Hayden Harn Email and Phone Number
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With over 25 years of information technology experience and 14 years of management expertise, I am a seasoned cybersecurity leader passionate about protecting and enhancing the network security of Nexeo Plastics, a leading global plastics distributor and services provider. I hold several credentials in cybersecurity, such as Certified Information Systems Security Professional (CISSP) and Certified Ethical Hacker (CEH), as well as Microsoft certifications in server administration and configuration.As an IT Security Technology Manager, I lead a team of professionals spanning the globe, providing technical support, implementing security policies and procedures, and ensuring compliance with industry standards and regulations. I also leverage my skills in threat detection and response, network infrastructure, and active directory to identify and resolve security issues, prevent cyberattacks, and optimize the performance and reliability of IT systems. I am always eager to learn new technologies, collaborate with other experts, and contribute to the growth and success of Nexeo Plastics.
Undisclosed
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Senior Enterprise Cybersecurity ArchitectUndisclosed Dec 2023 - PresentWaltham Cross, England, Gb -
It Security Technology ManagerNexeo Plastics Dec 2019 - Nov 2023The Woodlands, Texas, Us -
Senior Cybersecurity ArchitectSysco Mar 2017 - Nov 2019Houston, Tx, Us -
It Security ArchitectTexas Children'S Hospital Jun 2016 - Mar 2017Houston, Tx, UsAt 629 beds and growing TCH is the largest children’s hospital in the US and is recognized one of the country’s best. As a member of the Information Systems Security department I work to fortify our network’s security as well as investigate and respond to threats both internal and external when necessary. Teamed up with Texas Children’s Hospital’s Health Plan to technically lead efforts for the successful remediation of Vital application issues that severely hampered the business’ ability to process claims Identified root cause of F5 DNS issue effecting the hospital’s electronic records management system and rapidly returned it to service Identify security issues with worker compliance application logins and architected solution Carry out internal, HR investigations Investigate and respond to network security threats including malware and internet based attacks Technically oversee the health and architecture of F5 load balancer and Symantec DLP environments -
It Manager Of Identity And Security OperationsWeatherford Feb 2013 - Apr 2016Dublin, IeOil and natural gas well services company with annual revenue is $15 billion and 60k employees worldwide. Here I joined as a Systems Administrator and worked to raise security visibility inside corporate IT eventually forming and managing Identity and Security Operations department. Lead the upgrade of all 70+ domain controllers to 2008 R2, raised the Function level and upgraded to replication topology to DFSr Designed segregation of duties and role definitions and lead efforts to lower amount of domain administrators and account operators in the Enterprise Migrated data centers supporting application groups with DNS and AD issues while apps in flight and re-architected all directory services a more resilient highly available model Developed Active Directory forest Disaster Recovery plan verified with simulation Administrated a 2 tier Public Key Infrastructure leveraging a multi homed Network Hardware Security Modules for securing the private keys Stood up CyberArk to manage admin passwords to fend off pass the hash attacks on endpoints and secure system administrative accounts Designed and integrated Demilitarized Zone management enclave extending Active Directory authentication services, Anti-Virus and Patch management to the servers there Founding member of Global IT Change Approval Board Responsible for managing team of 13 who’s responsibilities include: Public Key Infrastructure, AntiVirus Management, Administrative Password Vault, Global Active Directory, Single Sign On Federation Services for SAAS Applications, Azure Active Directory, Multi Factor Authentication, Worldwide Server Patch Compliance, Identity Management, DNS (Internal and External), Incident Response, User Provisioning and rights assignments, User rights certifications for SOX Compliance -
Contract Information Security AnalystXto Energy - Exxonmobil Sep 2012 - Feb 2013Midland, Texas, UsEnergy production company specializing in oil and natural gas. Annual revenue exceeds $486 billion. Here, I am part of the XTO Energy Security Advanced Services team delivering Microsoft-based Enterprise PKI cryptographic solutions.● Key member of team responsible for development and execution of stand-up lab and production UAG server cluster for a portal delivering a SSO solution for TimeKeeper Intranet application● In coordination with system and network operations, lead proof-of-concept for securing the migration of the HR department into AD Forest while maintaining secure data using PKI, EFS, Forefront Identity Management Certificate Management, and Symantec PGP Universal server technologies -
It Operations ManagerCtmi Feb 2008 - Sep 2012Dallas, Texas, UsSpecialty audit firm with Fortune 500 clientele. Here, I manage and oversee all IT infrastructure/services, including all servers, desktops, and network equipment for the headquarters and all branch offices.● Led line of business application development project team selection and architected infrastructure expansion to accommodate systems expansions● As a result of my extensive Microsoft certifications and MS-centered development project, our company has become a MS Silver ISV partner and benefits from many perks that greatly decrease our ongoing software licensing expenses● Developed disaster-recovery strategy including battery and disk-based backup systems, including seven-year, long-term tape retention policies ● Utilize Microsoft remote desktop services with SSL security to increase offsite user productivity● Expanded servers leveraging Microsoft Hyper V services, decreasing initial server hardware, licensing, battery backup and cooling system capital costs and lowering ongoing operating expenses of electricity while increasing service uptime by leverage highly available clustering● Standardized desktops by rolling out Windows 7 Enterprise to all users using Windows Deployment Toolkit.● Increased users’ email capacity by migrating from Microsoft Exchange version 2003 to version 2010 ● Relocated headquarters and opened branch office; constructing a Wide Area Network link between all sites, extending Windows environment and telecommunication services between sites -
Texas Area Technology ManagerDestination Hotels And Resorts Oct 2006 - Jan 2008Englewood, Colorado, UsMaintained infrastructure associated with all Texas locations (3) of a luxury hospitality chain responsible for an annual $60 M in revenue with approximately 500+ rooms, 200+ users 120+ client PCs, 40+ servers and network. ● Responsible for management of telephone systems, closed circuit cable, and guest internet services enterprise networks ● Responsible for purchasing decisions for a $600,000+ budget inclusive of property management system migration, installation of two hotel Wi-Fi systems, and 30% PC refresh (resulted 20-percent under budget)● Developed and implemented disaster recovery plan for each of three sites ● Increased point of sales systems uptime and wait staff efficiency with two Micros point-of-sale system upgrades and redesigns● Standardized application deployment with enhanced group policy structure ● Increased management users’ productivity through the use of secured terminal servers allowing for remote access to applications -
It Director/AuditorBoozerscott & Co. Feb 2003 - Oct 2006Accounts Payable auditing firm where I provided desktop support to my clients and managed the data analytics for client engagements.● Originated and developed an in-house data analytics department with customized reports for field auditors resulting from information gathered from various clients’ accounting systems, eliminating the need for outsourcing technology services. System resulted in a cost saving and increased accuracy/control of the reporting process● Implemented a server as a central FTP sharing point to electronically submit data for analysis externally and internally, saving time (days), as well as the expense of sending the information in the mail. Internal users were then able to share information with one another across the organization● Minimized audit start-up time by serving as a customer liaison to coordinate system downloads with the respective clients’ IT departments
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Technology ConsultantIndependent Contractor Aug 2002 - Feb 2003Independent contractor working for a local school district and providing technical assistance to home and small business clients in the Houston market. ● Implemented an internet broadcast system enabling a large, Houston-area school district to offer cost-effective and efficient web-based training to teachers and administrative staff across the city.● Developed a surveying application for surveying schools using Palm devices for onsite input from users and syncing them back offline to a centralized database.● Provided a solution for email that enhanced a startup consulting company’s ability to communicate with customers and collaborate with one another from its users’ home offices● Designed backup strategy for customers, preventing data loss in case of a disaster.
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Systems AnalystWfi International 2000 - 2002I worked in the IT department over the summer breaks during 2000 and 2002
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Trade Show RepresentativeSony Apr 2001 - Apr 2001Tokyo, JpI was selected out of Baylor's Telecommunications department to represent Sony at the NAB conferences in Las Vegas, NV. -
Media Ministry InternTallowood Baptist Church Jun 2000 - Aug 2000Houston, UsI worked over the summer as an intern to the Media Minister. -
Desktop Support TechnicianAkzo Nobel Oct 1998 - Mar 1999Amsterdam, Noord Holland, NlI worked here as a desktop support technician part time while away at school. -
Desktop Support TechnicianUniversal Ensco Jun 1997 - Jan 1999UsI worked here over two summers and Christmas breaks in the IT department. -
Computer TechnicianCertified Data Systems Jun 1995 - Aug 1995I worked as a technician over the summer in Highschool.
Hayden Harn Skills
Hayden Harn Education Details
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Purdue GlobalCybersecurity Management -
Baylor UniversityComputer Science Minor -
Jersey Village High School -
Fireeye Training
Frequently Asked Questions about Hayden Harn
What company does Hayden Harn work for?
Hayden Harn works for Undisclosed
What is Hayden Harn's role at the current company?
Hayden Harn's current role is Enterprise Information Technology Security Architect @ Undisclosed | Cybersecurity Management.
What is Hayden Harn's email address?
Hayden Harn's email address is ha****@****hoo.com
What is Hayden Harn's direct phone number?
Hayden Harn's direct phone number is +181493*****
What schools did Hayden Harn attend?
Hayden Harn attended Purdue Global, Baylor University, Jersey Village High School, Fireeye Training.
What skills is Hayden Harn known for?
Hayden Harn has skills like Active Directory, Disaster Recovery, Windows Server, Servers, Networking, Security, Technical Support, Microsoft Exchange, Data Center, Customer Service, It Operations, Windows 7.
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