Sebastian Scherrer
Southfield, Michigan - Linkedin
Work Experience
Core Network Engineer III - Everstream Solutions - Detroit, MI
March 2022 - Present
- Led a team that designed a new Managed Services product offering using Palo Alto Networks NGFW, Juniper switching, and Mist wireless access points
- Implemented central management platform using Palo Alto Networks Panorama and the M-700 platform for PA-220, 440, 460, 3410, and VM series devices
- Created template-based SD-WAN solution for customers with locations across the country, utilizing HA, BGP, and IPSec to improve network performance, increase deployment efficiency and reduce operating costs
- Automated tasks and information gathering with Python and device APIs for administration and deployment/project purposes
- Standardized equipment and policies, and performed complex migrations on existing customer networks to minimize impact on production networks
- Worked with the development team to integrate proactive http webhook alerting into Salesforce to allow for quick response and remediation by our network operations team
Core Network Engineer II - Everstream Solutions - Detroit, MI
September 2019 - March 2022
- Evaluated new technology solutions to determine their potential benefit to the organization
- Implemented and supported networks for customers using Cisco Meraki, Juniper SRX/EX/QFX, Ubiquiti, Extreme and Mist platforms
- Managed and maintained core network equipment for the Everstream service provider network including Juniper MX 204, 480, and 960 devices and Ciena optical transport systems
- Regularly upgraded and maintained equipment to address security and bandwidth capacity needs.
- Created security policies based around customer requirements
- Wrote/reviewed MOPs, SOPs, and participated in change management meetings
- Developed and mentored network operations center team members, provided tier 3 support when escalations occurred
Systems Engineer - Data Tech Cafe, Inc - Madison Heights, MI
March 2016 - September 2019
- Implemented solutions based on customer requirements, including Voice, Wireless/Networking, and Servers
- Developed and maintained policies for patching, monitoring, and disaster recovery
- Managed vendor relationships for the technology solutions we offered such as VOIP, surveillance, and cabling
- Administered WAN/LAN and Cellular backup for customer retail locations using Cradlepoint NetCloud Manager for over 500 locations
- Created automated processes to increase efficiency and reduce troubleshooting time
- Maintained in house workstation provisioning system using Microsoft MDT and WSUS
- Provided Tier III support to service desk staff to ensure customer tickets were handled within SLA
Lead Service Technician - Data Tech Cafe, Inc - Madison Heights, MI
July 2014 - March 2016
- Maintained technology solutions at various facilities, including retail, corporate, medical, and industrial.
- Led a team of traveling technicians in building out IT infrastructure for over 20 T-Mobile retail stores
- Worked with customers to troubleshoot issues and provided training on solutions implemented
- Managed vendors for technology projects, including cabling and VOIP installations
- Led a project to replace printers across 300+ retail store locations, developing an automated solution for on-site technicians
Service Technician - Data Tech Cafe, Inc - Madison Heights, MI
July 2013 - July 2014
- Addressed customer technical problems
- Provided on-location help for important accounts
- Used a ticket system to monitor problems and stay in touch with customers
Receiving Clerk/IT Assistant - Atlas Systems, Inc - Rochester Hills, MI
May 2011 - July 2013
- Active Directory administration and Group Policy management
- Provisioned and maintained desktop hardware for employees
- Provided desktop operating system and application support
Education
Oakland Community College - Auburn Hills, MI
- Associate Degree in Applied Science - Computer Information Systems - Info Tech Homeland Security
- Associate Degree in Applied Science - Computer Information Systems - Computer Support
Vendor Certifications
- Palo Alto Networks Certified Network Security Engineer (PCNSE)
- Palo Alto Networks Certified Network Security Administrator (PCNSA)
- Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)
- Juniper Junos, Associate - (JNCIA-Junos)
- Microsoft Windows Operating System Fundamentals (MTA)