IT Administrator Resume
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Charles Bloomberg
PROFESSIONAL SUMMARY
Experienced IT Administrator with expertise in managing IT infrastructure, ensuring network security, and optimizing system performance for large enterprises.
PROFESSIONAL Experience
IT Administrator | Company A
January 2020 — Present, San Francisco, USA
• Managed a network infrastructure of over 500 servers and 2000 workstations, ensuring 99.9% uptime through routine maintenance and proactive monitoring using Nagios and SolarWinds.
• Led a team of 10 IT professionals in implementing cybersecurity protocols that reduced data breaches by 35%, utilizing threat detection tools such as Splunk and Nessus.
• Optimized system performance through the implementation of automated patch management processes, decreasing manual updates by 60% and reducing downtime from updates by 40%.
• Spearheaded the migration to a cloud-based infrastructure, successfully transitioning 100+ applications and services to AWS, leading to a cost reduction of 25% in IT operations.
• Collaborated with cross-functional teams to roll out a new helpdesk ticketing system, improving response time by 50% and increasing user satisfaction ratings by 20%.
• Led a team of 10 IT professionals in implementing cybersecurity protocols that reduced data breaches by 35%, utilizing threat detection tools such as Splunk and Nessus.
• Optimized system performance through the implementation of automated patch management processes, decreasing manual updates by 60% and reducing downtime from updates by 40%.
• Spearheaded the migration to a cloud-based infrastructure, successfully transitioning 100+ applications and services to AWS, leading to a cost reduction of 25% in IT operations.
• Collaborated with cross-functional teams to roll out a new helpdesk ticketing system, improving response time by 50% and increasing user satisfaction ratings by 20%.
IT System Administrator | Company B
June 2015 — December 2019, Redmond, USA
• Administered an enterprise-wide Active Directory infrastructure supporting 15,000 users, ensuring data integrity and security through regular audits and compliance checks.
• Developed and deployed automated scripts for system monitoring and maintenance, improving efficiency by 30% and reducing the occurrence of critical errors.
• Overhauled the disaster recovery plan which improved recovery times by 40% and ensured minimal data loss during unplanned outages.
• Implemented ITIL best practices to streamline incident management and change processes, reducing resolution times by 25% and maintaining a high level of service delivery.
• Developed and deployed automated scripts for system monitoring and maintenance, improving efficiency by 30% and reducing the occurrence of critical errors.
• Overhauled the disaster recovery plan which improved recovery times by 40% and ensured minimal data loss during unplanned outages.
• Implemented ITIL best practices to streamline incident management and change processes, reducing resolution times by 25% and maintaining a high level of service delivery.
Network Administrator | Company C
July 2013 — May 2015, Austin, USA
• Engineered a robust network topology that improved network speed by 20% and reduced latency issues for over 500 users.
• Implemented a comprehensive network security plan including firewalls, VPNs, and intrusion detection systems, decreasing security incidents by 50%.
• Tracked and resolved over 3,000 network-related issues using enterprise-grade network management tools such as Cisco Prime and Wireshark.
• Implemented a comprehensive network security plan including firewalls, VPNs, and intrusion detection systems, decreasing security incidents by 50%.
• Tracked and resolved over 3,000 network-related issues using enterprise-grade network management tools such as Cisco Prime and Wireshark.
IT Support Specialist | Company D
May 2011 — June 2013, Charlotte, USA
• Assisted in the deployment and management of VoIP systems, increasing communication efficiency across multiple departments.
• Maintained hardware and software inventory, ensuring all IT assets were up-to-date and fully supported.
• Processed user support tickets, achieving a 90% first-call resolution rate and reducing ticket backlog by 40%.
• Maintained hardware and software inventory, ensuring all IT assets were up-to-date and fully supported.
• Processed user support tickets, achieving a 90% first-call resolution rate and reducing ticket backlog by 40%.
Education
Bachelor of Science in Information Technology | University of California, Berkeley
May 2011
Expert-Level Skills
Network Administration, Cybersecurity, ITIL, Active Directory, Cloud Computing (AWS), System Optimization, Automation, Disaster Recovery, VoIP, Technical Training, Problem Solving, Team Leadership
