David R. Chapman

Website: www.davidrchapman.com

LinkedIn: linkedin.com/in/davidrchapman

GitHub: github.com/davidrchapman


IT consultant in Northern California with over 20 years of experience.

Specializations include IT security, systems engineering and administration of physical, virtual, and cloud-based Microsoft Windows and Linux servers, Microsoft Active Directory, Microsoft Exchange, and Microsoft-UNIX integration.


Objective Business Systems - 3/22/2004 to Present

Sr. Consultant

California Secretary of State

California Association of School Business Officials

Advisory Group

Pacific Engineering

Quest Technology Management

Sr. Systems Engineer - 8/15/2011 to 5/9/2016

Superior Court of California


Pacific Coast Producers

EMC Corporation

Objective Business Solutions

Finale Business Solutions

SGS Testcom NGET Project

Kenai Systems, Inc

Compassoft Inc

Captus Networks, Woodland CA - 2/19/2001 to 3/22/2004

Systems Engineer


Amazon Web Services: Amazon Linux 2, Certificate Manager, CloudFront, CloudFormation, CloudTrail, CloudWatch, ElastiCache (Redis), Elasticsearch, ELB, GovCloud, IAM, RDS (MySQL), Route 53, S3, SNS, SQS, Systems Manager, VPC, VPN

Cloud Platforms: Amazon AWS, Microsoft Azure

DevOps: Ansible, AWS Systems Manager, AWS CloudFormation, Git, Infastructure as code

DNS Systems: BIND, Infoblox, Microsoft DNS Server

Linux Server: Ubuntu, Debian, Amazon Linux, RHEL/CentOS, Fedora

Linux Services: Apache, BIND, MySQL, PHP, Python, Postfix, Varnish

Microsoft AD: Active Directory 2000 to 2019

Microsoft Exchange: Exchange 2003 to 2013

Microsoft Services: Exchange, IIS, SQL Server, Hyper-V

Microsoft-UNIX Integration: Multi-Platform Authentication and Directory Services

Microsoft Windows Server: Windows NT to Windows Server 2019

Network Enumeration: Nmap, Nessus, eEye Retina

Network Troubleshooting: TCPDump, Wireshark, Etherpeek

Productivity Platforms: Microsoft Office 365 (GCC-High), Google G Suite

Scripting: Microsoft PowerShell, UNIX Shell Scripting, Python

Virtualization: VMware vSphere ESX(i) 4.0 to 5.5, Microsoft Hyper-V

Web: HTML5, CSS3, Python, Drupal CMS, MySQL, Apache, Varnish


ISC2: CISSP #54794

Amazon Web Services AWS Certified Solutions Architect - Associate (SAA) #T9SRW4MKM1FQ1PCS

Microsoft: MCSE

CompTIA: A+, Network+, Security+

Linux Professional Institute: Linux Essentials


B.A. UC Berkeley