ANDREW NEWBOLD
Senior Network Engineer
St. Claire,MO
Summary
Senior Network Engineer building and hardening hybrid environments across networking, cloud, and identity platforms. Leads Active Directory, Entra ID, Intune, and Azure work supporting 200+ systems and protecting 250,000+ emails per day across acquisition migrations, remote access, and secure administration. Strengthens uptime and control through DNS, DHCP, firewall, monitoring, and scripting automation.
Overview
17
17
years of professional experience
Work History
Senior Network Engineer
Sullivan Bank
11.2025 - 03.2026
- Added 4 Manage Engine modules for efficiencies and recommendations on improvements
- Designed and implemented secure network infrastructures, enhancing data protection across banking operations.
- Led troubleshooting efforts for complex network issues, minimizing downtime and ensuring operational continuity.
- Mentored junior engineers, providing guidance on best practices and fostering professional development within the team.
- Evaluated emerging technologies, recommending upgrades that improved scalability and efficiency of network systems.
- Streamlined incident response processes, reducing resolution times and enhancing overall customer satisfaction with network services.
- Documented standard operating procedures for network management, establishing consistent practices across engineering teams.
- Monitored network activities to quickly detect and resolve operational and security issues.
- Configured, tested and maintained LAN/WAN components and connections.
- Evaluated Solarwinds and made adjustments for efficiencies and recommendations on improvements. this improved monitoring reliability by 20%
- Stood up a new remote work system using Ubiquiti equipment for more than 60 users configuring more than 80 devices
- Converted more than 100 Virtual Desktop devices from Stradodesk to IGEL modernizing the VDI environment
- Work on hardening admin credentials and service accounts
Cloud Engineer (Remote)
Bunzl Distribution
08.2023 - 11.2025
- Support email retention, recovery, and litigation holds including litigation searches for evidence for more than 3,000 users
- Ensured maximum uptime for global cloud systems by managing M365, Entra ID, Teams, and OneDrive for more than 3,000 users
- Automated threat protection using Darktrace AI, Cisco CES, and M365 to defend critical cloud infrastructure
- Integrated Microsoft Intune to automate device enrollment and policy enforcement, significantly reducing manual operational toil
- Managed complex networking configurations including MX records, SPF, DKIM, and DMARC maintaining secure mail flow
- Troubleshoot cloud application integration issues via APIs, coordinating between development teams and operations
- Manage and support Intune enrollment and conditional access policies for more than 900 devices
- Audit support for PAM and IAM solutions through Manage Engine which helped our audit succeed
- Manage all aspects of M365, EntraID, Teams, and OneDrive for more than 3,000 users
- Monitoring through Solarwinds and WhatsUpGold for 300+ nodes
- Setup routes within azure for 200 nodes
- Responsible for DNS management for more than 300 servers and applications
- Managed roles, internal networks between thousands of servers and the networking side of Azure
- Support email through Cisco CES, M365, and Darktrace AI web-based appliance supporting more than 250,000 emails per day
- Support more than 100 applications in the cloud via APIs
- Support automated emails from applications hosted on the AS400 farm
- Maintain the MX records, SPF, DKIM, and DMARC configuration
- Maintain and support 50 SQL servers for the developers
- Maintain and support more than 300 Windows Servers (2012-2025)
- Powershell scripting to support daily Windows Server tasks and Exchange Management improving efficiency
- Reduced the time for onboarding by 15% with PS scripts
- Cloud Powershell Scripting to manage and support users in Azure and M365
- Support more than 100 warehouse production servers and 500 zebra scanners and printers
Exchange/M365 Administrator
MEMC Electronic Materials Inc.
10.2021 - 08.2023
- Manage all aspects of Intune for more than 100 enterprise devices and more than 50 personal devices
- Developed Intune MDM and MAM solutions for more than 100 enterprise devices
- Developed Intune MDM conditional access policies for more than 100 enterprise devices
- Developed Intune MAM conditional access policies for more than 50 personal devices
- Developed an Intune enrollment script for more than 100 enterprise devices that were EntraID joined
- Developed Intune compliance policies to ensure devices met organizational and ISO requirements for over 150 devices
- Developed MAM App Protection Policies to prevent data leakage upon loss or theft
- Implemented policies to wipe devices if compromised or lost
- Monitored daily reports from Intune for irregular device access (Example. Device outside of Region)
- Managed an Exchange Hybrid deployment for more than 2000 users
- Powershell Scripting to manage and support Exchange hybrid environment
- Manage on-premises Exchange Servers
- Manage users, groups, and resources through Active Directory
- Manage and support Azure virtual machines and storage spaces
- Manage and maintain the Azure Active Directory infrastructure
- Support and troubleshoot mail flow
- Manage and support Azure Active Directory Connect
- Implement and maintain DRM, DLP, retention policies
- Monitor and manage email encryption and threat protection
- Manage end-user mailboxes, shared mailboxes, calendars, and delegations
- Maintain the global address book
- Support and troubleshoot synchronization through Azure AD Connect
- Manage eDiscovery and litigation holds
- Manage and maintain Microsoft MFA
- Streamlined administrative processes to enhance operational efficiency across multiple departments.
- Handled sensitive information discreetly, maintaining strict confidentiality at all times as required by company policy or legal regulations.
- Provided exceptional customer service to both internal and external stakeholders through prompt response times and thorough issue resolution efforts.
Tier 3 Network Field Engineer
CDS Office Technologies
09.2020 - 10.2021
- MS Office and Office 365 configuration and administration
- Configured, managed and replaced Palo Alto, Juniper and Cisco Meraki equipment for 60+ clients which included routers, switches and firewall rules / policies
- O365 migration from other platforms including Google Workspace
- Azure Active Directory administration
- Server 2012-2019 administration
- Network and server monitoring through Solarwinds, Nagios, and Microsoft Network Monitor
- Active Directory administration
- Microsoft Hyper-V configuration and administration
- VMWare configuration and administration
- Different Firewalls, Switches, Routers, and Load Balancer administration
- Datto Enterprise backup and restore
- Cable installation and maintenance
- Aruba and Cisco wireless solution administration
- Desktop and application support
- Copier and printer support
PC Support Technician
Allstaff Solutions
01.2019 - 09.2020
- Desktop support for Windows 10 1709
- Imaging laptops, desktops and tablets with a base image from DOD
- Copier and printer support
- Support applications required by the corps to perform daily duties
- Support the network under guidance of the local system administrator
- Monitor updates being pushed
- Work with the logistics team to track and maintain proper documentation of ownership
IT Operations Technical Support 2
CenturyLink Technology Solutions
11.2017 - 01.2019
- VMWare administration- Windows Server 2000-2012 and RHEL/Linux/Unix servers
- Microsoft Active Directory administration
- Use of a trap and alert system to case new tickets through SNMP communications
- Troubleshooting day to day issues in accordance with company guidelines while documenting through a work order system
- Creation and changes of DNS entries for Windows and RHEL
- Monitoring and managing of C drive and /var mounts
- Troubleshooting pool member disconnects and communication issues
- Monitoring and resolving SNMP traffic issues
- AWS and MS Azure virtual environments
Systems Administrator II
Tapestry Solutions
05.2016 - 11.2017
- Managed server infrastructure to ensure optimal performance and reliability
- Implemented security protocols to safeguard sensitive data and maintain compliance
- Administered user accounts and permissions across various systems and applications
- Provided technical support for hardware and software issues, enhancing user experience
- Led system upgrades and migrations, improving overall system functionality and efficiency
- Conducted regular system audits to identify vulnerabilities and implement corrective measures
- Provisioned new software and hardware for use, following established security policies
- Network infrastructure support
- VMWare administration- Windows Server 2008/2012 and RHEL/Linux servers
- Microsoft Active Directory and LDAP administration
- Testing of new solutions to issues within a sandbox server
- Support use of wireless access points for developers
- Support use of IP phones
- Maintaining security of physical and virtual aspects of the network, servers, and clients
Network Administrator
Union RXI School District
02.2010 - 05.2016
- Support more than 3,000 users in an AD Domain and more than 2,500 laptops, desktops, chrome books, VOIP phones, printers and portable devices such as iPads and cell phones
- Administer Active Directory for more than 3,000 users
- Maintain more than 40 servers through VMWare
- Managed 2 Exchange Servers for high availability and more than 1,500 mailboxes
- Performed maintenance and patching on more than 40 servers (2008, 2012)
- Discussed and improved security practices for users, clients, and servers which helped improve our infrastructure security by 30%
- Created operating system images through Microsoft System Center reducing installation time by 15%
- Solved day to day computer issues according to a work order system completing, on average, 50 work orders per day
- Support more than 50 networked and local printers
- Use Veam for 30 virtual servers and use Norton Enterprise backup for 4 physical domain controllers
- Support district more than 30 cell phones and more than 100 VOIP devices
- Support more than 70 video surveillance cameras
- Support many third party programs including MS Office, a student information system, AutoCAD, Adobe Premiere, and software that is required by the state of Missouri Support software from third party vendors that deal with K-12 education
- Using System Center, patched more than 2000 devices on a monthly cycle
- Ran more than 18 miles of networking cable
- Ran and spliced more than 3 miles of fiber optic cable
- Configured more than 50 3com and HP switches and maintianed the central firewall rules
Computer Information Specialist
US Army Reserves
11.2008 - 09.2021
- Managed government Microsoft network
- Developed and maintained information systems to optimize data management processes.
- Provided technical support for software applications, ensuring operational efficiency across units.
- Trained personnel on system usage and best practices, enhancing overall team performance.
- Implemented security protocols to safeguard sensitive information against unauthorized access.
- Managed patient tracking servers and clients
- Managed more than 300 users
- Run network cable
- Resolve daily desktop and laptop problems
Education
AAS - Computer Information Systems
- Three classes from completion
- Phi Theta Kappa Honor Society February 2012-present
- Vice President's Academic Honors List Fall 2011
Skills
PowerShell scripting
Microsoft Intune
Microsoft Entra ID
Microsoft 365 administration
SolarWinds monitoring
Cisco ACI
Manage Engine SME
Identity migration planning
Access provisioning
Mail flow troubleshooting
Device enrollment support
Server patch management
Security policy enforcement
Audit report preparation
Incident response support
Documentation management
Cross-team coordination
Spam and Phishing campaign support
MX records, DKIM, SPF, and DMARC support
Network segmentation
Load balancer configuration
DHCP management
DNS management
Firewall rule management
Disaster recovery testing
Configuration management
Timeline
Senior Network Engineer - Sullivan Bank
11.2025 - 03.2026
Cloud Engineer (Remote) - Bunzl Distribution
08.2023 - 11.2025
Exchange/M365 Administrator - MEMC Electronic Materials Inc.
10.2021 - 08.2023
Tier 3 Network Field Engineer - CDS Office Technologies
09.2020 - 10.2021
PC Support Technician - Allstaff Solutions
01.2019 - 09.2020
IT Operations Technical Support 2 - CenturyLink Technology Solutions
11.2017 - 01.2019
Systems Administrator II - Tapestry Solutions
05.2016 - 11.2017
Network Administrator - Union RXI School District
02.2010 - 05.2016
Computer Information Specialist - US Army Reserves
11.2008 - 09.2021
East Central College - AAS, Computer Information Systems
TRAINING
- United Stated Army Advanced Individualized Training Computer Information Specialist, 2009 Honor
- Graduate Courses Taken: Cisco: Switches and Routers A+ Unix Windows Servers and Desktops Solaris