Ronald Jessen
Westminster,Colorado
Summary
With a proven track record at Ascension Technology, Inc., I spearheaded cloud transitions, enhancing network performance by leveraging my expertise in Network Security and exceptional problem-solving skills. My leadership in technical solutions development and client relationship management consistently delivers above expectations, positioning me as a key asset in any technology-driven environment.
Overview
40
40
years of professional experience
1
1
Certification
Work History
Senior Network Engineer
Ascension Technology, Inc
Highlands Ranch, CO
04.2017 - Current
- Led successful transitions from on-site infrastructure to cloud-based solutions
- Identified and resolved network performance issues.
- Configured, monitored, and maintained routers, switches, firewalls, and load balancers.
- Provided technical support for local area networks, wide area networks, virtual private networks and other data communication systems.
President
MBP Technology Inc.
Westminster, CO
03.2009 - 04.2017
- Company Overview: IT Services Provider in the Denver Metro Area providing IT support solutions for small businesses
- Providing on-site and remote support for mixed environments with Windows and Unix servers
- Services included deployment of new Windows servers including Citrix Xenapp 5.0 implementations in a Citrix Xen Server environment
- Supporting multiple clients with various support needs including UNIX and Windows Server support, Desktop Support, Cisco firewalls support, Implementation of spam and URL filtering solutions, remote system monitoring and monitoring and patch deployment solutions
- IT Services Provider in the Denver Metro Area providing IT support solutions for small businesses
Senior Systems Engineer
Enterprise Systems, Inc.
Golden, CO
02.1998 - 01.2009
- Company Overview: Network Security Specialist in charge of router and firewall installation and administration
- Configuration of Cisco routers, firewalls and switches, including voice over IP, and Virtual Private Networks
- Cisco ASA configuration including configuration of IPSEC and SSL VPN’s using RADIUS and Active Directory authentication
- Integrating Cisco IPS solutions with ASA
- Cisco VPN Concentrator (VPN3000)
- Cisco WAN technologies including ISDN, PPP, HDLC, FRAME-RELAY, ATM
- Configuration of routing protocols including RIP, EIGRP, and OSPF
- Installation and configuration on Cisco Unified Communication System for Small Business (UC500)
- Cisco Call Manager Express and Unity Express
- Installation and Administration of Secure Computing product including Sidewinder firewalls and Safeword products
- Configuration of Netgear and Sonicwall firewalls
- Microsoft ISA Server configuration
- Network Security Specialist in charge of router and firewall installation and administration
Unix Installation / Support Specialist
Integrated Medical Systems, INC.
Golden, CO
08.1996 - 02.1998
- Installation and customer support of IMS communication software on SCO XENIX, SCO UNIX, AIX UNIX, DOS, and Microsoft Windows platforms
- Maintain Communications Center for the IMS MEDACOM Colorado Network
- Administration of Windows NT and Windows 95 networks
- Installation and configuration of Microsoft Office, Microsoft Exchange, Lotus Notes, and Microsoft SQL Server
Service Manager, Unix Administrator
Protech Computer Systems
Denver, USA
11.1993 - 08.1996
- Managed the service department for a SCO UNIX repair shop
- Installation and administration of SCO UNIX Systems, Windows NT, and Windows for Workgroup networks
- Configure network adapter, multi-I/O ports, modems and multiplexors
- Provide operating systems and software customer support
- Computer and peripheral troubleshooting and repair
Quality Assurance, Repair Technician
Arbitron Ratings – Denver Repair Center
Denver, USA
04.1993 - 11.1993
- Performed component level repairs on television ratings equipment
- Performed quality assurance test on equipment after repairs were completed
Lead Service Technician
A & E Amusements
Denver, USA
10.1990 - 11.1993
- Responsibilities included shift scheduling and assignments, repair of inoperative equipment, parts ordering, and the training of new technicians
- Service included component level troubleshooting and repair of microprocessors, counter and display circuitry
Electronic Technician
US NAVY
San Diego, CO
10.1984 - 10.1990
- Supervised Electronic Communications Work Center
- Planned and directed work assignments for a team of six technicians
- Responsible for preventative and corrective maintenance of ship’s communications and data processing, and navigation equipment
- Performed diagnostics and repairs on UHF and VHF radio equipment
- Maintained satellite communications links and ensured availability of data networks
- Maintained cryptography equipment used for communications and IFF systems
- Held secret security clearance from 1996 – 1990
Education
Bachelor of Science - Computer Science
Denver Technical College
Denver, Colorado09.1999
Associate of Applied Science - Electronics Technology
Front Range Community College
Westminster, Colorado05.1995
Electronic Technician Training -
Naval Training Center
Great Lakes, Illinois10.1985
Skills
- Network Administration
- Network Security
- Data Center Systems Architecture
- Azure Network Architecture
- Unified Communications Integration
- Wireless Network Design
- Firewall Management Expertise
- Technical Solutions Development
- Remote Desktop Implementation
- Network Performance Assessment
- End-User Training
- Client Relationship Management
- End-User Technical Support
- VLAN Management
- Network Infrastructure Documentation
- MS SQL Database Administration
- Citrix System Design
- Experience with VMware Virtualization Solutions
- Computer Architecture Development
- PowerShell Scripting
- Unix Command Line Scripting
- Linux
- UNIX Administration
- DNS Management
Certification
- Cisco Security Specialist – CCSP, CCNA
- Cisco Router Configuration
- Cisco Voice over IP, Frame Relay, and ATM
- Cisco PIX and ASA
- Cisco Wireless LAN Specialist
- Citrix Certified Enterprise Administrator - CCEA
- Citrix XenApp 4.0 - CCA
- Citrix XenServer 4.0 - CCA
- Citrix Password Manager - CCA
- Citrix Access Gateway with Advanced Access Control - CCA
- Citrix Wanscaler
- Citrix Netscaler
- LeftHand Networks SANIQ Administration
- Secure Computing Sidewinder Administration
- Safeword Administration
- SCO Unix Open Server 5 System Administration
- UNIXWARE 7 System Administration
- IBM AIX Systems Administration
References
References available upon request.
Timeline
Senior Network Engineer
Ascension Technology, Inc
04.2017 - Current
President
MBP Technology Inc.
03.2009 - 04.2017
Senior Systems Engineer
Enterprise Systems, Inc.
02.1998 - 01.2009
Unix Installation / Support Specialist
Integrated Medical Systems, INC.
08.1996 - 02.1998
Service Manager, Unix Administrator
Protech Computer Systems
11.1993 - 08.1996
Quality Assurance, Repair Technician
Arbitron Ratings – Denver Repair Center
04.1993 - 11.1993
Lead Service Technician
A & E Amusements
10.1990 - 11.1993
Electronic Technician
US NAVY
10.1984 - 10.1990
Bachelor of Science - Computer Science
Denver Technical College
Associate of Applied Science - Electronics Technology
Front Range Community College
Electronic Technician Training -
Naval Training Center
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