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Professional Summary

Cybersecurity / DevSecOps / Linux Administrator

An efficient and effective technical professional with 18 years of experience in Cybersecurity, 8 years experience in DevOps and over 25 years experience as a Linux Administrator.

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Cybersecurity

Cybersecurity

I've worked in Cybersecurity since 2008, performing numerous tasks in various roles throughout my career. I've done everything from vulnerability scanning to disaster recovery planning, compliance testing and management, vulnerability mitigation, system auditing and forensics, authoring RMF documentation, and working hand-in-hand with security controls assessors. I currently hold a CompTIA Security+ and ISC2 CISSP certifications as well as a Red Hat Server Security Specialist in Linux certification.

DevSecOps

DevSecOps

The vulnerability that gets caught in development is one that is never exploited in the wild. Integrating Cybersecurity into the software development process as early as possible can save a company from millions in lost revenue should one be exploited. I'm adept as integrating vulnerability scanners and static applications security tools into CI/CD pipelines and automating reporting and alerting.

Linux Administration

Linux Administration

I've worked with Linux since Red Hat 5. Not Red Hat Enterprise Linux 5, but Red Hat 5 (yes, 15 versions ago). I earned my Red Hat Certified Engineer (RHCE) certification in 2007, and have been actively administering Linux systems for over 20 years. This includes system hardening, service configuration (auditd, dhcpd, firewalld, fapolicyd, SELinux, exim, Sendmail, cups, Samba, etc.), and server software, such as Postgresql, MySQL / Mariadb, JBoss, Tomcat and Squid, and countless others. 

Network Engineering

Network Engineering

During my employment with the US Army, I worked as one of two network engineers for the CECOM Software Engineering Center, at Fort Monmouth. When Fort Monmouth closed, I helped build the replacement datacenter at Aberdeen Proving Ground, MD.
I have extensive experience securely configuring Cisco Routers, Cisco Nexus and Catalyst series of switches, as well as layer 2/3 devices from Mellanox, Dell, and Unifi and Cisco Aeronet and Unifi wireless access points. In keeping with my security experience, I am also adept at configuring SonicWall and OPNsense firewalls.

Virtualization and Containers

Virtualization / Containerization

I've spent considerable time building, maintaining and deploying virtual machines in VMware vSphere and Red Hat Enterprise Virtualization / KVM, as well as containerizing applications with both bare Docker and Kubernetes. I've build customized VMs and containers for software builds, for server applications (e.g., Postgresql/Timescaledb, Apache Tomcat, JBoss), hardware management platforms (e.g., Unifi Controller) and vulnerability scanning (e.g., Nessus, Trivy, Fortify SCA, etc.).

Technical Writing

Technical Writing

As well as User Guides and Service Manuals, I have been authoring and maintaining a variety of documents in support of my projects, including, but not limited to policy documents, software engineering documentation such as Software Requirements Specifications (SRS), Software Design Descriptions (SDD), Software Version Descriptions (SVD), etc. as well as technical bulletins. And I though my Software Engineering Masters Degree wasn't going to come in handy...

Address:

Manalapan, NJ 07726

Contacts:

Email:  darryl@blonski.com
Phone:  732-479-4310

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