BRIEN TENNEFOSS
Richland,WA
Summary
Dynamic Information Security and Systems Specialist with over five years of expertise in hybrid infrastructure management, network security, and endpoint administration. Strong foundation in Windows and Linux environments, complemented by proficiency in vulnerability scanning and secure configuration practices. Committed to effectively communicating complex technical issues, developing comprehensive process documentation, and enhancing secure IT operations to support HAPO's mission of delivering exceptional technology services.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Internal Information Technology Representative II
InMotion Hosting
07.2019 - Current
- Administer security, endpoint, and network systems across a hybrid multi-office infrastructure supporting 400+ employees.
- Performed vulnerability scans, endpoint patching, and account audits to maintain security baselines and reduce exposure.
- Implemented and monitored Cloudflare Zero Trust and VPN configurations, improving access control and traffic security.
- Collaborated with senior administrators to develop and refine internal security policies and documentation.
- Authored incident response guides and onboarding procedures to streamline IT workflows and improve response times.
- Assisted with transition from Google Workspace to Microsoft 365 with enhanced access control and data retention policies.
- Regularly researched and applied emerging security practices to align operations with compliance frameworks.
Technical Support Representative
Kelly Services (AppleCare Division)
01.2019 - 07.2019
- Provided remote technical and security support for Apple macOS and iOS devices, troubleshooting connectivity and authentication issues.
- Documented recurring technical and security incidents, contributing to improvements in system hardening and knowledge base resources.
E911 Dispatcher
Hampton Police Division
11.2018 - 01.2019
- Managed secure communication channels during high-stress situations, emphasizing accuracy, data integrity, and confidentiality.
Education
Associate of Applied Science - Cybersecurity
01.2022
- Graduated with Honors
- Dean's/President's List every semester
- Phi Theta Kappa Honor Society
Skills
- Information Security & Risk Management
- Vulnerability Assessment & Threat Monitoring
- Incident Response & Phishing Simulation Design
- System Hardening & Patch Management
- Windows & Linux Administration
- Cloud Security (Azure, Cloudflare Zero Trust)
- Scripting & Automation (PowerShell, Bash)
- Network Security & VPN Management
- Documentation & Training Development
- Operating Systems: Windows Server 2016-2025, Windows 10/11, Linux (Ubuntu, CentOS)
Additional Information
Experienced in developing and maintaining secure configurations across on-prem and cloud systems., Strong communicator with proven ability to explain technical issues and mentor peers., Committed to continuous learning, security awareness, and professional growth within the InfoSec field.
Certification
- CompTIA Network+
- Pursuing CompTIA Security+
Work Preference
Work Type
Full TimeLocation Preference
RemoteHybridOn-SiteTimeline
Internal Information Technology Representative II - InMotion Hosting
07.2019 - Current
Technical Support Representative - Kelly Services (AppleCare Division)
01.2019 - 07.2019
E911 Dispatcher - Hampton Police Division
11.2018 - 01.2019
Tidewater Community College - Associate of Applied Science, Cybersecurity