Nikolas Rivera

Experience

• 

  Miami-Dade County Public Schools

  Aug 2015 - May 2017

  Information Technology Intern

  • Perform duties under the IT Manager for the county.• Execute new installs, maintenance, and trainings throughout schools all around the county.• Provide support in-person, over the phone, and by remoting into user computers.• Track tickets through the HEAT ticket tracking software.• Deploy general policy updates through the network.• Safely power down infrastructure in preparation for hurricanes and other emergencies.

• 

  Dufry Group

  Apr 2018 - Apr 2020

  Division IT Coordinator

  • Deliver comprehensive IT support (T1-T3) across diverse environments, including troubleshooting VPN and RDP issues and ensuring secure remote access configurations.• Promote a culture of collaboration and proactiveness — enabling the team to stay on target — through daily meetings/touchpoints.• Manage, maintain, and administer all applications/systems as well as all on-site hardware.• Plan, coordinate, and perform business-critical installs/deployments on board various vessels.• Securely executed PowerShell/SSH scripts in collaboration with ERP teams to manage configurations and perform updates on remote clients and other critical infrastructure.• Maintained asset inventory and conducted location-based audits to ensure hardware security and prevent unauthorized access or loss of company assets. Show less

• 

  Ocean Bank

  Nov 2020 - now

  • Directly provision and oversee all JML access changes to 700+ users per the Bank’s security policies and IT procedures, ensuring that all changes are completed in a timely, secure, and compliant manner that meets all SLAs.• Conduct regular and ad-hoc access audits across user accounts, user groups, and Azure AD security groups to verify appropriateness, enforce the principle of least privilege, and identify potential security risks.• Administer access controls for multiple critical applications, serving as a key approver in the change management process to ensure changes align with security standards and access policies.• Manage relationships and liaise with key vendors and stakeholders for audit/user access review requests, implementations, and concerns to be addressed directly with the vendor and stakeholders.• Optimize and maintain the integrity of the Bank’s IAMS database, performing targeted audits to proactively mitigate security risks, identify potential vulnerabilities, and enforce Separation of Duties (SoD) controls.• Take ownership of – and revamp – the Bank's User Access Review portal, creating a more cohesive process that empowers all involved parties to contribute promptly.• Perform a complete RBAC review of all positions and user access profiles to streamline how positions are represented, enforce Separation of Duty (SoD) principles, and strengthen the Bank’s overall security/compliance posture.• Champion a security-first IAM posture conducive to an effective, collaborative effort that ensures all standards and audits have been met without fail for 4 consecutive years now. Show less • Promptly resolve all incoming service requests and calls via a strong technical acumen, meaningful communication, and a vast array of troubleshooting skills.• Perform gap analysis and implement process improvements, motivate colleagues, and reaffirm providing prompt solutions to pressing problems.• Revamp, and produce clear and concise documentation, training material, and procedures for company-wide distribution, many of which are still in place today.• Administer user accounts through Active Directory and ensure the prompt, secure reset of key system credentials.• Maintain meticulous documentation of ticket/issue resolution as well as ensure security compliance in all resolutions. Show less

  • Access Management Analyst

    Apr 2021 - now

  • Service Desk Specialist

    Nov 2020 - Apr 2021