Nathan Zielinski
IT Manager
Grant-Valkaria,FL
Summary
Veteran within the IT world with 9 years leading organizational technology strategy. Adept and knowledgeable at installing and maintaining hardware, software and networking updates. Trains and oversees dedicated tech team to provide maintenance, troubleshooting and IT support. Drafts organizational policy to define standards for technology oversight and use.
Overview
14
14
years of professional experience
4
4
years of post-secondary education
Work History
Senior Cyber Security Specialist
Data Flow Systems
01.2023 - Current
- Improved incident response times with development of comprehensive incident management plans and procedures.
- Served as subject matter expert and resource for both technical and non-technical staff on issues related to cybersecurity best practices, incident response and data protection requirements.
- Oversaw digital forensics investigations following security incidents, uncovering root causes and preventing future occurrences.
- Implemented multi-factor authentication protocols, reducing unauthorized access to sensitive information.
- Created policies and procedures for emerging security technologies and proposals.
- Performed network troubleshooting to isolate and diagnose common problems.
System Administrator
Data Flow Systems
06.2020 - 01.2023
- System Administrator for over 150 employees.
- Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times by 50%.
- Created backup system from Proxmox that backed up all data daily and created shadow copies to recover files at anytime.
- Developed and documented network policies, procedures and standards.
- Diagnosed and resolved complex technical issues through in-depth analysis, facilitating uninterrupted business operations.
- Upgraded internal network switches from 100mb to 40GB, which allowed backups to process 40 times faster. Also allowed employees to improve work speed.
- Collaborated with IT team to develop and implement comprehensive disaster recovery plans, ensuring minimal data loss during critical incidents
- Installed and configured network printers and other peripheral devices
Help Desk Technician
Data Flow Systems
12.2018 - 06.2020
- Provided remote support for150 users across multiple locations, demonstrating flexibility and adaptability in problem solving.
- Provided basic end-user troubleshooting and desktop support.
- Configured hardware, devices, and software to set up work stations for employees.
- Optimized helpdesk workflows by identifying areas for improvement and implementing necessary changes.
- Used ticketing systems to manage and process support actions and requests. Average of 2 minutes of response time from submission of ticket and contacting employee.
- Created user accounts and assigned permissions.
Sergeant
US Army
12.2013 - 06.2017
- Excellent communication skills, both verbal and written.
- Lead team of 12 soldiers in combat and non-combat environments.
- Managed time efficiently in order to complete all tasks within deadlines.
- Assigned all with day-to-day operations, working efficiently and productively with all team members.
- Proved successful working within tight deadlines and fast-paced environment.
- Maintained equipment with value of over $1 million dollars. Never lost any equipment.
Active Duty Soldier
US Army
04.2010 - 12.2013
- Secured and protected military property, assets, and personnel.
- Assisted superiors in devising strategic plans that resulted in streamlined communication channels between units during joint operation exercises.
- Improved overall team efficiency through regular maintenance and organization of equipment and resources.
- Provided professional reconnaissance and security support during varied operations.
- Performed as fire team member of 12 during situational training exercises and infantry dismounted battle drills.
Education
Bachelor of Arts - Security Management in Information Technology
American Military University
Charles Town, WV 01.2018 - 12.2021
Skills
Network Security Monitoring
Incident Response Management
Security Information and Event Management
Security policy development
Access Control Systems
Critical Thinking
Firewall Management
Disaster Recovery Planning
Network Administration
Server maintenance
System Upgrades
Ticket management
Hardware Repair
Data Backup and Recovery
Technical Documentation
Database Maintenance
Timeline
Senior Cyber Security Specialist
Data Flow Systems
01.2023 - Current
System Administrator
Data Flow Systems
06.2020 - 01.2023
Help Desk Technician
Data Flow Systems
12.2018 - 06.2020
Bachelor of Arts - Security Management in Information Technology
American Military University
01.2018 - 12.2021
Sergeant
US Army
12.2013 - 06.2017
Active Duty Soldier
US Army
04.2010 - 12.2013
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