Tamim Masum
Deer Park,NY
Summary
IT professional with hands-on experience in systems administration, VMware virtualization, and network support. Leveraging Active Directory, DNS/DHCP, Windows Server management and Tier 1-2 troubleshooting. CompTIA Security+ certified; currently pursuing a B.S. in Cybersecurity
Active Secret Security Clearance
Overview
4
4
years of professional experience
1
1
Certification
Work History
Data Systems Administrator
United States Marine Corps Reserve
12.2021 - Current
- Active Duty Deployment: (Oct 2024 – Jul 2025, Bahrain).
- Served one year of active deployment, providing IT systems administration, and network support for mission-critical operations overseas.
- Administered AD DS, DNS, and VLAN configurations supporting 150+ nodes across secure DoD networks; enforced NTFS/share permissions in compliance with DISA STIGs.
- Monitored systems using Splunk to review event logs and identify system performance, or security anomalies.
- Deployed, monitored, and patched VMware virtual machines hosting domain controllers, DHCP, Exchange, file servers, DNS, and print servers.
- Installed and routed over 10,000 feet of Cat5e cabling, expanding secure network infrastructure to meet operational demands.
- Rapidly established communication systems for training missions, achieving operational status within 72 to 96 hours.
Accounts Receivable Accountant
Dreamhome LLC
08.2025 - Current
- Processed and reconciled invoices from partner companies—including HomeGoods, TJ Maxx, Bealls, and Winners—ensuring accurate entry, and timely payment tracking.
- Communicated with accounts payable teams from partner companies to coordinate invoice payments ranging from $1,000 to over $100,000.
- Utilized Excel tables and basic SQL queries to organize, analyze, and report on financial data.
- Assisted in migrating enterprise data from the legacy A2000 ERP system to Envision, extracting and cleaning product IDs, pricing, descriptions, and inventory data to ensure accuracy and continuity.
- Demonstrated rapid adaptability by mastering company-specific accounting workflows and ERP tools with minimal training.
- Collaborated with IT and finance staff to troubleshoot ERP data discrepancies, and ensure successful migration and integration.
Special Needs Paraprofessional
Western Suffolk BOCES
01.2024 - 07.2024
- Collaborated with teachers, parents, and therapists to meet the individual educational goals of each student.
- Recorded daily progress, behavioral observations, and health considerations to ensure individualized support and student well-being over the course of two semesters.
- Supported developmental growth for 30 students; 28 demonstrated measurable improvement in eating habits, word association, and response behaviors by the end of the school year.
- Balanced empathy and professionalism when engaging with students.
Education
Bachelor of Science - Cyber Security
Western Governors University
01.2027
Skills
- Windows Server (2016/2019)
- Active Directory
- VMware vSphere / ESXi
- Microsoft Exchange / O365 Administration
- DNS / DHCP Configuration
- VLAN Configuration & Network Cabling (Cat5e/Cat6)
- Cisco Switching & Routing (basic configuration)
- System Imaging & Deployment (PXE, MDT)
- Splunk Log Monitoring & Analysis
- SQL (basic querying)
- Excel (tables, formulas, reports)
Accomplishments
- Executed a large-scale imaging project; successfully deployed 500+ fully configured laptops within one week to support rapid mobilization requirements.
- Provided LAN support to foreign partner forces from 17 countries during a combined military exercise hosted in NSA Bahrain; maintaining network integrity, and operational security throughout.
Certification
- CompTIA Security+ | Active – Expires July 2028
- Cisco Certified Network Associate (CCNA) — Coursework in Progress
- USMC Data Systems Administration Course – 460 Hours
LANGUAGES
English – Native
Bengali – Fluent
Spanish – Intermediate
Timeline
Accounts Receivable Accountant
Dreamhome LLC
08.2025 - Current
Special Needs Paraprofessional
Western Suffolk BOCES
01.2024 - 07.2024
Data Systems Administrator
United States Marine Corps Reserve
12.2021 - Current
Bachelor of Science - Cyber Security
Western Governors University