Information Technology System Administrator

Margie Mallery

Largo FL 813-***-**** **********@*****.***

Summary

Dynamic Information Technology Associate with over 10 years of comprehensive experience in network and system administration. Proficient in troubleshooting firewalls, switches, and access points, including SonicWall, Cisco Meraki; Ubiquiti and Palo Alto; with a proven track record of enhancing cybersecurity measures and managing user in Azure Entra ID. Successfully supported over 5000 users while delivering meticulous documentation and efficient ticket management. Eager to leverage extensive technical expertise and problem-solving skills to optimize IT operations and contribute to organizational success.

Experience

NETWORK/SYSTEM ADMINISTRATOR 04/2023 – Pres

Technology Resource - Largo, FL

Deploying and configuring virtual machines, storage accounts, networking components, (SonicWall, Cisco Meraki and Ubiquity) and other Azure resources.

Implementing security policies, managing access controls, and ensuring compliance with organizational and regulatory requirements.

Monitoring the performance of Azure services, identifying bottlenecks, and optimizing resource utilization to improve efficiency and reduce costs.

Setting up and managing backup and recovery solutions to protect data and ensure business continuity in case of failures.

Investigating and resolving issues related to Azure services, networking, and security.

Utilizing automation tools and scripting languages (e.g., Azure PowerShell, Azure CLI) to streamline tasks and manage the environment efficiently.

Working with other teams, such as developers, security professionals, and business stakeholders, to deliver and support Azure-based solutions.

Administering user accounts, groups, and applications within the Entra ID environment.

Configuring and managing security policies such as Conditional Access, MFA, IAM and other security features to protect sensitive data and resources.

Ensuring seamless integration of Entra ID with other enterprise applications and systems, often through Single Sign-On (SSO) and other authentication methods.

Addressing user issues and technical problems related to identity and access management, including password resets and access provisioning.

Monitoring the health and performance of Entra ID services, generating reports on user activity and security posture, and identifying potential issues.

Configured and troubleshot SonicWALL firewalls, Cisco switches and Cisco access points sites.

Administer user devices using Azure Endpoint Management encompassing creation, monitoring and disabling.

Created various document for new user's devices and setting up sites.

Supervised daily network, system, and server operations for optimal performance.

SYSTEM ADMINISTRATOR 03/2022 – 04/2023

Tidal Basin - Lake Mary, FL

Configured and troubleshot SonicWALL firewalls, Cisco switches and Cisco Meraki access points across all Tidal Basin sites.

Executed L1-L3 troubleshooting to identify and resolve complex network issues.

Administered user accounts utilizing IAM in Azure Entra ID, encompassing creation, disabling and monitoring.

Administer user devices using Azure Endpoint Management encompassing creation, monitoring and disabling.

Created various document for new user's devices and setting up sites.

Supervised daily network, system, and server operations for optimal performance.

Conducted and security audits by running reports on logon errors, updates, disabled accounts, and license associations, SaaS, leveraging Microsoft Azure security tools and reports extensively.

Oversaw daily network, system, and server operations, evaluating risks, developing backup processes, and updating infrastructure to enhance efficiency and mitigate potential threats.

Implemented a migration of DHCP services to the SonicWall router at the main site in Utica, streamlining network management and optimizing resource allocation.

Spearheaded initiatives to enhance cybersecurity measures, including overhauling asset management systems, reviewing processes for equipment return, and providing technical support to deploy and configure security systems such as cameras and fob/badge access systems.

ONSITE SUPPORT SUPERVISOR (Contract) 07/2021 - 09/2021

JSG - Tampa, FL

Directed and managed day-to-day client support operations, utilizing a combination of onsite and remote networking strategies to ensure seamless device connectivity and enhance user satisfaction.

Utilized strong problem-solving skills to promptly diagnose system emergencies and incidents, followed by effective resolution.

Facilitated knowledge transfer by conducting comprehensive assessments and providing hands-on training to onboard new staff members, covering hardware, office software, and specialized applications, thereby bridging knowledge gaps and fostering a skilled workforce.

Provided effective supervision and motivation to team members, fostering an environment of high performance and productivity, while ensuring adherence to quality standards and client service excellence.

Implemented thoughtful system improvements based on user feedback and communication, resulting in enhanced user experience and increased operational efficiency across the unit's support activities.

JR. NETWORK ADMINISTRATOR 08/2018 - 02/2021

Operation PAR - Largo, FL

Used SolarWinds as the RMM for all 3 sites

Installed Meraki and Ubiquiti Access Points at three separate locations to enhance employee connectivity.

Setup, replaced and installed Engineered VLAN’s in Cisco switches Meraki and Ubiquiti Access Points.

Setup, replaced and installed and managed over 30 SonicWall’s and Palo Alto Firewall sites

Setup and Replaced 30 SonicWall’s at all Boley Sites.

Collaborated with vendor representatives to provide timely assistance and support to over 500 employees, ensuring resolution of software and hardware issues with 100% accuracy.

Configured and administered user accounts in Microsoft environments, including IAM in Azure AD, Intune, MDM, Entra ID, Office 365, Group Policy, Microsoft Comp Portal, Saas, Authenticator, and OneDrive, enhancing data protection and user flexibility/control.

Played a key role in server administration and maintenance tasks, such as patching, backups, and general upkeep, ensuring the integrity and continuity of the corporate network.

Oversaw the installation and setup of camera and badge reader systems at various sites, ensuring effective physical security measures were in place.

Provided supervision and guidance during the installation process, ensuring adherence to safety protocols and optimal system performance.

TECHNICAL SUPPORT TECHNICIAN (CONTRACT) 09/2017 - 03/2018

Just Add Power - Largo, FL

Provided expertise in architecture processes, guiding custom installers to successfully implement systems across diverse environments, ensuring seamless integration and functionality.

Delivered round-the-clock support to over 8000 users, utilizing comprehensive knowledge of computer networking, Windows, and Linux systems to promptly address and resolve technical issues, ensuring uninterrupted operations.

Demonstrated exceptional customer service skills by thoroughly analyzing user problems and implementing appropriate corrective actions, resulting in a 100% customer order fulfillment rate and high levels of satisfaction.

Collaborated with cross-functional teams to assess system requirements, develop implementation strategies, and execute efficient deployment plans, enhancing overall system performance and reliability.

Maintained meticulous documentation of system configurations, troubleshooting procedures, and support activities, facilitating knowledge sharing and ensuring continuity of operations.

IT SUPPORT/ACTING DIRECTOR 12/2015 - 03/2017

St Vincent de Paul - Saint Petersburg, FL

Setup, replaced and installed managed Cisco switches; Access Points and Palo Alto Firewall.

Oversaw the management of technical resources, including budgeting, forecasting, and cash flow handling, ensuring cost-effectiveness and efficient allocation of funds.

Conducted installations, configurations, and updates of workstation operating systems and application software, utilizing standard business and administrative packages to maintain optimal system performance.

Acted as a technical resource for over three departments and users, promptly resolving equipment and data challenges by conducting diagnostics, analyzing issues, and implementing solutions to prevent recurrence.

Implemented proactive maintenance strategies to minimize downtime and enhance system reliability, resulting in improved overall operational efficiency.

Collaborated with cross-functional teams to streamline processes and optimize system performance, contributing to increased productivity and user satisfaction across the organization.

SYSTEM ADMINISTRATOR (CONTRACT) 04/2015 - 07/2015

Kizen Technologies - Ellenton, FL

Improved network connectivity for a large-scale environment by proficiently setting up, imaging, installing, and maintaining over 500 Dell laptops within a LAN/WAN infrastructure.

Utilized meticulous attention to detail to conduct comprehensive testing and investigation of hardware and software components across LAN/WAN networks, Cisco switches, Access Points, workstations, servers, and other relevant devices.

Enhanced operational efficiency by developing and maintaining user accounts within VMware, facilitating streamlined processes and tasks associated with user management.

Collaborated effectively with cross-functional teams to ensure seamless integration and functionality of hardware and software systems within the network environment.

Played a key role in maintaining system integrity and security by implementing best practices and protocols in accordance with industry standards and organizational policies.

LAN ADMINISTRATOR 12/2013 - 02/2015

Firstsource - Tampa, FL

Directed a team of 115 personnel, overseeing shift assignments and providing comprehensive training programs, resulting in increased productivity and successful goal achievement.

Ensured seamless operation of Microsoft Active Directory, DHCP, and DNS servers through proactive maintenance and prompt repair actions, effectively minimizing system downtime.

Leveraged strong interpersonal skills to collaborate with internal IT support teams and external third-party vendors, facilitating discussions to identify and resolve complex technical issues promptly and efficiently.

Supervised the installation and configuration of advanced security systems, including cameras, biometric devices, and badge readers, to enhance physical security measures across the organization.

Managed employee access and permissions within the network infrastructure, proficiently adding and removing user accounts as needed to maintain data security and compliance standards.

SYSTEM/NETWORK ADMINISTRATOR 03/2010 - 04/2013

Computer Tech Resources Corp. - Ft Myers, FL

Established and maintained Active Directory accounts for users, PCs, and groups across Windows Server 2003/2008/R2 platforms, ensuring smooth user access and system functionality.

Implemented user profiles and set permissions using Linux Script to enhance security protocols within the network environment, ensuring data integrity and access control.

Monitored and managed Trackit tickets efficiently, conducting audits on over 50 desktops and laptops to bolster physical security measures and compliance standards.

Successfully improved system uptime by 60% through proactive troubleshooting and restoration of backup processes utilizing VRanger, Buffalo, Acronis, Symantec, and Microsoft Shadow Copy.

Played a pivotal role in enhancing data protection and disaster recovery capabilities by overseeing the implementation and maintenance of diverse backup solutions, ensuring business continuity in the event of system failures.

Education Certifications

Bachelor of Science in Computer Information System, Florida Gulf Coast University

Lee County Tech School: Cisco switchers and routers, CCNA

Campbell County Tech School: Data Processing

Microsoft Certificate of Achievement

Awards: Davis Productivity Award for outstanding commitment and service - State of Florida

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