Information Security, Network Security, Network Administration, ITIL

William K. O’Brien

Columbus, OH *****@******.**

614-***-**** linkedin.com/in/wkob Credly.com profile

Current Clearance: TS/SCI

Technology professional with various experience and certifications covering security, cloud, scrum, project, server, and vendor specific technologies. Strong ability to implement process improvements. Prioritizes excellent service and communication.

Core Competencies

Process Improvement Change Management Datacenter Network Support Cloud Network Administration Workflow Management Client Escalations Cybersecurity Incident Detection, Handling, and Response

Professional Experience

DNI (Delaware Nation Industries)

Network Engineer, Columbus, OH December 2024 - Current

Network Engineer role for DISA cloud environments.

•Maintaining Azure cloud based virtual machines from vendors F5, Cisco FMC, and Palo Alto.

•Perform firmware and dynamic update upgrades, STIG reviews, device license/certificate (renewal, updating, deletion).

MSM Technology, LLC

Cloud Network Engineer, Columbus, OH November 2023 – December 2024

Network cloud administration/engineering role for DISA (Defense Information Systems Agency)

•Supporting cloud based devices including F5, Cisco FMC, and Palo Alto.

•Tasked with performing weekly device backups/snapshots, STIG review, documentation refinement, device license/certificate (renewal, updating, deletion), DNS updates, and other cloud related tasks.

Network Engineer, Columbus, OH July 2023 – November 2023

Maintained network hardware in several data centers for DISA (Defense Information Systems Agency)

•Routinely performed firmware/code upgrades for various network devices across several data centers.

22nd Century Technologies, Inc.

Computer Network Defense, Columbus, OH September 2022 – July 2023

Intrusion detection (ID), handling (IH), and Remediation (IR) for the Defense Logistics Agency (DLA).

•Utilized tools including Splunk, Microsoft MDE (Microsoft Defender for Endpoints), VirusTotal, Silo, and domainIQ.

•Analyzed notable events in Splunk and alerts in MDE.

•Monitor and analyze potentially malicious email (phishing, credential harvesting, etc.)

Amazon Web Services (AWS)

Datacenter Operations, Columbus, OH August 2022 - September 2022 Support of multiple AWS Data centers in a cleared role supporting GovCloud.

•Responsibilities included removal of decommissioned datacenter assets, sanitizing media via degaussing, SSD destruction via drive crushers, preparing assets for secure transport, and performing weekly inventory audits.

NOVA Corporation

Lead Infrastructure Network Support, Columbus, OH November 2021 - July 2022

Lead role performing data center code upgrades and tech refresh efforts for DISA (Defense Information Systems Agency)

•Tasked with coordinating the provisioning, installation, configuration, maintenance, upgrading, and replacement of all network hardware within the data centers.

Infrastructure Network Engineer, Columbus, OH March 2020 – November 2021 Infrastructure Network Engineer for DISA (Defense Information Systems Agency)

•Installed, configured, and maintained all network hardware within the data centers.

•Performed data center network device refreshed from owned equipment over to leased equipment.

JPMorganChase & Co.

AVP - Technology Asset Decommissions, Columbus, OH March 2014 – December 2019

Subject Matter Expert for North America Infrastructure Lifecycle Management (ILM) Team.

•Provided SharePoint content and process improvements for physical and virtual device decommissions.

•Lead for the Server/Database Cluster Reduction project, saving @ 16 million dollars in operating costs.

•Process enhancements (via JIRA) to improve various application workflows (Remedy/TAMS/ITSM).

Associate – Identity & Access Administration (IAM), Columbus, OH November 2011 – March 2014

Subject Matter Expert (SME) for multiple applications.

•Updated documentation for On Call duties, Queue Management, Incident ticket processing, and password storage.

•Conducted individual training when onboarding/updating applications onto our team.

•Represented team in meetings related to application onboarding to ensure any existing issues discussed/addressed.

Tech Ops Analyst - LAN Engineer, Columbus, OH, September 2005 – October 2011

Project resource and primary Backup Administrator for site tape media servers.

•Spearheaded project implementations including a site printer refresh project.

•IT Asset tracking and coordinated 3rd party IT asset disposals.

•Hardware imaging, patch management, Active Directory administration, application and mobile device support.

Education

Bachelor of Arts, The Citadel, Charleston, South Carolina

Certifications

ISC2

•SSCP

•CC

Cloud Security Alliance

•CCSK v4

ITIL

•ITIL v3 Foundation

ScrumStudy

•Scrum Fundamentals

6SIGMAstudy

•Six Sigma Yellow Belt

VMEdu Inc.

•Negotiation Associate

Microsoft

•MCSA (2000)

•MCP (2000/2003)

•MCDST (XP)

CompTIA

•Cloud+

•Project+

•CySA+

•Security+

•Server+

•Cloud Essentials+

•Network+

•A+

•ITF+

•PenTest+

•e-Biz+ (retired)

CompTIA Stackable

•CIOS

•CNIP

•CSIS

•CCAP

•CSCP

•CSAP

•CNVP

•CNSP

CyberArk

•Certified Trustee

Fortinet

•NSE 1 & 2

Splunk

•Splunk Fundamentals

SMstudy

•Digital Marketing Fundamentals

•Marketing Strategy Fundamentals

•Marketing Research Fundamentals

•Corporate Sales Fundamentals

HDI/Service Desk Institute

•Support Center Analyst (SCA)

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