Darryl Blonski
Details
● Design and implement Ansible playbooks / roles and custom scripts to automate the remediation of software vulnerabilities.
● Design and implement Ansible playbooks / roles and custom scripts to automate the installation and configuration of Parsons internally developed software, as well as supporting software, such as Docker, Kubernetes, PostgreSQL, Cloudshark, MySQL/MariaDB, Kafka, Zookeeper, Accumulo, Elasticsearch, and MongoDB.
● Troubleshoot and repair deployment and operational issues with Parsons internally developed and supporting software.
● Develop and maintain software deployment guides and confluence pages for internally developed software.
● Design, develop and maintain internal tools used by developers, QA, and DevSec personnel.
2019 : Present
Parsons Corporation
CyberSecurity Systems Engineer, Principal
● Successfully oversaw the repair and upgrade of the DCGS Single Source (DSS) codebase, and integration with DCGS-A V3 intelligence fusion system and released the first operational version of Single Source for DCGS-A.
● Manage software maintenance and development activities for DSS (DCGS Single Source), including the coordinating the activities of developers as well as fulfilling reporting requirements of prime contractor.
● Work with government POC to evaluate and prioritize bugs and coordinate bug fixes with developers.
● Generated, updated, and modified all system documentation, including, but not limited to, Users’ Guides, Software Test Plans / Descriptions (STP/STD), Maintenance Guides, Software Version Description (SVD), Software Design Description (SDD), and diagrams and drawings.
● Authored all automated Puppet modules for deployment and configuration, initd scripts for DSS services, SQL and CTL files for importing data into Oracle database, and various other shell scripts.
● Provide DevOps support for DCGS-A Single Source, successfully troubleshooting Jenkins build issues and Ant build scripts.
● Analyzed and assessed the cybersecurity posture of a prototype US Army database system designed to replace the database engine behind DCGS-A.
● Designed and authored Puppet modules for Puppetmaster to assure the secure configuration of component machines running Red Hat Enterprise Linux, as well as automate the installation and configuration of component software (e.g., MongoDB Enterprise, Elasticsearch, Jetty, etc.).
● Generated and provided artifacts to facilitate system accreditation utilizing DOD RMF.
2018 : 2018
CyOne
Senior Systems Engineer
● Generated and provided artifacts to facilitate system accreditation utilizing DOD RMF
● Analyzed, assessed, and refined the cybersecurity posture of D-CAT, a prototype US Army database system designed to replace DCGS-A V3.
● Designed and implemented auditing solution for D-CAT using Elasticsearch, Logstash and Kibana (ELK).
● Designed and authored Puppet modules for Puppetmaster to assure the secure configuration of component machines running Red Hat Enterprise Linux, as well as automate the installation and configuration of component software (e.g., MongoDB Enterprise, Elasticsearch, JBoss, et cetera).
2015 : 2018
CyOne
Senior Cybersecurity Architect
● Building prototype next-generation IPC-2 system.
● Performing integration and design on US Army DCGS-A IPC-2 system, an IaaS private cloud.
● Performed integration on US Army DCGS Edgenode system, a miniature version of the DCGS Standard Cloud system, utilizing a wide variety of technologies, including Hadoop, Accumulo, Ganglia, Condor, Puppet, Fedora Cobbler, JBoss, MySQL and Nagios, running on Redhat Enterprise Linux 5.
● Designed and implemented several programs written in Python, including 'Gather', to query information from remote servers and generate documentation and 'cexec', a utility for remotely running commands on sets of remote servers, and SwitchConfig which automatically configures and updates network devices.
● Designed and implemented numerous Bash shell scripts to facilitate the administration of Redhat Enterprise Linux 5 & 6.
● Designed and implemented numerous custom Puppet modules and a scalable, highly efficient Puppet node classifier to facilitate the provisioning of network servers with Puppet open source.
● Performed troubleshooting of various problems with US Army cloud computing cluster and associated configuration scripts written for Puppet.
● Built HA IAAS solutions utilizing OpenNebula, KVM, and VMware ESXi / vCenter and distributed file systems (GFS2 / Glusterfs).
● Built and administered provisioning servers using Fedora Cobbler and Puppet Open-source, a Zabbix network monitoring server as well as associated MySQL servers, and numerous web servers running JBoss and Apache Tomcat.
● Configured boot server and operating system image to PXE boot and run disk-less workstations from a single NFS mounted root file system.
● Designed and implemented a service to download and activate unique configurations on disk-less workstations.
● Researched, authored, edited and proof read instructional documentation and training material.
● Researched and authored instructional documentation.
2012 : 2015
Vistronix, Inc.
Senior Systems Engineer
● Act as the chief technical adviser to the President.
● Designed and implemented entire IT infrastructure including switches, routers, Linux based VPN concentrator, NAS, CentOS servers and Windows XP workstations.
● Responsible for the installation, configuration, maintenance and troubleshooting of all WAN links, VPN concentrators, VoIP and telephony systems, servers and workstations.
● Responsible for all in-house development efforts.
● Pioneered proprietary tools and methods used to recover data from damaged or otherwise unreadable media.
2005 : 2015
Ultra Media Video Labs, LLC.
Chief Information Officer
About
An efficient and effective Cybersecurity professional with ninteen years of experience as a Linux Administrator, twelve years of experience as a Network Engineer and Ten years’ experience in Cybersecurity. Has extensive experience configuring and integrating software and hardware from multiple vendors, experience with a wide range of operating systems and servers, as well as programming in C / C++, and scripting in Python and Bash.
Specialties:
● Cybersecurity (CISSP and Security+ Certified)
● Linux Systems Engineering and Administration (RHCE Certified)
● Vulnerability Management and Remediation
● System / Network Monitoring
● Virtual Infrastructure Design and Maintenance in AWS and VMware.
● Deployment and Management of Containerized Applications with Docker and Kubernetes.
● Network Engineering and Administration
● Network Storage Administration (NAS / SAN)
● Windows Systems Engineering and Administration
● Object Oriented Development and Programming
● Research and Development