Hollie Alexander

Principal Product/Application Architect

Objective

Energetic, technical-minded professional with over 20 years of diverse experience with extensive technical aptitude, and unyielding commitment to design and implement secure solutions.

Skills

Design

Served as the EAM/CMMS subject matter expert for interdepartmental collaborations. Lead and assisted team members and outside consultants with task assessment, design, and implementation.

Execute

Translate user's requirements into a functional implementation through system configuration and custom coding while assuring compliance, scalability, availability, data integrity, and application of cybersecurity best practices.

Lead

Proven ability to lead and manage a wide variety of technical design and development projects in team and independent situations from inception to post go-live support.

Technical

Full-Stack Software Engineering
Network and authentication protocols (DNS, DHCP, etc.)
ETL
Agile Methodologies
Bottleneck Analysis
Root Cause Analysis
Performance Tuning
Load Balancing
Parallel Multiprocessing
Distributed Computing
B2B Integrations
System Integrations
Data Migration
Greenfield Deployments
Change Management
System Architecture Design
Solution Architect
Single Sign-on configuration SSO
Server and Application Hardening
NIST and ISO Cybersecurity Frameworks
Zero-Trust
Ring fencing
Host-Based Intrusion Detection
Host-Based Firewalls
Security Information and Event Management

Risk Management
Compliance: SOX, HIPAA, PCI DSS
Continuous Integration /Continuous Deployment CI/CD
SDLC
Multi-factor Authentication MFA
Red Hat Enterprise Linux (RHEL)
Windows Server
T-SQL
C/C++
PHP
CSS
BASH
Perl
PL/SQL
Python
PowerShell
Jython
JavaScript
JSON
REGEX
XML
HTML
REST
SOAP
TCP/IP
SSL/TLS

LDAP
Kerberos
SAML
LAMP Stack
IBM Maximo
IBM Websphere
TMW
Illumio
Salesforce
PDI Enterprise
Microsoft SQL Server
Oracle DB
PostgreSQL
Apache Web Server
Wireshark
Git
Node.js
Node Red
Netcat
Splunk
SSRS
BIRT Reporting
Kubernetes
Docker
AWS
OWASP

Experience

BNY Mellon

SYSTEM ADMINISTRATOR III - Contractor through Modis Employment Agency

September 2021 to September 2022

Assisted in creating security policies used to apply network segmentation ring fences in a network consisting of over 80,000 appliances and servers
Participated in risk assessment to prioritize high risk targets for zero-trust initiative
Built and configured Apache Web servers on RHEL including load balancing and multi-factor authentication (MFA)
Built datasource and integration points for Governance, Risk management and Compliance (GRC) reporting
Integrated custom in-house web portal to identity access management (IAM) system
Created custom authentication library in Perl and Python
Migrated stored procedures and DB calls from MySQL DB to PostgreSQL, hardened perl and python code base, and optimized portions of code to employ parallel multiprocessing in Python to address DB transaction bottleneck.
Completed Permit to Operate Change Management tasks and documentation resulting in successful go-live
Automated administration of RHEL servers using BASH
Automated tasks and assisted team members with BASH, Powershell, SQL, Perl, and Python coding

Ontracks Consulting

SENIOR CONSULTANT

November 2016 to September 2021

Develop custom automation scripts in Python, Jython, Java, and Javascript
Design and develop real-time integration using REST and OSLC both out of the box and customized using automation scripting
Create integration flows between systems using Node-RED on Node.js
Architect infrastructure topologies based on customer��s unique environment
Realize customer��s requirements into a functional product prioritizing ROI
Administer, tune, harden, install, configure, and troubleshoot clustered, highly available WebSphere, Apache, and Maximo on Red Hat Linux and Microsoft Windows Servers
Work independently to execute projects from inception to post Go-Live support
Write custom ETL scripts in operating system��s native language (PowerShell and BASH) for static data loads
Advise customers on ITIL best practices for streamlined business processes
Conducted full analysis of database system for optimization including query, cron task, and index optimization; hardware considerations; and optimal database configuration. As well as, created SQL scripts for performance analysis and recommendation implementation
Conduct training and create educational material for end-users and system administrators

Sunoco LP

LEAD SYSTEMS SPECIALIST - MAXIMO

October 2010 to June 2016

Developed custom client-side automation scripts in Python, Jython, and Javascript
Employed Java and Maximo MBO API for customizations and integrations
Extensively used T-SQL and PL/SQL for reporting including creating stored procedures
Developed Python and PowerShell scripts for data transforms, troubleshooting, and task automation
Lead the planning, technical design, testing, execution and completion of interdepartmental projects
Evaluated business processes to determine areas of improvement through process automation
Created, troubleshoot, and configured integrations using SOAP, REST, flat files, and interface tables
Mobilized the maintenance workforce and warehouses using Maximo Everyplace and Mobile Inventory
Designed and modified workflows
Customized and designed BIRT reports using Eclipse
Optimized and configured clustered WebSphere application and Apache web server
Provided backup support to TMW logistics system, PDI Enterprise accounting system, Airwatch MDM, Hyperion financial reporting system, Linux systems, and various custom in-house software
Assisted in full implementation of TMW logistics system, Right Angle commodities trading and risk management solution, and Sciquest procurement software
Advanced knowledge in troubleshooting networking and authentication protocols issues including but not limited to: DNS, Kerberos, LDAP, TCI/IP, TLS/SSL, DHCP, FTP, HTTP/S
Continually researched and evaluated cutting-edge technologies

Bay Area Quick Care, PLLC

SYSTEM ADMINISTRATOR/WEBMASTER

October 2009 to Present

Administer HIPAA-compliant computer network for a medical clinic with over 13,000 patients
Create and maintain company website: www.BayAreaQuickCare.com

Network Security Services, Inc.

INFORMATION SECURITY ANALYST

December 2008 to May 2009

Analyzed alerts from intrusion detection system to detect possible security breaches
Conducted and analyzed vulnerability scans
Developed Perl Scripts
Configured IDS on Linux
Researched and developed new products

Texas A&M University-Corpus Christi

GRADUATE RESEARCH ASSISTANT

September 2005 to October 2008

Developed and modified Java to interact with Oracle and MySQL databases
Utilized PHP and REGEX for integration with Graduate Studies and Research website
Designed a security policy implementation strategy
Researched log file analysis and intrusion detection
Used network penetration tools to find vulnerabilities: BackTrack, Kali, Snort, Nessus, Kismac, Metasploit, Nmap, Wireshark, Netcat, OpenSSH, IDA Pro, FTK, Prodiscover, BASE, Bastille

Adfitech, Inc.

LINUX PROGRAMMER

November 2002 to June 2005

Developed and customized in-house software using C/C++ on Red Hat Linux
Employed PHP and Java Script to create a secure Web sites servicing over 600 users
Administered servers on Red Hat Linux, Macintosh OS X, and Window 2003 Server platforms
Created custom import/export of client data and calculated sampling distribution to meet client and government criteria for mortgage lenders
Provided technical support for internal and external end-users
Trained new programmers
Translated Spanish phone calls for verification departments

Hollie Alexander

Principal Product/Application Architect

View ITIL Certification

View IBM SA Certification

View IBM 7.6 Infrastructure Deployment Certification

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