Charles O'Brien
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Charles O'Brien Email & Phone Number

VP of Security & Infrastructure, CISO at Acumera (formerly Reliant) at Acumera, Inc
Location: Tallahassee, Florida, United States 10 work roles 3 schools
1 work email found @reliantsolutions.com 3 phones found area 850 and 917 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email c****@reliantsolutions.com
Direct phone (850) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
VP of Security & Infrastructure, CISO at Acumera (formerly Reliant)
Location
Tallahassee, Florida, United States

Who is Charles O'Brien? Overview

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Quick answer

Charles O'Brien is listed as VP of Security & Infrastructure, CISO at Acumera (formerly Reliant) at Acumera, Inc, based in Tallahassee, Florida, United States. AeroLeads shows a work email signal at reliantsolutions.com, phone signal with area code 850, 917, and a matched LinkedIn profile for Charles O'Brien.

Charles O'Brien previously worked as VP of Security & Infrastructure, CISO at Acumera, Inc and Director of Governance, Risk & Compliance, CISO at Reliant. Charles O'Brien holds Master Of Science, Information Technology With A Specialization In Information Assurance & Security from Capella University.

Company email context

Email format at Acumera, Inc

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{first}@reliantsolutions.com
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AeroLeads found 1 current-domain work email signal for Charles O'Brien. Compare company email patterns before reaching out.

Profile bio

About Charles O'Brien

I enjoy building & breaking things. I solve problems.Some of my roles and strengths are in information security, IT leadership, enterprise architecture, software development, system administration, and film production.Specialties: Information security, DevOps, Puppet, Python, BASH, HTML, CSS, JavaScript, PHP, SQL, Linux, Microsoft servers, Active Directory, TCP/IP, Splunk, risk management, regulatory compliance

Listed skills include Linux, Tcp/Ip, System Administration, Active Directory, and 28 others.

Current workplace

Charles O'Brien's current company

Company context helps verify the profile and gives searchers a useful next step.

Acumera, Inc
Acumera, Inc
VP of Security & Infrastructure, CISO at Acumera (formerly Reliant)
AeroLeads page
10 roles · 25 years

Charles O'Brien work experience

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

Vp Of Security & Infrastructure, Ciso

Current

Austin, TX, US

► Various post-acquisition tasks including merging IT programs and teams of three companies into one► Providing leadership and direction to the GRC, System Administration and Platform Infrastructure teams

Feb 2022 - Present

Director Of Governance, Risk & Compliance, Ciso

Current
Reliant

► Combined teams and responsibilities to form the GRC team which is responsible for performing security, compliance, IT and consulting services both internally and customer-facing► Responsible for IT infrastructure (AWS, offices, servers, workstations), custom SaaS web applications, DevOps Puppet infrastructure, IAM infrastructure, etc.► Created and.

Nov 2018 - Present

Director Of Engineering / Ciso / Site Director

Reliant

► Providing leadership and mentoring for multiple operational teams including Engineering, Managed Security & Payments and Support ensuring tasks and projects are executed promptly and requirements are met► Created an ongoing PCI DSS compliance program to facilitate IT security audit requirements for Reliant as a Level 1 PCI DSS service provider►.

Jul 2016 - Nov 2018

Principal Devops Engineer / Site Director

Reliant

► Planted the first company branch office providing 32+ jobs and effectively moving most IT operations in more than 4 departments while maintaining all duties as a DevOps engineer► Act as a critical advisor in complex projects and issues, being an essential technical authority► Implemented qualified integrations of payment applications using DevOps in.

Mar 2015 - Jul 2016

Senior Devops Engineer

Reliant

► Managing ‘Converged IT Infrastructure’ using DevOps tools for 40+ companies providing business requirements, PCI security controls, advanced networking and change management► Leading (strategic and operational) customer and internal projects. Managing expectations in terms of scope, budget and schedule► Technically coordinating the design and.

Sep 2012 - Mar 2015

Business Owner / It Consultant

Port 80 Consulting

IT consulting for small businesses

2009 - Sep 2012

Business Owner

Secure remote backup service

2008 - Sep 2012

Director Of Information Technology

Patients First Medical Centers

► Designed and implemented sophisticated network architecture for eight physical locations to maximize the effectiveness of business applications providing central authentication, group policy, email, disaster recovery, configuration management and software updates► Constructed a robust datacenter and implemented enterprise virtualization, providing.

Mar 2007 - Sep 2012

Network Technician

Computer Tutors Usa, Inc.

► Evaluated, engineered, and supported hundreds of small businesses with a wide variety of needs, contributing to their success ► Designed and maintained custom websites and graphics, resulting in positive outcomes and increased referrals► Installed many instances of Microsoft Server 2003, providing a strong foundation for small businesses

2004 - 2007 ~3 yrs

Nuclear Machinist Mate - Electronics Laboratory Technician

Washington, DC, US

► Attained the rank of Petty Officer 3rd Class, a process which inspired integrity and respect for leadership► Performed technical start-ups and shut-downs of the nuclear reactors on the USS Ronald Reagan aircraft carrier► Ensured proper chemistry of the Nuclear systems and managed radiation and contamination

2001 - 2004 ~3 yrs
3 education records

Charles O'Brien education

Master Of Science, Information Technology With A Specialization In Information Assurance & Security

Capella University

Bachelor Of Science, Nuclear Engineering Technology

Thomas Edison State University

Education record

Purdue University
FAQ

Frequently asked questions about Charles O'Brien

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

What company does Charles O'Brien work for?

Charles O'Brien works for Acumera, Inc.

What is Charles O'Brien's role at Acumera, Inc?

Charles O'Brien is listed as VP of Security & Infrastructure, CISO at Acumera (formerly Reliant) at Acumera, Inc.

What is Charles O'Brien's email address?

AeroLeads has found 1 work email signal at @reliantsolutions.com for Charles O'Brien at Acumera, Inc.

What is Charles O'Brien's phone number?

AeroLeads has found 3 phone signal(s) with area code 850, 917 for Charles O'Brien at Acumera, Inc.

Where is Charles O'Brien based?

Charles O'Brien is based in Tallahassee, Florida, United States while working with Acumera, Inc.

What companies has Charles O'Brien worked for?

Charles O'Brien has worked for Acumera, Inc, Reliant, Port 80 Consulting, Paradigm Tech, and Patients First Medical Centers.

How can I contact Charles O'Brien?

You can use AeroLeads to view verified contact signals for Charles O'Brien at Acumera, Inc, including work email, phone, and LinkedIn data when available.

What schools did Charles O'Brien attend?

Charles O'Brien holds Master Of Science, Information Technology With A Specialization In Information Assurance & Security from Capella University.

What skills is Charles O'Brien known for?

Charles O'Brien is listed with skills including Linux, Tcp/Ip, System Administration, Active Directory, Network Security, Windows Server, Sql, and Firewalls.

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