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Looking for an Employee

Open to new opportunities across AI, cloud architecture, security, networking, DevOps, and full-stack delivery.

Open to new opportunities

Looking for the right team and the right problem

I am open to roles where senior cloud architecture, AI systems, networking, security, and DevOps can be applied together. The strongest fit is a team that needs someone who can think at architecture level and still build, ship, and operate the work.

AI and Agent Systems

Multi-agent orchestration, retrieval systems, prompt strategy, and production guardrails.

Cloud and Platform Engineering

AWS, Azure, serverless, container platforms, landing zones, and infrastructure as code.

Security and Reliability

Zero-trust design, IAM, network controls, observability, and resilient operations.

Networking and Delivery

Hybrid connectivity, routing, release pipelines, and production delivery across teams.

Target roles

Senior AI Cloud ArchitectPrincipal Cloud ArchitectPlatform / Infrastructure ArchitectDevOps and Security Engineering LeadSolutions Architect for AI-enabled systems

Cover Letter

Professional Cover Letter for Hiring Managers

Dear Hiring Manager, I am excited to apply for a role where I can lead and deliver enterprise AI and cloud architecture outcomes end to end. I bring over 12 years of enterprise IT leadership and over 8 years of focused cloud engineering experience across AWS and Azure. I design and build production systems, not slideware. My recent work includes secure multi-cloud AI architectures, serverless platforms, zero-trust networking, infrastructure as code, and CI/CD automation that ships reliably. I am comfortable moving from strategy and architecture to implementation and operational ownership without losing focus on security, resilience, and cost. I add value quickly because I operate across architecture and hands-on delivery. I can drive platform design, modernize legacy environments, improve release velocity, and deliver AI-enabled systems that are practical to run in production. I also communicate clearly with executives, engineers, and cross-functional stakeholders, helping teams move faster with fewer misunderstandings. If your organization is looking for someone who can lead across AI, cloud, networking, security, DevOps, and software delivery, I would welcome the opportunity to speak. I am ready to help your team build resilient, scalable systems and deliver measurable business impact. Sincerely, Luber Guilarte-Hay

Cloud Security

Zero-trust architecture.

Designing and implementing enterprise-grade security controls across cloud platforms—encryption, identity, compliance, and threat detection.

  • • AWS Security Specialty, Azure Expert
  • • HIPAA, SOC2, FedRAMP compliance
  • • Threat modeling & penetration testing
  • • WAF, DLP, GuardDuty, Security Hub
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DevOps & Infrastructure

Code-driven ops.

Infrastructure-as-Code, CI/CD pipelines, Kubernetes orchestration, and automated deployments—eliminating manual provisioning and human error.

  • • Terraform, CloudFormation, CDK
  • • GitHub Actions, CodePipeline, GitLab CI
  • • EKS, AKS, GKE administration
  • • 99.95%+ uptime SLA track record
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