David Lett
Cyber Security Engineer at Infranet Technologies Group, Inc.- Claim this Profile
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English Competencia bilingüe o nativa
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Spanish Competencia profesional completa
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Chinese Competencia básica
Topline Score
Bio
Credentials
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Blue Team Level 1
Security Blue Team -
Azure Fundamentals
Microsoft -
Junior Penetration tester
eLearnSecurity -
CompTIA Security+
CompTIA -
BurpSuite
TryHackMe -
Wireshark
TryHackMe
Experience
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Infranet Technologies Group, Inc.
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United States
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IT Services and IT Consulting
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1 - 100 Employee
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Cyber Security Engineer
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nov. de 2021 - - actualidad
• Triaged and resolved tickets ranging from breech and incident response down to simple password resets• Responded to and investigated phishing emails checking for DMARC, SPF and DKIM implementation • Responded to and investigated suspected malicious activity alerts and threats, resolving them in an average of 2-3 hours using a variety of tools and manual methods such as auditing OS, event and security logs• Reviewed weekly security incident reports for new threats as well as investigating and remediating them when necessary using log analysis, packet captures and publicly available information• Conducted phishing and security awareness campaigns and summarized results for stakeholders• Conducted incident handling and response table top exercises• Conducted patch and vulnerability management across 500+ machines in various environments (servers and workstations)• Hardened devices (servers and workstations) and networks• Created baselines for improving SIEM alerts• Managed Active Directory and Azure Active Directory for 500+ machines across 20+ client environments• Managed global and client specific block and allow list for email security, Meraki firewall configurations and DNS filtering applications• Implemented and managed MFA for users across multiple organizations (DUO, Azure AD, Windows AD)• Managed Office 365 accounts including email and profile migrations• Configured and helped to troubleshoot VPN setups including MFA and encryption methods• Managed bit locker and drive encryption for 500+ machines• Installed and configured backups
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Dominion Leasing Software, LLC
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United States
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Software Development
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1 - 100 Employee
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Developer
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ago. de 2020 - - actualidad
• Promoted from Junior Developer to Developer after 1 year • Helped with the final steps of the conversion of legacy code base from VB6 to VB.NET• Assisted clients with getting and restoring SQL database backups of both Test and critical Production systems• Conducted QA from both a user and developer perspective• Assisted other developers with code reviews and debugging• Collected and implemented requirements from clients as custom modifications within base system code or as extension of already established functionality Performed level 0 and level 4 IT support for 20+ clients, including troubleshooting of proprietary software, client network and database connections, interactions with outside vendor software• Provided security recommendations when appropriate for clients running multiple different servers that required integration with company software, including the use and implementation of TLS, VPN software, FTP servers, and system account permissions• Assisted with the creation of company technical documentation for both internal staff and external clients• Served as the primary contact for emergency support problems that occurred after hours on a rotating basis
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Junior Developer
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jul. de 2019 - ago. de 2020
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Virginia Commonwealth University
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United States
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Higher Education
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700 & Above Employee
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Fiscal Technician
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ago. de 2015 - jul. de 2019
Managed a wide variety of administrative and fiscal functions for the Division and Department. Functioned in a proactive staff capacity, exercising independent decision making, and performing multiple duties related to division-wide programs, projects, and issues which cross division operational and administrative interests. Provided IT level 1 and 2 support for 50+ individuals in the Division and Department as a whole. Managed a wide variety of administrative and fiscal functions for the Division and Department. Functioned in a proactive staff capacity, exercising independent decision making, and performing multiple duties related to division-wide programs, projects, and issues which cross division operational and administrative interests. Provided IT level 1 and 2 support for 50+ individuals in the Division and Department as a whole.
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Virginia General Assembly
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Political Organizations
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1 - 100 Employee
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Finance Specialist
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nov. de 2014 - mar. de 2015
● Bookkeeping● Accounting● Purchasing/reconciliations● Calculating, posting, and verifying duties to obtain primary financial data for use in maintaining accounting records ● Bookkeeping● Accounting● Purchasing/reconciliations● Calculating, posting, and verifying duties to obtain primary financial data for use in maintaining accounting records
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Education
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Virginia Commonwealth University
Post Baccalaureate, Computer and Information Systems Security/Information Assurance -
Virginia Commonwealth University
Bachelor of Arts (B.A.), Political Science /International Relatins -
Virginia Commonwealth University
Bachelor of Arts (B.A.), Spanish Language and Literature