Marc A. Casellas

Experience

• 

  Burlington Stores, Inc.

  May 2017 - Sept 2020

  Sales Associate

  • Provided superior customer service while making their shopping visit a pleasant experience• Operated POS cash register; handling over 1,000+ transactions daily with success• Mentored several co-workers to develop POS experience• Assisted customers on requesting for store credit cards with 20+ applications in a week

• 

  Children of Promise, NYC

  Sept 2018 - Dec 2018

  IT Support

  • Administered the creation, management, and support of 50+ user accounts• Troubleshot 25+ nodes with hardware/software compatibility issues• Managed numerous ethernet wires with cable management tools• Shelved and verified inventory of various computer equipment

• 

  Party City

  Oct 2018 - Oct 2018

  Sales Associate

  • Supplied over 150+ costumes in stock for next day’s distribution

• 

  Monroe College

  Oct 2019 - Dec 2019

  IT Peer Tutor

  • Delivered adequate IT tutoring to at least 10 students daily• Collaborated with the IT department to resolve technical issues• Maintained 32+ nodes and troubleshoot 3 printers• Performed miscellaneous duties to oversee the completion of the educational process

• 

  Hongjing International Education

  Oct 2019 - May 2021

  Business Development Consultant

  • Designed and developed over 10+ client profiles for technical placements• Generated several leads from Fortune 500 companies• Yielded 5+ job interviews for clients weekly• Coordinated with clients to strategize a marketable profile

• 

  Compton Eye Associates

  Nov 2019 - Jan 2020

  IT Support Specialist

  • Deployed 3 securely configured WiFi networks including a guest network with a login page

• 

  Coder Kids, Inc.

  Feb 2020 - Mar 2020

  Enrichment Program Tutor

  • Taught a class of 7 students on the coding foundations of the Scratch programming language• Followed up on the student's progress by encouragement and reinforcement of assignment completion

• 

  U.S. Census Bureau

  Aug 2020 - Oct 2020

  Enumerator

  • Enumerated nearly 100 residential units daily including houses and apartment buildings• Practiced confidentiality and reassurance of information privacy in all interviews

• 

  New York Army National Guard

  Jan 2021 - now

  • Validated the Warfighter Informational Network-Tactical (WIN-T) Increment 1 architecture with secured communication interoperability• Provisioned 5 Windows domain controllers and 3 phones on Cisco Unified Communicated Manager for enterprise networks• Configured route patterns, lists, and groups on Cisco Unified Communication Manager (CUCM)

  • Senior Information Technology Specialist

    Apr 2024 - now

  • Information Technology Specialist

    Jan 2021 - Apr 2024
• 

  East Side House Settlement

  Jan 2022 - May 2022

  IT Systems Administrator

  𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝗲𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝘄𝗶𝘁𝗵 𝗩𝗮𝗰𝗼• Established the IT infrastructure for The Winter Show 2022• Led the successful migration of Skype for Business to Microsoft Teams for 300+ users• Coordinated the deployment of 231 tablets across 4 early development sites, ensuring the continued support of our nonprofit grant.• Administered 3 domain controllers, 2 servers, and 700+ devices• Provided tier 2/3 helpdesk support to 330+ users across 11+ sites

• 

  BNP Paribas

  Jun 2022 - Oct 2022

  Desktop Support Engineer

  𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝗲𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝘄𝗶𝘁𝗵 𝗛𝗮𝗺𝗮𝘆𝗮𝗚𝗿𝗼𝘂𝗽• Renewed certification of End User Computing/Virtual Desktop Infrastructure (EUC/VDI) workstations with Single Sign-On (SSO) accessibility• Authorized Identity Access Management (IAM) accesses with SailPoint IdentifyNow, and reported incidents/requests on ServiceNow• Automated Bloomberg functionality with API Environment Diagnostics to detect and repair corrupted data or missing add-ins• Deployed Windows OS laptops using System Center Configuration Manager (SCCM), and verified authentication of Cisco AnyConnect VPN Show less

• 

  Societe Generale

  Oct 2022 - now

  IT Analyst

  𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝗲𝗱 𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝘄𝗶𝘁𝗵 𝗔𝘀𝘀𝗲𝘁 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝗶𝗲𝘀• Trialed functionality of the DoItNow private cloud, deploying Mattermost via Terraform, Hashicorp configuration, and Python script packaging• Successfully transitioned Workspace ONE to Microsoft Intune on desktop/mobile devices, yielding in a +4% increase in Return on Investment (ROI)• Maintained a consistent 99% Service Level Agreement (SLA) by proficient resolution of executive-level support incidents using ServiceNow/Unity• Facilitated onboarding for +25 new hires/continental transfers weekly using OpenTrust Content Management System (CMS) for smartcard personalization Show less

• 

  Ithaca College

  Nov 2022 - Nov 2023

  Cybersecurity Advisory Board Member
• 

  Freename

  Jun 2024 - now

  Blockchain Domain Registrar