Christopher M. Hobbs Pony express: 120 W. Hannibal St, Siloam Springs, AR 72761 Digits: 479.215.6016 Email: cmhobbs@acm.org Web: ascia.tech Languages: English, Brazilian Portuguese * General Summary Mercenary Developer and Network Cowboy. I like to break stuff, solve interesting problems, untangle systems, and teach. * Work Experience Doximity (San Francisco, CA) 2023-Present DevOps Engineer - Infrastructure Security Primary tooling: Terraform, Ruby, Linux, GitHub Actions, CircleCI, Lacework, Sumo Logic, ZScaler, AWS + Participated in Security Incident Response events + Provisioned security related tooling in cloud infrastructure + Monitored SIEM for potential threats + Assisted in rollout of ZPA and ZIA + Provisioned and integrated various SIEM tools - Ascia Technologies, LLC (Siloam Springs, AR) 2006-Present Formerly Altbit Development, LLC and Graft, LLC Owner and Engineer Primary tooling: Ruby, Python, SBCL, Perl, Linux, Golang, FreeBSD, Wireshark, Various Common Infosec and IT Tools + Performed network administration for SCADA and Industrial control systems in the public sector + Performed custom development and system automation in several languages across a number of fields both private and public + Performed regular penetration tests, code/binary analysis, and border/network hardening services for a broad range of clients in government, healthcare, nonprofit, and commercial fields + Provided training and mentoring sessions on security and development best practices to both technical and non-technical audiences + Provided code auditing and public report for "shadowlands", a text based Dapp for Ethereum + Performed various data mining and OSINT tasks + Provided systems and network administration support across small and medium sized networks. + Provided malware analysis and reverse engineering services + Provided hosting services for smaller clients and the local community - Lofty. (Fayetteville, AR) 2021-2023 Solutions Architect/Practice Lead (Remote, 2021-2022) Interim Director of Engineering (Remote, 2022-2023) Practice Lead - DevOps/MLOps (Remote, 2023) Primary tooling: Python, Golang, Linux, Rancher, Kubernetes, AWS, Flask, Redis, Django + Managed a team of ~15 engineers + Responsible for client and internal SRE and devops tasks + Mentored apprentices and developers + Organized the company's internal security team + Planned and designed software and infrastructure for client projects in various industries and disciplines + Designed and implemented machine learning workflows/infrastructure + Produced prototypes for complex utilities and applications + Supported engineers with software and infrastructure challenges + Provided code review for varied projects + Assisted account executives in business development initiatives + Worked closely with the Director of Engineering on internal technologies and development processes + Regularly reviewed, audited, and suggested security processes for client and internal codebases - Corelight (Santa Francisco, CA) 2019-2021 Network Security Software Engineer (Remote) Primary tooling: Zeek, Python, C++, Lua, Linux, Wireshark + Built/maintained network monitoring packages for NSM appliances + Security contact for Open Source Zeek's Private Distributors Group + Member of the internal security advisary board + Primary technical contact bridging Open Source and internal teams + Built custom tooling for development workflows + Performed basic security analysis of code on NSM appliances + Worked on custom Wireshark plugin development - Malwarebytes (Santa Clara, CA) 2015-2019 Senior Software Engineer (Remote) Primary tooling: Ruby, Rails, AWS, PostgreSQL, Redis, Golang, Guile, Clojure + Built/maintained an enterprise management platform for MB software + Expanded and maintained a web-based malware research automation tool + Built a custom debug log aggregation API with a rule processing engine for triggering various alerts + Built anti-malware log processing microservices with Clojure and AWS lambda + Worked on Ruby based telemetry services and data collection APIs + Built a custom platform in Ruby for provisioning various AWS services on the fly - Grandslam Performance Associates (Fayetteville, AR) 2015 Managing Director of Technology (March 2015 to June 2015) Technology Associate (Contract June 2015 to Present) Primary tooling: Ruby, Rails, PostgreSQL, PostGIS, Linux, Heroku + Managed the technology team and stack for serve2perform.com + Advised the organization on technical decisions + Migrated the platform from self-managed servers to Heroku + Overhauled the internals of serve2perform and completed large library upgrades + Developed microservices to manage the flow of analytics data - Acumen Brands (Fayetteville, AR) 2012-2015 Senior Developer Primary tooling: Ruby, Rails, Redis, PostgreSQL, JavaScript, AWS, ELK stack, Netsuite + Developer of the year, 2013 + Lead the company's apprenticeship program + Team lead for the company's Core and Account Management engineering teams + Authored an application to predict delayed customer shipments + Worked on a very large in-house eCommerce Rails app + Re-engineered a large product data import job for the company's main platform + Co-authored an open source modular ERP backend interface and corresponding Netsuite plugin + Overhauled a custom warehouse inventory platform with both server and embedded components - SocialVolt (Overland Park, KS) 2011-2012 Ruby Developer (Remote) Primary tooling: Ruby, Rails, Redis, PostgreSQL, Heroku + Implemented primary features on the company's flagship social media engagement platform using Resque and Redis + Built an administrative interface for sales and business teams + Built statistics and reporting libraries for customer and social media data + Managed network services including Nginx, Unicorn, REE, Passenger, Apache, Foreman, Postgres, and Upstart - City of Siloam Springs (Siloam Springs, AR) 2003-2011 Systems Technician (2003-2007) Network Administrator (2008-2009) Infrastructure Administrator (2010-2011) Primary tooling: Linux, FreeBSD, Juniper, Ruby, Perl, Nginx, KVM/Xen + Managed a medium sized network with a large server pool using KVM and Xen running FreeBSD, RedHat, SuSE, Ubuntu, and Windows server 2000-2008 + Implemented and maintained various Novell services such as OES2 and Groupwise + Managed Postfix, Groupwise, and qmail MTAs + Performed network hardening and auditing annually + Maintained a number of Cisco and Juniper devices across 16 remote sites + Maintained Apache and Nginx webservers for public and internal projects + Built several in-house tools and applications for server inventory, emergency services, equipment monitoring, and system automation in Perl, Ruby, Python, and SBCL + Maintained several MS SQL, MySQL, and PostgresSQL servers * Education + eLearn Security eCPPT Training, 2020 + Northwest Arkansas Community College, 2002-2004 - Focus: Network Administration + University of Arkansas 2003-2008 - Focus: Pure Mathematics, Computer Science + Advanced Global CCNA Bootcamp 2003 * Social Organizations and Other Projects + Minor contributor to the Ronin security toolkit + Co-author of "Deja-Vu: A Glimpse on Radioactive Soft-Error Consequences on Classical and Quantum Computations" (https://arxiv.org/abs/2105.05103) + Sysadmin at The Manor, a community network (2018-2020) + Admin, Free Software Foundation Directory (2014-2020) + Co+Organizer/Member of several local Ruby user groups (2006-2018) + Author of the 'laraib' Ruby client for pump.io (2016) + Amateur Radio Operator, Callsign: KD5RYO + Assisted with maintenance of the LinkedIn and sinatra+authentication Ruby gems (2008-2016) + Co+author of wyatt and wyatt_netsuite libraries for generic ERP integrations (2014-2015) + Co+author of casual_jacket importer library for receiving and understanding product data (2014-2015) + Contributor to rest_suite library for building Netsuite APIs (2013) + Member, OpenSUSE Project 2007-2011 + Member, OpenSUSE GNOME Team 2009-2011 + Associate Member, FSF + Member, ACM (Professional/SIGSAC/SIGCOMM), USENIX, ARRL