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Blake Mennen

Security/Systems Administrator - Passionate about Building & Maintaining an Optimal Work Environment

  • Experience managing server infrastructures across multiple platforms (Unix, Linux, Windows). Able to effectively plan, install, configure and optimize IT infrastructures to consistently achieve high availability and performance.
  • Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.
  • Quick learner who is always eager to learn and master new technologies; equally successful in both team and self-directed settings.

Professional Experience

Sept 2018Present

Security Operations Administrator

Sony Interactive Entertainment, LLC
  • AWS Cloud Infrastructure and Security
    • Creating and maintaining a secure cloud environment using:
      • Virtual Private Clouds (VPCs) and Security Groups
      • Hardened EC2 instances based on the latest CIS security benchmarks
      • Controlled access using IAM Roles and Policies
    • Deployment of services in multiple regions and availability zones for High Availability (HA)
      • Creation of AWS Auto Scaling Groups
    • Automated deployment of services using Infrastructure as Code and a Continuous Integration/Continuous Deployment pipeline
      • Jenkins, Ansible, and CloudFormation
  • Secrets Management
    • Securing passwords, certificates, encryption keys, and other secrets/sensitive data using Hashicorp Vault, CyberArk, and AWS Secrets Manager
  • Web Application Firewall (WAF) Administration
    • Creating and maintaining firewall policies to mitigate/block DoS/DDos attacks, Cross-Site Scripting (XSS) attacks, SQL injection, and Brute Force/Password List Attacks.
    • Akamai Kona
    • Imperva Securesphere
  • Security Monitoring
    • Database Activity Monitoring using McAfee DAM
    • File Integrity Monitoring using CloudPassage
    • Vulnerability Monitoring and Patching
    • Cloud Security Monitoring using Prismacloud and AWS GuardDuty
  • Security Compliance
    • PCI DSS
Aug 2017Sept 2018

Systems Administrator

QuadraNet, Inc.
  • Deploying and maintaining servers in a 24/7/365, multi-platform (primarily CentOS/RHEL), data center environment serving live websites and customers.
  • Responsible for configuring and troubleshooting LAMP server environments.
  • Server security:
    • Firewall configuration: iptables, firewalld, CSF, and Windows Firewall.
    • Mitigating DDoS and brute-force attacks.
    • Implementing best-practices such as RSA key authentication and enabling remote access (SSH/VNC/RDP) over non-standard ports.
  • Server migrations with little-to-no downtime.
  • RAID configuration (both hardware and software).
  • Maintains QuadraNet's own in-house Cloud platform, InfraCloud.
  • Networking:
    • VLAN management and switch configuration (primarily Cisco and Juniper).
    • Static routing
    • Server network configuration.
    • Troubleshooting network issues in a highly complex environment, working with several upstream network partners.
  • Documentation
    • Responsible for creating "run books" that document all QN policies, procedures, and common/complex issue fixes.
  • Proactive server monitoring and management.
    • Works with clients to conduct a Root-Cause Analysis following downtime.
    • Resolving issues before clients are even aware of them.
Nov 2016August 2017

Systems Administrator

DIRECTV (AT&T Entertainment Group)
  • Providing support to QA testers and Software Engineers.
  • LDAP Administration: Creating/removing accounts, managing user and group permissions.
  • Network configuration and management: VLAN management; installing and configuring routers (wired and wireless), Cisco switches, NTP servers, Network storage (NFS) servers, DHCP servers, and DNS servers.
  • Managing servers in a multi-platform environment (CentOS/RHEL and Windows Servers).
  • Linux system installs and configurations using iPXE and Kickstart.
  • Deploying and troubleshooting virtualization environments: VMware vSphere and ESXi.
  • Basic Bash Scripting
  • Automation using CFEngine.
  • Managing, updating, creating and installing repository packages.
  • Configuring and installing proprietary equipment.
  • Creating and updating thorough documentation.
JAN 2015May 2016

Systems Administrator

Groupt, Inc.
  • Worked directly with the CTO to design and deploy Linux servers from the ground up.
  • Conducted LAN/WAN/VPN administration
  • Installation and configuration of wireless access points.
  • Implemented and configured MySQL and PostgreSQL databases for Ubuntu server.
  • Improved redundancies by adding highly available (HA) and disaster recovery (DR) solutions like RAID configurations and internal cloud backup.
  • Employed TCP/dump and Wireshark to troubleshoot, repair system issues, and verify proper network paths were used.
  • Secured company data through implementation of SSL/TLS, server-side encryption, and writing SSL certificates and private keys.
  • Installed and configured issue and project tracking software JIRA by Atlassian.
  • Provided technical leadership for the team to utilize JIRA, Mattermost (self hosted Slack alternative), and ownCloud.
  • Administered and utilized JIRA ticketing system.
  • Managed projects simultaneously, kept current on all project updates, and attended weekly SCRUM meetings with Groupt team members
AUG 2014JAN 2016

Assistant Computer and Information Systems Manager

Sodexo, Inc.
  • Determined the information technology goals of the organization and implemented those computer systems to meet those goals.
  • Designed and deployed Microsoft Access database to manage payroll, inventory and customer orders.
  • Handled technical troubleshooting within an enterprise environment, including system crashes, slow-downs and data recoveries.
  • Trained managers and various employees on database usage and taught them basic technical skills.
Jan 2016Jan 2016

Social Media Specialist

Hollywood Foreign Press Association
  • Collaborated with Dick Clark productions to create and prepare content for the 73rd Annual Golden Globe's various Social Media accounts.
  • Posted images, videos and text to the official @GoldenGlobes Twitter for the entirety of the event.
  • Posted on and managed Instagram and Twitter accounts before and during the show.
  • Posted on GoldenGlobes Snapchat and Live Story.
Jun 2012Aug 2013

Assistant Computer Systems Manager and Audio Technician

Studio NoHo
  • Troubleshooted problems across various platforms including Mac Pro, Macbook Pro, iMac, and PC systems.
  • Cut and edited sound-work for multiple music videos using production software such as Final Cut, Logic Pro, and Pro Tools.
  • Set up and and maintained studio LAN network, personal computer systems, and recording equipment.
  • Researched and recommended network enhancements to higher management in order to improve system reliability and performance.
  • Implemented those recommendations and trained employees in its use and administration
  • Solved their file storage and backup issues by installing and configuring a NAS system.


Jan 2013May 2016

Bachelor of Science (B.S.) in Applied Information Management Systems

Loyola Marymount University
  • 3.1 GPA
  • Deans List
  • Studied abroad in South Korea, China, Germany, and Spain.


Computer Hardware and networking
  • LAN/WAN Administration, VPN, TCP/IP, Routers and Switches, Apache and Nginx Webservers
  • Systems Installation, Configuration & Upgrading
  • RAID configurations
  • Virtualization: VMWare vSphere, ESXi, OpenVZ, SolusVM, and XenServer.
  • Media Streaming Technologies
  • Audio/Visual Technologies
Mac, PC, and Linux Computer Platforms
  • Linux (CentOS/RHEL/Amazon Linux, Fedora, Ubuntu)
  • Windows XP/7/8/8.1/10
  • Windows Server 2012 R2, Windows Server 2016
  • Mac OSX
  • Android, iOS
Computer Security
  • Knowledgeable of computer security concepts and best practices.
  • Research and deployment
  • RSA and SHA encryption
  • DDoS Mitigation
Database Design, Management and Big Data Applications
  • MySQL/MariaDB
  • MongoDB
  • Relational Databases (RDBMS)
  • Data Integrity and Disaster Recovery
Programming and scripting Languages
  • Bash
  • Python