Total 3,562 software test engineer job vacancies in Information Technology category

We are looking for an Application Support Engineer for one of our clients here in Singapore. Your scope is as follow:

Key Responsibilities:

• Batch Job Management - monitor the end-of-day batch and ensure that it starts on the prescribed time, perform first level analysis if there’s failure, perform recovery and involve other stakeholders when necessary. Do a milestone check of the critical jobs to ensure they complete on time and do the proper escalation if there’s any delay.
• Application System and Infrastructure Monitoring – constantly monitor the alerts from the monitoring tool that tells whether an application, server, website, service, disk space or other system resources are having issue and inform the support persons if necessary.
• Service Requests and User Support – handling of user requests such as running of one time job, scheduling of new job, copying and resending of file, troubleshooting transactional problem and involving other experts if necessary.
• Software Release Support – support the regular release of new software from development teams by stopping and resuming the batch when necessary and ensuring all systems are available for user sanity testing after release deployment.
• System Patch and Upgrade Support – support the regular third-party system upgrade and patches and minimize any disruption.

Required Skills and Qualifications:

• If you have 2 plus years of experience in TWS (Tivoli Dynamic Works Console), this is desirable; else if you have experience in a production support role, that is the second preferred work experience for this position.
• Good knowledge of Unix Script & Shell Scripting.
• Knowledge of the requirements of IT production (Banking System).
• Note: This is a shift role, two shifts are as 7 am - 3 pm and 8 am - 4 pm SGT, and the person may be asked to work on weekend shifts too.

Job Responsibilities:

·     Responsiblefor Huawei optical transmission networking products after-sales support forSDH/HMSTP/DWDM equipment such as site survey, installation, planning,commissioning, migration and maintenance.

·   Responsiblefor solution review and provide low level network solution design to internaland external stakeholders.

·   Responsiblefor collaboration with cross-functional teams, including customers, accountteam, project management office, product technical sales, and other deliverynetwork engineers, to ensure seamless system functionality from on-site survey,supervise, testing, commissioning and maintenance of network, and technicalproposal of new network presales stage.

·   Responsiblefor issues or outages recovery in the live customer network. Carry out postinvestigation and communicate with stake holders for root causes with finalreport.

·   Participate innecessary technical meetings pertaining to operators, internal staff or itsassociated customers.

·   Required towork as a team with regional/HQ or Singapore-based technical teams fortransmission projects.

·   Required toprovide high-quality technical proposals focusing on network reliability,latency optimization, and capacity scaling

·   Require towork under minimum supervision to complete tasks assigned.

·   Required topresent technical solutions professionally and conduct technical training forchannel partners and customers on DWDM/OTN technologies.

·   To collaborate and communicate directly with Chinese speaking officers, stakeholders, counterparts, and customers in China HQ team

Job Requirements:

·       Possess a minimum of Bachelor Degree in any field.

·       Minimum 4 years of working experience in optical transmission project implementation,network planning & design, migration and maintenance experience.

·       In-depth knowledge in SDH, DWDM, OTN, ROADM, ASON, OTDR, BERT, OSNR,RFC2544, Network management system, Fiber Doctor, Optical Doctor, 400G C+L, MS-OTN,OXC, preferably with expertise in Huawei-specific OptiX OSN & OptiXtransplatforms, including NCE-T / Navigator / ON Toolkit management software.

·       Requires ability to handle end-to-end low / medium / high risk networkchange implementation, including solution develop, preparing Method ofProcedure, solution implementation and service verification.

·       Hands-on experience in high-capacity OCh link commissioning, ASONnetwork deployment, optical power tuning and migration of legacy services.

·       Requires to work on night time for service migration / cutover operationto minimize the traffic impact on customer network.

·       Outstanding communication and presentation skills.

·       Ability to manage and guide on-site subcontractor team for equipmentinstallation and fiber patching work.

·       Ability to manage and liaise with different stakeholders includinginternal team and external customer.

·       Self-initiative to take the responsibility of task and learn newproducts/technologies.

·       Selected candidate shall be adaptable and flexible to tasks or jobscopes assigned.

·       Proficiency in Mandarin is essential to ensure effective communication with the Chinese-speaking stakeholders, including head office, business counterparts, and customers based in China.

Interested candidate please click "APPLY" to begin your job search journey.

We regret to inform that only shortlisted candidates will be notified.

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persolsingapore.com/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy. 

PERSOL Singapore Pte Ltd

•RCB No. 200007268E • EA License No. 01C4394

•Registration ID: Heah Sian Wei R23117518

Infrastructure System Engineer

We are looking for an Infrastructure System Engineer to support, maintain, and optimise our on‑premise and cloud IT infrastructure. This role requires strong hands‑on technical capability, project collaboration, and the ability to ensure secure, stable, and efficient infrastructure operations.

Job Description:

• Deploy, configure, and maintain servers, storage, networks, and on‑prem/cloud environments.

• Ensure high availability, redundancy, and system performance across infrastructure components.

• Manage VMware/Hyper‑V platforms and support Windows OS and Windows Server Environments.

• Support AWS/Azure infrastructure including compute, storage, networking, identity, and security.

• Perform system/database setup, patching, backup, DR and automate tasks.

• Closely collaborate with Project Manager and Engineers to support the fulfilment of contract obligations within timeline, cost, and scope

• Manage and oversee project documentations and subcontractor matters

• Set up network switches, perform network checks, and configure IP settings for project devices.

• Troubleshoot and resolve infrastructure and IT system issues.

• Support data migration, integration, monitoring, security and compliance.

• Participate in system integration, UAT/FAT/SAT, deployment, staging, and production setup.

• Work with services such as AD, NMS, ClearPass, MFA/2FA, KMS, Antivirus, Patch Management, MDM.

Job Requirements:

• Minimum 5 years’ experience in infrastructure or system engineering roles.

• Experience with backup/recovery, documentation, and supporting tender requirements.

• Familiarity with certification/key management and common infrastructure services.

• Bonus skills: SQL, VAPT tools, basic development knowledge, access control systems, failover/ redundancy tech.

• Strong analytical, troubleshooting, communication, and time‑management skills.

• Able to work independently and as part of a team; strong process and documentation discipline.
  

Brief Summary:

Join a dynamic team as an Application Consultant/System Engineer where you'll leverage your technical expertise to deliver innovative solutions and support projects across the IT landscape. This role offers the opportunity to work collaboratively with clients and enhance application capabilities.

Responsibilities

• Fulfill diverse roles including Application Consultant, System Engineer, or Developer on designated projects.
• Work closely with clients to identify and define business and IT use cases, optimizing processes accordingly.
• Deliver comprehensive enterprise solutions from consultation and design to development, testing, deployment, and ongoing support.
• Design and assist with system integrations and application workflows, focusing on ETL and automation components.
• Diagnose and troubleshoot issues, identify root causes, and implement effective technical solutions.
• Propose and develop innovative solutions to cater to the evolving needs of clients.
• Provide support to team members across various projects as needed.
• Actively seek out opportunities to enhance solution capabilities beyond standard offerings.

Requirements

• Bachelor's Degree in Computer Science, Engineering, or IT.
• 3 to 5 years of hands-on experience in IT systems, application support, or application solutions consulting.
• Familiarity with ETL/data integration platforms, including data flow configuration, adapter management, job scheduling, and troubleshooting.
• Understanding of ETL infrastructure management, including dev/staging/prod environments and connectivity configuration.
• Practical knowledge of Copilot Studio or other Generative AI tools, with experience in prompt design and AI workflow integration.
• Solid understanding of application infrastructure, including server environments, network basics, access management, and deployment pipelines.
• Competency in reading system/application logs and performing structured root cause analysis.
• Familiarity with Power Platform or RPA concepts is advantageous but not mandatory.
• Strong ability to translate technical concepts into business needs and document technical specifications, process designs, and solution designs effectively.
• Comfortable interacting with stakeholders across different technical levels.

EA License No.: 01C4394 (PERSOL SINGAPORE PTE LTD)

Registration No.: R23112488 (Julian Nerchan)

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persolsingapore.com/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy.

Bring more to life.

Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology?

At Leica Microsystems, one of Danaher’s 15+ operating companies, our work saves lives—and we’re all united by a shared commitment to innovate for tangible impact. 

You’ll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher’s system of continuous improvement, you help turn ideas into impact – innovating at the speed of life.

Shape the Future with Us!

At Leica Microsystems, we have been shaping the future for over 175 years with groundbreaking optical and digital solutions.  With a culture rooted in customer focus, innovation, and teamwork, we lead the market in microscopy, imaging, and analysis, unveiling the invisible and empowering our customers to build a better,healthier world.

Joining Leica Microsystems means contributing to scientific discoveries and supporting surgeons in making critical decisions. Our advanced microscopes and AI-based image analysis solutions enable users to gain profound insights into development and engineering challenges. Here, you will work on meaningful projects alongside passionate colleagues, driving progress and pushing the boundaries of what’s possible.

Learn about the Danaher Business System which makes everything possible.

This role is responsible for exploring, evaluating, and developing advanced technologies for future Leica Microsystems medical and surgical products. The position drives early-stage innovation in areas such as medical imaging, fluorescence imaging, visualization systems, OCT sensing, AI applications, and other related technologies, and translates them into feasible solutions for next-generation products and product enhancements.

The key challenge of this role is to mature innovative technologies in a complex medical device environment while balancing technical performance, system integration, quality, regulatory requirements, manufacturability, and product needs. The position requires strong cross-functional collaboration and system-level problem solving to turn new concepts into practical, differentiated, and scalable solutions.

Responsibility

• Lead the exploration, evaluation, and development of advanced technologies for future Leica Microsystems medical and surgical products.
• Design, develop, and optimize advanced technologies and algorithms in medical imaging, fluorescence imaging, visualization devices, OCT sensing, AI applications, and other related surgical system technologies.
• Drive feasibility studies, proof-of-concept development, algorithm development, simulation, and prototype creation for next-generation medical systems and product enhancements.
• Develop test and measurement systems using deep expertise in optics, electronics, sensors, and data acquisition software.
• Establish innovative test methods, performance characterization approaches, and manufacturing concepts to support technology maturation and future product industrialization.
• Quantify system performance and subsystem interactions to support architecture decisions, design optimization, and technical trade-off analysis.
• Use MATLAB and other development tools to create, assess, and translate algorithm concepts into robust product-ready software solutions.
• Prepare clear and traceable technical documentation covering technology concepts, designs, experimental results, acceptance criteria, risks, and user needs.
• Define and execute verification and validation strategies to confirm that technologies and algorithms meet design and performance objectives.
• Ensure all solutions are developed in compliance with applicable quality, safety, regulatory, maintainability, and reliability standards.
• Identify technical risks early, develop mitigation plans, and lead resolution of complex system-level technical challenges.
• Support invention generation, patent disclosures, and technical differentiation for future product platforms.
• Provide technical support required to ensure successful OCT design transfer, including troubleshooting product issues, driving performance improvements, and offering expert support for existing products when needed.

Professional Experience

• Strong in advance technology development.
• Experience in medical device development, preferably imaging &visualization related systems.
• Proficient in MATLAB.
• Experience in C++/C#
• Minimum Technical Master’s Degree in relevant field in OpticalEngineering, Physics.
• Having a PhD Degreein relevant field is considered an added advantage.

We are seeking a highly motivated and talented system engineer to join our team at ALIRA Technology. This role will provide an exciting opportunity to work with the intelligent IOT SOC and solutions, like IOT Camera chip, Bluetooth audio chip and application processors. We are located in Science Park Drive.

· Engage customers during presales to gather requirements and explain our technology

· Elaborate solutions to be proposed to prospective clients

· Participate for designing, developing and test the device drivers and application software for the solutions based our chips.

· Engage with clients for requirement gathering, solution presentations, and supports.

· Collaborate with internal engineering and sales teams.

· Bachelor/Master’s degree in Electrical/Electronic/Computer Engineering (EE/EEE/CE), or equivalent experience.

· Have experience in ICs IoT, sensors, embedded systems, or related product development.

· Hardware: PCB, sensors, micro controllers

· Software: C/C++ for MCUs, RTOS, Linux device drivers

· Background in semiconductors, sensors, IoT solution development preferred.

Job Description

1.     Perform detailed cooling load calculations and thermal analysis for data halls, including rack-level heat load assessments.

2.     Design, review, and optimize ACMV systems, including:

- CRAC/CRAH units

- Chilled water systems

- Cooling towers and pumps

3.     Lead and support cooling system upgrades and retrofits, ensuring minimal disruption to live data center operations.

4.     Evaluate system performance using KPIs such as:

o  Power Usage Effectiveness

o  System Efficiency

5.     Conduct energy optimization studies and recommend improvements (e.g., air flow management, containment strategies, setpoint optimization).

6.     Support capacity planning and future expansion work based on IT load growth.

7.     Review engineering drawings, method statements, and ensure compliance with design intent and operational requirements.

8.     Work closely with operations teams to implement EOPs/MOPs for mechanical system interventions.

9.     Participate in risk assessments, failure mode analysis, and incident investigations related to cooling systems.

10.  Ensure all works comply with relevant standards and regulatory requirements in Singapore

Required Qualifications
1.     Bachelor’s Degree / Degree in Mechanical Engineering or related field

2.     Additional certifications relevant to theindustry is an added advantage 

3.     1-2 years’ experience maintainingelectrical, mechanical, fire protection system in a data centre environment

4.     Experience and knowledge of MEP equipmentsuch as CAHU, CRAC, ACMV systems, pumps, cooling towers, UPS, generators, etc.

5.     Strong technical expertise in thermalmanagement, cooling load calculations, and energy efficiency improvements,supporting design and upgrading of cooling systems in data centre environments.

6.     Strong problem-solving abilities,communication skills, and the ability to work independently and as part of ateam

7.     Strong written and verbal communicationskills

8.     Proficient in Computer skills eg.Microsoft office, google emails , docs etc.

9.     Shift work & Standby Duty is required(Shift allowance available)

About the Role

Key Responsibilities

• Develop and continuously iterate the data platform
• Build and maintain data pipelines for user behavior data processing based on Flink, ensuring the completeness, accuracy, and stability of tracking data.
• Design and maintain the user tagging system, including tag generation, quality validation, and tag governance.
• Build and maintain data application pipelines to support downstream data needs from product, operations, analytics, and algorithm teams, including behavior and user tag data.
• Collaborate closely with product managers, data analysts, and business teams to drive the application of user data in refined operations and product optimization.
• Continuously improve the performance, observability, maintainability, and scalability of the data application pipeline.

Qualifications

• Bachelor’s degree or above in Computer Science, Software Engineering, Data Science, or related fields. At least 5 years of experience in complex system development.
• Proficient in Java, Python, and SQL for data application development or data processing.
• Familiar with the Apache Flink framework and experienced in real-time or near real-time processing of user behavior data.
• Solid understanding of event tracking systems, including event definitions, attributes, user ID mapping, and tracking data flow.
• Familiar with common user tag categories (e.g., behavioral tags, attribute tags, statistical tags) and their production mechanisms.
• Experience with relational databases (RDBMS), NoSQL databases, and analytical data systems (OLAP), such as MySQL, Redis, HBase, Doris, and ClickHouse.
• Strong problem-solving and troubleshooting skills, with the ability to translate business requirements into data processing solutions and collaborate effectively across teams.
• Able to use Chinese and English as dailying working language to work with chinese-speaking stakeholders