Freelancer profile translated to English.
Back to original languageAbout Cristina
I am a systems engineer with over 8 years of experience in digital identity, security, and systems administration in enterprise environments.
In my day-to-day, I work with tools like Okta, Microsoft Entra ID, and Microsoft Purview, so what I offer is not theory, but real experience applied in organizations with demanding security requirements.
I can help you with the implementation and administration of Okta, configuration of Entra ID with conditional access and MFA, data loss prevention with Microsoft Purview, process automation with PowerShell and Jenkins, and advice on cloud migrations.
I work well with companies that do not have a large technical team but need things done right from the start. I am direct, I like to fully understand what the client needs before starting, and I deliver documented and clean work.
Available for part-time projects from the United Kingdom.
Spanish
Native or bilingual
English
Native or bilingual
Can work on-site
Granada (up to 40km), La Coruña (up to 10km)
Experience
- Alfa Financial SoftwareSystems EngineerAugust 2022 - Today (3 years and 10 months)Londres, United KingdomResponsible for implementing and managing identity, access, and data security solutions in the organization, working across multiple security domains.Key responsibilities and achievements:- Implementation and administration of Okta as the organization's primary identity provider, including MFA deployment and workflow automation with Okta Workflows.- Led the migration from Duo to Okta with no user disruption.- Configuration of Microsoft Entra ID (Azure AD), including Conditional Access policies, MFA enforcement, and configuration of B2B external collaboration and cross-tenant access controls.- Design and implementation of a Data Loss Prevention solution with Microsoft Purview, including sensitive data classification, endpoint DLP, and policy tuning.- Implementation and management of storage systems such as OneDrive, SharePoint.- Automation of IT processes with Jenkins and PowerShell.- Advice on cloud migration planning.
- Dimentions UKService Delivery EngineerDecember 2016 - June 2018 (1 year and 6 months)Reading, United Kingdom- Management and monitoring of all systems and infrastructure.- Writing and maintaining custom scripts to increase system efficiency and reduce manual intervention in tasks.- Identification and resolution of complex technical issues within the organization.- Mentoring new members of the Service Delivery team.
- Dimensions ukIT Helpdesk Support EngineerSeptember 2015 - December 2016 (1 year and 3 months)Reading, United Kingdom- Supported over 5000+ user accounts across 2000+ devices at over 600 sites.- 2000+ support calls a month- Developed customer service skills as well as communication, time management, ITIL, critical thinking, team working and problem solving skills- Worked with a variety of different software. (Exchange, Active Directory etc.)
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Education
- Core Solutions of Microsoft Sharepoint Server2013Core Solutions of Microsoft Sharepoint Server
- Diploma of Higher Education in Computing andCES S. Ramón y Cajal2012Diploma of Higher Education in Computing and