Joachim A Harris Jr.
Middleburg,USA
Summary
Dynamic and committed team player with extensive expertise in leading diverse teams and providing comprehensive support across a wide range of technologies, including applications, hardware, operating systems, firewalls, VoIP systems, and server environments (Linux & Windows). Recognized as a top-level troubleshooter, adept at swiftly diagnosing and resolving issues on various Windows operating systems. With over twenty years of dedicated service as an infrastructure analyst, a strong foundation in network security, ERP systems, user deployment services, Active Directory accounts in hybrid modes, and Microsoft 365 has been established. Eager to leverage this extensive skill set in a Senior System Administrator role that promotes professional growth while contributing to the advancement of a forward-thinking organization.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Sr System Administration-Help Desk Lead
Bridgestone Hosepower, LLC
Orange Park, Florida
07.2016 - Current
- Provide IT leadership for 800+ employees across 56 branches, managing an average of 20–30 support tickets daily.
- Lead troubleshooting efforts for complex software, hardware, and system issues, ensuring high availability and performance across the organization.
- Mentor and guide system administrators, delegating workload and ensuring adherence to IT standards and policies.
- Administer Active Directory: user lifecycle management, OU structuring, Group Policy creation and maintenance.
- Manage Microsoft 365 (Hybrid): Security, Teams, Exchange Online, Intune, and Azure AD administration.
- Oversee Exchange Admin Center (Hybrid) for mailboxes, groups, shared accounts, and contacts.
- Configure and maintain Windows Firewall rules for secure access control and domain resource protection.
- Maintain Domain Controller services including DHCP, DNS, GPOs, and domain security posture.
- Administer Windows Update Services and endpoint patching across the enterprise.
- Manage SCCM: software packaging, task sequences, OS deployments, and workstation management.
- Maintain VMWare server environments: provisioning, configuration, and performance monitoring.
- Support AWS administration: EC2, S3, IAM, Route53 — including configuration, maintenance, and troubleshooting.
- Provide Tier II vendor support for escalated network/server issues involving third-party providers.
- Handle Firewall administration: port security, LAN configuration, traffic analysis, and rule maintenance.
- Perform network troubleshooting using tools such as Telnet and remote management utilities.
- Serve as InforOS ERP Administrator: troubleshoot sales orders, POs, invoices, warehouse transfers, and perform light DBA tasks.
- Act as Middle-Tier Linux Administrator: manage ERP Linux environments using SSH and remote desktop tools.
- Maintain SharePoint: permissions, workflows, content updates, custom web parts, and administration.
- Support MS Office platforms: OST creation, workflow automation, templates, and reporting.
- Oversee ManageEngine Help Desk, including ticketing workflows, projects, change control, reporting, and asset tracking.
- Manage ManageEngine AD Manager for account provisioning, maintenance, and template administration.
- Lead procurement and vendor negotiations for IT hardware, software, and service contracts.
- Provide training, documentation, and knowledge resources to improve IT efficiency.
- Recognized for adaptability, problem-solving, and the ability to work independently or collaboratively.
System Administrator-Help Desk
Beaver Street Fisheries, Inc.
Jacksonville, Florida
09.2004 - 06.2016
- Delivered 30–40 daily desktop support resolutions for 300 employees, troubleshooting diverse hardware, software, and operating system issues with high efficiency.
- Performed software deployments, reimaging, and workstation rebuilds for desktops and laptops as required.
- Administered Active Directory including new user creation, account maintenance, security group updates, and Group Policy management.
- Managed the Avaya VoIP System, including user provisioning, group and shortcode creation, voicemail routing, system monitoring, and troubleshooting.
- Maintained the Print Server environment, creating new printers, upgrading print drivers, managing copier/printer reports, and supporting software integrations.
- Administered Symantec Anti-Virus, deploying endpoint protection to new users, maintaining existing protection levels, and monitoring/mitigating detected threats.
- Managed Symantec Backup Exec, configuring and executing backup jobs and monitoring backup schedules for data integrity.
- Served as SCCM Administrator, creating software packages, workstation tasks, version upgrades, and OS deployments across the enterprise.
- Conducted Vendor & Contract Management, researching emerging technologies and evaluating vendors to identify optimal solutions..
- Oversaw Windows Update Services through SCCM to deploy and maintain system updates across all endpoints.
- Provided MS Office 365 Administration, including OST file creation, workflow setup, Lync configuration, and report/template development.
- Administered SharePoint, creating user accounts, building workflows, designing document libraries/pages, and maintaining calendars.
- Supported FTP and cloud service operations, troubleshooting and maintaining automated uploads to virtual filing systems.
- Performed VMWare server administration, creating and maintaining virtual servers and supporting various network configurations.
Education
Bachelor's degree - Computer Networking Engineering Technology-Business Administration
Remington College (Tampa University)
Jacksonville, Florida01.2004
Skills
- Palo Alto Firewall
- Barracuda Spam Control
- Manage Engine Desktop Central
- Screen Connect
- Manage Engine AD Manager
- Cisco AnyConnect
- Manage Engine Help Desk
- Microsoft 365 (Hybrid)
- Domain Controller-AD
- Exchange Admin Center
- Print server
- Symantec Anti-Virus
- Symantec Backup Exec
- Microsoft SCCM/Intune
- Vendor & Contract Management
- System Deployment
- All Windows Server Platforms
- All Windows Desktop Platforms
- SharePoint Administration
- Software Administration
- Remote Desktop Support
- MS Office Administration
- InforOS (ERP) Administration
- VMWare Administration
- Linux Administrator
- Avaya VOIP System
- DHCP-DNS
- AWS - Basic
- Friendly, positive attitude
- Teamwork and collaboration
- Customer service
- Problem-solving
- Critical thinking
- Dependable and responsible
- Organizational skills
- Calm under pressure
- Decision-making
- Windows Firewall Rules
Certification
- Certified Microsoft 365 fundamentals
- Palo Alto Firewall Certificate of completion
- AWS Certificate of completion
- Microsoft 365 Security Certificate of completion
Os Platforms
- Advanced in Windows 7, 8, 8.1, 10 and 11
- Novice in Windows Server 2003, 2008 R2, 2012 R2, 2016, 2019 and 2022
- Linux
Hardware
- Switches
- Routers
- Firewalls
- Desktops
- Laptops
- Printers
- Copiers
- Scanners
- Tablets
- Servers
- Mobile devices
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Sr System Administration-Help Desk Lead
Bridgestone Hosepower, LLC
07.2016 - Current
System Administrator-Help Desk
Beaver Street Fisheries, Inc.
09.2004 - 06.2016
Bachelor's degree - Computer Networking Engineering Technology-Business Administration
Remington College (Tampa University)