Stephen H. Email & Phone Number

Rockwall, TX, US

Richardson, Texas, United States

Richardson, Texas, United States

Dallas/Fort Worth Area

Responsible for providing continued Security management, across 26,000+ AT&T Windows hosts, and supporting the transition to outsourced vendor IBM. Responsibilities include enterprise wide security automation, GPO updates, mitigating passive vulnerability scan results, incident response, patching, identity and access management, audit evidence collection.

Dallas/Fort Worth Area

• (Cleared for Government Systems Management) Responsible for providing security management across 26,000 Windows Server hosts, spanning multiple domains, network zones, and geographic boundaries. Primary security.
• Member of a tiger team focused on penetration testing with MimiKatz, pass-the-hash, golden ticket, kerberoasting, John the Ripper, hashcat, bloodhound, and metasploit.
• Worked with Active Directory and Engineering on Domain hardening - Analysis and removal of weak protocols (NTLMV1, WDigest, SSL, TLS 1.0/1.1, LLMNR) - UNC Path hardening - MFA implementation- Prevention of lateral.
• Operating System Vulnerability scan mitigation
• Worked with Active Directory team to implement GMSA credentialing for service accounts, the Microsoft Tiered access model, and credential hygiene techniques.

2600 Camino Ramon, San Ramon CA

I was the architect that designed from the ground up our current access provisioning systems. These systems provide evidence artifact collection for external auditors, provisioning regular access based on server state and emergency access using a Just in Time (JIT) style automated solution for authorized parties. Automation is central to the design, as are.

2600 Camino Ramon, San Ramon CA

Primary areas of responsibility include rights management, monthly security patching, GPO sub team, Server DB sub team, Antivirus remediation, audit evidence collections, VPMO consultations, troubleshooting, break/fix and various other SA functions as needed.

2600 Camino Ramon, San Ramon CA

Primary areas of responsibility include granting and provisioning all west coast server access requests. Perform monthly security patching. Perform patch, Trend, content advisor, and Tier 2 monitoring remediation. Additionally, I am brought in on new and existing VPMO calls for security related issues. I am the team SME for issues with the server database.

2600 Camino Ramon, San Ramon CA

Systems Administrator (SA) team member managing a server base in excess of seven thousand servers, spanning multiple geographic boundaries. Responsibilities include upgrade, repair, maintenance, troubleshooting, and backup/recovery, lease roll, patching, and monitoring, as well as assisting application support teams with issue resolution. I served on the.

Pleasanton CA

Responsible for managing the desktop, server and network teams, which are segregated from the corporate teams by government regulation. Lead various projects in areas of networking, server, and desktop initiatives. In addition to a lead role, I acted as the CEO’s personal executive support and the customer interface for the Chief of Staff, coordinating all.

Pleasanton, CA

Initially contracted for desktop services, however I was quickly hired and promoted into a lead role. I identified various issues with the environment (lack of switching and a supernet that slowed down access, lack a central helpdesk and ticketing system, backup failures, exchange database hadn’t been compressed in years, rompaqs had not been updated in.

Oakland, CA

Responsibilities included support for Windows servers, VPN and SecurID administration, application, O/S, and hardware support. Contributed to central knowledge base and participated in software and infrastructure pilots.

San Ramon, CA

Primary responsibilities included identity and access management across Windows and Novell environments, SecurID and Citrix Administration. Provided troubleshooting and support for remote access, desktop hardware, O/S, and network to users worldwide.

San Mateo CA

Primary responsibilities include: desktop, server, and network support. Secondary responsibilities include: Profit Key database COBOL programmer.

Oakland Federal Buildings, Berkley Site Office, And LLNL

TRESP contracting to the U. S. Department of Energy: Desktop Support Technician: Provided Windows and Novell account administration, as well as phone and on-site technical support to users.

U.S. Navy

• Duty Location: Recruit Training Command (RTC) Orlando Florida Duty Location: Naval Air Station (NAS) Meridian Mississippi Duty Location: NAVHOSP/NAVMEDCEN Oakland Duty Location: USNS Mercy TAH-19 – DEPMEDChemical.
• Certified Emergency Underwater Escape Trainer N8/9D5
• Certified Nuclear Biological Chemical warfare decontamination HSETC class 95010
• Certified Damage Control
• Certified Firefighting
• Certified Life Raft Commander