Elijah Berumen
Denver,CO
Summary
Ambitious IT Systems Administrator with experience in cybersecurity industry, seeking Systems Engineering/Administration related position to provide value and innovation to a challenging environment and further develop technical skill set. Interests in IT Systems/Security, Cloud Computing. Strong work ethic and flexibility applied to both professional and academic experience.
Overview
5
5
years of professional experience
1
1
Certification
Work History
IT Systems Administrator
Optiv Security Inc.
05.2021 - Current
- Ubuntu, Kali Linux, Windows Server system and network administration for penetration testing lab in multi-site production environment supporting both physical/virtual servers including 100+ ESXi VMs while leveraging Ansible for configuration management and maintenance.
- Improved automation of software installation, configuration, and deployment of Kali Linux based custom security testing appliances, increasing setup efficiency by 10% per device being imaged.
- User account management and access control utilizing MS Active Directory, Group Policy, LDAP authentication
- System performance monitoring and redundancy implemented for maximum reliability/uptime, enabling end-users with optimal experience
IT Intern
Optiv Security Inc.
05.2020 - 05.2021
- Provided remote IT desktop incident response, hardware/virtual machine provisioning, software installation/configuration using SCCM/JAMF for 2000+ user environment
- Developed Powershell script to automate patching of security vulnerability (EOL software).
- Gained better understanding of enterprise-level IT systems though collaboration with several teams including IT Asset Management, Core Infrastructure, and SecOps on various respective departmental initiatives.
- Ad hoc creation of documentation that enabled end-users to leverage system features and find resolutions in timely manner.
Desktop Support Intern
Optiv Security Inc.
05.2019 - 08.2019
Education
Bachelor of Science - Computer Science
University Of Colorado Boulder
Boulder, CO05.2021
Skills
- Proficient in Linux/Unix OS administration(Ubuntu, RHEL, Kali), VMware ESXi, Python, PfSense CE
- Working knowledge of Docker, Bash Scripting, Ansible, Git/GitLab, Powershell, PRTG
- Familiar with configuration of Apache/Nginx, OVPN, MySQL
- Effective teamwork and communication reflected in academic and professional experience
- Systematic problem-solving approach and adaptability for new tools/technologies
- Fluent in Spanish - speaking, reading, and writing
Certification
- Red Hat Certified System Administrator(EX200), July 2023
Timeline
IT Systems Administrator
Optiv Security Inc.
05.2021 - Current
IT Intern
Optiv Security Inc.
05.2020 - 05.2021
Desktop Support Intern
Optiv Security Inc.
05.2019 - 08.2019
Bachelor of Science - Computer Science
University Of Colorado Boulder
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