Summary
Overview
Work History
Education
Skills
Websites
Certification
Honors and awards
Interests
Timeline
Generic
Jozef Schneider

Jozef Schneider

Data Analyst
Košice

Summary

Results-driven data professional with keen eye for detail and passion for uncovering actionable insights from data. Proven track record of utilizing data analysis and visualization tools to drive business decisions and optimize processes. Team-oriented with strong focus on collaboration and adaptability, consistently delivering reliable results in dynamic environments.

Overview

15
15
years of professional experience
3
3
years of post-secondary education
19
19
Certifications

Work History

Data Analyst

AT&T Global Network Services
09.2012 - Current
  • Developing and maintaining automation scripts for advanced analysis, improved report processing speed by 300%
  • Produced monthly reports using advanced Excel spreadsheet functions
  • Analyzed data to identify root causes of problems and recommend corrective actions
  • Enhanced data accuracy by automating data cleansing processes, significantly reducing manual errors
  • Enhanced network efficiency by identifying trends and patterns in complex datasets
  • Improved decision-making processes with accurate data analysis and visualization techniques
  • Collaborated with cross-functional teams to ensure data integrity and accuracy, resulting in better-informed decisions

Information Technology Security Specialist

Východoslovenská Energetika A.s.
04.2012 - 09.2012
  • Performed regular vulnerability scans and penetration tests to identify weaknesses in the IT infrastructure, addressing identified issues swiftly
  • Performed regular audits of user access rights, ensuring only authorized personnel had access to sensitive information
  • Led efforts to achieve certification under industry-standard cybersecurity frameworks (ISO 27001)
  • Evaluated emerging security technologies and trends, incorporating relevant solutions into the organization's cybersecurity strategy
  • Providing regular reports on the security status, including incidents, vulnerabilities, and compliance
  • Recommend improvements in security systems and procedures
  • Collaborated with cross-functional teams to ensure seamless integration of security measures across all business units

Voice Analyst

AT&T Global Network Services
11.2010 - 03.2012
  • Analyzed user-generated trouble tickets to determine causes of problems and took appropriate action for resolution
  • Diagnosed and resolved complex integrated customer issues for implementation, add-on, maintenance and support of voice, data, VoIP, and CTI applications
  • Assessed client's needs to recommend appropriate hardware, software, and network components for optimal voice communications infrastructure
  • Reduced system downtime with proactive maintenance and troubleshooting of voice systems
  • Collaborated with cross-functional teams to design, implement, and support voice infrastructure upgrades

Network Engineer

AT&T Global Network Services
09.2010 - 11.2010
  • Configured, tested and maintained LAN/WAN components and connections.
  • Collaborated with on-site technicians to install and troubleshoot Cisco and Juniper devices
  • Collaborated on large-scale projects, implementing complex networking solutions for clients
  • Contributed to the achievement of departmental objectives by adhering to best practices in change management, ensuring smooth transitions during network updates or modifications

Network Specialist

T-Systems International
01.2010 - 08.2010
  • Experience with networking technologies, including Cisco, Juniper and Checkpoint firewalls
  • Implemented network changes based on client requests to meet specific requirements and ensure seamless integration
  • Improved network performance by troubleshooting and resolving hardware, software, and connectivity issues

Education

Bachelor of Science - Telecommunications Engineering

Technical University in Kosice
Košice, Slovakia
09.2006 - 06.2009

Skills

    CCNP Collaboration

    CCNA

    VBA scripting

    Power BI scripting

    MS Excel

    Excel functions

    Microsoft Access

    Microsoft Visio

    Data analysis

    UNIX system

    Report preparation

    Reporting tools

    Trend analysis

    Query tools

    Data visualization and presentations

    Analytical problem solving

Certification

[Cisco Certified Internetwork Expert Voice (CCIE) written exam], [Cisco] - [Jan 2013 - Nov 2016]

Honors and awards

Service Excellence Award, AT&T Technology Operations, 2017, Honoring employees who go above and beyond to deliver an extraordinary customer experience

Interests

Cybersecurity Research

Malware Analysis

Blockchain Development and Research

Cryptography Enthusiast

Community Engagement

Timeline

Data Analyst

AT&T Global Network Services
09.2012 - Current

Information Technology Security Specialist

Východoslovenská Energetika A.s.
04.2012 - 09.2012

Voice Analyst

AT&T Global Network Services
11.2010 - 03.2012

Network Engineer

AT&T Global Network Services
09.2010 - 11.2010

Network Specialist

T-Systems International
01.2010 - 08.2010

Bachelor of Science - Telecommunications Engineering

Technical University in Kosice
09.2006 - 06.2009

[Cisco Certified Internetwork Expert Voice (CCIE) written exam], [Cisco] - [Jan 2013 - Nov 2016]

[Cisco Certified Network Professional Voice (CCVP)], [Cisco] - [Jan 2012 - Oct 2018]

[Cisco Certified Network Associate Voice (CCNA Voice)], [Cisco] - [Jan 2011 - Oct 2018]

[Cisco Certified Network Associate Routing and Switching (CCNA)], [Cisco] - [Jan 2010 - Mar 2023]

[Cisco Certified Network Professional Collaboration (CCNP)], [Cisco] - [Feb 2020 - Feb 2023]

[Cisco Certified Design Associate (CCDA)], [Cisco] - [Nov 2014 - Feb 2023]

[Implementing Cisco Quality of Service], [Cisco] - [Nov 2013 - Feb 2016]

[JNCIA-IDP (Associate, Intrusion Detection & Prevention)], [Juniper Networks] - [Jan 2011 - Jan 2013]

[JNCIA-EX 342 (Associate, Enterprise Routing)], [Juniper Networks] - [Jan 2010 - Jan 2012]

[JNCIA-EX 400 (Associate, Enterprise Switching)], [Juniper Networks] - [Jan 2010 - Jan 2012]

[JNCIA-FWV (Juniper Networks Certified Internet Associate)], [Juniper Networks] - [Jan 2010 - Jan 2012]

[Juniper Networks Certified Internet Associate (JNCIA-SSL)], [Juniper Networks] - [Jan 2010 - Jan 2012]

[Excel Modeling Tips and Tricks], [LinkedIn] - [Jun 2024]

[Business Math], [LinkedIn] - [Jun 2023]

[Python Projects], [LinkedIn] - [Jun 2023]

[The 7 Secrets of Responsive Leadership (getAbstract Summary], [LinkedIn] - [Jun 2023]

[Marketing Tools: Growth Marketing], [LinkedIn] - [May 2023]

[Demonstrating Accountability as a Leader], [LinkedIn] - [May 2023]

[Developing Business Acumen], [LinkedIn] - [May 2022]

Jozef SchneiderData Analyst