Dewayne Williams
Atlanta,GA
Summary
Customer-oriented Systems Engineer with strong history of leading high-performance teams to meet or exceed objectives. Dedicated and hardworking with internal drive to deliver excellence. Tactical team builder with strong background in training and team development.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Sr Systems Administrator
TEKsystems
05.2023 - Current
- Analyzed network traffic and performance metrics to optimize system performance.
- Monitored networks and network devices to resolve technical problems quickly.
- Evaluated software products to determine compatibility with existing systems.
- Planned and implemented upgrades to system hardware and software.
- Analyzed complex project server issues and worked on large enterprise and business-critical applications.
- Led server infrastructure development, quality assurance, staging and production systems.
- Devised scripts and automation tools to improve system efficiency.
- Implemented, developed and tested installation and update of file servers, print servers and application servers.
- Met customer call guidelines for service levels, handle time and productivity.
- Clarified user issues and determined root cause of problems to resolve product or service complaints.
- Exhibited high energy and professionalism when dealing with clients and staff.
Systems Administrator II
Comtech
02.2020 - 12.2022
- Designed proactive preventive maintenance schedules to prevent unnecessary downtime and hardware faults.
- Established network specifications and analyzed workflow, access, information and security requirements.
- Provided comprehensive training to internal and off-site users to optimize systems maintenance and resolve recurring issues.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Oversaw file system, storage and other digital asset upgrades while safeguarding data integrity and redundancy.
- Provisioned new software and hardware for use according to internal business and security policies.
- Solely managed and engineered entire VMware VSphere and ESXI virtualization environment.
- Administered storage infrastructure via Dell EMC Unisphere platform
- Managed windows user and computer policies via Group Policy Management
- Managed computer, user objects, and groups via Active Directory
- Drove continuous improvement of IT governance processes.
- Completed reports detailing network and systems performance and downtime issues.
- Provisioned new software and hardware for use, following established security policies.
- Worked with users to determine areas of technology in need of improved usability.
- Served as subject matter expert on proposed technology purchases.
- Migrated data from legacy system to Software databases.
- Used Retina and HBSS to secure systems against STIG guidelines.
- Maintained current software licenses for computers and mobile devices.
- Oversaw file system and storage upgrades while safeguarding data integrity and redundancy.
- Developed PowerShell scripts for automation
- Provided primary customer support to internal and external users.
Senior Systems Administrator/Engineer
General Dynamics Information Technology
05.2016 - 12.2019
- Responsible for effective provisioning, installation/configuration, operation, and maintenance of servers (virtual and physical) hardware, software and related infrastructure
- Performed administration, support, and migration Microsoft Exchange Server 2010/2013
- Performed Citrix Administration; XenApp and XenDesktop
- Modified and implemented Group Policies
- Performed regular audits of user and privilege accounts
- Monitored entire network infrastructure using SolarWinds
- Utilizes BMC Remedy ITSM ticketing tracking system
- Monitored and maintained server backups, restoration, archive using NetApp Snapcenter
- Utilized HBSS suite to detect security posture of all assets within organization
- Configured NETAPP ONTAP storage system; in addition monitored and configured storage space volumes, aggregates, LUNS, policies
- Experience with digital senders and MFPs
- Configured and Engineered Cisco Unified Computing Systems Infrastructure
- Engineered VMware Vsphere Web Client, VMware Realize Operations, VMware Orchestrator, VMWare Esxi
- Implemented Knowledge Management and Disaster Recovery Plans
- Planned, implemented and integrated updated system-oriented projects
- Analyzed systems performance data to identify inefficiencies
- Conducted ACAS scans for vulnerability and risk assessment management
- Created patches and solutions to fix bugs in existing applications.
- Provided comprehensive training to internal and off-site users to optimize systems maintenance and resolve recurring issues.
- Azure operation and administration
- Planned and designed the cloud infrastructure utilizing AWS
Systems Administrator
IP Network Solutions
12.2015 - 04.2016
- Performed necessary maintenance and monitoring to provide continuous network availability security, server performance and availability of file/print, email and Internet services
- Managed Active Directory privileges, access right and computer environment by using Group Policy
- Upgraded administrative tools and utilities on server
- Performed file server backups
- Determined and alleviated hardware, software and network issues
- Supported, configured, maintained and upgraded customer networks and in-house servers
Network and Computer Systems Administrator
22nd Century Technologies
11.2014 - 12.2015
- Determined network and system requirements
- Maintained integrity of network, server deployment, and security
- Operated and maintained SNAP terminals, VSAT, and Quick Deploy units (auto/manual)
- Maintained network servers such as file servers, print servers
- Issued passwords, modified accounts, objects, and permissions via Active Directory
Systems Administrator
ITT Exelis Corporation / Vectrus
12.2012 - 11.2014
- Assigned file permissions, established and maintained user accounts, and established account and password policies; configured, installed, upgraded, tested, and maintained and supported operating system software in production environment
- Maintained and operated all areas of server administrations including Microsoft 200x, DHCP, DNS, WINS, Active Directory, Print Management, Group Policy, Event Viewer
- Administrated daily Outlook Web Access and Exchange Servers
- Reviewed performance logs and monitored system performance
- Troubleshooted and resolved system hardware, software and communications problems; created shell programs and utility scripts; performed configurations and adjustments to enhance database file capacity; performed automated and manual backup and restore processes
- Provided user support and conducted user software and hardware training to formulate technology solutions and ensured effective safeguarding and sharing of enterprise data
- Performed regular file archival and purge as necessary
- Provided user and Microsoft Exchange account maintenance as required
- Delivered reliable support for all server class systems
Information Technology Specialist
The United States Army
03.2009 - 12.2012
- Operated and maintained auxiliary equipment, power generators, Cisco switches,routers, modems, fiber optic ,and Category 5 Ethernet links, and end-user VOIP phones and laptops
- Maintained, configured, and installed security and communications software on military computer systems as well as printers
- Monitored, managed, and maintained Cisco Call Managers, on SIPR, NIPR, Centrix
- Network cabling modifying and installation to meet mission requirements
Education
Bachelor of Science - Cyber Security and Information Assurance
Western Governors University
Salt Lake City, UT2023
Information Technology Specialist - Information Technology Specialist
Signal School of Excellence For Information Technology
Fort Gordon, GA2009
Skills
- Ten years of IT experience: Windows XP/7/10, Windows Server 2003/2008R2/2012R2/2016/2019 Datacenter,
- Microsoft SCCM Server 2007/2012, Cisco UCS, VMware vSphere/ESXI, SQL Management
- Studio, NetApp, Quest Active Roles, HBSS/ePolicyOrchestrator, ACAS, SolarWinds, Outlook, Microsoft Exchange
- 2010/2013, Microsoft 365, PowerShell, Group Policy, IIS, Registry, Microsoft Office, Active Directory, Azure Active Directory, VoIP, TCP/IP, DNS, DHCP,
- Routing, Project Management, Disaster Recovery, Knowledge Management, Citrix, Systems Development,
- Systems Applications, Networking, Network Operations Personal strengths include: outstanding customer service
- Skills, resolving technical issues, and educating end-users, team player making significant contributions to team
- And individual success In addition excellent client relations, and service based on outstanding communication,
- Technical efficiency and problem-solving skills
- System Development and Administration, Servers Expertise
Certification
COMPTIA CASP, COMPTIA Security+, COMPTIA Server+, COMPTIA A+, MCSA: Windows Server 2012, MCSE: Server Infrastructure, MCSE: Cloud Platform and Infrastructure Charter Member, ITIL V3 Foundation, DISA HBSS Advanced (301) ePO5.1, COMPTIA Project+, VMware Certified Professional, NETAPP Certified DATA Administrator, CISSP (in progress)
Security Clearance
Top Secret
Timeline
Sr Systems Administrator
TEKsystems
05.2023 - Current
Systems Administrator II
Comtech
02.2020 - 12.2022
Senior Systems Administrator/Engineer
General Dynamics Information Technology
05.2016 - 12.2019
Systems Administrator
IP Network Solutions
12.2015 - 04.2016
Network and Computer Systems Administrator
22nd Century Technologies
11.2014 - 12.2015
Systems Administrator
ITT Exelis Corporation / Vectrus
12.2012 - 11.2014
Information Technology Specialist
The United States Army
03.2009 - 12.2012
Bachelor of Science - Cyber Security and Information Assurance
Western Governors University
Information Technology Specialist - Information Technology Specialist
Signal School of Excellence For Information Technology