Brien Tennefoss
Richland,WA
Summary
Seasoned IT professional with a proven track record at Inmotion Hosting, excelling in firewall management and delivering exceptional technical support. Spearheaded the migration to Google Workspace, enhancing organizational efficiency. Renowned for troubleshooting prowess and adept at fostering user competency, significantly boosting system performance and security.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Internal Information Technology Representative 2
Inmotion Hosting
Remote, US
07.2019 - Current
- Guided newly onboarded staff through IT basics.
- Supported smooth transitions for newly hired personnel into organizational roles.
- Worked to constantly improve information technology systems and infrastructure
- Managed Openstack based cloud computing platform
- Maintained and supported web servers running CentOS as well as Alma Linux, to include identifying security incidents, installing software, identifying and resolving load-balance issues, installing and managing Linux-based firewalls (APF and CSF), migrating website files and databases between CentOS servers
- Maintained and provided troubleshooting for website and email services
- Installed and maintained VMWare ESXi Hypervisor servers both remotely and in-person
- Installed and maintained Proxmox Hypervisor servers both remotely and in-person
- Provisioned and managed servers and virtual networking on VMWare ESXi hypervisors
- Provisioned and managed servers and virtual networking on Proxmox hypervisors
- Managed Microsoft Active Directory Service containing 500+ users
- Managed Firewalls to ensure network security
- Singlehandedly managed Network switches to build/expand internal network, including interconnectivity of intranet across five office locations and 400+ employee home offices
- Singlehandedly handled migration from corporate-owned mail server to Google Workspace for Email, Cloud storage, and Single Sign On services to include intermediary servers to handle DNS and header rewrites
- Worked with another networking-focused department to create a new VPN which integrated with Data-center networks which utilized IPv4 to IPv6 conversion, and interfaced with already existing BGP network route management and deployment.
- Singlehandedly designed and deployed network for new office suites to include provisioning servers, provisioning and hardening firewalls, and ensuring interconnectivity with four additional office locations and three data center locations, as well as 400+ employee home offices
- Managed a Slack instance of 400+ employees to include configuring slack integrations and webhooks
- Managed Google Workspace Tenant of 400+ Employees, to include Gmail, Google Drive, Meets.
- Managed organization-wide Bitwarden password manager shared collection.
- Singlehandedly planned, created, deployed, and managed a Zero-Trust networking architecture for remote employee access to internal systems utilizing the CloudFlare Zero Trust platform.
- Created documentation for common IT tasks such as troubleshooting steps for various types of problems.
- Provided training sessions for end users on how to use various software programs.
- Provided technical support to users via telephone or remote access.
- Maintained user accounts in Active Directory and Exchange Server environments.
- Maintained inventory records of IT equipment and supplies.
- Participated in team meetings to discuss project status updates.
- Installed and configured hardware, software, systems, networks, printers, and scanners.
- Troubleshot system issues related to network connectivity, software installation and configuration, printing.
Applecare Representative
Kelly Services
Chesapeake, VA
01.2019 - 07.2019
- Worked to ensure a positive and hassle-free customer experience
- Worked to achieve high customer satisfaction rates by providing optimal customer service
- Provided outstanding technical support to clients
E911 Dispatcher
Hampton Police Division
Hampton, VA
11.2018 - 01.2019
- Answered emergency and non-emergency 911 calls
- Provided critical information to first responders en route to emergencies throughout the coverage area
- Provided over the phone Emergency Medical Dispatch
Advanced Emergency Medical Technician
Medical Transport, LLC
Virginia Beach, VA
12.2014 - 11.2018
- Trained new employees on day to day ambulance operations, patient care, and report writing
- Acted quickly in emergency situations and used expert judgment to proceed accordingly
- Remained up-to-date on current medical trends and advanced procedures
- Responded to 911 calls and administered emergency care to victims
- Initiated quick and smooth process of emergency situations by communicating effectively with all departments and assisting with preparations and services
Education
Associates - Cybersecurity
Tidewater Community College
Virginia Beach, VA08.2020
Skills
- Firewall management tools
- Firewalls and endpoint security
- Wireless networking support
- Network design optimization
- Troubleshooting
- Application installations
- System performance optimization
- Peripheral repair
- Data recovery
- User training
- Data retention
- Information security
- Technical support
- Helpdesk services
- IT documentation
Certification
- COMPTIA Network+ Certified
Timeline
Internal Information Technology Representative 2
Inmotion Hosting
07.2019 - Current
Applecare Representative
Kelly Services
01.2019 - 07.2019
E911 Dispatcher
Hampton Police Division
11.2018 - 01.2019
Advanced Emergency Medical Technician
Medical Transport, LLC
12.2014 - 11.2018
- COMPTIA Network+ Certified
Associates - Cybersecurity
Tidewater Community College
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