Network Firewall and Software Manual Testing Engineer

substance; Singapore; On-site; SGD 55,000 - 75,000; Full time

Job summary

A technology firm in Singapore is seeking an experienced Network Firewall & Software Manual Testing Engineer to ensure the security of network systems through manual testing. You will work with developers to validate security configurations and identify vulnerabilities. The ideal candidate holds a Bachelor’s degree in IT or a related field, has experience in manual testing within cybersecurity, and possesses solid problem-solving skills. This role promises growth opportunities with a focus on real connections and impactful results.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Experience in manual software testing within networking environments.
• Familiarity with firewall and network security concepts.

Responsibilities

• Conduct manual testing of firewall and gateway software.
• Document test cases, results, and observations using Excel.
• Identify and log bugs and defects.

Skills

Software Testing

Manual Testing

Computer Networking

Problem-Solving Skills

Test Case Documentation

Education

Bachelor’s degree in Computer Science, Information Technology, or related field

Tools

Excel

Bug Tracking Tools

Job description

Overview

Substance is seeking a detail-oriented and experienced Network Firewall & Software Manual Testing Engineer to join our growing team. In this role, you will be responsible for ensuring the robustness and security of network systems by conducting comprehensive manual testing on firewalls and related software applications. You will work closely with development teams to validate security configurations and functionality, identifying vulnerabilities and performance issues before they affect the production environment.

Key Responsibilities

• Conduct manual testing of firewall and hotspot gateway software to ensure reliability and performance.
• Document all test cases, results, and observations using Excel or related software tools.
• Identify, log, and track bugs and defects, ensuring they are properly reported and addressed by developers.
• Perform various testing methodologies, including functional testing, regression testing, performance testing, and unit testing.
• Collaborate with developers and network engineers to troubleshoot and validate fixes.
• Take full ownership of assigned tasks, ensuring quality assurance objectives are met.
• Ensure compliance with network security standards and best practices.
• Continuously improve test cases and contribute to process enhancements.

Job Competencies

• Software Testing & Manual Testing (including Functional, Regression, Unit, and Performance Testing)
• Computer Networking principles and security protocols
• Strong logical reasoning and problem-solving skills
• Ability to work independently and take ownership of assigned tasks
• Experience with bug tracking and test case documentation tools is a plus

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Experience in manual software testing within networking or cybersecurity environments.
• Familiarity with firewall and network security concepts.
• Strong analytical and troubleshooting skills.
• Experience with testing tools and Excel-based test documentation.

At Substance, we value action over words. If your profile aligns with our needs, expect to hear from us within 1-2 weeks. If not, no fluff—just know we appreciate your interest and will keep you in mind for future roles where your expertise can make an impact. We focus on real connections and meaningful matches, ensuring the right opportunity finds you at the right time.

Getsubstance.co Pte. Ltd. | EA License No: 24C2398