Miguel Ramirez Exojo — Cloud, DevOps & AI Infrastructure

// 01

What
I solve

For CTOs, Cloud Directors, Engineering Managers, and recruiters who need clearer decisions, safer delivery, and senior contractor capacity without long hiring cycles.

01

Clearer cloud decisions before cost grows

Useful when leadership needs senior review on platform choices, migration scope, ownership, or trade-offs before more budget and team time are committed.

CTO Cloud Director Architecture Review Risk Priorities

02

Faster progress without waiting for full-time hiring

Senior contractor model helps teams move on urgent infrastructure or platform work now, with less ramp-up, less hiring drag, and cleaner exit once objective is done.

Contractor Fast Ramp-Up B2B Shorter Hiring Delay

03

Safer delivery with less manual friction

Engineering managers get pipelines and release paths that are easier to trust: fewer manual steps, clearer controls, and less time lost in unstable CI/CD.

Engineering Manager Release Safety CI/CD Security Controls Auditability

04

Better visibility before incidents escalate

Cloud and platform teams get clearer signals around reliability, alert quality, ownership, and runbooks, so fewer problems arrive late and noisier than needed.

Observability SRE Incident Readiness Runbooks Ownership

05

Work internal teams can keep after handover

Important for managers and recruiters: infrastructure work should stay modular, documented, and maintainable after contractor phase ends, not create new dependency.

Handover Documentation Recruiter Friendly Maintainability Ownership

06

Lower waste in cloud spend and delivery effort

Reviewing platform costs, weak process areas, and technical debt helps teams reduce waste while improving delivery pace and operational clarity at same time.

FinOps Cost Control Technical Debt Delivery Efficiency

// 02

Where
I've been

From physical servers to multi-region Kubernetes. The full arc.

mrexojo.com · B2B Contractor

Freelance Cloud & DevOps Engineer

2022 — Present · Remote · Spain / Europe Timezones

Providing senior B2B contracting and cloud capacity for European and global engineering teams. Client engagements include Orange Bank, Softeca.es, Biability.com, SantaLucía, and Jefferson Frank IT Consulting. Focus areas:

DevSecOps & Platform Automation

Managed and oversaw developer toolchains and GitHub organizations. Designed and implemented GitOps workflows with Terraform and GitHub Actions, integrating automated security scanners (Snyk, Semgrep, SonarQube, DependencyTrack, zizmor, DefectDojo). Reduced deployment times by ~40% and eliminated manual environment errors.

Cloud cost optimization & FinOps

Audited infrastructure architectures and established cloud cost controls on AWS and Azure. Implemented right-sizing, spot instances, and clean-up automation. Achieved a 25% reduction in monthly cloud spend while migrating workloads safely to containerized services (ECS, Lambda, S3, CloudFront).

AI Integrations & Operations

Helping teams evaluate AI infrastructure, local LLM tooling, and early AI agent workflows with normal operational discipline around deployment, cost, and reliability.

TerraformGitHub ActionsAWSAzureFinOpsDevSecOpsNVIDIA NCA-AIIOAI Infrastructure

Copado (US)

Cloud Infrastructure Engineer

2021 — 2022

Contributed to a global, distributed infrastructure team (cooperating across US, India, and Europe) managing a Salesforce DevOps platform. Focused on automating multi-environment deployments, strengthening platform security, and ensuring high system availability.

→ Designed and maintained comprehensive IaC solutions leveraging custom Terraform modules integrated with GKE, Cloud Storage, and Cloud SQL.

→ Built robust observability solutions using Sumo Logic, Fluentd, and Prometheus across Heroku, AWS, and GCP. Created alerts that sustained 98% distributed system uptime and helped mitigate severe zero-day incidents (e.g. log4j).

→ Enhanced continuous deployment (CI/CD) pipelines inside GitLab CI incorporating HashiCorp Vault security. Provided Level 3 support to agile Salesforce developer teams, facilitating EU database migrations from Heroku to Cloud SQL.

GKETerraformSumo LogicGitLab CIHashiCorp VaultGCPObservability

Sngular (Spain)

Cloud & DevOps Engineer

2018 — 2021

Embedded as a consulting engineer for prominent clients in retail and finance, delivering robust automation and architectural migrations to cloud and hybrid systems.

→ Decathlon Spain (2020 — 2021): Automated and orchestrated the deployment of Node.js data extractors on Azure Kubernetes Service (AKS) utilizing Azure DevOps, streamlining business intelligence reporting.

→ Telefónica Foundation (2018 — 2020): Co-designed and deployed Infrastructure as Code (IaC) for a global volunteering platform (autoscaling groups, RDS, CloudFront, high-availability Jenkins/MongoDB/GlusterFS setup) using Ansible, Packer, and Terraform.

→ Hbwell & Internal Services (2018 — 2020): Handled AWS environments and centralized logging architectures (Graylog/Sensu) for a clinic appointments platform. Administered internal operational systems (GitLab, SonarQube, Keycloak, Jira).

AWSAzure (AKS)TerraformAnsiblePackerAzure DevOpsKubernetesLinux

Nokia Spain

Site Reliability Engineer

2016 — 2018

Oversaw physical server infrastructure in the CPD and managed OpenStack environments, collaborating internationally to support large-scale telecom OTT streaming services.

→ Administered OpenStack (Mitaka/Pike) environments, managing and troubleshooting virtual compute, storage, and networking resources.

→ Automated bare-metal server provisioning using MAAS (Canonical) and custom Red Hat Linux ISOs, significantly reducing cycle time for systems setup.

→ Built Grafana/InfluxDB performance analysis stacks and ran PoCs of custom Puppet Server infrastructures leveraging Hiera configuration patterns.

OpenStackMAASPuppetGrafanaRed Hat Enterprise LinuxNetworking

Linux SysAdmin & Systems Engineer

Systems Administrator / Engineer

2007 — 2016 · Early Foundation

Acquired a deep foundation in classic system administration, storage, database management, and network hardware configuration prior to the widespread adoption of modern cloud standards.

→ IIC (2012 — 2016): Senior Linux SysAdmin for Ubuntu and CentOS servers. Managed P2V migrations to VMware ESXi and oVirt (KVM). Administered RAID arrays, email (Dovecot/LDAP), databases (MySQL/PostgreSQL), Apache/Tomcat servers, Nagios monitoring, and Bacula backups. Supervised the Systems department for seven months.

→ ZeppelinTV & POS Technician (2007 — 2011): Managed Windows Server environments, Active Directory networks, Microsoft Exchange, and virtualization setups via Citrix XenServer. Configured networking infrastructure across remote setups and resolved user workstation problems.

Linux (Ubuntu/CentOS)VMwareoVirt (KVM)Active DirectoryApache/TomcatDatabasesNetworking

// 03

How I engage

B2B contracts only. Remote, async-first, and scoped around clear outcomes.

// Format

Project-based or retainer

Fixed-scope work or monthly support. Clear goals, realistic timelines, and written decisions.

// timezone

Europe-aligned

Based in Spain, working across UTC 0 to +4. Remote by default, with live meetings when useful.

// Billing

EU B2B VAT Registered

Spanish autonomous contractor with EU VAT registration. Standard invoicing for EU and international companies.

// First Step

30-minute diagnostic

Short intro call to understand scope, constraints, and fit. If project makes sense, I send next steps and proposal.

// 04

Credentials

Certifications related to tools and platforms I work with regularly.

NVIDIA NCA-AIIO AI Infrastructure and Operations

2026

Google Cloud Certified Engineer (Renewed)

2025

AWS Solutions Architect Associate

2023

FinOps Certified Practitioner (FOCP)

2023

AWS Security Specialty

2022

HashiCorp Terraform Certified Associate

2020

Linux LPIC-3 (Virtualization & HA)

2018

OpenStack Certified Administrator (COA)

2017

// 05

On the channel

YouTube channel is live at @mrexojo. First videos are still in preparation. Focus will be practical, clear, and useful for decision makers as well as technical teams.

// provisional

First videos coming soon

Channel will share practical ideas, lessons from real projects, and short explanations around cloud, automation, cost, security, and AI work. Message aims to be useful for clients, leads, and technical teams.

Cloud Automation Security Cost AI Business Context

// 06

Need help with
cloud, automation,
or AI ops?

I work with teams that need help reviewing infrastructure, improving CI/CD, controlling costs, or setting up AI and agent workflows with basic operational discipline.

Book a call

30 min intro call

linkedin.com/in/mrexojo