolve—the principles that shape how we work, grow, and succeed together.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.