Open to Senior DevOps & Architect roles · Remote

№ 01 Curriculum Vitae · 2026 Edition

Miguel Callejas.

Software Architect & Senior DevOps Engineer · AI-augmented Platforms

A decade designing global SaaS infrastructure that doesn't wake people up at 3 a.m. — leading platform, security, and AI engineering teams across AWS, GCP, and Azure.

  1. 0+

    Years building SaaS at scale

  2. 0+

    Engineers led & mentored

  3. 0+

    CPU cores under operation

  4. 0TB

    Memory across cloud & on-prem

  5. 0

    Cloud platforms — AWS · GCP · Azure

Now

Updated May 2026

Leading the CloudOps org at Seagull Software, where we run globally distributed SaaS infrastructure across AWS and GCP plus three on-prem regions. Day-to-day this looks like:

  • Building a unified secrets & IAM substrate (Vault + Keycloak) across cloud and on-prem.
  • Reducing observability spend with AI-assisted log triage — ~38% lower retention cost in pilot.
  • Hiring senior platform & SRE engineers for LATAM and US-remote pods.
  • Writing on data pipelines, MLOps cost, and how to keep on-call humane.

Core skills

DevOps · AI platforms

Cloud & Infrastructure

  • Kubernetes
  • Terraform
  • AWS
  • GCP
  • Docker
  • ArgoCD
  • Helm
  • Grafana
  • Prometheus
  • OpenTelemetry
  • HashiCorp Vault
  • Keycloak
  • IAM Hardening

Data & AI Platforms

  • BigQuery
  • Vertex AI
  • OpenAI API
  • Databricks
  • Dataflow
  • LangChain
  • Pinecone

Credentials

4 active certifications

  • AWS

    AWS Solutions Architect — Associate

    Amazon Web Services

  • GCP

    Professional Cloud Architect

    Google Cloud

  • K8s

    Certified Kubernetes Application Developer

    The Linux Foundation

  • GS1

    GS1 Standards Professional

    GS1 US

Experience

14 years · 8 roles · 3 countries

  1. Oct 2024 — Present

    Washington, US · Remote

    CloudOps Engineering, Director at Seagull Software

    Leads a team of 20+ engineers across CloudOps and DevOps, driving architecture, deployment, and maintenance of globally distributed SaaS platforms. Owns 2 cloud platforms (AWS, GCP), 3 on-prem regions, and 400+ cores / 4 TB of memory.

    • Owns full budget & headcount for CloudOps and DevOps pods.
    • Implemented secrets management (Vault, AWS Secrets Manager) and IAM hardening (Keycloak, cloud-native IAM).
    • Built CI/CD & automation for scalable multi-tenant systems; cut deploy lead time meaningfully.
    • Ongoing cloud-cost optimisation across AWS and GCP.
    • AWS
    • GCP
    • Kubernetes
    • HashiCorp Vault
    • Keycloak
    • SDLC

  2. Jul 2016 — Oct 2024

    Florida, US · Remote

    8 yrs 4 mo

    Software Architect at Mojix

    Designed and integrated enterprise information systems while supervising development teams and defining architectural strategy. Focused on improving scalability, data flow, and API integration across the company's products.

    • Led architectural design and integration for enterprise-grade systems.
    • Advised technical teams on emerging technologies and infrastructure improvements.
    • Assessed business impact of architectural decisions across multiple product lines.
    • GCP
    • Terraform
    • BigQuery
    • Vertex AI
    • DataFlow
    • Azure

  3. Jan 2015 — Jun 2016

    La Paz, BO

    Networking Instructor at CTE Partner Cisco

    Delivered professional instruction for Cisco certification courses including CCNA and CCNP Routing & Switching.

    • Cisco
    • Routing & Switching

  4. Feb 2013 — Jun 2016

    La Paz, BO

    Senior Networking Engineer at ITC Group

    Designed collaboration and data-center networks with emphasis on IP telephony, unified messaging, and virtualization. Developed scalable architectures including spine-leaf and FabricPath.

    • Networking
    • Collaboration
    • Virtualization

  5. Nov 2012 — Jan 2013

    La Paz, BO

    Data Mining at Entel

    Database filtering, BI analysis, and software development for KPI tracking.

  6. Jun 2012 — Aug 2012

    Delaware, US

    Researcher · ECE Dept. at University of Delaware

    Information retrieval and data mining using Lemur and Indri to improve search and indexing for medical databases.

  7. Jun 2011 — Jun 2012

    La Paz, BO

    Software Developer at Soltux

    Built NCL applications for digital-television middleware, virtualized STB environments, and educational content for Bolivia's digital-TV rollout.

  8. Mar 2012 — May 2012

    San Antonio, TX

    Technical Support at Spread Group

    Web-server deployments and security audits for Joomla-based systems including PHP scripting and virtualization troubleshooting.

Education

Telecoms · Telematics · Research

  1. 2012 — 2014

    Master's in Telematics & Telecommunications

    Universidad Católica Boliviana

  2. 2011 — 2012

    Visiting Researcher · ECE

    University of Delaware

  3. 2008 — 2011

    Bachelor's in Telecommunications Engineering

    Universidad Católica Boliviana