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Jon Holcomb Email & Phone Number

Consulting Manager, Cyber Security at KPMG
Location: Portland, Oregon Metropolitan Area, United States 8 work roles 2 schools
1 work email found @kpmg.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Current company
Role
Consulting Manager, Cyber Security
Location
Portland, Oregon Metropolitan Area, United States
Company size

Who is Jon Holcomb? Overview

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Jon Holcomb is listed as Consulting Manager, Cyber Security at KPMG, a company with 230525 employees, based in Portland, Oregon Metropolitan Area, United States. AeroLeads shows a work email signal at kpmg.com and a matched LinkedIn profile for Jon Holcomb.

Jon Holcomb previously worked as Principal Consultant, Cyber Security at Ahead and Senior Cyber Security Engineer at Castlelock. Jon Holcomb holds Bachelor Of Science - Bs, Cyber Security from Colorado Technical University.

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Email format at KPMG

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{first_initial}{last}@kpmg.com
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Profile bio

About Jon Holcomb

Experienced and innovative information security professional with over 20 years of proven expertise providing leadership to support the development, delivery, and administration of products, platforms, and infrastructures. Adept at combining business and technology acumen to build high-performing teams, resulting in achieving and exceeding operating goals. A track record of success in optimizing network and system performance, overseeing security, risk management, and change control initiatives. Skilled in analyzing and diagnosing complex problems and delivering effective solutions that align with business objectives. Recognized as a respected leader and solution provider with exceptional ability to cultivate relationships with internal and external stakeholders, influence at all levels, and effectively communicate with diverse audiences.

Listed skills include Active Directory, Troubleshooting, Windows 7, Microsoft Exchange, and 36 others.

Current workplace

Jon Holcomb's current company

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KPMG
Kpmg
Consulting Manager, Cyber Security
Portland, OR, US
Website
Employees
230525
AeroLeads page
8 roles

Jon Holcomb work experience

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

Consulting Manager, Cyber Security

Portland, OR, US

Principal Consultant, Cyber Security

Current

Chicago, Illinois, US

  • Lead cross-functional teams to exceed client expectations in security and compliance engagements, ensuring on-time and successful project delivery.
  • Drive business development through client discovery meetings, scoping engagements, and crafting proposal packages to secure new opportunities.
  • Contribute to practice development and thought leadership by maintaining expertise in security domains, enhancing service offerings, and mentoring team members.
  • Engage in client-facing roles, leading discovery workshops and presenting deliverables to executive management to solve complex security challenges.
  • Leverage technical knowledge in security solutions and contribute to sales and proposal presentations to support the continuous improvement of service offerings.
Apr 2024 - Present

Consulting Manager, Cyber Security

Toronto, ON, CA

  • Spearheaded Agile teams composed of Cyber Security, Change Management, Audit, and Subject Matter Professionals to deliver high-quality and practical thought products and services.
  • Conducted financial and risk forecasting analysis for executive management covering over 20 portfolios comprising 40+ cyber security engagements.
  • Collaborated with senior management of clients to evaluate, design, and execute new risk and control frameworks, sustainable solutions, operating processes, and people models to address evolving risks while deeply.
  • Guided multiple assessments, including capability maturity and design/execution gaps, of clients' IT processes, risks, controls, and compliance against leading industry frameworks/standards such as NIST, NERC CIP, TSA.
  • Directed the implementation of tailored strategic and tactical security solutions to meet specific business objectives and multi-layered regulatory requirements.
  • Communicated business risks, technical challenges, potential issues, and recommendations to engage stakeholders.
Aug 2021 - Mar 2024

Senior Cyber Security Engineer

Castlelock
  • Collaborated with clients to optimize their information security planning, implementation, management, and monitoring.
  • Analyzed and provided expert recommendations on information security practices, procedures, documentation, and systems.
  • Served as the subject matter expert (SME) to partner with key stakeholders in the implementation of security frameworks, including NIST 800 series, while driving efforts to achieve Cybersecurity Maturity Model.
  • Designed customized solutions to mitigate risk and achieve compliance requirements in environments that were unable to sustain traditional methods.
Sep 2020 - Aug 2021

Information System Security Officer

Portland, OR, US

  • Identified and reported on compliance risk levels, non-compliance issues, and security vulnerabilities with exceptional attention to detail.
  • Recommended changes and expertly supervised remediation activities to guarantee the highest level of security.
  • Asserted up-to-date knowledge of security trends, attack techniques, mitigation methodologies, technologies, and emerging threats to stay ahead of potential risks.
  • Communicated identified security gaps and provided remediation recommendations to top-level executives, while skillfully resolving vulnerabilities and patch remediation with cross-functional asset owners.
Nov 2016 - Sep 2020

Network & Systems Security Specialist

Bossier City, LA, US

  • Demonstrated superior technical network and systems knowledge for a $500M property, overseeing system maintenance, security, and disaster recovery for 100 virtualized servers.
  • Performed thorough and effective penetration testing, identifying vulnerabilities and gaps in compliance with state and PCI regulations, and developing test protocols to remediate issues.
  • Implemented comprehensive security hardening measures, reducing organizational vulnerability and enhancing information system security.
  • Administered enterprise anti-virus solutions, group policy, and log collection activities, enabling efficient and effective network and systems security management.
Jun 2013 - Nov 2016

It Support Technician

US

  • Provided on-site IT support to resolve issues and provided comprehensive training on upgrades, repair, and maintenance for military personnel in a deployed environment during Operation Enduring Freedom.
  • Administered Active Directory (AD) by managing users, groups, and mailboxes.
  • Facilitated a seamless migration from Windows XP to 7 for 30K users on 3 security networks.
  • Ensured compliance with Department of Defense (DoD) regulations throughout the migration process.Performed vulnerability scans on images to ensure security compliance.Quickly addressed security non-compliance risk by.
Jun 2010 - Jun 2013

Systems And Security Manager, Non-Commissioned Officer (Nco)

Randolph AFB, TX, US

  • Held full accountability for leading a team of 12, 24-hour staff charged with delivering remote IT support for secure and unsecured networks, voice systems, computer software, hardware, and printers for 20K users.
  • Achieved 99.4% uptime by maintaining 45 cryptographic devices and circuits, enabling national emergency action messages.
  • Facilitated the development of junior airmen to optimize performance; handled disciplinary actions and award packages.
  • Delivered on-call field responses for network-related outages to maintain seamless operations and mitigate service disruptions.
Oct 2003 - Apr 2010
Team & coworkers

Colleagues at KPMG

Other employees you can reach at kpmg.com. View company contacts for 230525 employees →

2 education records

Jon Holcomb education

Bachelor Of Science - Bs, Cyber Security

Colorado Technical University

Diploma, High School Diploma

Penn Foster Group
FAQ

Frequently asked questions about Jon Holcomb

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

What company does Jon Holcomb work for?

Jon Holcomb works for KPMG.

What is Jon Holcomb's role at KPMG?

Jon Holcomb is listed as Consulting Manager, Cyber Security at KPMG.

What is Jon Holcomb's email address?

AeroLeads has found 1 work email signal at @kpmg.com for Jon Holcomb at KPMG.

Where is Jon Holcomb based?

Jon Holcomb is based in Portland, Oregon Metropolitan Area, United States while working with KPMG.

What companies has Jon Holcomb worked for?

Jon Holcomb has worked for Kpmg, Ahead, Castlelock, Bonneville Power Administration, and Margaritaville Resort Casino - Bossier City, La..

Who are Jon Holcomb's colleagues at KPMG?

Jon Holcomb's colleagues at KPMG include Ca Rishav Baid, Ann-Christine Strohm, Cheryl Tai, Porntip Aksorndit, and Lan Anh Thượng.

How can I contact Jon Holcomb?

You can use AeroLeads to view verified contact signals for Jon Holcomb at KPMG, including work email, phone, and LinkedIn data when available.

What schools did Jon Holcomb attend?

Jon Holcomb holds Bachelor Of Science - Bs, Cyber Security from Colorado Technical University.

What skills is Jon Holcomb known for?

Jon Holcomb is listed with skills including Active Directory, Troubleshooting, Windows 7, Microsoft Exchange, Windows Xp, Software Installation, Dns, and Security.

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