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Mario S. Email & Phone Number

Senior Penetration Tester | Expert in Application Security, Red Teaming, and Penetration Testing | CISSP, CISM, CASP, OSCP, GCIH, GPEN, GRTP, GWAPT, GFACT, GSEC, eWPT, CRTO, CRTL | HTB Elite Hacker Rank at OneZero Solutions
Location: Washington DC-Baltimore Area, United States, United States 9 work roles 10 schools
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Role
Senior Penetration Tester | Expert in Application Security, Red Teaming, and Penetration Testing | CISSP, CISM, CASP, OSCP, GCIH, GPEN, GRTP, GWAPT, GFACT, GSEC, eWPT, CRTO, CRTL | HTB Elite Hacker Rank
Location
Washington DC-Baltimore Area, United States, United States

Who is Mario S.? Overview

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Mario S. is listed as Senior Penetration Tester | Expert in Application Security, Red Teaming, and Penetration Testing | CISSP, CISM, CASP, OSCP, GCIH, GPEN, GRTP, GWAPT, GFACT, GSEC, eWPT, CRTO, CRTL | HTB Elite Hacker Rank at OneZero Solutions, based in Washington DC-Baltimore Area, United States, United States. AeroLeads shows a matched LinkedIn profile for Mario S..

Mario S. previously worked as Sr. Penetration Tester at Onezero Solutions and Volunteer Software Engineer | Board Member at Act Now Education. Mario S. holds Master Of Science - Ms, Cybersecurity And Information Assurance from Western Governors University.

Company email context

Email format at OneZero Solutions

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OneZero Solutions

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Profile bio

About Mario S.

As an ethical hacker, red teamer, and cybersecurity analyst, I am driven by the challenge of securing networks and systems against cyber threats. With a keen ability to adapt to new technologies and stay up-to-date with the latest cybersecurity trends, I provide effective solutions for businesses of all sizes.My passion lies in the constant pursuit of staying ahead of emerging cyber threats and using my skills to help clients protect their valuable assets. I am highly motivated by conducting penetration tests to identify vulnerabilities and developing comprehensive security solutions.Throughout my career, I have successfully identified and remediated over 200 critical vulnerabilities for various clients. In one notable project, I led a team that implemented a comprehensive security solution, reducing the client's risk of cyber attacks by 80%. Additionally, I have conducted 50+ penetration tests, helping clients identify and address potential security threats before they could be exploited by malicious actors.In my free time, I am dedicated to giving back to the community through various volunteer roles. As a Web Developer and Board Member for ACT Now Education, I collaborate with an incredible team to provide resources to the military, military spouses, and Veteran communities. In my role as an Ambassador and Student Virtual Judge for eCYBERMISSION, I encourage youth involvement in community-based STEM projects.Additionally, as a Student Ambassador with Service to School (S2S), I guide and mentor veterans through the college admissions process, degree planning, and goal setting. I also serve as a mentor with Veterati, coaching military veterans, first-generation, and underrepresented populations on how to prepare for acceptance into higher education institutions and maximize their educational benefits.I am passionate about inspiring others and helping them unlock their full potential. I firmly believe that knowledge is power, and through lifelong education, we can empower the youth, support our community, and grow together.Feel free to connect with me on LinkedIn to discuss cybersecurity challenges, share insights, or explore collaboration opportunities.

Listed skills include Leadership, Team Building, Information Technology, Information Security, and 46 others.

Current workplace

Mario S.'s current company

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OneZero Solutions
Onezero Solutions
Senior Penetration Tester | Expert in Application Security, Red Teaming, and Penetration Testing | CISSP, CISM, CASP, OSCP, GCIH, GPEN, GRTP, GWAPT, GFACT, GSEC, eWPT, CRTO, CRTL | HTB Elite Hacker Rank
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9 roles

Mario S. work experience

A career timeline built from the work history available for this profile.

Sr. Penetration Tester

Current

Alexandria, VA, US

Dec 2023 - Present

Volunteer Software Engineer | Board Member

Current

Ellicott City, Maryland, MD

May 2021 - Present

Information Technology Security Specialist | Penetration Tester

Milwaukee, WI, US

Nov 2022 - Dec 2023

Lead Associate | Cyber Mission Specialist

Mclean, VA, US

Jun 2021 - Nov 2022

Penetration Testing And Incident Management Specialist | Cyber Watch Officer

Joint Service Provider
May 2019 - May 2021

Security Assessment | Network Security Specialist

Joint Service Provider
Aug 2018 - May 2019

Annual Service Interruptions Manager | Trusted Agent

Joint Service Provider
Aug 2018 - May 2019

Network Security Specialist

Arlington, Virginia, US

Aug 2017 - Aug 2018

Network Security Specialist

Arlington, Virginia, US

Feb 2013 - Jul 2017
10 education records

Mario S. education

Master Of Science - Ms, Cybersecurity And Information Assurance

Western Governors University

Master Of Business Administration - Mba

Trident University International

Bachelor’S Degree, Network Operations And Security

Western Governors University

Associate Of Science - As, Pre-Nursing Studies

Frederick Community College

Associate Of Arts (A.A.), Psychology

Frederick Community College

Cybersecurity-System Administration Certificate Program

Purdue University Northwest

Full Stack Web Development | Ux/Ui Design | App Development

Reskill Americans

Advanced Leadership Development Course

Cyber Center Of Excellence Nco Academy

Basic Leadership Development Course

Cyber Center Of Excellence Nco Academy

Advanced Red Team Operations

White Knight Labs
FAQ

Frequently asked questions about Mario S.

Quick answers generated from the profile data available on this page.

What company does Mario S. work for?

Mario S. works for OneZero Solutions.

What is Mario S.'s role at OneZero Solutions?

Mario S. is listed as Senior Penetration Tester | Expert in Application Security, Red Teaming, and Penetration Testing | CISSP, CISM, CASP, OSCP, GCIH, GPEN, GRTP, GWAPT, GFACT, GSEC, eWPT, CRTO, CRTL | HTB Elite Hacker Rank at OneZero Solutions.

Where is Mario S. based?

Mario S. is based in Washington DC-Baltimore Area, United States, United States while working with OneZero Solutions.

What companies has Mario S. worked for?

Mario S. has worked for Onezero Solutions, Act Now Education, Experis/Manpower Group, Booz Allen Hamilton, and Joint Service Provider.

How can I contact Mario S.?

You can use AeroLeads to view verified contact signals for Mario S. at OneZero Solutions, including work email, phone, and LinkedIn data when available.

What schools did Mario S. attend?

Mario S. holds Master Of Science - Ms, Cybersecurity And Information Assurance from Western Governors University.

What skills is Mario S. known for?

Mario S. is listed with skills including Leadership, Team Building, Information Technology, Information Security, Public Speaking, Linux, Client Relations, and Personnel Management.

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