ALEXANDER KESSELLY
Phoenix,AZ
Summary
- Reliable System Administrator provides 24/7 oversight of valuable data and technological assets. Trusted to safeguard cybersecurity, employee privacy and business continuity. Serves as first line of defense against technical interruptions and unwanted intrusions.
- Certified ServiceNow System Administrator with strong knowledge of cybersecurity principles and best practices.
- Driven Systems Administrator with 4 years of experience in software implementation and maintenance. Proven history of managing complex infrastructures and data center operations. Expert in solutions-oriented business application problem-solving and dedicated to providing best-in-class service. Skilled at troubleshooting, communication and collaboration.
- Proficient in configuring Windows Server 2012R2, VMware workstation.
- Experience with network security, including VPNs, VLANs, and secure access controls.
- Excellent problem-solving and analytical skills with the ability to respond quickly to security incidents.
- Strong communication and teamwork abilities, enabling effective collaboration with cross-functional teams.
- Organized and dependable candidate successful at managing multiple priorities with a positive attitude. Willingness to take on added responsibilities to meet team goals.
Overview
8
8
years of professional experience
1
1
Certification
Work History
SYSTEM ADMINISTRATOR
Sustainable Youth Education Empowerment Program
2019.01 - Current
- Worked with users to determine areas of technology in need of improved usability.
- Diagnosed and resolved hardware and software issues.
- Collaborated with IT team to develop and implement comprehensive disaster recovery plans, ensuring minimal data loss during critical incidents.
- Managed onboarding and offboarding of employees.
- Developed strong communication and organizational skills through working on group projects.
- Worked well in a team setting, providing support and guidance.
- Resolved problems, improved operations and provided exceptional service.
- Demonstrated a high level of initiative and creativity while tackling difficult tasks.
- Excellent communication skills, both verbal and written.
- Acted as a team leader in group projects, delegating tasks and providing feedback.
- Provided professional services and support in a dynamic work environment.
- Assisted with day-to-day operations, working efficiently and productively with all team members.
- Self-motivated, with a strong sense of personal responsibility.
- Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
- Maximized system availability through development and testing of contingency plans.
DESKTOP SUPPORT SPECIALIST
O’Reilly Distribution Center
2018.01 - 2022.01
- Developed customized training materials for employees, increasing proficiency with various software applications.
- Increased user satisfaction with desktop systems by providing timely, effective support.
- Established best practices for desktop support specialists, fostering a culture of continuous improvement.
- Helped streamline repair processes and update procedures to support action consistency.
- Assisted in the migration of legacy systems to newer technology platforms, minimizing disruptions during the transition period.
- Installed and configured operating systems and applications.
- Patched software and installed new versions to eliminate security problems and protect data.
- Installed, configured and maintained computer systems and network connections.
- Configured hardware, devices, and software to set up work stations for employees.
- Configured and tested new software and hardware.
- Diagnosed and troubleshot hardware, software and network issues.
- Implemented preventative measures to minimize security risks in desktop environments.
- Created user accounts and assigned permissions.
- Tested new software and hardware prior to deployment.
- Purchased, setup and installed new computers.
- Removed malware, ransomware, and other threats from laptops and desktop systems.
- Passionate about learning and committed to continual improvement.
SECURITY ANALYST
Delta Media Services
2016.01 - 2018.01
- Developed customized security policies and protocols, ensuring compliance with industry standards and best practices.
- Participated in tabletop exercises simulating cyberattacks, leading to better preparedness for real-world incidents.
- Monitored computer virus reports to determine when to update virus protection systems.
- Reviewed existing security architecture for improvements that aligned with evolving business needs while minimizing risk exposure.
- Implemented multi-factor authentication measures, strengthening overall network defenses against unauthorized access attempts.
- Collaborated with IT teams to develop comprehensive cybersecurity strategies, reducing risks from external attacks.
- Developed plans to safeguard computer files against modification, destruction, or disclosure.
- Recommend improvements in security systems and procedures.
- Educated employees on cybersecurity awareness through training sessions, significantly reducing instances of human error-related breaches.
- Coordinated incident response efforts across multiple departments, fostering teamwork in resolving complex issues effectively.
- Assisted in the successful completion of security audits, resulting in a boost of client trust and confidence.
- Encrypted data and erected firewalls to protect confidential information.
- Performed risk analyses to identify appropriate security countermeasures.
- Completed vulnerability scans to identify at-risk systems and remediate issues.
- Monitored use of data files and regulated access to protect secure information.
- Collaborated with law enforcement agencies during cybercrime investigations when necessary, supporting the apprehension of malicious actors.
Education
Master of Science - Information Technology
COLORADO TECHNICAL UNIVERSITY
Colorado Springs, CO12.2018
Master of Science - Management Information Systems
COLORADO TECHNICAL UNIVERSITY
Colorado Springs, CO09.2017
Skills
- Access Control
- Technical Support
- System Testing
- Project Management
- Remote Conferencing Support
- Technical specifications
- Configuration Management
- Disaster Recovery
- Data Backup
- System Upgrades
- Self Motivation
- User Support
- Network Security
- Application Configuration
- Hardware and software installation
Certification
Certified ServiceNow System Administrator, 24408056
Coursework
- Computer Systems Security Foundations
- Network Security
- Security Management
- Information Systems Auditing
- Data and Applications Security
- Networking and Telecommunications
- Operating Systems Security
- Enterprise Systems Architecture
- Enterprise Data Management
Working Authorization Status
US CITIZEN
REFERNCES
- Dickson George Manager (Sustainable Youth Education Empowerment Program) Contact 209-898-4588
- Lucky Akpovwa IT Manage (O’Reilly D C 23) Contact 209- 361-7024
- Christopher Konyan Manager (Delta Media Services) Contact 209- 688-1385
Timeline
SYSTEM ADMINISTRATOR
Sustainable Youth Education Empowerment Program
2019.01 - Current
DESKTOP SUPPORT SPECIALIST
O’Reilly Distribution Center
2018.01 - 2022.01
SECURITY ANALYST
Delta Media Services
2016.01 - 2018.01
Master of Science - Information Technology
COLORADO TECHNICAL UNIVERSITY
Master of Science - Management Information Systems
COLORADO TECHNICAL UNIVERSITY
Certified ServiceNow System Administrator, 24408056
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