Dennis Hernando
Belleville,NJ
Summary
Accomplished Systems Administration Lead with a proven track record at Kyndryl, adept in Linux administration and problem-solving abilities. Spearheaded ISO 27001 certification efforts, significantly enhancing security protocols. Excelled in training and mentoring, ensuring cross-functional team collaboration for improved system performance. Demonstrated exceptional skill in incident management and disaster recovery, contributing to long-term solutions and system stability.
Overview
29
29
years of professional experience
Work History
Systems Administration Lead
Kyndryl
09.2021 - Current
- Performed root cause analysis of recurring issues or incidents in order to identify underlying problems leading to more effective long-term solutions.
- Spearheaded efforts towards achieving industry-standard certifications like ISO 27001 or SOC 2 Type II audits for improved security posture within the organization.
- Coordinated with other IT teams like network administrators or application support specialists to resolve cross-functional issues impacting system performance or availability.
- Collaborated with software development teams to establish and maintain source code repositories, enabling efficient version control and release management processes.
Production Support Worker
IBM
06.1999 - 08.2021
- Maintained a clean and organized workspace, promoting a safe working environment for all team members.
- Continuously sought opportunities for professional growth by attending workshops, seminars, and other relevant training programs related to the industry.
- Reduced equipment downtime by conducting regular maintenance checks and timely repairs.
- Utilized various types of machinery safely while demonstrating proficiency in their operation.
System Tester
Paragon Computer Professionals
09.1996 - 03.1997
- Reduced system downtime by conducting thorough regression and integration tests for seamless software updates.
- Ensured compliance with regulatory requirements through diligent monitoring and reporting of testing activities, safeguarding system integrity in highly regulated industries.
- Verified proper functionality of system integrations through detailed end-to-end testing scenarios, confirming seamless data flow between components.
- Facilitated knowledge transfer among team members through regular training sessions on emerging testing methodologies and tools.
- Evaluated function, performance and design compliance of every product against design standards and customer needs.
- Built automated test scripts to handle repetitive software testing work.
- Documented testing procedures for developers and future testing use.
- Teamed on planned tests and time-sensitive ad hoc requests.
- Stress tested security fixes and patches.
- Supported test review, defect control and configuration management within delivery pipeline.
- Carried out tests to identify, report and repair bugs and glitches.
- Collaborated with cross-functional teams on requirement analysis, leading to more effective test case creation and execution.
COBOL Programmer
Chubb Programmer Resources
03.1996 - 09.1996
- Assisted management with hardware, software and related systems.
- Provided exceptional customer support by addressing user inquiries, resolving system issues, and implementing necessary updates to ensure continuous operation of critical business applications.
- Enhanced overall system stability with thorough analysis, design, coding, testing, implementation, and maintenance of new or modified mainframe applications using COBOL programming languages.
- Interpreted or discussed terminology or concepts not familiar to many people.
- Worked with analysts to prepare test plans and assess test data.
- Collaborated with other developers to refine software design and implementation.
- Developed in-house applications designed for company needs.
- Reduced software bugs by rigorously testing and debugging COBOL programs during the development process.
- Contributed to successful project completion by consistently meeting deadlines while maintaining high-quality coding standards in a fast-paced environment.
Education
Diploma - Computer Programming
The Chubb Institute
Parsippany, NJ03-1996
Bachelor of Science - Electrical Engineering
Cebu Institute of Technology
Cebu City, Philippines03-1987
Skills
- Training and mentoring
- Software Installation
- Security Protocols
- Incident Management
- Scripting Languages
- Disaster Recovery
- System monitoring
- System Upgrades
- Program installations
- System updates
- Linux administration
- Problem-solving abilities
Timeline
Systems Administration Lead
Kyndryl
09.2021 - Current
Production Support Worker
IBM
06.1999 - 08.2021
System Tester
Paragon Computer Professionals
09.1996 - 03.1997
COBOL Programmer
Chubb Programmer Resources
03.1996 - 09.1996
Diploma - Computer Programming
The Chubb Institute
Bachelor of Science - Electrical Engineering
Cebu Institute of Technology
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