Meet the team
The Enable Sysadmin team includes the editorial team and members of the Sudoers program.
Editorial Team
Meet the editorial team.
Marjorie Freeman
Marjorie Freeman
Marjorie Freeman is the Associate Editor for Enable Architect. She has a diverse background ranging in everything from community advocacy, to digital design, and creative writing.
Seth Kenlon
Seth Kenlon
Tyler Carrigan
Tyler Carrigan
Tyler is the Sr. Community Manager at Enable Sysadmin, a submarine veteran, and an all-round tech enthusiast! He was first introduced to Red Hat in 2012 by way of a Red Hat Enterprise Linux-based combat system inside the USS Georgia Missile Control Center.
Vicki Walker
Vicki Walker
Vicki Walker is Managing Editor, Digital Communities, for Red Hat. She has more than 15 years of experience in technology publishing for companies including Red Hat, InformationWeek.com, Dark Reading, SAP, BlackBerry, and Network Computing, for more than 15 years.
Sudoers
Meet the members of the Enable Sysadmin sudoer program.
Alexon Oliveira
Alexon Oliveira
Alexon has been working as a Senior Technical Account Manager at Red Hat since 2018, working in the Customer Success organization focusing on Infrastructure and Management, Integration and Automation, Cloud Computing, and Storage Solutions.
Amy Marrich
Amy Marrich
Anthony Critelli
Anthony Critelli
Anthony Critelli is a Linux systems engineer with interests in automation, containerization, tracing, and performance. He started his professional career as a network engineer and eventually made the switch to the Linux systems side of IT. He holds a B.S. and an M.S.
Bryant Son
Bryant Son
Bryant Jimin Son is a Consultant at Red Hat, a technology company known for its Linux server and opensource contributions.
Evans Amoany
Evans Amoany
I work as Unix/Linux Administrator with a passion for high availability systems and clusters. I am a student of performance and optimization of systems and DevOps. I have passion for anything IT related and most importantly automation, high availability, and security.
Gineesh Madapparambath
Gineesh Madapparambath
Gineesh Madapparambath is a Platform & DevOps Consultant at Red Hat Singapore, specializing in automation and containerization with Ansible and OpenShift.
Joachim Haller
Joachim Haller
Jörg Kastning
Jörg Kastning
Jörg has been a Sysadmin for over ten years now. His fields of operation include Virtualization (VMware), Linux System Administration and Automation (RHEL), Firewalling (Forcepoint), and Loadbalancing (F5).
Jose Vicente Nunez
Jose Vicente Nunez
Joseph Tejal
Joseph Tejal
Joseph is a Technical Account Manager at Red Hat based in Wellington, New Zealand. He currently supports and works with local government agencies and financial services institutions.
Kedar Vijay Kulkarni
Kedar Vijay Kulkarni
Kedar is a Senior Software Engineer at Red Hat working with Red Hat OpenShift Networking focusing on functionality, performance, and scaling of Software Defined Networking, primarily with Open Virtual Network Kubernetes (OVN-K8s) plugin.
Kshitiz Saini
Kshitiz Saini
Kshitiz Saini is a pre-final year as a Computer Science undergraduate at the University of Petroleum and Energy Studies, Dehradun, and a tech enthusiast who seeks experience by learning to increase his knowledge along with having some fun.
Nathan Lager
Nathan Lager
Nate is a Technical Account Manager with Red Hat and an experienced sysadmin with 20 years in the industry. He first encountered Linux (Red Hat 5.0) as a teenager, after deciding that software licensing was too expensive for a kid with no income, in the late 90’s. Since then he’s run
Nicole Lama
Nicole Lama
Nicole Lama is a first-generation Panamanian-American with a bachelor's in biomedical sciences and a master's in bioinformatics and computational biology. Since 2015, she has worked with academics, tech startups, and Fortune 500 companies to help meet their data extraction, transformation, mobili
Peter Gervase
Peter Gervase
I am a Senior Principal Security Architect at Verizon. Before that, I worked at Red Hat in various roles such as consulting and in the Solutions Architect where I specialized in Smart Management, Ansible, and OpenShift.
Roberto Nozaki
Roberto Nozaki
Roberto Nozaki (RHCSA/RHCE/RHCA) is an Automation Principal Consultant at Red Hat Canada where he specializes in IT automation with Ansible.
Shiwani Biradar
Shiwani Biradar
Shiwani Biradar is an Associate Technical support Engineer in Red Hat. She loves contributing to open source projects and communities. Shiwani never stops exploring new technologies. If you don't find her exploring technologies then you will find her exploring food.
Steve Ovens
Steve Ovens
Steve is a dedicated IT professional and Linux advocate. Prior to joining Red Hat, he spent several years in financial, automotive, and movie industries.
Thomas Tuffin
Thomas Tuffin
Thomas is a Technical Account Manager for Red Hat. An Aussie expat in Sweden, he is passionate about Open Source software and has a keen interest in emerging technologies such as blockchain.
Community Alumni
Past members of the Enable Sysadmin Sudoer program.
Alex Callejas
Alex Callejas
Alex Callejas is a Services Content Architect of Red Hat, based in Mexico City and an Enable Sysadmin contributor. With more than 20 years of experience as Sysadmin, he has strong expertise on infrastructure hardening and automation.
Ashraf Hassan
Ashraf Hassan
I am Ashraf Hassan, originally from Egypt, but currently, I am living in the Netherlands I started my career in 1998 in the telecom industry, specifically the value-added services. Although my official studies were in the area of telecommunications, I was always attracted to system administration
Brian Smith
Brian Smith
Brian Smith is a product manager at Red Hat focused on RHEL automation and management. He has been at Red Hat since 2018, previously working with public sector customers as a technical account manager (TAM).
Chris Collins
Chris Collins
Chris Collins is an SRE at Red Hat and a Community Moderator for Opensource.com. He is a container and container orchestration, DevOps, and automation evangelist, and will talk with anyone interested in those topics for far too long and with much enthusiasm.
David Both
David Both
David Both is an open source software and GNU/Linux advocate, trainer, writer, and speaker who lives in Raleigh, NC. He is a strong proponent of and evangelist for the "Linux Philosophy." David has been in the IT industry for over 50 years.
Gabrielle Stenzel
Gabrielle Stenzel
I currently work as a Cloud Support Supervisor for Acronis . I have worked with Linux and OpenSource tools for a decade, constantly wanting to make new resolutions for obstacles and always training others on improving systems as a systems administrator.
Glen Newell
Glen Newell
Glen Newell has been solving problems with technology for 20 years. As a Systems Engineer and administrator, he’s built and managed servers for Web Services, Healthcare, Finance, Education, and a wide variety of enterprise applications.
Jason Frisvold
Jason Frisvold
Jason is a 25+ year veteran of Network and Systems Engineering. He spent the first 20 years of his career slaying the fabled lag beast and ensuring the passage of the all important bits. For the past 5 years he has transitioned into the DevOps world, doing the same thing he used to, but now wit
Jonathan Roemer
Jonathan Roemer
Jonathan Roemer is a senior DevOps engineer at Drizly with an interest in security, automation, and the human side of IT. He can usually be found hiking or reading a book on his porch.
Keerthi Chinthaguntla
Keerthi Chinthaguntla
Keerthi is aspiring Cloud, DevOps engineer, he has been working with Windows and Linux systems. He believes in continuous learning (CL) and continuous sharing (CS), on his way building his very own CL CS pipeline. When he is not playing in the CLI, you will find him playing Cricket.
Ken Hess
Ken Hess
Ken has used Red Hat Linux since 1996 and has written ebooks, whitepapers, actual books, thousands of exam review questions, and hundreds of articles on open source and other topics. Ken also has 20+ years of experience as an enterprise sysadmin with Unix, Linux, Windows, and Virtualization.
Ricardo Gerardi
Ricardo Gerardi
Ricardo Gerardi is a Senior Consultant at Red Hat Canada where he specializes in IT automation with Ansible and OpenShift.
Scott McCarty
Scott McCarty
At Red Hat, Scott McCarty is a technical product manager for the container subsystem team, which enables key product capabilities in OpenShift Container Platform and Red Hat Enterprise Linux. Focus areas include container runtimes, tools, and images.
Shashank Nandishwar Hegde
Shashank Nandishwar Hegde
I work as a Solutions Engineer at Red Hat and my day-to-day work involves OpenShift and Ansible. I'm highly passionate about open source software, cloud, security, and networking technologies.
Valentin Bajrami
Valentin Bajrami
Valentin is a system engineer with more than six years of experience in networking, storage, high-performing clusters, and automation.
He is involved in different open source projects like bash, Fedora, Ceph, FreeBSD and is a member of Red Hat Accelerators.
