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Juan Nieto

@juannieto

I build secure, governed multi-cloud platforms and automate migrations, identity, and infrastructure delivery.

United Kingdom
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What I'm looking for

I'm looking to solve complex cloud infrastructure challenges through multi-cloud platform engineering, automation, governance, migrations, identity management, and secure delivery practices.

At Valtech, I lead multi-cloud governance, tenant-to-tenant migrations, identity automation, platform modernization, and cloud security for enterprise customers across Azure, AWS, and GCP.

I build repeatable Infrastructure as Code solutions with Terraform, automate identity lifecycle processes through Adaxes, and improve cost visibility through FinOps models and cloud tagging strategies. My work spans Microsoft Entra ID, RBAC, Conditional Access, Privileged Identity Management, policy enforcement, networking, and secure platform services.

Previously, I led Azure integration and migration work at Visa, delivered secure Azure architectures at Quisitive, and enabled DevOps pipelines for IBM i environments at ARCAD Software.

I’ve grown from IT support through infrastructure engineering into cloud and DevOps work, bringing an operational mindset to scalable, resilient, and highly available platforms. I enjoy solving complex infrastructure challenges and helping engineering teams deliver faster and more securely.

Experience

Work history, roles, and key accomplishments

Valtech logoVA
Current

DevOps Specialist

Sep 2023 - Present (3 years)

- Governed enterprise multi-cloud environments, including Azure Management Groups, subscriptions, AWS accounts, GCP projects, identity, networking, policy enforcement, and billing governance.
- Designed and implemented cloud governance standards, ensuring security, compliance, operational consistency, and alignment with enterprise best practices.
- Led tenant-to-tenant migrations across Microsoft

ARCAD Software logoAS

DevOps Consultant

Sep 2022 - Mar 2023 (6 months)

DevOps enablement for IBM i (AS/400) environments.

- Designed and implemented DevOps pipelines using Jenkins, Git, and Ansible.
- Identified automation and CI/CD opportunities with cross-functional teams.
- Delivered training and knowledge-sharing to boost DevOps adoption.

Tech: Jenkins, Git, Ansible, CI/CD, IBM i (AS/400)

Visa logoVI

Lead System Engineer

Aug 2022 - Feb 2023 (6 months)

- Led a team of cloud engineers during the integration of an acquired organization into a global Azure enterprise environment.
- Defined and executed cloud integration strategies aligned with enterprise security, networking, governance, and operational standards.
- Led migrations from on-premises and Google Cloud Platform to Microsoft Azure.
- Integrated enterprise identity, networking, and shared

Quisitive logoQU

Azure Solutions Architect

Jan 2021 - Sep 2022 (1 year 8 months)

Designed and delivered enterprise Azure solutions for organizations across multiple industries, focusing on secure, scalable, and highly available cloud platforms.

- Designed cloud-native and hybrid Azure architectures with a focus on scalability, resiliency, security, and operational excellence.
- Led the rapid deployment of secure remote-work solutions during the COVID-19 pandemic, ensuring bus

Menlo Technologies, Inc. logoMI

Support Engineer

Mar 2018 - Dec 2020 (2 years 9 months)

Provided cloud infrastructure support and incident management for enterprise environments, progressing from L1 to L2 support while becoming a technical escalation point for complex infrastructure issues.
Progressed from Level 1 to Level 2 Support, becoming the primary escalation point for complex cloud and infrastructure incidents.

- Managed incident response and problem resolution while ensuring

Talento Solido TI logoTT

IT Solutions Manager

Oct 2017 - Dec 2017 (2 months)

Managed enterprise Linux and Solaris infrastructure for a public-sector customer, focusing on platform reliability, security, and business continuity.

- Managed Linux and Solaris platforms supporting Oracle and enterprise web applications.
- Designed backup, disaster recovery, and high availability solutions to improve platform resilience.
- Administered Oracle WebLogic, Oracle Forms, MySQL, and

INSITEL S.A.S logoIS

Infrastructure Manager

Jan 2016 - Dec 2016 (11 months)

- Directed enterprise infrastructure operations across Linux and Windows environments, ensuring availability, performance, and security of business-critical services.
- Led the migration of on-premises infrastructure to AWS, designing the target architecture and overseeing workload migration, database modernization, networking, and monitoring.
Administered and optimized enterprise platforms includ

Education

Degrees, certifications, and relevant coursework

UM

Universidad de Medellin

Engineer's Degree, Telecommunications Engineering

2007 - 2013

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