David Dubuque Email & Phone Number

Springfield, Mo, Us

Springfield, Mo, Us

• Systems that my team is responsible for: o Entire virtualization environment of L/BKD and L/DHG (1200+ VMs)o All physical hosts in our environmento Lifecycle management of all serverso Patch management via MECM Current Brancho DFS/file services/data migrationo Office 365o All Active Directoryo AD FS and Azure SSOo Enterprise Applications deployed through Azureo Azure virtual Desktopso Microsoft SQL Server installation, monitoring, backups and performance tuning.o Infrastructure performance monitoringo Entire RDS environmento Draft proposals for new technologies/solutionso Work with Vendors and re-sellers (VAR's), support renewals, procurement of new hardware/softwareo Annual budget planningo Design/implement all storage and virtualization serviceso I Provide guidance by coaching/mentoring team members for all items pertaining to project management, training and daily duties. o I Provide quarterly reviews to ensure that everyone is getting up to date feedback about performance.o I have led several projects for the department. Key ones being:o Migrated 3k + users from Exchange 2016 to Exchange Online. o Migration from Skype for Business 2015 to Microsoft Teams. o Led the Server Operations Integrations for 10+ smaller firmso Responsible for1200+ server environments between two legacy environments.o Responsible for 117 ESXi 7.0 nodes and 54 AHV node running on Nutanix hyper-converged Infrastructure.o Responsible for the legacy DHG 3-Tier infrastructure comprising of Cisco UCS blades utilizing an all NVMe DAS SAN. o Key individual for Disaster recovery design/documentation/implementationo System configuration baselineso Integral to successful certification of SOC II. designed/deployed solutions such as our SIEM, Identity and Access Management (SailPoint), server hardening policies, DR and server onboard/offboard policies.o Deployment of all VM templates (Server 2012,2016, 2019, 2022, RHEL 7 and RHEL 8) using CIS L2 hardening guidelines

•Primarily perform a mixture of windows systems administration/operations and virtual/storage administration​ at a senior level. •Draft proposals for new technolgies. •Administrator of 700+ server environment. (Primarily windows server 2008 R2 and 2012 R2)•Primary administrator of Red Hat Enterprise Linux 7.x servers. •Co-administrator of nearly 200 ESXi host multi-cluster VMWare environment running on Nutanix hyperconverged hardware. version 4.6+, 4.7+ and 5.0+•build and design servers•Storage administration of EMC isilon oneFS SAN•Administration of 2008 R2 and 2012R2 domain level Active Directory environments with 3k users.•SCCM patch management•IP/DNS management using Bluecat Address Manager.•Manage DFS file services, FSRM, and other basic file services.•Designed, implemented and maintain Hyper-V environment running on windows. server 2012R2 •Heavily utilized for powershell (through v5) experience, powerCLI, windows batch and html/web knowledge. Automating daily tasks, improving efficiencies for VM deployment and onboarding.•Use Service Now ticket management

Warrensburg, Mo, Us

• Administrator of multi OS enterprise environment. 150+ virtual/physical servers Windows 2012 R2 /Windows 2008 R2 /Red Hat Linux 5 and 6.5 /Oracle Linux Servers 5/ Darwin• One of two backup administrators - Commvault v10 - perform daily administration of optimization, scheduling, and overall maintenance. Tape Library for off-site auxiliary copies. Strong experience with 1-Touch bare metal backups and restore.• Manage Active Directory at a 2012 domain/forest functional level. 40k+ users.• Strong PowerShell experience with custom account provision, file services, data gathering and management of enterprise environments.• Co-implemented Office 365 services for 40k+ users. Primary technician for account provisioning of new users. • Nagios xi enterprise monitoring of server and network health.• Build Windows Server 2008 R2, 2012 R2, and Red Hat Enterprise Linux 6.5.• Administrator of VM's in VMWare 5.5 environment.• Citrix Netscaler v10.5 & v11 experience – load balancing and virtual host creations.• Manage physical servers on Dell PowerEdge R710, R720 and R730.• DHCP/DNS management with Bluecat Address Manager• Account provisioning with in house utility, and custom scripting. • CUPS Print server services.• Provide Windows IIS/FTP capabilities to local department(s).• Google apps/Directory Sync/email management.• Patching/Administration of IBM Endpoint Manager (Tivoli)• Administrator of Clustered Windows File Services - DFS environment, and access control using access based enumeration.• SAMBA File Services• Security Certificates – Symantec and self-signed.• Windows Server Clustering• Administrator of McAfee Anti-Virus EPO• Firewalls (Cisco) - Creation of rules and administration, traffic monitoring, packet capture.• Co-built documentation website for centralized repository of processes, procedures, and standards.• Author system designs based on customer requirements.• Dell Compellent storage arrays

Shawnee Mission, Ks, Us

• Fortune 500 company• One of two administrators of Exchange 2007 environment for two domains. 4K+ mailboxes.• Manage active directory, domain group policies in a multi domain forest at 2008 functional and forest level• Performed basic configuration of news clients and exchange server backups utilizing Simpana CommVault V8• Subject matter expert for Blackberry Enterprise Server 5.0 managing 400+ blackberries• Manage Mobile Iron for iOS and android devices• Primary mail archiving solutions expert responsible for 20M+ archived emails. Utilized, maintained, and configured CA Assentor Mailbox Manager• Work as part of a 4 person foundation team for initial install and build of windows server• Windows server administrator providing Tier3 support for 400+ Virtual and physical windows 2k3, 2k8 and 2k8 R2• Manage EMC storage resources• Authored PowerShell, Visual Basic, and windows batch scripting for daily operations, account provisioning, mailbox management, and in support of disaster recovery.• Administrator of Lync 2010 Server• Administrator of SCCM 2012.• Experience with VMWare 5 & 5.5• Wrote legal and compliance standards for mail archiving systems, and worked directly with Legal Affairs for legal holds, and litigation holds.

Randolph Afb, Tx, Us

• Perform monthly inventory of COMSEC material and security inspections of SCIF.• Created General/privileged user guides, and standard operating procedures.• Network Administrator and communications Liaison for three different classified/unclassified networks. 50+ personnel in work center.• Performs removable media inspections, and audits of SAP machines.• Provide onsite technical assistance for multiple operating systems-Win7/Vista/XP/Linux.• Maintained/Repaired networked printers, Cisco VOIP phones, STE phones,• Validate access and coordinate the creation of SCI and SAP accounts.• Maintained Database for controlling user access to critical IT systems.• Ensured that security policies as an Information Assurance Officer, Secure Voice Responsible Officer, and Communications Security Responsible Officer in Accordance with JAFAN 6/3. • Built and maintained SCI-2K deployable units running windows 7 for radar imaging.• Applied Group Polices to Win 7/Vista/XP devices under specifications of Air Force security guidelines.• Lead technician for creating standalone LAN environment for classified systems. Programmed CISCO switch to comply with security guidelines.• Responsible for accountability of 400 + assets, i.e. Computer workstations, deployable units, laptops, and monitors.• Utilized/updated WASP inventory database for accountability of all removable media in a secure environment.• Achieved first commendable rating for security program inspection performed for accreditation of the facility.

Randolph Afb, Tx, Us

• Maintained functionality and security of domain controllers, SCCM, Microsoft Exchange, DHCP, and Proxy servers for unclassified and classified networks.• Maintained Antivirus server; updating signatures for remote deployment on 4k + machines.• Reserved IP address for servers, printers, and critical computer systems in DHCP.• Familiar with Citrix thin client environment. • Responsible for building servers running windows server 2003/2008. • Responsible for implementation of windows 7 installation on all required client systems.• Manage Virtualized core servers with VmWare 4.5• In charge of the Information Protection Office. Air Force disseminates vulnerabilities, and the IPO patches and verify system security across the domain.• Familiar with Retina scanner, and specialize in vulnerability assessment.• Familiar with creating/troubleshooting trouble tickets submitted through a Remedy trouble ticket system.• Used Remedy trouble ticket system for monitoring and updating user requests/issues• Provided oversight for all tier II troubleshooting requests the Help Desk could not perform.• Applied domain wide Group policies to ensure user, and system security.• Built several powershell scripts to maintain network uptime, check installation compliance, and detect illegal use of removable media.

Randolph Afb, Tx, Us

• Familiar with Remedy ticketing interface. Provided Tier II/III assistance for 20+ trouble tickets daily.• Built/managed first ever Blackberry Enterprise Server on the South Korean peninsula, providing synchronization of military email to 70 Blackberry handheld devices.• Managed 52 core virtualized windows 2003/2008 servers. • Primarily maintained DHCP, DNS, Domain Controllers, and Microsoft Exchange. • Provided assistance with setting up VPN capability for high priority customers.• Very familiar and skilled with Active Directory. Used daily to modify user information, computers, and security groups, networked scripts etc..• Skilled with VMWARE/VSPHERE• Managed three Microsoft Exchange Servers, two Exchange bridge heads, two exchange mail relays, created user mailboxes, managed mail stores, performed audits to ensure proper use and access. • Created three ESXi virtual servers for email filtering.• Created/managed 200+ administrative accounts for entire domain. Performed audits of security groups ensuring proper access.• Familiar with restoring deleted lost files using third party software such as Commvault.• Provided access to shared folders, and shared drives on SAN.• Performed full and incremental Backups of local, and offsite SAN, and Exchange Server.• Provided Remote Desktop services for offsite customer requests to include installing applications, programs, and providing advanced troubleshooting.• Remotely patched systems with self created scripts, and utilizing PStools, and windows batch scripting.• Coordinated with Information Protection Office daily, ensuring network vulnerabilities were tracked, documented, and eliminated.• Applied Time Compliant Network Orders (TCNO?s) with remote desktop/scripts to machines with identified vulnerabilities

Randolph Afb, Tx, Us

Basic Military Training and 3D0X2 Cyber Systems Operations technical training.

Bachelor'S Of Science - Information Technology, Network And System Administration/Administrator

Computer Science

Information Assurance Officer Training

Technical Training - 336Th Training Squadron, Keesler Afb, Ms