MARK D. WILLIAMS

adf0bq@r.postjobfree.com

407-***-****

PROFESSIONAL PROFILE

U. S. Air Force Veteran with over 25 years’ experience in IT Management and Systems administration. Knowledge of current and latest changes in communication and computer systems. Proficient in Quality Assurance procedures, testing and repairs. Proficient in Problem Solving and Teamwork. Reliable and honest with a commitment to service excellence and professionalism. Driven to meet challenges and exceed customer and employer expectations while demonstrating the highest level of professionalism.

Core competencies:

• Team-oriented

• Creative problem-solving

• Excellent interpersonal skills

• Adjust quickly to change

• Excels under pressure

• Great Time Management

• Active listening skills

• Multi-Tasking

• Very intuitive, resourceful

• Organizational skills

• Excellent communication

•. Exceptional computer skills

TECHNICAL SKILLS

•Security: Maintained TS Clearance, Group Policy/ hardening, Chapter 8, encryption, and CISSP training

•Operating Systems: Microsoft Windows Server 2016, Windows 10, LINUX, IBM iSeries, AT&T UNIX

•Software: Tripwire, Vormetric, Backup Exec, Netbackup, Active Directory, DNS, IIS, Exchange, WSUS, MS Share Point/ Office 365/Visio/Project, HelpStar, Symantec/ McAfee Virus protection, VMware ES0101/ Microsoft HyperV, RSA, LAPS, Kibana, Juniper

•Databases: Microsoft SQL 2016, Oracle, Access

•Hardware: MS/ Symantec clustering, Hitachi SAN, Dell/HP Servers, IBM System 5/6, Sonicwall/ Watchguard Firewalls, tape libraries, and APC UPS network shutdown

•Management: Ran several data centers, phone systems, radio systems, continuity plans, managed personnel over 20 years

•Programing: C++, Java, Java scripting, HTML, Visual Basic, Assembler, and CASE tools

PROFESSIONAL EXPERIENCE

Active Directory Manager 01/2020-03/2020

Disney/Presidio/Kforce Lake Buena Vista, FL

•Managed Active Directory for 10 domains including group policy, remediation, hardening, and troubleshooting

•Reorganized domain by physical location and utilized functional groups to solve long standing org issue

•Solved screen pop-up issue and greatly improved network security

Senior Systems Administrator 11/2013-09/2019

Fiserv Lake Mary, FL

•Managed Active Directory for 7 sites/ 12 domains, Tripwire/ Vormetric for several sites, 2000+ VMWare virtual machines, CIS/ PCI hardening, certificate servers, SQL servers, Windows 10 bloatware mitigation, PowerShell scripting/ reporting, LAPS, RSA.

•Tracked user incidents and change management using Helpstar ticketing software.

•Focal point for security software and server hardening (increased network and company software security), built and upgraded several domains, passed several audits, awarded several times by coworkers “Do the right thing”

•Troubleshot Juniper software issues on VMs, utilized Office 365

s Administrator 11/2013-09/2019

Fiserv Lake Mary, FL

Backend Server Support Administrator 06/2013-11/2013

Raytheon Orlando, FL

•Managed several virtual (VMWare ESXi) and HP physical servers including patching and maintenance.

•Created Oracle Linux server to act as a Proxy PAC server replacing Windows system with vulnerabilities.

Backup/ Restore (BUR) Administrator 04/2013-06/2013

Hewlett Packard Orlando, FL

•Managed backups and restores using Symantec Net Backup.

•Assisted in bringing new tape library online including SAN support and documentation.

Network Administrator 03/2013-04/2013

Global Options Orlando, FL

•Supported all IT and communications assets including network, servers, desktops, and phone system for 4 sites.

•Repaired Domain Replication, Windows time services, Exchange free-busy data/ OOO, DNS replication.

IT Infrastructure Manager 06/2010-01/2013

N2N Global/ KPG Solutions Longwood, FL

•Managed 2 sites, all IT/ communications assets including network, servers, desktops, and phone system, 25 customer VPN connections, Watchguard/ Cisco/ Sonicwall firewalls, all building assets including physical security, A/C, power, fire safety.

•Migrated from Windows 2003/ Exchange 2003 to Windows 2008 R2/ Exchange 2010, transitioned network from 3MB copper to 20MB fiber, Antivirus management, IBM BRMS backups, instituted redundant A/C system, engineered new phone system.

Communications Superintendent 10/1986-10/2011 USAF Patrick AFB, FL

•Managed communications personnel, built and managed compete networks in Kuwait and at remote location in Germany providing critical services including active directory, Exchange, web, and print services while ensuring uptime with UPS/ backups. Saved the government over $10,000 in contractor fees and met compliance early.

•Maintained secure radio/pc communications system during Gulf War which aided in saving 57 lives in Iraq.

EDUCATION

Keller Orlando, FL

Masters Information Systems Management

Troy State University Montgomery, AL

Bachelors Science in Computer Information Systems

Community College Air Force

Associate Science in Electronic Systems Technology

New Horizons Computer Learning Centers Orlando, FL

CISSP Certification (In Progress)

CERTIFICATIONS/TRAINING

• Microsoft Certified Systems Engineer (MCSE)

• Microsoft Certified Professional (MCP) in 2003 Network Infrastructure, Exchange, and TCP/IP

• IBM and Dell hardware certifications

•CISSP training course New Horizons Computer Learning Centers

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