Title:  Software & Systems Testing Lead

About ST Engineering

ST Engineering is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries where it operates a diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Our history spans more than 50 years, and our strategy is underpinned by our core values – Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture – from the people we hire, to working with each other, to our partners and customers.

About Codex Solutions  

A joint venture company by ST Engineering Mission Software & Services Pte. Ltd. and HTX (Home Team Science and Technology Agency), Codex Solutions is set up to be a dynamic and forward-looking technology company established to develop cutting-edge software solutions that support and strengthen Singapore’s homeland security efforts. As a mission-driven organisation, we are focused on building strong in-house capabilities that directly address the complex challenges faced by the Home Team.

With a strong emphasis on innovation, product excellence, and impact at scale, Codex Solutions offers a unique environment where purpose meets technology. We are assembling a diverse and talented team of technologists and problem solvers who are passionate about making a real difference. If you're looking to shape meaningful solutions and be part of something bigger — Codex Solutions is where you’ll want to be.

Together, We Can Make A Significant Impact 

We are looking for a dynamic and forward-thinking Software & Systems Testing Lead to drive the quality assurance strategy and execution across our software and integrated systems landscape. You will lead a team of QA professionals, establish best-in-class testing practices, and embed quality into every stage of the software development lifecycle.

This role is ideal for individuals who thrive at the intersection of leadership, innovation, and hands-on technical expertise.

Be Part of Our Success – Key Responsibilities

Testing Leadership & Strategy
Establish and enforce robust testing frameworks, combining manual and automated testing to ensure product quality, compliance, and reliability.

Risk-Based Quality Assurance
Champion risk-based testing methodologies to proactively identify vulnerabilities, mitigate risks, and prevent defects early in the development cycle.

Team Leadership
Lead and mentor a team of testing professionals, fostering a culture of continuous improvement, collaboration, and engineering excellence.

Cross-Functional Collaboration
Work closely with development, DevOps, and operations teams to integrate testing seamlessly into CI/CD pipelines and across the software development lifecycle (SDLC).

Innovation & Transformation
Drive innovation in QA by implementing AI-driven test automation, predictive analytics, and modern verification strategies to boost testing efficiency and accuracy.

Qualities We Value

• 8+ years of hands-on experience in quality assurance, testing methodologies, and system validation.
• Strong understanding of Agile, DevOps, and CI/CD practices, including test automation frameworks and tools.
• Experience in establishing testing standards, engineering best practices, and defining KPIs for performance tracking.
• Proven leadership in managing QA teams, test architects, and automation engineers.
• Familiarity with software security, compliance frameworks, and risk management practices.
• Excellent communication and stakeholder engagement skills, with the ability to influence cross-functional teams and drive quality outcomes.

Our Commitment That Goes Beyond the Norm

• An environment where you will be working on cutting-edge technologies and architectures.
• Safe space where diverse perspectives are valued, and everyone’s unique contributions are celebrated.
• Meaningful work and projects that make a difference in people’s lives.
• A fun, passionate and collaborative workplace.
• Competitive remuneration and comprehensive benefits.