Total 3,134 software test engineer job vacancies in Information Technology category

Responsibilities:

• Deliver engineering, deployment, and support services for system and network infrastructure across security-focused projects ranging from small-scale implementations to large enterprise environments.
• Collaborate with solution architects to develop and execute optimal system and network designs in both physical and virtualized infrastructures.
• Serve as the technical escalation point and subject matter expert for system security, network architecture, implementation, and operational issues.
• Lead the deployment of new network and system solutions in partnership with project managers, while engaging and coordinating with customers, telecommunications providers, and technology partners.
• Conduct system and network hardening activities, validate security configurations, and maintain accurate baseline configuration and technical documentation.
• In charge ad-hoc maintenance activities, migrations or disaster recovery
• Involve in compliance and audit activities for enforcement of policies, standards and procedures

Requirements

• Diploma/Degree in Engineering/Information System/Information Security from a recognized institution with 5 or more years of relevant working experience
• Strong experience in Windows, Linux and Vmware/HyperV systems
• Strong experience in Next-Gen Firewalls, VPN, switching/routing, load balancers and proxies
• Experience in windows server domain environment such as active directory, group policies, DNS/DHCP and SCCM etc.
• Hands-on experience in system and network security-related tasks such as hardening, patching, capacity planning and design
• In-depth knowledge in network and systems security
• Experience in scripting, resource capacity planning and system design will be an added advantage

Jerlin Aw Bi Zhi (R1218675 | CSGROUP Pte. Ltd. (25C2702)

Company: Stulz Asia Hub Pte. Ltd.

Location: Singapore

Remuneration: Competitive salary + performance-based bonus

Company Background

STULZ has grown from an innovative family business into a modern global leader in air conditioning technology. Our journey is built on a foundation of customer focus, entrepreneurial spirit, and technological expertise. With over 50 years of experience, particularly in cooling mission-critical environments, STULZ is a trusted partner for high-performance, energy-efficient climate solutions. We offer expert consulting, advanced cooling technologies, tailored services, and strong global support.

Our global presence spans 28 subsidiaries and a wide network of partners, allowing us to serve customers in over 150 countries. This reach ensures fast, localized responses to diverse needs, while maintaining a clear view of global trends and innovations.

Stulz Asia Hub Pte Ltd was established in 2023 and serves as a regional hub for the APAC region supporting our partners and subsidiaries.

Position Summary

We are seeking an Application Engineer with a diploma in engineering or other relevant work experience to support our regional strategic accounts team. The role includes working together with our diverse sales teams to interpret customer requirements, deliver solutions and manage customer expectations with the end goal of sales in mind. You will be expected to work as a consultant to the sales teams and clients to tailor project specific solutions and will be the first point of contact. Training will be provided hands on, and regular travel and customer meetings can be expected.

Key Responsibilities

• Serve as the technical point of contact for key consultants and accounts.

• Act as a liaison between sales teams and factory capabilities.

• Develop technical selections, feasibility studies, and total cost of ownership (TCO) analyses.

• Support sales with accurate project costing and compliance documentation.

• Prepare deviation and exception statements for project proposals.

• Collaborate with cross-functional teams including Product Managers, Technical / Aftersales, Support Engineers, Commissioning Engineers, Key Account Managers, Consultants and Contractors to support application development and delivery.

• Participate in KAM / Technical team meetings and activities to understand requirements and share progress updates

• Communicate clearly and professionally with stakeholders to gather feedback, clarify technical issues, and ensure alignment with project goals

• Support the implementation of user feedback to improve application functionality and user experience

• Maintain a proactive and responsive approach to stakeholder needs, contributing to a positive and productive team environment

• Responsibilities will at a minimum apply to the following facilities/equipment within the

Data Centre:

o Air Handling Units

o CRAC and CRAH units

o Chiller

o ACMV and related products

o Liquid Cooling products

Qualifications and Skills

• Strong communication skills

• Self-motivated, highly organized, and detail oriented

• Able to manage multiple tasks and assignments simultaneously with efficiency and independence, demonstrating strong organizational skills and the ability to work effectively without direct supervision.

• Strong focus on back-office technical responsibilities, such as application support and system maintenance, while also enjoying direct engagement with customers or consultants to understand needs, provide solutions, and ensure user satisfaction.

• Ability to establish and leverage relationships with key stakeholders to proactively initiate requests for support from targeted internal and external subject matter experts needed

• Proficiency in Microsoft Word and Excel

• Travel required (10%)

Education / Experience

• Mechanical Engineer (at least 5 years) or Bachelor of Engineering or similar

• Knowledge of mechanical, refrigeration, hydraulics or similar

• Engineering experience in the Data Centre environment preferred

• Fluent in Business English and Mandarin (optional)

Contact

We invite committed individuals to join us in our expansion plans. Please send your resume as well as a letter of motivation to hr@stulzasia.sg.

[Job ID: 1600983]

Responsibilities

• Deliver professional services, including deployment, implementation, and upgrades of cybersecurity products distributed by Netpoleon. This may occasionally involve customer coordination and project timeline management.
• Provide practical and effective technical solutions or alternatives based on customer requirements.
• Conduct product training for customers, partners, and internal teams.
• Perform installation, configuration, and basic troubleshooting independently using product documentation.
• Continuously upskill and obtain relevant technical certifications for assigned technologies.
• Develop into a subject matter expert over time and support knowledge transfer to internal teams for enhanced customer support.
• Provide technical support to sales and support teams, including product clarification, solution design input, tender compliance, and ad-hoc technical assistance.
• Perform any other duties as assigned.

Requirements

• 2 years of experience in IT, Information Security, or Cybersecurity preferred
• Strong knowledge of cybersecurity and IT infrastructure, including:
  Firewalls, VPN, DLP, IDS/IPS, Web Proxy, DNS, Email Security, SIEM, log management, virtualization, containers, cloud platforms (AWS, Azure, Google Cloud), DevOps/DevSecOps, IAM, PAM, endpoint security, CyberArk Conjur.
• Solid troubleshooting skills in networking and systems, including:
  TCP/IP, routing, NAT, VLAN, multicast, OSPF, BGP, Active Directory, LDAP, RADIUS, SNMP, Syslog, SMTP, TLS, SSH.
• Strong interest in cybersecurity trends and attack techniques.
• Relevant certifications are an advantage:
  Cisco CCNA/CCNP, Check Point CCSE/CCSM, CyberArk CDE, CISSP, CREST, OSCP, and other security-related certifications.

We regret that only shortlisted candidates will be notified. However, rest assured that all applications will be updated to our resume bank for future opportunities.

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EA Personnel Name: Ong Kang Quan Ryan
EA Personnel Registration Number: R23116952
EA License No.: 07C5771

Responsibilities:

• Experience in integrating IT networks with OT systems.
• Working knowledge with handling OT assets - HMIs, PLCs, Scada, Sensors, Inspection machines (CMM, CNCs), 3D printers etc.
• Experience in updating the required details in the PLC configuration, IP data
• Asset inventory data collection/Identify risks in advance and highlight.
• Familiarity with secure protocols (OPC-UA, Modbus TCP/IP, Ethernet/IP, SMB).
• Network design and implementation, including LAN/WAN, VLANs, and routing protocols.

Key Responsibilities

·Responsible for HVAC system design, equipment selection, load calculations, duct and piping design, airflow analysis, and commissioning for commercial and industrial facilities

·Manage projects from concept design through construction support and commissioning for data centers, semiconductor fabs, hospitals, pharmaceutical plants, or large industrial facilities.

·Coordinate with project teams, contractors, vendors, and clients to ensure smooth project execution and delivery.

·Support site activities including installation supervision, testing, and commissioning where required.

Job Requirement

·Diploma or Bachelor’s degree in Mechanical Engineering, Building Services Engineering ,Architectural Engineering, Energy Engineering Electrical Engineering, or related disciplines.

·Proficient in both English and Chinese

·Strong hands-on experience in on-site supervision of fire protection system installations.

·Familiar with Singapore HVAC requirements, codes, and authority inspection processes administered by Singapore Civil Defence Force (SCDF).

·Knowledge of HVAC system testing, commissioning, and authority inspection workflows is an advantage.

·Able to work independently onsite, and coordinate effectively with project teams, contractors, system vendors, and Clients.

-Willing to work in a site-based and shift-based environment, as required by the project

ITSO - Application Security (Consultant)

Responsibilities and Requirements

• At least 4 years combined work experience in software development, application security andcloud computing (e.g. AWS)
• Familiar with mobile and web application programming interfaces (API) architecture (e.g. REST,SOAP, SSL/TLS)
• Experience in threat modelling and able to establish threat profiles for application projects toidentify, quantify and remediate application security risks
• Strong knowledge of security best practices such as OWASP Top 10, OWASP application securityverification standard
• Familiar with Agile Development process, CI/CD, DevOps concepts, tools (Gitlab, Github,Ansible etc) and how automated security testing can be incorporated into CI/CI pipelines
• Experience on using SAST code scanning tools such as Fortify-on-Demand, Sonarqube, etc
• Track and address security vulnerabilities with timely remediation and patching processes.
• Conduct security awareness training sessions
• Good verbal/written communications, collaboration skills and experience interacting withvarious stakeholders
• Strong analytical, problem-solving and troubleshooting skills, ability to work independently
• Relevant certifications preferred (eg. CISSP, OSCP, AWS security, AWS DevOps Engineer orequivalent etc.)
• Experience in working with Government Commercial Cloud (GCC) preferred.

Reporting to the Firmware Team Lead/Project Manager, the successful applicant will be involved in switching mode power supply development activities such as firmware development, firmware verification, auto test program, prototyping, evaluation and assisting manufacturing in BETA run of the new product.

• Participate in product definition, specification, and requirements analysis working with cross-functional stakeholders.
• Collaboration on firmware architecture and development strategy with a particular focus on wired and wireless networks.
• Design new products in timely manner to meet the product spec, modify existing designs, improve existing products for better performance and /or cost.
• Participate in product definition, specification and requirements analysis working with cross functional stakeholders.
• Design, code, integrate, test, support and enhance software solutions for power conversion systems.
• Perform system integration and validation testing activities, including verification of interoperability within overall solution.
• Assist with evaluating existing and emerging technologies to identify solutions that will reliably operate in a wide range of installed environments.
• Architecting, developing, integrating, and delivering embedded and PC software in a regulated product development.
• Participating in all project lifecycle phases – from design and code development through unit testing, documentation, and release.
• Coaching and guidance to Jr Firmware engineers in evaluation and design.
• Provides technical direction to the team.
• Provide technical support to factory on design related issue.
• Provide support for power supply prototypes and production products.
• Collaborate with remote teams and local teams to support integration work with hardware team.
• Participate in software qualification activities such as SFMEA and code reviews.
• Participate in system integration and validation testing activities, including production/factory support.

Requirements:
Bachelor’s or master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.

5-7 years of related work experience.

Experience or good understanding of power supply topologies and analog/digital circuitry is a plus.

Familiarity with software development (Microsoft C#, GUI).

Experience with Microchip, TI, ST microcontrollers and DSPs.

Experience interacting with software debugging in an embedded environment.

Familiarity with digital control or firmware for power electronics a plus (PWMs, ADC, digital filter).

Experience in embedded system or signal processing algorithms (DSP) control.

Experience implementing & developing communication stack driver and networking physical protocols (I2C, SPI, RS-485, PMBus, Modbus, Ethernet, etc.).

Some knowledge/experience in IoT, TCP/IP, Websocket, LWIP stack or freeRTOS will be an added advantage.

Comfortable using oscilloscopes, multi-meters, power supplies, etc.

Comfortable reading hardware schematics and data sheets.

Familiarity with version control systems (SVN), and release methodologies.

Familiarity with MISRA, IEC62304 or other coding standards will be an added advantage.

Disciplined and detail-oriented; experience delivering robust, readable code.

Experience in recreating sporadic types of issues/failures using various debugging techniques.

Excellent analytical and problem-solving skills.

Responsibilities

• Responsible for Network related incident and change management

• Responsible for the commission, de-commissioning and tech refresh of network devices

• Facilitate in problem solving and collaboration

• Manage the smooth delivery of network operations in accordance with stipulated Service Level Agreements

• Provide firmware updates for network devices

• Ensure network infrastructure complies with security policies

• Prepare and maintain assets to ensure availability and update of capacity reports

• Update process and procedural documents

• Any other ad-hoc duties as required or assigned

Requirements

• Bachelor Degree or Diploma in Information Technology/Information Systems/Computer Science, Business IT or its equivalent

• At least 5 years of experience in administration and implementation

• Good knowledge of the following, but not limited to:

  1. Firewall technologies(high availability, virtual firewall concept) 

  2. IP load balancer

  3. Distribution and core switches

  4. Router configuration(high availability)

  5. LAN and WAN administration

• Good understanding of a services business in a high-tech environment from a supplier, integrator or operator’s perspective

• Strong analytical and problem solving skills, combined with ability to provide quick resolution to problems

• Proficient in troubleshooting skills

• Effective communication skills

• Self-driven and ability to work independently

Licence no: 12C6060

The Data Center Operations Engineer is responsible for the daily operation, maintenance, and optimization of data center infrastructure, including electrical, HVAC, and ELV systems. This role ensures facility reliability, safety, and efficiency through proactive monitoring, risk management, and continuous improvement.

Perform daily operation, maintenance, and routine inspectionsprovement. The position requires hands-on technical ability, strong analytical skills, and strict adherence to operational and emergency procedures.

Perform daily operation, maintenance, and routine inspectionsprovement. The position requires hands-on technical ability, strong analytical skills, and strict adherence to operational and emergency procedures.

of data center electrical, HVAC, and ELV systems, ensuring stable and continuous operation.

Execute scheduled preventive maintenance (PM) plans and handle system faults promptly and accurately.

Conduct facility safety, risk, capacity, and availability management, continuously optimizing systems to improve operational efficiency and cost-effectiveness.

Maintain infrastructure data accuracy (100%), regularly check alarm configurations, and ensure monitoring platform stability and reliability.

Conduct facility inspections per company requirements, including equipment status checks, MOP (Method of Procedure) review, and maintenance tracking.

Respond rapidly to incidents and emergencies following EOP (Emergency Operation Procedures) and incident management standards; provide on-site support and reporting.

Analyze root causes of incidents, conduct post-event reviews, and summarize lessons learned for continuous improvement.

Familiarize with the power distribution, cooling, and ELV architecture within assigned data centers; quickly locate and resolve faults when issues occur.

Prepare and implement change MOPs independently, ensuring no incidents result from planned changes.

Participate in optimization and upgrade projects, ensuring smooth on-site execution and coordination.

Propose technical improvements or modification plans for infrastructure monitoring, capacity, safety, and availability.

Provide technical guidance, mentorship, and training for frontline operation staff.

Ensure quick response and arrival per incident management policy.

Strictly comply with all operational procedures, safety policies, and company regulations.

Complete other assignments as defined in the Service Contract, Outsourcing Specification, or as required by the company or project team.
Qualifications

Education: Full-time college diploma or above (Associate Degree or higher).

Major: Electrical Engineering, HVAC, or other related disciplines.

Experience: Minimum 3 years of relevant experience in data center facility operation and maintenance.

Strong understanding of data center infrastructure systems, including electrical distribution, cooling, ELV, and monitoring systems.

Familiar with mainstream facility brands and models, capable of identifying differences and proposing optimization suggestions.

Demonstrated ability to conduct root cause analysis and implement effective preventive actions.

Capable of independent MOP preparation and execution with zero error rate.

- Provide technical supports for pre and after sales service to Sales & Project Department for misc Critical Support Systems for Data Centres (mainly CRAC and UPS)

- Provide technical supports for Service Department and assist in troubleshooting for service & maintenance issue related matters and provide solutions

At Alcon, we are driven by the meaningful work we do to help people see brilliantly. We innovate boldly, champion progress, and act with speed as the global leader in eye care. Here, you’ll be recognized for your commitment and contributions and see your career like never before. Together, we go above and beyond to make an impact in the lives of our patients and customers. We foster an inclusive culture and are looking for diverse, talented people to join Alcon.

As a Data Scientist under Manufacturing Science & Technology (MS&T) Department, you will be primarily responsible for driving automation initiatives within the Manufacturing Science & Technology team by managing system changes, enhancements, and validations while ensuring compliance with project documentation and SOPs. Supports SMART manufacturing projects through data analysis, reporting tool administration, and system support to enable efficient, data-driven operations.

In this role, a typical day will include:

• Manage system change and related enhancement/bug fix, review project documentation and related SOPs and perform system validation
• Analyzes data to generate insights and predictions
• Maintain, support and administrate reporting tool and related applications.
• Lead and support SMART Manufacturing/Automation initiatives related projects. Develop/review project documentations and related SOPs.
• Perform system/software validation

WHAT YOU’LL BRING TO ALCON:

• Bachelor degree of related fields (computer science or equivalent)
• Proficient in any programming language is required for this role
• Minimum 3 - 5 years relevant working experience in IT software development lifecycle, system implementation and system maintenance and supports.
• Hands on knowledge on automation engineering, PLC/SCADA/MES systems, Microsoft SQL/Oracle/Access database/Python/R/Microsoft Visual Basic/C#/ASP.net programming and IT (Infrastructure and Network).
• Knowledge on 21 CFR Part 11 (computerized system validation) is preferred but not a MUST
• Training will be provided for those without experience

HOW YOU CAN THRIVE AT ALCON:

• Good team player
• Enjoy working with various cross functional team across manufacturing site

Alcon Careers

See your impact at alcon.com/careers

Responsibilities

• Provide L3 Network and Security support.
• Support L2 Engineer to streamline incident calls and ensure service level agreements are met.
• Perform Support to L3 escalations of all network security across Fortinet,F5 Load Balancer,McAfee Proxies,Checkpoint.
• Assist with the documentation of standard operating procedures relating to installations and fixes.
• Act as coach and mentor to more junior Implementation Engineers and Technicians.
• Assume responsibility for the co-ordination of the activities of the Engineers, in line with performance targets.
• Included in higher complexity design work, with input to the design expected.
• Expected to take ownership of relevant technologies according to domain or specialization.

Requirements

• 8 – 10 years of experience in network operations in related industries or equivalent.
• CCIE or other expert level technical certifications equivalent or desirable.
• ITIL®v4 Foundation certification would be an advantage.
• In-depth hands-on working experience with routers, switches, firewalls, ISEs, Load balancers, Web proxies, packet captures, DNS, wireless and etc not limiting to brands such as (Cisco, Checkpoint, F5, Arista,Fortinet, Juniper, Akamai, McAfee, Infoblox, Corvil, Riverbed,
• Good understanding of TCP/IP, DNS, DHCP, GTM, LTM VPN, MP-BGP, OSPF, MPLS, Cisco ACI,SDWAN, Wireless technology; DWDM (ADVA), Multicast, HSRP, Spanning tree, VRF and DDOS.
• Experience with network tools and technologies such as Splunk, NetFlow, packet captures, ServiceNow, JIRA, and SMARTs.
• Ability to work in a fast-paced operational environment.
• Strong interpersonal skills
• Excellent Team Player

• Provide technical support, troubleshooting, and project management for IP-based Access Control Systems, Time Attendance Systems, Video Intercom Systems, and Home Automation Solutions.

• Design wiring diagrams and perform system configuration, testing, and commissioning.

• Conduct on-site training for clients, vendors, and project team members.

• Implement and configure internet and Wi-Fi settings for smart home and automation systems.

• Install, maintain, and support IT infrastructure services, including Active Directory (AD), DNS, DHCP, DFS, WSUS, and IIS.

• Configure and implement wired and wireless network solutions.

• Ensure projects are delivered on time and in accordance with technical requirements.

As a Networking Managed Services Engineer (L2) at NTT DATA, you'll take on a developing engineering role where your main goal is to ensure our clients' IT infrastructure and systems remain operational. You'll achieve this by proactively monitoring, identifying, investigating, and resolving technical incidents and problems. You'll work closely with our clients and internal teams to ensure that services are restored swiftly, in line with our service level agreements (SLAs).

Your day will revolve around reviewing client requests and tickets, applying your technical expertise to resolve them efficiently and effectively. You'll be the go-to person for second-line support, handling incidents and requests of medium complexity. In addition to your daily tasks, you'll have opportunities to contribute to exciting project work from time to time.

You'll proactively monitor work queues, execute operational tasks, and update tickets with the actions you've taken. Identifying, analysing, and logging issues before they escalate will be a key part of your role. You'll communicate with other teams and clients to provide support and ensure that changes are executed with clear risk identification and mitigation plans.

As part of the shift handover process, you'll highlight key tickets and upcoming critical tasks for the next shift. When needed, you'll escalate tickets to ensure the right focus from our Centres of Excellence (CoE) and other teams. Collaborating with our automation teams, you'll work on optimizing efforts and automating routine tasks, all while coaching our Service desk and L1 teams in both technical and behavioural skills.

You'll also establish monitoring for client infrastructure, leading and managing initial client escalations for operational issues. Contributing to the change management process, you'll log change requests, execute approved maintenance activities, and audit incident and request tickets for quality. Your insights will drive trend analysis reports, identifying tasks suitable for automation to reduce tickets and optimize efforts. You might also support disaster recovery functions and other related tasks as needed.

To thrive in this role, you need to have:

• Proficiency in technologies such as Pulse Secure SSL VPN, Palo Alto, Fortinet, Cisco Nexus switches/routers/firewalls, and more familiarity with ticketing tools.

• At least one technical certification in the above-mentioned technologies.

• Strong planning skills, with the ability to anticipate and adapt to changing circumstances.

• Adaptability and resilience in a dynamic work environment.

• Ability to communicate and work effectively across different cultures and social groups.

• Proficiency in active listening and client-centric communication.

• A positive outlook and the ability to work well under pressure.

• A client-first attitude, always seeking to create positive client experiences.

• A bachelor's degree or equivalent qualification in IT/Computing, or equivalent work experience.

Responsibilities:

• Data Infrastructure: Build, implement, and maintain scalable data pipelines and storage architectures.
• Data Quality: Maintain strong data integrity by ensuring reliability, consistency, and accuracy across all data processes.
• Performance Optimization: Enhance system efficiency by tuning data processing workflows and improving large-scale performance.
• Process Improvement & Mentoring: Strengthen data engineering practices while providing guidance and support to junior engineers.
• Cross-Functional Collaboration: Partner with business analysts, data scientists, and backend teams to deliver timely and actionable data solutions.

Qualifications:

• 5+ years’ experience in data engineering or backend roles, with strong programming skills in Python or Java/Scala.
• Hands-on experience with big data tools: Spark, Flink, Kafka, Airflow, and cloud platforms (AWS, GCP, Azure); proficient in SQL.
• Skilled in designing and maintaining data models, warehouses, and ETL/ELT pipelines for scalable, reliable systems.
• Knowledgeable in data quality, governance, security, and compliance best practices.

We regret only shortlisted candidates will be contacted. All applications will be handled confidentially. By submitting your application, you agree to the collection, use, retention, and disclosure of your personal information to prospective employers.

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