Derriziel L. Pierce

2350 Houston Lake Road, Apt. 1218, Kathleen, GA 31047

derri.pierce@gmail.com  t  478.287.2113

 

Network & Systems Administration  |  Enterprise IT Infrastructure  |  Program & Project Management

Resourceful technology professional with 19 years of expertise; proven capacity for maximizing performance and value of IT assets, resources, environments and initiatives. Service-focused; adept at understanding customer needs, devising innovative strategies and solutions, managing risks and leading teams to execute projects on schedule. Current Top Secret / SCI security clearance based on SSBI.

·               Systems Design, Engineering & Integration ·               VMware & Virtualization Solutions ·               Disaster Recovery & Business Continuity ·               Information Assurance & IT Security ·               KPI Monitoring, Analysis & Reporting

·               Critical Thinking / Innovative Problem Solving ·               Budgeting & Account Management ·               Prioritization, Scheduling & Allocation ·               Human Resources / Personnel Management ·               Mentoring, Training & Team Building

 

Department of the Air Force – Robins AFB, GA

Senior Systems Administrator, 10/2013 to Present

Primary technologies: VMware, Windows, Windows server, Dell servers and workstations, Solarwinds

Strengthen and sustain complex IT environment supporting 1,500+ users across multiple organizations; analyze and assess processes to discover improvement opportunities, formulate solutions and plans, and complete installation, integration and testing projects to increase capabilities and boost efficiencies. Serve as subject matter expert (SME) on IT issues; advise senior leadership on strategies and solutions for achieving IT goals and maintaining information superiority.

s         Currently supporting planning, implementation and engineering phase to roll out Intelligence, Surveillance and Reconnaissance (ISR) Enterprise Service Desk (ESD) for worldwide operations.

−        Grew knowledge in ISR and electronic warfare (EW) through instruction at Georgia Tech Research Institute; provided technical expertise and constructive ideas during meetings with key stakeholders.

−        Leveraged new Air Force eLearning in Unix / Solaris to recommend products and solutions for geographic intelligence (GEOINT) and signals intelligence (SIGINT).

−        Communicated and built productive relationships with manufacturers, professional organizations and peers from external installations and services.

s         Continued track record of formulating, installing, and managing virtual infrastructures and architectures that saved organization money and resources (up to $1.5M) while increasing efficiency

−        Upgraded and enhanced legacy systems; installed new Windows OS, VMware 5.5 ESXI, VMware tools, and Solarwinds Orion NPM and SAM applications, virtualized and updated Windows 2008R2 servers, and performed stress testing on ESXi hardware and software infrastructure.

Department of the Army – Wiesbaden Airbase, Germany (Clay Kaserne)

Systems Administrator / Engineer, 9/2010 to 10/2013

Primary technologies: Windows, Linux, Active Directory, Exchange, VMware, ADSI Edit, IIS Manager, Failover Cluster Manager, Print Manager, DameWare, RDP, SQL, McAfee, SharePoint, Adobe 

Kept Joint & Coalition Information Systems (JCIS), servers, web services and associated hardware / software running at optimal availability and performance. Mentored and collaborated with team of IT specialists; guided installation, configuration, testing, deployment, backup, disaster recovery, performance monitoring, troubleshooting and maintenance of IT assets within complex, multi-platform environment. Advised executive managers on IT best practices and efficient utilization of technologies and resources.

s         Implemented, administered and maximized performance of 200+ application, web, print, file and database servers; managed security groups and accesses to 90+ websites and services.

s         Drew upon expertise designing VMware solutions to maintain 95% virtualized environment, helping reduce costs and manpower requirements.

s         Planned and directed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migrations of Windows and Linux servers from VMware, Hyper-V and legacy hardware.

s         Strengthened web and NTFS security; managed SSL and digital certificates, requests, authorities and configurations, and enforced IP address and domain restrictions.

s         Validated customers' system configurations and automation plans to ensure compatibility with communications and networking strategy; worked with subject matter experts (SMEs) to provide guidance and steer changes in line with policies.

s         Used BMC Remedy to document / manage trouble tickets and Authorized Service Interruptions (ASI's); resolved system problems and hardware failures quickly to minimize downtime for users.

Department of the Army / Landstuhl Regional Medical Center (LRMC) – Landstuhl, Germany

Systems Administrator, 9/2008 to 9/2010

Primary technologies: Windows, Windows Server, Linux, WSUS, SMS, DHCP, ADSI Edit, IIS, VMware, LDAP, SAN, EMC Clarion, VNX, fiber cabling, POS systems   

Maintained 200+ enterprise servers and business-critical applications; managed connections, profiles, security certificates and administration of 6,600+ user, service and group accounts across organizations in Italy, Germany and Belgium. Oversaw SMS and DHCP server performance and troubleshooting; managed network storage and GUI services. Consulted on Group Policy Management issues involving databases and hierarchy, domains, addresses, and client image packages and accounts. Coordinated web conferences to conduct training and collaborate with defense contractors on project planning.

s         Provided expert architectural design and troubleshooting support to clients running VMware-virtualized OLTP and OLAP SQL workloads, web servers and data analysis environments.

s         Accurately determined proper allocation of resources for multi-department user population with competing priorities and varying requirements for SAN-backed VMware ESX infrastructure.

s         Designed SAN environments, developed and managed disaster recovery plan, and customized VMware, networking components and storage for optimal availability and maximum performance.

s         Led Information System Security Plan (ISSP) documentation process for 100+ servers, ensured compliance with DIACAP inspection standards.

s         Managed access to Defense Finance & Accounting Service (DFAC) program MICROS through Point-of-Sale (POS) systems; enabled cashier access to application that streamlined operations, leading to increased customer satisfaction.

s         Drove on-time installation of Nutrition Management Information System (NMIS) and managed its administration; provided organization with first-time ability to customize meals and meet unique nutritional needs of customers in Iraq and Afghanistan.

ITT Corporation – Colorado Springs, CO

Systems Administrator, 9/2007 to 9/2008

Primary technologies: Dell servers, Active Directory, Windows NT4, WINS, DNS, MS Exchange, SMS, SharePoint, Adobe Connect, WSUS, DHCP, Veritas BackupExec  

Propelled organizational planning and policy development, educated users and delivered software support. Monitored systems to prevent security breaches, maintained anti-virus and anti-intrusion solutions, and performed data backups and restorations.

s         Optimized enterprise-scale system of 18 secure and non-secure Dell Poweredge servers; administered Active Directory and NT 4 domains, WINS, DNS, and print queues, and provided daily maintenance for 6,000+ Exchange accounts.

Northrop Grumman Defense Mission Systems – Fairfax, VA

Systems Administrator, 1/2006 to 2/2007

Primary technologies: Exchange, Active Directory, SMTP

Maintained robust and secure email environment as part of comprehensive information system support program. Delivered proactive management and administration of Exchange 2003, Active Directory, SMTP traffic, client accounts and hierarchical architecture. Provide guidance and training to team of 12 technicians while providing exceptional server, workstation and application maintenance; installed new tools, scheduled system and network events, and kept systems updated with backups and patches.

s         Tracked, analyzed and reported key metrics; quantified system health along and provided valuable data for making forecasts, influencing decisions and propelling future projects. 

s         Identified potential risks and moved to improve security of server environment; created and instituted new server room SOPs and disaster recovery procedures.

s         Played key role in improving help desk operations; devised highly efficient process for updating hundreds of computers in minimal time.

s         Streamlined email communications; installed and configured secure / non-secure email servers.

Additional Experience

Systems Administrator - COMSEC (2004 to 2005)  ~  Dataline, Inc., Tampa Bay, FL

Systems Administrator (2003)  ~  EMW, Inc., Fairfax, VA

IT / Customer Support Specialist, Computer Accounting Technician (2001 to 2003)  ~  US Army (federal civilian employee), Heidelberg and Schwetzingen, Germany

Signal Support System Specialist (1995 to 2000)  ~  US Army (active duty), Ft. Gordon, GA and locations across Europe