John Sherman

John Sherman Email and Phone Number

Director - Cyber Technology Engineering @ Markel
John Sherman's Location
Fredericksburg, Virginia, United States, United States
John Sherman's Contact Details
About John Sherman

I am a dedicated Security Specialist with over 10 years of experience. I have a passion for solving complex problems and possess the ability to quickly learn and master new technologies.

John Sherman's Current Company Details
Markel

Markel

View
Director - Cyber Technology Engineering
John Sherman Work Experience Details
  • Markel
    Director Cyber Technology Engineering
    Markel Sep 2023 - Present
    Glen Allen, Virginia, Us
  • Markel
    Manager - Security Engineering
    Markel Oct 2020 - Sep 2023
    Glen Allen, Virginia, Us
    - Manage a global team of security engineers that support the security suite of tools for the enterprise which includes EDR, SIEM, DLP, PAM, Vulnerability management, Cloud security, Email security, Web Gateway, Identity Protection, Firewall security, and other technical needs for the security department.- Hire exceptional individuals, establish developmental plans, coach to the needs of the team, perform reviews, and support their projects and initiatives by removing blockers and helping them establish successful paths.- Establish and develop strong vendor relationships, and partnerships with key business and technical resources.- Develop and maintain program level roadmaps for strategic advancement of the security department and ensuring compliance with enterprise regulations.- Drive team growth and program maturity through operational improvements, automation, and targeted development opportunities.- Lead projects for security technology integrations while developing and enabling the team to independently support security projects.- Establish effective process and drive automation to reduce operational time, reduce organization risk, and increase productivity.- Establish and utilize metrics that ensure successful administration and operational response.- Provide architectural oversight, direction, and effective implementation for global security solutions.- Evaluate enterprise architecture, systems, networks, and data to determine effective security controls and solutions.- Interpret and give recommendations on controls to meet compliance and regulatory requirements for NY State/SOX/GDPR/NIST/etc.- Assist in development of security policies, standards, and procedures.- Serve as a high-level technical security resource on enterprise network, system, and application implementation projects.- Effectively communicate complex security problems and recommended solutions to an audience with varying levels of security and technical knowledge.
  • Markel
    Senior Security Engineer
    Markel Jul 2018 - Oct 2020
    Glen Allen, Virginia, Us
    - Provide architectural oversight, direction, and effective implementation for global security solutions.- Serve as a subject matter expert (SME) for a variety of security tools to include design, implementation, operation and maintenance of security tools and solutions.- Security SME for ongoing support of Azure and O365 solutions to include; Azure Sentinel, Azure Advanced Threat Protection, Azure Security Center, Cloud Application Security, Security & Compliance, and O365 security.- Evaluate enterprise architecture, systems, networks, and data to determine effective security controls and solutions.- Interpret and give recommendations on controls to meet compliance and regulatory requirements for NY State/PCI/GDPR/NIST/etc.- Assist in development of security policies, standards, and procedures.- Evaluate and recommend new and emerging security products and technologies.- Understand current and emerging security threats and design security architecture to mitigate threats where possible.- Serve as a high-level technical security resource on enterprise network, system, and application implementation projects.- Serve as a high-level technical security resource for other departments within the Security division.- Effectively communicate complex security problems and recommended solutions to an audience with varying levels of security and technical knowledge.- Develop process and documentation to support ongoing security systems operations, maintenance and problem resolution.
  • Markel
    Senior Information Security Analyst
    Markel Jul 2017 - Jul 2018
    Glen Allen, Virginia, Us
    - Security project lead for proof of concept and security technology implementations.- Security SME for enterprise next-gen firewalls to include; policy and rule reviews, policy and hardening recommendations, and URL filtering management.- Lead for patch rating and vulnerability management.- Security SME responsible for the management of the enterprise EDR solution including; client and policy management, and user training.- Security project lead for proof of concept and implementation of a web proxy with SSL inspection.- Effectively integrate and administer security tools such as Azure security solutions, EDR, UBA, vulnerability scanners, forensics and others.- Create documentation, process flows, policies, and standards to mature the Information Security program.- Create processes and playbooks utilized by the Security Operations Center (SOC) and participate in IR as needed.- Stay up to date on the latest threats and exploits, and effectively use intelligence to evaluate their effect on the business.- Respond to alerts, user tickets, emails, and calls in a timely and professional manner while working effectively as a team or independently with little supervision.- Participate in security assessments as required to identify gaps and vulnerabilities.- Problem solving and remediation of complex problems.
  • Browngreer Plc
    Senior Information Security Analyst
    Browngreer Plc May 2015 - Jul 2017
    Richmond, Virginia, Us
    - Manage the enterprise intrusion detection system to analyze traffic for network security incidents- Administer the company spam firewall and web filter appliances- Security project lead for proof of concept and implementation of a security information event management system(SIEM), denial of service(DoS) mitigation solution, mobile device management(MDM), and Azure cloud migration- Manage the enterprise SIEM including; create and modify rules, queries and correlations to alert for various high threat network events- Manage a cloud hosted DoS mitigation solution and web application firewall (WAF) - Create documentation, policies, and standards to mature the Information Security program- Create incident response(IR) documentation, create and present IR training, and participate in IR as needed- Respond to alerts, user tickets, emails, and calls in a timely and professional manner while working effectively as a team or independently with little supervision- Problem solving and remediation of complex problems
  • University Of Mary Washington
    It Security Analyst
    University Of Mary Washington Mar 2012 - May 2014
    Fredericksburg, Va, Us
    - Manage the University anti-virus solution installed on 2100 endpoints. Duties include creating policies & deployment packages, monitoring virus activity, and creating reports- Implemented a data loss prevention solution to prevent the loss of personally identifiable information. Manage scans for SharePoint, Exchange, file servers, endpoints, and public facing web server- Utilize an enterprise vulnerability scanner to provide monthly reports for presentation to administration that identify potential threats and vulnerabilities and make recommendations on patch and vulnerability management- Implemented a security information and event management server to correlate events from various servers and firewalls to proactively monitor the security and information technology infrastructure. Create and modify rules, queries and correlations to alert for various high threat network events- Installed and modified a Linux based audit and incident tracking system for the Information Security Department that is utilized for metrics for IT Security strategic planning- Implemented an intrusion detection system to analyze traffic for network security incidents- Increase user awareness by maintaining the IT Security website and Twitter account , as well as creating Security Awareness presentation used for new employees and annual security awareness training- Assist the ISO with risk assessments and audits on existing and proposed systems, as well as, documenting and providing recommendations- Develop policies, procedures, and standards for the enterprise environment

John Sherman Skills

Security Windows 7 Active Directory Technical Support Networking Troubleshooting Operating Systems Windows Server Linux Firewalls It Management Virtualization Microsoft Office Windows Os X Sharepoint Symantec Endpoint Protection Symantec Antivirus Vpn Network Security Vmware Antivirus Crowdstrike Falcon Problem Solving Ids Dlp Siem Qradar Palo Alto Networks Snort Vulnerability Scanning Nexpose Security Engineering Qualys Web Application Firewall Nist Security Architecture Design Palo Alto Exabeam Microsoft Azure Vulnerability Management Incident Response Software Installation System Administration Software Documentation Symantec Ghost Console Dell Kace Virtualbox Group Policy Configurations Remedy And Heat Ticketing System Inventory Management Imaging Documentation

John Sherman Education Details

  • Western Governors University
    Western Governors University
    Information Technology Security
  • Bloomsburg University Of Pennsylvania
    Bloomsburg University Of Pennsylvania
    Computer Science

Frequently Asked Questions about John Sherman

What company does John Sherman work for?

John Sherman works for Markel

What is John Sherman's role at the current company?

John Sherman's current role is Director - Cyber Technology Engineering.

What is John Sherman's email address?

John Sherman's email address is fi****@****ail.com

What is John Sherman's direct phone number?

John Sherman's direct phone number is +180491*****

What schools did John Sherman attend?

John Sherman attended Western Governors University, Bloomsburg University Of Pennsylvania.

What skills is John Sherman known for?

John Sherman has skills like Security, Windows 7, Active Directory, Technical Support, Networking, Troubleshooting, Operating Systems, Windows Server, Linux, Firewalls, It Management, Virtualization.

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.