CHARISSE BRIGUERA
Chesapeake,Virginia
Summary
Work as a Cloud Exchange Administrator while serving the United States Marine Corps Reserve with an active Secret Clearance. I am dedicated in problem solving with an excellent background on hands on System administrative. I am seeking a challenging role in a reputable company where I can leverage my experience and IT skills, while continuing to develop my knowledge and abilities.
Overview
5
5
years of professional experience
Work History
0311 INFANTRY RIFLEMAN
United States Marine Corps Reserve
03.2021 - Current
- LAR scout conduct reconnaissance for military operations to obtain intelligence about enemy forces, terrain and activities in the area supporting Light Armored Vehicles.
- Familiar in joint exercise cycle and risk management with the ability to accomplish and multiple tasked priorities in an efficient peace-environment.
- Ability to make sound decisions, exhibit strong situational judgement, and handle complex challenges.
- Operated as a core member of a Light Armored Reconnaissance (LAR) team, supporting mounted and dismounted operations in diverse environments.
- Conducted reconnaissance, security, and offensive operations in coordination with LAV, enhancing battlefield awareness and mission success.
- Executed patrols, route clearance, and area security missions, often in austere and high-tempo conditions.
- Collaborated with LAV crewmen and leadership to integrate infantry support into mechanized operations, ensuring seamless communication and tactical cohesion.
- Mentored junior Marines in mission planning as a NCO and billet of former Fire Team leader, fostering unit cohesion and operational effectiveness.
Cloud Exchange Administrator
CWS
01.2025 - Current
- Responsible for messaging and collaboration
- Administer Microsoft Exchange mailbox on hybrid environment supporting the Department of the Air Force (DAF) which includes the Air Force and Space Force.
- Utilizes Azure to make changes in Admin Portal, Exchange, Defender and Purview.
- Responsible for giving access to delegation permissions of mailboxes, through entra exchange or PowerShell script with administrator privileges.
- Responsible to work on user, Group mailbox, Shared mailbox, Org Box, Security Group and Distribution mailboxes.
- Conduct responsibilities through activation of roles by PIM (Privileged Identity Management)
- Utilized Trace for mailflow to verify mailbox stoppage of work
- Troubleshoot exchange servers and cloud exchange environments which includes mail flow, outlook, mailbox licensing, teams, one drive, and mailbox configuration.
- Work on ESI request investigations by running Unified Audit Logs on PowerShell or Audit Log Purview.
- Responsible for making sure Policies Management are set for Exchange Online Protection which includes: AntiSpam, Malware, Phishing, blocking addresses/IPs or requested mail domain controllers.
- Utilize EITaaS for ticketing workflow
- Coordinated user account management, including provisioning, permissions, and access control.
- Investigated issues and provided technology-based solutions.
- Monitored system health/protocols using various tools such as STIG, Performance Monitor, Event Viewer, Test-Mailflow cmdlet commands to identify potential issues early on.
- Ensured compliance with company policies by managing message tracking logs, journaling rules, eDiscovery searches, and litigation holds as needed.
Cloud Identity and Access Management Administrator
Aermor LLC
11.2024 - 01.2025
- Responsible for user Flankspeed admin IL4, IL5, IL6 account creation for identities, entitlement and access management.
- Utilizes Azure Portal to execute Identity role.
- Utilize Zero Trust and Role-Based Authentication (RBA) to conduct workflow as an IAM admin.
- Grant user admin request access on role assignments on resource group, subscription and management groups.
- Provision, de-provision, and manage user identities.
- Responsible for role request identification, authentication and authorization.
- Gives permission to owner role, contributor role, admin role, reader role, etc
- Sign SAARS and grant or deny PAA request roles.
- Assist user with authentication method via passkey: MS Authenticator or Yubikey to access flankspeed admin account through Azure Portal.
- Utilized Azure to add role permissions through Portal.azure.us such as Admin Portal and Purview.
- Utilizes HPSM as for ticketing System.
- Regulate and utilize Active Directory using Bastion Virtual Machine to create ADDs accounts through Azure portal.
- Utilized NVD/VD to conduct workflow.
Service Request Management Administrator
Leidos
11.2023 - 11.2024
- Provides Administrative process to Leidos SMIT Service.
- Responsible for civilian, contractor, military personnel, foreign nationals, NMCI account creations; changes into accounts, logical movement and permission rights, etc.
- Create and establish user’s account, machine objects, data transfer, and machine software associations.
- Administers and set user account’s permission rights on SIPR/NIPR Active Directory.
- Associate software groups into machines in administrative level and push out Security Group Policy.
- Utilized DoD networks, Microsoft exchange servers, including NIPR and SIPR exchange servers.
- Process VIP/EVIP/MOC request such as add, remove and transfers accounts.
- Provide customer-relations with CTR, local IT and user for service inquiries to resolve technical/data submission issues related to user’s account, hardware and software.
- Monitor network servers availability for server use to make changes into user’s account in Microsoft Exchange Servers.
- Uses SQL Query for OCM creation of user’s account and machine objects.
- Utilizes Powershell in administrative level to make changes to accounts, machine objects, groups, etc.
- Led and trained groups of agents for Average Time Handle (AHT) amelioration to help agents improve call time quality of work.
- Train agents to get familiarize with Service Request Management role.
IT Support Agent
Apex System
01.2023 - 11.2023
- Provides end-user support for the NMCI Navy/Marine Corp Intranet network to secure enterprise-wide functionality.
- Support and assist users with administration rights to analyze, configure, troubleshoot IT equipments such as NMCI/NNPI computers, printers/scanners, iOS devices, and MobiKey.
- Troubleshoot future versions of networking protocols for wired and wireless connectivity.
- Ability to make administrative changes to user’s network drives with File Server Management (FSM) rights.
- Analyze, configure, troubleshoot user’s issues with ActivClient, proxy websites, cloud drive access for file storage, DNS (domain servers), PC, OneDrive, legacy softwares, and Microsoft Office applications.
- Experience in back up and restore datas.
- Utilized Active Directory (ADAEO) and AD Console to check user accounts on a daily basis.
- Assist user with software packages installation deployment using Microsoft Endpoint Configuration Manager (MECM) and assist user with Microsoft Intune that provides cloud based mobile device management.
- Configure and troubleshoot software applications such as Adobe, Citrix, legacy softwares, and Microsoft 365 applications.
- Regularly ran scripts for various fixes including Trellix, MTU resets, host-based security system (HBSS) logs, disc clean-ups, PAC file updates, group policy updates, bitlocker, and DNS flushing.
- Experience in monitoring security logs: Endpoint, network and cloud.
IT Support Field Service Technician
Zachary Piper
11.2022 - 01.2023
- Provide IT technical Support on an interface between government application support with MHS Genesis wave that provides beneficiaries and medical providers with integrated health records under Leidos as part of deployment team.
- Deploy, label and set up devices to specific locations such as imaging work stations, portable machines, printers/scanner, bar scanner, etc.
- Conduct IT inventory and equipment deployment to medical clinics.
- Install networking cabling and ports.
- Knowledge in routing protocols in data centre, WAN/LAN.
- Collect pertinent information while corresponding with the network and print server admin.
- Configure, troubleshoot, analyze, escalate and document technical issues.
- Provide end user support for hardware such printers, scanners, monitor, etc.
Education
General Studies college credited classes
TideWater Community College
01.2015
Skills
- Active DoD Secret Clearance
- CompTIA Security (IAT Level II)
- AZ-104
- AZ-900
- MS-900
- Proficient in collaborating with team members to reach goals
- An innovative thinker with a proactive approach to problem-solving
- Solid grasp of risk management
- Bilingual (English and Tagalog)
- Azure Cloud Environment
SKILLS
- MS Exchange, Defender & Purview
- Identity and Access Management (IAM)
- Cloud Storage and Virtualization
- VMware, VSphere, NVD, AVD, RDC & Bastion Virtual Machines
- Active Directory & MECM
- Exchange 2011, 2013 & 2019
- Microsoft 365
- Ticket System: HPSM & AWS
- OS: Windows, macOS, iOS, mobikeys and Intune App
- SQLQuery & Print Servers
- Experienced working in NIPR, SIPR, NSOC, NOC & OC environment
Timeline
Cloud Exchange Administrator
CWS
01.2025 - Current
Cloud Identity and Access Management Administrator
Aermor LLC
11.2024 - 01.2025
Service Request Management Administrator
Leidos
11.2023 - 11.2024
IT Support Agent
Apex System
01.2023 - 11.2023
IT Support Field Service Technician
Zachary Piper
11.2022 - 01.2023
0311 INFANTRY RIFLEMAN
United States Marine Corps Reserve
03.2021 - Current
General Studies college credited classes
TideWater Community College