Software Tester

AKKODIS SINGAPORE PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

AKKODIS SINGAPORE PTE. LTD. is seeking a hands-on Manual Tester/IVVQ Engineer to validate and integrate defence-grade systems across software, middleware and infrastructure.

You will execute IVVQ activities, create validation documentation, and collaborate with cross-functional teams to ensure customer requirements are met. The role emphasizes thorough system validation, API testing, and defect management, with travel to international sites as needed.

Qualifications

• Manual testing experience in enterprise or mission-critical systems.
• IVVQ/SIT/UAT experience and defect investigation skills.
• Ability to design test cases and document results.

Responsibilities

• Execute IVVQ activities for defence-grade systems.
• Prepare test plans, procedures, and validation documents.
• Perform functional, integration, system, regression and acceptance testing.
• Validate end-to-end workflows across software, middleware, databases and infrastructure.
• Validate API using Postman or SoapUI and message flows across Kafka/RabbitMQ.
• Identify, reproduce and document defects with development teams.
• Support FAT, SAT, UAT and operational readiness activities.
• Collect test evidence and produce validation reports for customer acceptance.
• Defect triage and regression testing with cross-functional teams.
• Collaborate with software, system, and infrastructure teams to resolve issues.
• Environment setup, release validation and CI/CD process participation.

Skills

Manual testing

IVVQ / SIT / UAT

Defect investigation

Test case design

System integration

Documentation

Cross-functional collaboration

Tools

Jira

Confluence

Postman

SoapUI

SQL

Linux

Docker/Kubernetes

Job description

About Akkodis

Akkodis is a global leader in engineering and R&D, leveraging the power of connected data to accelerate innovation and digital transformation. With over 50,000 engineers and digital experts across 30 countries in North America, EMEA, and APAC, Akkodis delivers deep cross-sector expertise across industries.

Akkodis offers strong capabilities in key technology areas including mobility, software and technology services, robotics, testing and simulation, data security, and AI & data analytics. Akkodis is part of the Adecco Group and operates as a commercial brand under which both AKKA and Modis entities operate.

Manual Tester / IVVQ (Integration, Verification, Validation & Qualification) Engineer

Role Overview

This role focuses on Integration, Verification, Validation and Qualification (IVVQ) activities for mission-critical defence systems. You will be responsible for validating system behaviour, executing manual integration and acceptance testing, identifying and troubleshooting defects, and ensuring systems meet operational and customer requirements.

The role is primarily hands-on manual testing, system validation and integration, working closely with software, infrastructure and system engineering teams throughout the project lifecycle.

Key Responsibilities

1. System Integration & Validation

• Execute Integration, Verification, Validation and Qualification (IVVQ) activities for defence-grade systems.

• Prepare and maintain test plans, test procedures, test cases and validation documentation.

• Perform functional, integration, system, regression and acceptance testing.

• Validate end-to-end business workflows across software applications, middleware, databases and infrastructure.

• Perform API validation using Postman, SoapUI or similar tools.

• Validate message flows across middleware and messaging platforms such as Kafka or RabbitMQ.

• Identify, reproduce and document defects, working closely with development teams to resolve issues.

• Support Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), User Acceptance Testing (UAT) and operational readiness activities.

• Execute test evidence collection and produce validation reports for customer acceptance.

• Participate in defect triage, verification of fixes and regression testing.

• Collaborate with software developers, system engineers and infrastructure teams to resolve integration issues.

2. Environment & Release Validation

• Support deployment and configuration of test environments.

• Execute release validation and smoke testing for new software builds.

• Monitor application logs and system behaviour during testing activities.

• Assist in environment verification and operational readiness testing.

• Work within CI/CD release processes to validate application quality before deployment.

Essential Skills & Qualifications

Experience (3-8 years preferred)

• Manual testing experience in enterprise or mission-critical systems.

• Integration Testing (SIT), System Testing (ST), User Acceptance Testing (UAT) or IVVQ experience.

• Defect investigation, troubleshooting and root cause analysis.

• Test case design, execution and documentation.

• Experience working across integrated or distributed systems.

Technical Skills

• Strong understanding of software testing methodologies and defect lifecycle.

• API testing using Postman, SoapUI or equivalent tools.

• SQL for database validation and data verification.

• Linux command-line basics for log analysis and troubleshooting.

• Experience with Jira, Confluence and test management tools.

• Exposure to Docker, Kubernetes or CI/CD environments is advantageous.

Nice to Have

• Experience in defence, aerospace, transportation or other safety-critical industries.

• Exposure to message brokers such as Kafka or RabbitMQ.

• Knowledge of network troubleshooting.

• Experience supporting FAT, SAT or operational acceptance testing.

Ideal Candidate Profile

• Passionate about manual testing, system validation and quality assurance.

• Strong analytical and troubleshooting skills.

• Detail-oriented with excellent documentation capabilities.

• Comfortable working across software, infrastructure and operational teams.

• Able to work independently while collaborating effectively in cross-functional environments.

• Willing to travel internationally as required.

Don't miss this opportunity to join a dynamic and growing engineering team working on mission-critical defence programmes.

If you're looking to advance your career in system integration and validation while gaining international project exposure, we'd love to hear from you.