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I’m Mario Romero Sr., a results-driven DevOps and Site Reliability Engineer who loves turning complex challenges into scalable, reliable cloud platforms. I focus on leveraging emerging technologies to build cloud-agnostic solutions that are stable, maintainable, and cost-effective. I enjoy collaborating across teams to design automation that speeds delivery while reducing risk. In my roles, I lead automation initiatives from concept to production, mentor junior engineers, and thrive in fast-paced environments with minimal supervision. I’m comfortable navigating multi-disciplinary programs, balancing business goals with solid technical foundations, and continuously learning to keep platforms robust and future-ready.…I’m Mario Romero Sr., a results-driven DevOps and Site Reliability Engineer who loves turning complex challenges into scalable, reliable cloud platforms. I focus on leveraging emerging technologies to build cloud-agnostic solutions that are stable, maintainable, and cost-effective. I enjoy collaborating across teams to design automation that speeds delivery while reducing risk. In my roles, I lead automation initiatives from concept to production, mentor junior engineers, and thrive in fast-paced environments with minimal supervision. I’m comfortable navigating multi-disciplinary programs, balancing business goals with solid technical foundations, and continuously learning to keep platforms robust and future-ready.

Mario Romero Sr.

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I’m Mario Romero Sr., a results-driven DevOps and Site Reliability Engineer who loves turning complex challenges into scalable, reliable cloud platforms. I focus on leveraging emerging technologies to build cloud-agnostic solutions that are stable, maintainable, and cost-effective. I enjoy collaborating across teams to design automation that speeds delivery while reducing risk. In my roles, I lead automation initiatives from concept to production, mentor junior engineers, and thrive in fast-paced environments with minimal supervision. I’m comfortable navigating multi-disciplinary programs, balancing business goals with solid technical foundations, and continuously learning to keep platforms robust and future-ready.…I’m Mario Romero Sr., a results-driven DevOps and Site Reliability Engineer who loves turning complex challenges into scalable, reliable cloud platforms. I focus on leveraging emerging technologies to build cloud-agnostic solutions that are stable, maintainable, and cost-effective. I enjoy collaborating across teams to design automation that speeds delivery while reducing risk. In my roles, I lead automation initiatives from concept to production, mentor junior engineers, and thrive in fast-paced environments with minimal supervision. I’m comfortable navigating multi-disciplinary programs, balancing business goals with solid technical foundations, and continuously learning to keep platforms robust and future-ready.

Available to hire

I’m Mario Romero Sr., a results-driven DevOps and Site Reliability Engineer who loves turning complex challenges into scalable, reliable cloud platforms. I focus on leveraging emerging technologies to build cloud-agnostic solutions that are stable, maintainable, and cost-effective. I enjoy collaborating across teams to design automation that speeds delivery while reducing risk.

In my roles, I lead automation initiatives from concept to production, mentor junior engineers, and thrive in fast-paced environments with minimal supervision. I’m comfortable navigating multi-disciplinary programs, balancing business goals with solid technical foundations, and continuously learning to keep platforms robust and future-ready.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Site Reliability Engineer / DevOps Engineer at Rootheory, LLC

October 1, 2022 - November 1, 2025

Led site reliability and automation work for franchise commercial build-outs, including pre/post-build guidelines, network and data-center readiness, central IT hub deployment, and coordination with contractors. Authored pre-build and fielding playbooks, reviewed franchise disclosure docs, and defined scalable, secure infrastructure for multi-site deployments.

Site Reliability Developer/Engineer (SRE) at Rootheory, LLC

October 1, 2022 - November 1, 2025

Subcontractor Site Reliability Engineer (SRE) responsible for franchise build-out. Worked with contractors and design firms to design, provision, and validate infrastructure, including central data/network topology, security controls, and vendor software integrations. Led pre-build guidelines, center openings, and resource planning for scalable, multi-tenant deployments. Built repeatable, secure infrastructure with an emphasis on reliability and maintainability across evolving franchise environments.

Senior DevOps / Site Reliability Engineer at Mad Wire Media, LLC

November 1, 2021 - September 30, 2022

Senior DevOps / Site Reliability Engineer on the Platform One DevOps Engineering Team. Built and managed cloud-based, multi-tenant infrastructure and services, automated provisioning, and continuous delivery pipelines. Led environment provisioning, platform services enablement, and ongoing performance and reliability improvements for the company’s SaaS offerings.

DevOps Engineer / Platform One – Platform Engineering at Lockheed Martin / Space IT

July 1, 2021 - October 1, 2021

Contributed to DoD Platform One initiatives for a reusable, cloud-native PaaS. Implemented IaC and automation to accelerate Platform One adoption, including cross-provider deployments and service mesh considerations. Worked on OpenShift/Kubernetes–based arrangements and multi-provider tooling to streamline DoD workloads.

Sr DevOps Engineer at Lockheed Martin

July 1, 2021 - October 31, 2021

Platform One DevOps Engineering Team member on Space initiatives, supporting cloud-native deployments, IaC, and service mesh. Defined and implemented CI/CD pipelines across multiple providers, and contributed to DoD-grade security and networking requirements for scalable, reliable systems (Remote contractor via TRACE3).

Sr. DevOps / SRE – Linux Engineering Team at Yale University (via Apex Systems)

January 1, 2021 - April 1, 2021

Re-architected SSL certificate management, built automation and CI pipelines, and coordinated security-conscious modernization of SSL workflows. Assisted in deploying and operating Linux-based services with focus on reliability and security.

SSL Certificate Management Architect at Yale University

January 1, 2021 - April 1, 2021

Remote SSL certificate management re-architecture project. Designed automation for certificate lifecycle, integrated with GlobalSign APIs, created API wrappers, and implemented Jenkins-based workflows for certificate provisioning and renewal.

Platform Transformation – Platform One / Best Buy at Best Buy

August 1, 2020 - October 1, 2020

Participated in platform transformation initiatives to enable self-service UI and supplier layers. Implemented cloud-native patterns, IaC, and scalable deployment practices to support enterprise e-commerce and supplier ecosystems.

Platform Transformation DevOps Engineer at Best Buy Corporate, Inc.

August 1, 2020 - October 1, 2020

Contributed to Best Buy's Platform Transformation initiative. Created and reviewed pre-build workflows, designed cloud-native patterns, and facilitated multi-vendor integration. Built PaaS concepts and IaC-driven deployment processes to reduce lead times and improve reliability.

Infrastructure Engineer – Linux Systems Administrator at Black Knight Financial Services

August 1, 2017 - September 1, 2018

Managed build and release processes, containerization strategies (Docker/Kubernetes), automation of provisioning and deployment, and ongoing Linux infrastructure reliability for mortgage service platforms.

Senior Linux Systems Administrator at Black Knight Financial Services

August 1, 2017 - September 1, 2018

Led Linux-based infrastructure for mortgage servicing platforms (MSP SaaS). Managed cloud and on-prem environments, deployed and promoted code, provided incident support, and contributed to platform stability and performance across multiple data centers and environments.

Senior Linux Systems Administrator at Carnival Corporation & PLC

March 1, 2014 - March 1, 2017

Enterprise Linux Systems Administration focused on AWS/Azure/OpenStack-based infrastructure, containerization (Docker/Kubernetes), automation, monitoring, and cloud-native design in the global cruise operations environment.

Senior IT Systems Administrator at Citizens Property Insurance Corp

October 1, 2007 - March 1, 2014

Infrastructure-focused IT Systems Administrator supporting AWS, on-premises environments, server provisioning, backups, monitoring, and performance improvements for insurance processing and customer services.