Roshan Jacob Vareed

About Me

I am a cybersecurity professional with hands-on experience in vulnerability management, DISA STIG compliance, and ICAM. I build reliable automation in Python, PowerShell, and Bash, and collaborate across teams to meet DoD RMF requirements. I also have a strong background in computer science, offensive security, and kernel development.

Education

Bachelor of Science in Computer Science

UTSA Honors College, Cyber Operations Track | GPA: 3.75

Graduation: May 2024

Experience

Cybersecurity Professional — Vulnerability Management & DISA STIG Compliance

Core4ce · Full-time | Sep 2025 – Present · San Antonio, TX (Remote)

• Conducted comprehensive vulnerability assessments, enhancing system security and compliance with DoD standards.
• Automated security processes using Python, PowerShell, and Bash, significantly improving operational efficiency.
• Collaborated with cross-functional teams to maintain compliance under the Risk Management Framework (RMF), ensuring a robust cybersecurity posture.

ICAM System Administrator

Cyber Cloud Solutions LLC · Full-time | Sep 2024 – Sep 2025 · San Antonio, TX

• Onboarded and integrated multiple web applications into Okta for the U.S. DoD, enhancing security and accessibility.
• Developed custom automation scripts to streamline identity lifecycle management.
• Managed cybersecurity permissions in compliance with Zero Trust principles, ensuring robust access control.

Grader

UTSA | 2023 – 2024

• Evaluated assignments and provided feedback to enhance student understanding in advanced computer science courses.
• Assisted professors with curriculum development to ensure alignment with industry standards.

Projects

• Gravitation Simulator – N-body particle simulation in C
• White Knight Pest Control – Commission Calculator – Online commission calculator for internal use
• OpenSSH Fork – Enhanced logging and optional automated encryption of logs
• Trace-geodesics – Solves 2nd-order nonlinear differential equations and displays results (C++)
• Linux Kernel Modification – Added a system call to display program memory allocation
• TCP Replay Attack Utility – Utility to simulate TCP replay attacks

Skills

• Languages: C, C++, Python, Java, x86 Assembly, SQL, Bash, PowerShell
• Specializations: Vulnerability Management, DISA STIG Compliance, RMF, Zero Trust, ICAM, Kernel Development, Distributed Systems, Networking, Offensive Security, Penetration Testing, Cryptography
• Tools: Okta, Wireshark, GDB, Git, OpenSSH, Linux
• Additional: Algorithmic design, theoretical computer science

Contact

If you'd like to get in touch, send me an email at roshanvareed@gmail.com or connect with me on LinkedIn.