John Jenkinson
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John Jenkinson Email & Phone Number

Information Technology Operations Specialist at Hilltop Holdings at Hilltop Holdings
Location: Dallas, Texas, United States 7 work roles
1 work email found @hilltop-holdings.com 3 phones found area 817 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 3 phones

Work email j****@hilltop-holdings.com
Direct phone (817) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Information Technology Operations Specialist at Hilltop Holdings
Location
Dallas, Texas, United States
Company size

Who is John Jenkinson? Overview

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Quick answer

John Jenkinson is listed as Information Technology Operations Specialist at Hilltop Holdings at Hilltop Holdings, a with 289 employees, based in Dallas, Texas, United States. AeroLeads shows a work email signal at hilltop-holdings.com, phone signal with area code 817, and a matched LinkedIn profile for John Jenkinson.

John Jenkinson previously worked as Information Technology Operations Specialist at Hilltop Holdings and Senior Information Technology Security Analyst at Ntt Data Services.

Company email context

Email format at Hilltop Holdings

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{first_initial}{last}@hilltop-holdings.com
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AeroLeads found 1 current-domain work email signal for John Jenkinson. Compare company email patterns before reaching out.

Profile bio

About John Jenkinson

John Jenkinson is a Information Technology Operations Specialist at Hilltop Holdings at Hilltop Holdings. He possess expertise in active directory, itil, vendor management, disaster recovery, security and 18 more skills. Colleagues describe him as "John's experience and knowledge of his services was a tremendous aid in helping us with a critical situation. Thanks John, and job well done!" and "John was always a pleasure to work with and ensuring customer satisfaction was one of his top priorities. He stayed focused on completing the tasks assigned and providing excellent technical expertis along with superior administration skills for user provisioning. He would be a valuable asset to any company."

Listed skills include Active Directory, Itil, Vendor Management, Disaster Recovery, and 19 others.

Current workplace

John Jenkinson's current company

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Hilltop Holdings
Hilltop Holdings
Information Technology Operations Specialist at Hilltop Holdings
dallas, texas, united states
Employees
289
AeroLeads page
7 roles · 28 years

John Jenkinson work experience

A career timeline built from the work history available for this profile.

Information Technology Operations Specialist

Current

• Ensured company security standards and policies are enforced• Processed group trouble tickets/work orders per the service-level agreement• Add, change, and delete IDs, email accounts, and group policy using Active Directory• Add, change, and delete IDs on various company created websites• Resolve IT support requests• Documented and trained staff on new policies and procedures• Maintained work queues and ensured SLAs were followed• ITILV2 Certified

Feb 2021 - Present

Senior Information Technology Security Analyst

Dallas/Fort Worth Area

• Responsible for provisioning/maintaining user access for all levels of client security within all inpatient and outpatient facilities supported by Tenet Healthcare• Add, change, and delete IDs on Cerner Millennium application• Add, change, and delete IDs on Athena Healthcare application• Add, change, and delete IDs on all Tenet Health care ambulatory applications• Ensured company security standards and policies were enforced• Process group trouble tickets/work orders per the service-level agreement• Reset passwords as necessary

May 2019 - Jan 2021

Access Management Support Specialist Ii

• Served as the company’s Change Management Coordinator• Managed the company’s change control process, including the verification that Requests for Change (RFCs) meet the defined requirements and standards• Created automated workflows to streamline RFCs• Facilitated Change Advisory Board (CAB) meetings• Updated IT management as needed regarding queue status and change metrics• Communicated change control processes and requirements via documentation maintenance, one-on-one coaching, and training sessions• Created the access management team policies and procedures• Ensured company security standards and policies are enforced• Processed group trouble tickets/work orders per the service-level agreement• Add, change, and delete IDs, email accounts, and group policy using Active Directory• Add, change, and delete IDs on various company created websites• Add, change, and delete IDs in ChangeGear • Add and delete RSA Security Tokens• Resolve IT support requests• Documented and trained staff on new policies and procedures• Maintained work queues and ensured SLAs were followed• ITILV2 Certified

Jul 2012 - Apr 2019

Senior Access Management Analyst

• Ensured company security standards and policies were enforced• Worked with internal/external auditors to provide evidence that procedures were followed to comply with SOX and SAS70 audits• Processed group trouble tickets/work orders within the service level agreement• Added, renewed, and deleted PKI digital certificates using Entrust Security Manager• Created new OUs in Entrust PKI digital certificate for new customers• Added, changed, and deleted IDs, email accounts, and group policy using Quest for Active Directory• Added, changed, and deleted IDs using ACF2 on the mainframe• Added, changed, and deleted IDs using Operations Navigator and Softmenu on the AS/400• Added and inactivated LDAP UNIX accounts using the Putty terminal emulator• Reset passwords as necessary• Added and inactivated accounts and responsibilities Oracle 11i accounts• Service Online administrator• Served as the primary trainer for the team• Trained teammates and served as subject matter expert on the following platforms: AD Provisioning, Acf2 Mainframe Provisioning, Unix Provisioning, Right Fax provisioning• Entrust PKI Digital Certificate creations, Service Now account creation and role permissions• ITILV2 Certified

Oct 2007 - Jul 2012

Senior Help Desk Analyst

Jul 2003 - Oct 2007

Senior Help Desk Agent

Arkansas.Net
1999 - 2001 ~2 yrs
Team & coworkers

Colleagues at Hilltop Holdings

Other employees you can reach at hilltop-holdings.com. View company contacts for 289 employees →

FAQ

Frequently asked questions about John Jenkinson

Quick answers generated from the profile data available on this page.

What company does John Jenkinson work for?

John Jenkinson works for Hilltop Holdings.

What is John Jenkinson's role at Hilltop Holdings?

John Jenkinson is listed as Information Technology Operations Specialist at Hilltop Holdings at Hilltop Holdings.

What is John Jenkinson's email address?

AeroLeads has found 1 work email signal at @hilltop-holdings.com for John Jenkinson at Hilltop Holdings.

What is John Jenkinson's phone number?

AeroLeads has found 3 phone signal(s) with area code 817 for John Jenkinson at Hilltop Holdings.

Where is John Jenkinson based?

John Jenkinson is based in Dallas, Texas, United States while working with Hilltop Holdings.

What companies has John Jenkinson worked for?

John Jenkinson has worked for Hilltop Holdings, Ntt Data Services, Elevate, Corelogic, and Nortel Networks.

Who are John Jenkinson's colleagues at Hilltop Holdings?

John Jenkinson's colleagues at Hilltop Holdings include Jacob Bermea, Alex Garcia, Lissette Martínez, Darren Parmenter, and Tatyana B..

How can I contact John Jenkinson?

You can use AeroLeads to view verified contact signals for John Jenkinson at Hilltop Holdings, including work email, phone, and LinkedIn data when available.

What skills is John Jenkinson known for?

John Jenkinson is listed with skills including Active Directory, Itil, Vendor Management, Disaster Recovery, Security, Microsoft Exchange, Software Documentation, and It Operations.

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