Javier Cremades

Junior IT Engineer with hands-on experience supporting Windows, Linux and macOS environments in professional and lab-based infrastructures. Skilled in Active Directory administration, Microsoft environments, endpoint support, ticket management and troubleshooting.

Experience handling user onboarding/offboarding, account provisioning, permission management and technical incident resolution following SLA procedures. Comfortable working in fast-paced support environments and communicating with end users. Currently completing advanced cybersecurity training alongside CompTIA Security and Microsoft SC300 certifications.

IAM & SECURITY OPERATIONS SUPPORT (SOC L1) LABS / TRAINING (2025-11 – Present)

• Monitored systems and logs using Splunk, Elastic Stack and Wazuh.
• Performed incident triage and alert prioritisation based on severity.
• Assisted in identity and access management workflows.
• Worked with standardised incident response procedures and documentation.
• Collaborated in simulated enterprise support and security scenarios.

SYSTEMS ADMINISTRATOR at ASPETEVE (2025-05 – 2025-09)

• Managed Active Directory user accounts including creation, modification, deletion and password resets.
• Configured user groups and role-based permissions according to business requirements.
• Administered Group Policies (GPOs) and resolved authentication and access-related incidents.
• Performed onboarding and offboarding tasks including account provisioning and access revocation.
• Maintained Windows and Linux server environments.
• Supported firewall and VPS infrastructure maintenance.
• Resolved technical incidents related to connectivity, permissions and endpoint access.

TECHNICAL SUPPORT TECHNICIAN at TMOVIL (2023-05 – 2023-09)

• Provided technical support to end users in Windows environments.
• Managed incidents using a ticketing system while following internal procedures and SLA priorities.
• Performed Active Directory tasks including password resets and account unlocking.
• Assisted users with hardware, software and connectivity issues.
• Supported local network troubleshooting and remote access configuration.

CYBERSECURITY BOOTCAMP – UNIHACKERS (2025-11 – 2026-05)

HND IN NETWORK SYSTEMS ADMINISTRATION – LASALLE (2023-09 – 2025-09)

VET IN MICROCOMPUTER SYSTEMS AND NETWORKS – ILERNA (2021-09 – 2023-09)