Remote Ubuntu Security Engineer – Open Source Defender

JobCubby; Saudi Arabia; On-site; SAR 180,000 - 300,000; Full time

Benefits offered by this job

Annual holiday leave

Learning budget USD 2000 per year

Travel opportunities

Job summary

JobCubby in Saudi Arabia is seeking a Ubuntu Security Engineer to join a globally distributed security team. You will investigate vulnerabilities, patch open source components, and collaborate with upstream developers and community members to deliver robust fixes.

The role blends hands-on security engineering with software development, code auditing, vulnerability research, and tooling. Open to graduates through senior engineers with strong technical potential and a passion for security.

Qualifications

• Strong understanding of common software security vulnerabilities and attack techniques.
• Experience with coordinated vulnerability disclosure practices and responsible security communication.
• Familiarity with open source development tools, workflows, and methodologies.
• Proficiency in at least one programming language (C, Python, Go, Rust, Java, JavaScript).
• Experience with Linux, ideally Ubuntu or Debian-based environments.
• Excellent communication skills and ability to explain security issues to engineers and contributors.
• Strong interpersonal and collaboration skills across cultures and distributed teams.
• Curiosity, adaptability, and a genuine interest in emerging threats and tech.
• Self-motivation and ability to manage priorities independently.

Responsibilities

• Analyse, investigate, fix, and test vulnerabilities affecting Ubuntu ecosystem.
• Monitor and track vulnerabilities using internal security tools and processes.
• Collaborate with internal teams, upstream developers, and the open source community to develop patches.
• Audit source code to identify security weaknesses and vulnerabilities.
• Assess risks and help prioritise remediation based on impact and urgency.
• Design and develop features, automation, and tooling to improve security.
• Document findings and remediation activities clearly.
• Contribute to security initiatives across the open source ecosystem.

Skills

Vulnerability analysis

Vulnerability disclosure

Open source tools

C

Python

Go

Rust

Java

JavaScript

Linux

Communication

Collaboration

Curiosity

Self-motivation

Education

Bachelor's degree in Computer Science or related

Tools

Git

Security tooling

Job description

JobCubby in Saudi Arabia is seeking a Ubuntu Security Engineer to join a globally distributed security team. You will investigate vulnerabilities, patch open source components, and collaborate with upstream developers and community members to deliver robust fixes.

The role blends hands-on security engineering with software development, code auditing, vulnerability research, and tooling. Open to graduates through senior engineers with strong technical potential and a passion for security.