James Martinez
Chicago,IL
Summary
Proven success in all aspects of systems availability, setup, and training. Strong experience supporting system engineering for applications & systems including, problem-solving, configuration, and implementation efforts for large and/or complex projects. Dedicated to operational excellence and continual improvement of business systems.
Overview
20
20
years of professional experience
1
1
Language
Work History
IT System Administrator
Power Stop LLC
Burr Ridge, Illinois
08.2024 - 07.2025
- Administer a hybrid Microsoft Active Directory structure.
- Manage Azure, Active Directory, Group Policy, scripting, Intune, MS Defender for endpoints, Office 365
- Management of both standalone and corporate O365 implementations, including DNS / mail setup and general management of admin centers inside O365 (including AD sync).
- Conducting analysis and recommendations of Microsoft Entra ID and Active Directory environment
- INTUNE configuring and managing security tools and policies in Microsoft 365 and Group Policy for Domain environments.
- INTUNE Deploy, configure, and manage endpoint devices and client applications.
- Implement and manage security policies for endpoint devices.
- Monitor and troubleshoot endpoint-related issues.
- Maintained Office 365, Cisco switches, Palo Alto firewalls, Meraki Switches/Access Points, and other network devices.
- Managed security and access controls for various software applications including ERP, WMS, and other enterprise software.
- Monitored network performance and troubleshooted issues.
- Conducted regular network backups and disaster recovery tests.
- Implemented and managed data backup solutions and disaster recovery plans.
- Installed and configured network hardware and software.
- Maintained documentation of network topology and configurations.
- Provided first and second-level helpdesk support and resolved problems.
- Supported, monitored, tested, and troubleshooted hardware and software problems on all Windows/Linux/Unix servers.
- Installed new software releases, system upgrades, evaluated and installed patches, and resolved software-related problems.
- Planned and performed appropriate procedures, documentation, inventory assessment, and other procedures related to IT infrastructure.
- Maintained, monitored, and analyzed system components, making recommendations regarding computer system security.
- Conducted software and hardware evaluations, provided technical analysis, and implemented systems to meet IT goals.
- Worked with a team to automate management tasks, streamline processes, and perform standard administration functions.
- Maintained systems’ security and compliance through patch management, proper access rights, and endpoint security.
- Educated and enforced password complexity and change requirements and other Active Directory Security Policies.
Senior Network Administrator
Classic Color
Bridgeview, Illinois
05.2023 - 08.2024
- Migrating Microsoft Server, 2012/2016 to an Active Directory Domain
- Migrating from the Kerio Mail system to Microsoft Exchange O365
- Experience with Microsoft 365 technologies, Azure, and Intune.
- Migrating systems to FortiGate Firewall/Switches/APs
- Responsible for system security vulnerabilities, planning, designing, and deploying patches and fixes.
- Creating and managing the Hyper V on-site solution.
- Verifying and configuring the systems backup solution
- Discover and review all Backups and recovery solutions using Retrospect.
- Excellent communication and documentation skills.
- Deploy new virtual servers/appliances, including domain controllers, DNS, and DHCP servers.
- Monitor and configure the secure FTP administrator of CrushFTP.
- Responsible for maintaining security authority certificates on all public-facing web servers.
- Maintains and secures wireless network infrastructure.
- Develops and implements sound business solutions that meet IT objectives, increase efficiencies, cost savings for IT support and maintenance.
- Research, develops, tests, and implements new technologies and recommends software, hardware, equipment and best practices/approaches/methodologies that enhance IT performance capabilities.
- Responsible for identifying areas of potential risk and recommending remediation.
- Responsible for IT security audits (GDPR/PCI/ISO)
- Lead concierge-level VIP support for executives (C-Suite), including offsite support.
- Research to understand, explain, and resolve technology issues.
- Support and troubleshoot AV systems for conference rooms.
- Migrating to the O365 Platform and managing all tenants
- Managing Email through MIMECAST
- Global DNS Admin using Cloudflare
- Experience with Active Directory, Exchange, Azure, User and Resource Management
- Experience with SharePoint
- Manage and Monitor Apple macOS using JAMF Pro/Protect
- Administer and support Windows/Mac/iOS and Android OS environments.
- Responsible for all network security practices, patching, and anti-virus program
- Leading operational projects regarding infrastructure/Network and Security
- Providing targeted communications to the organization, stakeholders, and management on upcoming projects
- Designing, developing, and implementing IT solutions.
- Configures and implements core and edge switches and maintains DNS and DHCP server connectivity.
- Deploy new virtual servers/appliances, including domain controllers, DNS, and DHCP servers.
- Monitor and configure the secure FTP administrator of CrushFTP.
- Responsible for maintaining security authority certificates on all public-facing web servers.
- Maintains and secures wireless network infrastructure.
- Develops and implements sound business solutions that meet IT objectives, increase efficiencies, conserve resources, and result in agency cost savings for IT support and maintenance.
- Researches, develops, tests, and implements new technologies and recommends software, hardware, equipment and best practices/approaches/methodologies that enhance IT performance capabilities.
Lead Systems Administrator- Internal Services - Information Technology
Deloitte LLP
Chicago, IL
09.2015 - 05.2023
- Leading operational projects regarding infrastructure/Network and Security
- Assist in the Designing and Configuration for IT infrastructure network changes in the Chicago Greenhouse site.
- Identify business requirements and deliver cost-effective solutions to the organization.
- Create Regulated security controls for System Data Following Regulatory Standards
- Local Domain and Security Administrator
- Network Administrator of Windows 2008 R2/2012 R2 Server 2019 Server infrastructure
- Manage Domain DNS, DHCP, and Active Directory
- Performed Maintenance on Servers, Utilizing system performance tools, Patch upgrades.
- Performing Security inspection on all Data using Microsoft Base line security Tool
- Local Desktop support
- Primary contact for remote users
- Local administrator for SQL 2008/2012/2016 Server
- Local administrator for Crestron systems
- Install and manage Wearable technologies 3D printing/Microsoft Holo Lens AV Smart solutions.
- Global Security Groups including Active Directory Groups
- Email Groups/Security Groups
- External Vendor relationships
- Desktop Imaging for new Mobile device Builds
- Administrator of Local Zoom Meetings
- Audio/Visual
- Technical contact for Level 3 issues regarding infrastructure issues
IT Engineer-Infrastructure Services
Duff and Phelps Investment Management
Chicago, Illinois
05.2005 - 09.2015
- Design Configuration for IT infrastructure network and supervise its implementation.
- Identify business requirements and deliver cost-effective infrastructure solutions.
- Deployed Microsoft DFS
- Network Administrator of Windows 2003/2008 R2 Server infrastructure
- Installation and Management of Check Point Endpoint Security
- Administrator of SIEM (Cisco MARS)
- Manage Domain DNS, DHCP, and Active Directory
- Installation and configuration of SQL Server 2005/2008 and SSRS
- Installation of SharePoint 2010 Enterprise Server
- Backup Administrator using Arcserve R16.5
- RSA Security Administrator r7.1
- Primary Lotus Notes Administrator
- Administer and maintain Microsoft Exchange 2010
- Primary Blackberry Enterprise Server Administrator 5.0.4
- Good Mobile Control 2.4.0.501
- Performed Maintenance on Servers, Utilizing system performance tools, Patch upgrades
- Performing Security inspection on all Data using Microsoft Base line security Tool
- Firewall / VPN Administrator ASA 5520
- Cisco Call manager 8.0 Administrator
- Local Desktop support
- Primary contact for remote users
- Antivirus Management using McAfee EPolicy Orchestrator
- Primary contact for Disaster Recovery Site, Responsible for SEC requests for Email Audits
- Support of Trading Systems-Bloomberg
Education
AAS -
Moraine Valley CC
9000 College Pkwy, Palos Hills, IL 6046508.2010
Skills
MacOS and Windows
- Experience with MDM / RMM solutions
- Microsoft Active Directory design and migration
- Experience with Cisco, Cisco Meraki and UniFi switches
- Office 365 administration
- SQL Server setup and security
- Microsoft Azure
- LAN
- Network Administration
- Technical Support
- System Administration
- VPN
- Cybersecurity
- WAN
- Network Engineering
- Disaster Recovery
Timeline
IT System Administrator
Power Stop LLC
08.2024 - 07.2025
Senior Network Administrator
Classic Color
05.2023 - 08.2024
Lead Systems Administrator- Internal Services - Information Technology
Deloitte LLP
09.2015 - 05.2023
IT Engineer-Infrastructure Services
Duff and Phelps Investment Management
05.2005 - 09.2015
AAS -
Moraine Valley CC
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