Workllama LLC.
Senior Systems Administrator
July 2019 - Present
Sr. System Administrator in a cutting-edge SaaS / Agile development environment, directly supporting users and infrastructure both locally and abroad. Responsibilities include managing & upgrading infrastructure, storage and systems in a Hybrid Cloud environment with a focus on HIPAA compliance, Information Assurance, and Information Security.
- Evaluate and recommend necessary changes in performance tuning, infrastructure design and monitoring.
- Conduct technical evaluations to aide in physical and logical design of architecture and infrastructure planning
- Analysis of technical issues and tests to maintain, modify, integrate, monitor and ensures proper automation software systems.
- Provision and utilize open source monitoring systems (Zabbix/Prometheus/Grafana).
- Experience with Web server administration (Apache/Nginx)
- Working exposure to networked storage (SAN, NAS)
- Maintained a virtualized environment via VMware (ESXi/KVM/vSphere) and containerization (Kubernetes and Docker)
- Performed Data Center installation and maintainence
- Configured and maintained Core Infrastructure (L3 Switches/Firewalls/Blade Servers/etc)
- Experience with Database Administration (MySQL/PostgreSQL/Mongo) and High Availability
- Creation of scripts to automate tasks (Bash, Perl, Python)
Dispersive Networks Inc.
Escalations Engineer / Customer Advocacy Engineer
December 2018 - July 2019
As an Escalations Engineer / Customer Advocacy Engineer, I regularly debug and repair Linux, MySQL Databases, and Windows systems to ensure usability and adherence to best-practices. I served as L4 support for end-user and partner bugs, issues while also positioned as an entry point of new feature development and application optimization.
- QA Testing of Software prior to general release
- Creation of Virtualized Lab Environments using Docker, VMWare, and AWS for testing
- MySQL Database administration
- Database Clustering and hardening
- ocumentation creation and validation
- Stress testing of software and networks
- Assist with Ansible planning and design to create Automation Processes
- Data Center maintenance and installation
- Application debugging
- Containerization of Applications and environments for rapid deployment
ImSAR, LLC
Linux Network Administrator
August 2016 - December 2018
As a Linux Network Administrator, I regularly perform maintenance, debugging, and repair of Linux and Windows operating systems as well as MySQL Databases. I leverage the power of scripting (bash and perl) to facilitate automation of tasks (e.g. Health Checks, Security scans, Network Monitoring, etc.). As a Network Administrator with a focus in Linux, I also perform group policy and user administration tasks to ensure availability and up-time.
- Repair and maintain radar sensors and proprietary equipment
- RAID array administration via Red Hat Enterprise Linux
- MySQL Database administration
- Troubleshooting agile hardware and software issues
- Linux and Windows group policy management
- Leverage Perl and Bash scripting to assist in Process Automation
- First Level contact for Information Security issues
- Oversee Quality Assurance tasks for equipment validation
- Management of Palo Alto firewall rules to ensure network segmentation.
MBLOX Inc.
Lead, Network and Client Operations Engineer
September 2014 - August 2016
As a team leader in the Client and Network Operations Center (CNOC), I am the single point of escalation for all junior engineers ensuring speedy resolution to network and/or client impacting issues.
- Monitor work queues to ensure equitable work distribution and resource allocation.
- Teach and mentor junior engineers to enhance their skills and support practices.
- Collaborate with Management on quality assurance audits to identify opportunities for improvement.
- Employ troubleshooting techniques to define problems, collect data, establish facts, and bring issues to resolution.
- Participate in the incident management and review process as requested.
- Utilize Various Programming Languages for Process Automation.
- Utilized the Linux environment for fault detection, traffic monitoring, and et cetera.
Airwatch by VMWare
Network Technician
March 2012 - September 2014
As a Network Technician, I assisted with the installation and on-going support of Wi-Fi HotSpots across the United States and Canada. Detailed information and records were collected from various locations onto reports while providing Help Desk support to Installation technicians as well as End-Users. I used a wide array of software to aid in latency reduction and connectivity resolution.
- Maintain and increase product knowledge on applicable products/applications via training, documentation and personal research.
- Track, monitor, and follow up on inquiries or requests to ensure client and end user satisfaction.
- Worked closely with the development and test teams to ensure issues are corrected and usability problems are understood.
- Performed localized testing to optimize communications equipment.
- Configuration of Wireless equipment remotely to ensure network reliability and end user access to internet resources.
- Worked closely with the development and test teams to ensure issues are corrected and usability problems are understood.
US Army Reserves
Nodal Network Administrator
May 2011 - Present
As a member of a team, I maintain multi-tier networks using Cisco Routing and Switching as well as multiple encryption devices. As a team leader, tasks are delegated to all team members to ensure that set goals were reached successfully with availability being a focus. I ensure, through packet monitoring, that there is no spillage of Classified Information into non-secured networks while providing access control to the Network and ensuring that current Information Assurance policies and best practices were upheld.
- Perform network management functions in support of maintaining, troubleshooting and re-engineering of nodal assets.
- Plan, install, operate and maintain network switching equipment.
- Plan, install, and maintain VoIP networks utilizing Cisco Routers, Switches, and a dedicated Call Manager.
- Implementation of ASA Firewalls and Intrusion Detection Servers (IDS) to ensure network security.
- Utilization of virtualized network analysis tools such as Snort and Firepower IDS/IPS for network and anomaly-based intrusion detection
- Implementation and operation of Communication Security(COMSEC) equipment to allow Classified Data and VoIP access for approved clients.
- Worked as a team leader within an assigned group to complete all assigned task in a timely manner.
- Operation of Satellite Transmission equipment to enable communication with distant networks / nodes.
- Use of RF, UHF and VHF equipment to establish long-range communications
- Utilized NetApp and VMware ESXi 5.5 (vSphere 5.5) to host network utilities
US Army (Active Duty)
Signal Support Specialist
Jan 2008 - May 2011
- Assisted in the development and launch of secure, recoverable and fault-tolerant systems for data access and identity management.
- Maintained inter-connectivity between remote locations in hostile regions(e.g. Afghanistan).
- Offered repair services for communications equipment.
- Maintained encryption keys to allow the encryption of RF, data, and voice.
- Protected vulnerable networks following detailed risk assessments.
- Ensured that connected users complied with the Information Assurance policies detailed by the Department of Defense.
- Perform system, server, and workstation audits and post reviews weekly.
- Prepare weekly audit reports on findings and anomalies.
- Maintain servers, workstations, and use Active Directory to create user accounts and add computers to the domain.
