Below is the current version of my resume. It is also available via google docs at :

Aaron Grothe - CISSP

Omaha, NE (402) 305-7265


Experienced software developer, Linux kernel contributor, and two-time International Obfuscated C Code Contest winner able to bring together cross-functional teams to implement information security best practices. Experienced project manager with a proven track record of completing challenging, complex, high-profile projects. Effective manager, team leader, mentor, and coach with a proven record of assembling and mentoring teams.


CACI International, Omaha NE System Engineer
May 2021 - Present

Major Contributions

  • Working at CACI International as a Systems Engineer.
  • Responsible for the development and integration of a virtualized system stack that includes security processes and implementations supporting the SecureView Workstation (A secure hypervisor) including its virtualized desktop.

AlphaWall LLC, Omaha NE Founder
November 2020 - Present

Major Contributions

  • Developing the company’s first mobile application for Android and iOS using the Flutter environment for release in third Quarter 2021.

Data Axle/Infogroup, Papillion NE Cloud Security Architect
June 2020 - November 2020

Major Contributions

  • Implemented DevSecOps Software development standards, policies, and procedures for a multi-national corporation with ten geographically distributed development teams. The goal was to improve customer satisfaction, retention by reducing software defects, reducing costs, and improving software quality:
    • Set corporate standards for DevSecOps tools (SonarQube, Veracode, Dependabot) and their implementation into the development pipelines (Jenkins, AWS CodePipeline).
    • Wrote the global corporate security policies for DevSecOps development and developed the DevOps migration plan to DevSecOps architecture.
    • Created training materials and delivered a two-day DevSecOps developer training program.

Data Axle/Infogroup, Papillion NE Senior Software Engineer
October 2017 - June 2020

Major Contributions

  • Modernized Infogroup’s Memory-Mapped Database (MMDB), the company’s primary data delivery engine; significantly increasing performance and availability.
    • Ported MMDB from AMD64 to the ARM architecture to support AWS Graviton systems to reduce system costs by 40%.
    • Converted source code from C++98 to C++14, significantly increasing performance, scalability, and availability. Rewrote the system to take advantage of the Intel SSE instruction set. Implemented a new warning and error reporting subsystem, which reduced memory overwrites while producing better warnings and debug information. These enhancements set the stage for the implementation of new C++14 capabilities such as lambda functions, mutexes, and Rvalues.

Data Axle/Infogroup, Papillion NE Senior Software Engineer
May 2013 - March 2017

Major Contributions

  • Primary developer for the Infogroup Campaign Manager software and Payment Card Industry (PCI) Secure Data Transfer System.
  • Wrote the business case for the retirement of Infogroup’s legacy PCI Secure Data Transfer System.
    • The retirement allowed Infogroup to change from PCI Merchant Level 1 to Level 2.
    • Changing Infogroup’s PCI level allowed for PCI self-auditing, which provided a yearly savings of $220k (USD).
  • Continued the development of Campaign Manager Software bringing on new customers, updated environments.
    • Increased reporting capabilities for customers by adding new reports to the Campaign Manager environment.
    • Upgraded Campaign Manager Software to support newer versions of third-party components (i.e., Microsoft Windows Server 2012, Microsoft SQL Server 2012, Microsoft IIS, .NET)

NugentSoft, Omaha NE Senior Security Associate
May 2012 - Jan 2015

Major Contributions

  • Delivered Information Technology security assessments for commercial accounts. Assessments included security audits, security reviews, and network assessments using the OWASP framework. Also provided customers with third-party confirmation, the appropriate security controls were integrated into their projects’ design and implementation.
  • Provided third-party penetration testing against customer networks and systems using MetaSploit, Nmap, Nikto, and OpenVAS.

Infogroup, Papillion NE Senior Security Architect
May 2011 - May 2012

Major Contributions

  • Delivered a detailed forensics analysis of computer systems and network components for a large United Stated Home improvement retail company in response to a cybersecurity incident. My forensic analysis provided proof information was not compromised, which saved the company having to disclose the incident.
  • Revised Infogroup’s security policies for crypto, personal use, network access, software development lifecycle, and PCI security policies.
  • Served as Subject matter expert for Infogroup’s security policies and procedures during third-party audits required by Fortune 100 customers.

Infogroup, Papillion NE Director of IT Accounting & Finance
Jan 2008 - May 2011

Major Contributions

  • Accountable for the continuous operation, upgrading, and implementation of new business functionality for Infogroup’s Oracle e-Business Suite Financial System (representing over $600M (USD) in annual sales).
  • Responsible for completing yearly organizational review as well as identifying existing gaps. While mentoring and coaching the existing team, I added incremental staff, where necessary, to maintain production level support, along with maintaining relationships with key executives.
  • Rescued a failed implementation of the Oracle e-Business Suite Fixed Assets (FA) module.
  • Oversaw the design and implementation of Infogroup’s Payment Card Industry (PCI) payment system with advanced port knocking capability.

Infogroup, Papillion NE Senior Oracle DBA
Mar 2003 - Jan 2008

Major Contributions

  • Migrated Infogroup’s Oracle e-Business Suite Financials system to new hardware. Implemented Stripe and Mirror Everywhere (SAME) storage methodology, which improved performance, eliminating manual rebalancing of datafiles, and increasing availability.
  • Created and implemented an e-Business audit policies framework for Oracle Financials system based on Pete Finnegan’s standards.
  • Created, tested, implemented, and validated Disaster Recovery (DR) and Business Continuity Procedures (BCP) for the Oracle e-Business Suite System.

Infogroup, Papillion NE Senior Unix Admin
Apr 2002 - Mar 2003

Major Contributions

  • Relocated the company’s primary Data Centers, including systems, storage, networks, applications, backup infrastructure, security infrastructure, and all applications.
  • Created new Kickstart Red Hat images for remote offices to set up their Linux systems without Unix admin support - reducing the IT support needs at the small offices.
  • Performed the first installation of the SNORT Intrusion Detection System (IDS) at Infogroup.

Heimdall Linux, Omaha NE Founder and CEO
Jan 2000 - Dec 2001

Major Contributions

  • Founder and CEO of Heimdall Linux, a Common Criteria certified version of Linux available to Federal agencies and other groups requiring an evaluated Linux version.
  • Raised $1.5M (USD) in Venture Capital funding from Linux Global Partners.
  • Completed the initial version of the company’s first product - Heimdall Linux Firewall.


You may validate the certifications at

  • ISC2 - Certified Information Systems Security Professional (CISSP) - Certificate Number 34420
  • Oracle Cloud Infrastructure Foundations 2020 Certified Associate
  • Oracle Cloud Infrastructure 2019 Certified Architect Associate
  • Oracle Autonomous Database Cloud 2019 Certified Specialist
  • CompTIA CASP+ Certification
  • CompTIA CySA+ Certification
  • CompTIA PenTest+ Certification
  • CompTIA Security+ Certification
  • CompTIA Linux+ Certification
  • CompTIA Cloud+ Certification
  • CompTIA Cloud Essentials+ Certification
  • CWTS - Certified Wireless Technology Specialist
  • ASIS Associate Protection Professional (APP)
  • ITIL Foundations Certificate in IT Service Management (v3)


University of Nebraska At Omaha, Omaha NE

  • Emphasis on Parallel Computing.
  • Completed all relevant coursework for Undergraduate Computer Science Degree.
  • Took extensive master’s levels classes in the Computer Science Department.


Linux Kernel Contributor

  • For the following crypto modules - khazad.c, tea.c, tgr192.c, wp512.c

International Obfuscated C Code Contest Winner

  • Most Conspiratorial - 2012
  • Most Obfuscated Audio - 2006

Grand C++ Error Explosion Competition

  • Most Surprising Output - 2015

Amateur Radio

  • Amateur Extra Class License (KC0WIH)


NEbraskaCERT, Omaha NE Board Member
Jan 2003 - Present
  • Present several times a year at the request of the NEbraskaCERT Cyber Security Forum.
  • Primary organizer for the NEbraskaCERT.

Omaha Linux User Group Meetup, Omaha NE Organizer
April 2016 - Present
  • Assist in organizing and coordinating monthly technical meetings.
  • Present several times a year at the request of the group.

Summarized experience for Recruiter Searches

Linux Python C++ C
Oracle Database Cloud Security Oracle UEK
Oracle Cloud ITIL Foundation v3 CISSP Security+
PenTest+ Alexa Skills .NET/CLR NSA IAM
NSA IEM CompTIA Payment Card Industry (PCI) Linux Kernel
Crypto ASIS ISC2 Lint
Code Correctness OWASP DevOps DevSecOps
git Lambda AWS OAuth
Oracle Financials AR/AP GL FA
SDLC Management Director Bash
Red Hat Cloud Architect Firewall Kernel
Solaris Project Management Disaster Recovery (DR) Business Continuity Planning (BCP)
AWS Graviton AWS In-Memory Databases PCI Level 1
PCI Level 2 e-Business Suite SNORT Flutter, DART
Jenkins Metasploit Nmap Nikto
Computer Forensics SonarQube Dependabot Veracode
Android Development Mobile Development Debian Ubuntu