Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

JEFFREY WILLIAMS

ROSEMOUNT,MN

Summary

Network and systems professional prepared to contribute to advanced IT solutions. Deep experience managing and optimizing enterprise-level network and systems infrastructure. Focused on team collaboration and delivering reliable results, adapting swiftly to changing project requirements. Skilled in network security, system integration, and problem resolution.

Overview

21
21
years of professional experience
1
1
Certification

Work History

Network Engineer

DXC Technology
01.2025 - Current
  • Maintain and support enterprise network infrastructure including LAN, WLAN, and DDI systems, ensuring scalable, secure, and high-availability connectivity across hybrid environments.
  • Troubleshoot and resolve critical Layer 2 network issues involving Cisco switching, routing, spanning tree protocols, and TCP/UDP operations.
  • Administer and optimize DNS/DHCP/IPAM services using Infoblox, improving address management and operational efficiency.
  • Coordinate incident response and change management activities using ServiceNow in line with ITIL standards.

Operations Technician III

LUMEN TECHNOLOGIES
10.2017 - Current
  • Responsible for providing technical support for the wireless architecture (HP Aruba) for several US Government agencies, including the Army, Navy, Department of the Interior (DOI), and Air Force, to identify and resolve reported issues.
  • Provided support for the US Senate's migration from PBX to cloud-based VOIP (Broadsoft), ensuring seamless VOIP functionality by monitoring the office's VOIP network.
  • Worked to resolve any reported customer configuration and support issues, ensuring minimal disruption during the transition.
  • Utilize SolarWinds and Web Help Desk to monitor and isolate Layer 2/3 issues across IP platforms, VPNs, and MPLS networks.
  • Possess in-depth knowledge of DS0, DS1, and DS3 circuits, including point-to-point, private line, and Ethernet configurations.
  • Worked with Local Exchange Carriers and internal Operations Centers to maintain active services, ensuring service restoration within defined Service Level Agreements (SLAs).
  • Effectively communicate status updates to customers as needed, and escalate customer and network issues to ensure prompt and efficient resolution.

Network Systems Administrator

SFM MUTUAL INSURANCE
03.2013 - 05.2017
  • Conduct routine maintenance of applications, network infrastructure, and server hardware to ensure security and operational continuity.
  • Administer Active Directory and email services, including account creation, permission management, and deactivation of inactive users.
  • Monitor network and server performance, utilizing alerting systems to promptly address and resolve any performance or security issues.
  • Maintain a comprehensive alert system to track and respond to network concerns and outages.
  • Perform installation and configuration of Windows Server operating systems to meet organizational needs.
  • Develop and implement change control procedures to ensure structured and secure changes to the IT environment.
  • Collaborate with internal customers to provide timely resolution of technical issues, ensuring continuous communication throughout the support process.

Network Systems Administrator

PLS FINANCIAL SERVICES
04.2004 - 03.2013
  • Administered and maintained network infrastructure services, including Active Directory, DNS, DHCP, and email systems to ensure reliable performance and availability.
  • Configured and managed site-to-site VPN connections to provide secure access to remote office locations for support and back-end services.
  • Monitored server activity, performed necessary upgrades, and resolved issues to maintain optimal server performance.
  • Ensured network performance through continuous monitoring and analysis, troubleshooting network issues, and escalating to vendors when necessary to expedite resolution.

Education

No Degree - Project Management

University of St. Thomas
Saint Paul, MN
10-2024

No Degree - Computer Network Engineering

Saint Paul College
Saint Paul, MN

Skills

  • Network configuration
  • LAN switching technologies
  • Layer-2/3 protocols
  • IP addressing and subnetting
  • Network Troubleshooting
  • Change management
  • Network security
  • DNS implementation
  • Firewall configuration expertise
  • Network performance monitoring

Certification

  • CompTIA Tech+ | October 2024
  • Certified Professional Project Manager | October 2024
  • CompTIA Security+ | April 2025
  • CompTIA Cloud+ | May 2025
  • April 2025 CompTIA

Timeline

Network Engineer

DXC Technology
01.2025 - Current

Operations Technician III

LUMEN TECHNOLOGIES
10.2017 - Current

Network Systems Administrator

SFM MUTUAL INSURANCE
03.2013 - 05.2017

Network Systems Administrator

PLS FINANCIAL SERVICES
04.2004 - 03.2013

No Degree - Project Management

University of St. Thomas

No Degree - Computer Network Engineering

Saint Paul College
JEFFREY WILLIAMS