From b5d7cacd88a1ca15af5271c28bcb38b1e04a7c1c Mon Sep 17 00:00:00 2001 From: paul Date: Tue, 12 Aug 2025 16:18:19 -0400 Subject: [PATCH] Adding an exercise --- paul-halvorsen-resume-detailed.md | 33 ++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/paul-halvorsen-resume-detailed.md b/paul-halvorsen-resume-detailed.md index 620cd1a..34068c3 100644 --- a/paul-halvorsen-resume-detailed.md +++ b/paul-halvorsen-resume-detailed.md @@ -5,12 +5,12 @@ left-column: - 'Phone: +1-410-236-4665' - 'Citizen of the United States' right-column: - - 'Email: [pmghalvorsen@gmail.com](mailto:pmghalvorsen@gmail.com)' + - 'Email: [work@halvo.me](mailto:work@halvo.me)' --- # Summary -I'm a Software Engineer with over 13 years development and 17 years professional experience, with exposure to Rust, C, Python, PHP, Go, JavaScript, Java, and C++ languages; various SQL databases; JQuery and Pytest frameworks; Docker containerization; and Rest API, NATS, JSON, XML, and nginx technologies. +I'm a Software Engineer with over (started in 2011) years development and (started in 2006) years professional experience, with exposure to Rust, C, Python, PHP, Go, JavaScript, Java, and C++ languages; various SQL databases; JQuery and Pytest frameworks; Docker containerization; and Rest API, NATS, JSON, XML, and nginx technologies. # Work Experience @@ -18,19 +18,22 @@ I'm a Software Engineer with over 13 years development and 17 years professional **Sr Software Engineer**: April 2022 - Present - - Rust development using cargo, cmake, and cross compilation + - Rust development using cargo, nextest, cmake, WIX, and cross compilation - Python development using pyenv, pipenv, cython, docker build environment, gitlab pipelines, and static compilation - - Develop security alarms for Windows, Linux (Debian and RedHat), and MacOS + - Develop security alarms for Windows, Linux (Debian, Ubuntu, CentOS, RedHat), and MacOS - Written RFC and ADR to drive design and decision making on project direction - Design and build containment for all platforms upon detected compromise - Design and build secure key exchange and connections - + - Perform public key pinning and certificate transparency logs for server verification: Rust, Python + - Perform API calls to Azure for data transfer + - Testing performed using VMs built in Proxmox and Virtualbox + ## Kyrus Tech **Sr Software Engineer**: Nov 2020 - April 2022 - Perform test driven development: C, Python/Pytest, Docker, GitLab CI/CD - - Build covert communications and file transfers proxy: HTTPS, Apache Thrift, Rest API + - Build covert communications and file transfers proxy: C, HTTPS, Apache Thrift, Rest API - Design compact router fingerprinting and vulnerability analysis: Android, HTTPS, TCP/IP, StreamCypher Encryption - Modify existing code to suppress system logging from Linux Kernel module: various Linux Kernel versions, Ghidra @@ -40,10 +43,13 @@ I'm a Software Engineer with over 13 years development and 17 years professional - Continue development of covert Windows application: C, C++, Python - Build modular solution for plugin architecture - - Design custom API for minimal data transfer to back-end + - Design and develope custom API for minimal data transfer to back-end + - Reverse engineer custom data storage solutions to parse and manipulate target data + - Reverse engineer API calls to proprietary tools to manipulate communication - Encrypt storage and comms using AES shared key to maintain confidentiality and integrity - Build prototype back-end service for file storage and search: Java, Tomcat, Niagarafiles (NiFi), nginx, Hadoop, MySQL, LDAP, RBAC - Create API for uploading files via web interface or CLI + - Verify duplication before storage - Track and maintain multi-level user access - Generate metadata for searching @@ -54,17 +60,23 @@ I'm a Software Engineer with over 13 years development and 17 years professional - RedTeam DevOps development of browser enumeration, manipulation, and exploitation: PHP, JavaScript, JQuery, CSS, Python, MySQL, Java, Apache, Tomcat, Linux, Windows, Chrome, Firefox, Safari, IE, Edge - Design Rest and JSON API to transfer data between targets, server, and UI - Deliver covert JavaScript to targets for enumeration and exploitation - - Design front-end to provide a dynamic UI with real time target data and graphs and charts for in-depth data + - Design front-end to provide a dynamic UI with real time target data, graphs, and charts for in-depth data analysis - Design MySQL database to hold and quickly query enumeration and exploitation data + - Design and develop new browser exploits using public CVE and POC - Update PHP back-end for security and performance - Advise and develop vulnerability mitigation strategies for various military and government customers - Train and provide SOPs to NSA RedTeam operators for various tools + - Train new development employees on test system and deployment procedures + - Update Windows and Linux software package to also run on MacOS **Systems Engineer**: Sept 2009 - Nov 2011 - - Deploy, maintain, and monitor 30+ systems with 130+ Red Hat Enterprise Linux (RHEL) servers: LDAP, DNS, Apache, NiFi, Hadoop, Apache, Puppet, DHCP, PXE + - Deploy, maintain, and monitor 30+ systems with 130+ Red Hat Enterprise Linux (RHEL) servers each + - Maintain multiple services on each system including; LDAP, DNS, Apache, NiFi, Hadoop, Apache, Puppet, DHCP, PXE boot - Develop and deploy monitoring, reporting, and issue correcting scripts: Python + - Repoting sent via Web API to graphic interface for viewing as well as emailed out to the team - Organize, train, and participate in team performing 24x7 call-in rotation + - Stage new deployments to verify viability before deployment - Responsible for 5+ domestic and foreign system deployments ## Salisbury University @@ -73,8 +85,10 @@ I'm a Software Engineer with over 13 years development and 17 years professional - Funded through the Wallops Flight Facility (NASA) - Provide simplified UI and scenario builder for the Satellite Tool Kit (STK): Managed C++ + - Create graphs designed to display risk throughout the scenario - Design risk assessment scenarios for launch vehicles and UAVs over the DELMARVA peninsula - Collaborate with Geographic Information Science (GIS) for mapping + - Display emergency services and response time on the map throughout the simulation **Lab Administrator**: Sept 2007 - May 2009 @@ -82,6 +96,7 @@ I'm a Software Engineer with over 13 years development and 17 years professional - Maintain the Linux labs on campus: dual boot OpenSUSE, WindowsXP, and OpenSUSE server - Perform backups, updates, user management (LDAP), disk quotas, and remote access - Monitor the labs while in use + - Provide ssh access into the lab for remote work # Education