About

Experienced Systems Administrator with 10 years of experience, now seeking to transition into a challenging Cybersecurity Analyst role. Possesses 2 years of hands-on cybersecurity experience with a proven ability to reduce cyber threats, enhance system security, and cut recovery time. Strong expertise in vulnerability assessments, incident response, and crossfunctional collaboration. A self-starter and fast learner, continually staying current on the latest cybersecurity trends and best practices.

Experience

Andrew Hernandez

Work experience
  • March, 2023 - September, 2023
  • Parttime
  • Pioneered the implementation of continuous monitoring and vulnerability assessments, achieving a 30% reduction in cybersecurity threat risks and strengthening the company's overall security posture.
  • Streamlined incident response processes, cutting system recovery times by 50% through the design and execution of comprehensive response plans that minimized downtime during security breaches.
  • Conducted in-depth security audits, identifying and remediating critical vulnerabilities, which resulted in a 20% enhancement in overall system security.
  • Collaborated cross-functionally to fortify cybersecurity measures, effectively reducing potential attack vectors and improving system resilience against evolving threats.

Andrew Hernandez

Education
  • March, 2023 - September, 2023
  • Fulltime
  • Completed the 24-Week Cybersecurity Bootcamp

Andrew Hernandez

Work experience
  • Sr. Systems Administrator at   DirecTV
  • November, 2016 - February, 2023
  • Fulltime
  • Led the development and implementation of an automated patch management system using CFEngine, reducing patch cycle time by 60% and achieving 100% compliance with industry standards.
  • Collaborated with cross-functional teams to establish robust patch policies, enhancing system security, stability, and streamlining deployment across a large-scale Linux server environment.
  • Managed and optimized Active Directory infrastructure, implementing tailored Group Policy updates to improve system stability, enhance access controls, and ensure seamless, secure user access.
  • Directed disaster recovery protocols for data center operations, ensuring service continuity during emergencies and safeguarding critical business functions.
  • Developed and enforced administrative policies and procedures, authored comprehensive system documentation, and conducted capacity planning to support hardware and software upgrades.

Andrew Hernandez

Work experience
  • Specialist-Network Support at   AT&T Inc.
  • Implemented infrastructure software to automate the deployment, management, and retirement of hardware and software assets, increasing production efficiency and streamlining operations.
  • Developed and deployed Ansible scripts for patching Linux servers (RedHat, Oracle, CentOS, Ubuntu), ensuring full compliance with ASPR standards and reducing security vulnerabilities across the network.
  • Proactively identified and addressed system vulnerabilities, leading to a measurable improvement in overall network uptime and reliability.
  • Integrated advanced patch management solutions for diverse OS environments, achieving 98% on-time compliance with ASPR standards and reducing manual intervention by 70%.
  • Supported critical VMware environment optimization projects, increasing virtual server uptime and improving overall service stability for high-demand applications.

Andrew Hernandez

Work experience
  • January, 2004 - January, 2007
  • Parttime
  • Managed and tracked inventory worth $15 million using automated supply chain systems, ensuring accurate and secure data management to support mission-critical operations.
  • Implemented security best practices, including access control measures, encryption protocols, and patch management, to safeguard sensitive logistics data.
  • Conducted regular audits and inspections of inventory and supply records, improving accountability and ensuring compliance with Air Force regulations.
  • Monitored and optimized network and system performance within supply operations, troubleshooting technical issues to minimize downtime.
  • Trained and supervised personnel in the secure use of supply management systems, enhancing overall operational security and efficiency.
  • Supported military deployments by coordinating the secure transportation of supplies, ensuring compliance with data protection policies.

Andrew Hernandez

Education

Andrew Hernandez

Work experience
  • Managed and maintained accurate records for $9 million worth of military equipment, supplies, and inventory using automated logistics and secure data management systems.
  • Operated and administered logistics automation systems, ensuring system integrity and availability while implementing security measures to protect sensitive data.
  • Conducted regular audits and inspections of inventory to ensure accountability and compliance with Army regulations.
  • Trained personnel on secure use of logistics software and best practices for data protection, enhancing overall operational security.
  • Supported the transition to modern logistics platforms by implementing patch management, encryption protocols, and access controls, reducing the risk of unauthorized access.
  • Played a key role in planning and executing logistics support for large-scale military operations while safeguarding operational data and maintaining system availability under high-demand conditions.
 

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