Total 2,698 software test engineer job vacancies in Information Technology category

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.

About the Role

In this role, you will take over an existing high-performance Python/FastAPI backend and a polished Next.js frontend, ensuring seamless integration between the two. You will play a pivotal role in the platform's Phase 2 evolution: architecting the AI Marketplace, developing dynamic "Generative UIs" for autonomous agents, and laying out the groundwork for an upcoming data platform side-project.

If you are a product-minded builder who loves crafting flawless user experiences on top of complex AI backends and enjoys using AI-assisted tools ("vibe coding") to accelerate delivery, this is the role for you.

Key Responsibilities

• Core Platform & Module Development: Lead the end-to-end development of the MagicAssist platform. Design and implement robust User Management modules (handling session logic, SSO/SAML, concurrent login protection) and Analytic Dashboards from the ground up.
• Marketplace Architecture & RBAC: Build out the UI and business logic for the internal AI Marketplace. Implement complex Role-Based Access Control (RBAC) and tenant isolation to allow users to securely publish, share, and manage access to custom document chatbots, datasets, and agentic skills in compliance with the corporate policies.
• Agent Integration & Generative UI: Collaborate with the GenAI team to integrate "Magic Agents." Design dynamic component-driven interfaces (Generative UI) that render bespoke frontend widgets based on the specific "skills," code interpreters, or 3rd-party APIs the AI agent chooses to invoke.
• Analytics & Data Visualization: Track token usage metrics (input/output across different LLMs), bot performance, user engagement and other performance measures. Build rich data visualization components to support platform admins and lay the frontend groundwork for upcoming data platform and pipeline integration.
• Database & State Management: Design and maintain complex relational database schemas in PostgreSQL to support multi-version Bot/Agent workflows, unified permissions, and sliding-window chat histories.
• Security & Compliance: Maintain zero-trust architecture. Ensure robust input sanitization and integrate AWS KMS for secure JWT handling, aligning with stringent government data security standards.

Qualifications

• Experience: 5+ years of software engineering experience with a strong, proven track record in both complex frontend and backend development.
• Frontend Mastery: Advanced knowledge of React and Next.js (App Router, Server Components). Mastery of state management for persistent streaming. Experience with the Vercel AI SDK or building Generative UIs is a massive plus.
• Backend Mastery: Deep expertise in Python and FastAPI (asynchronous programming, middleware, background tasks, API integrations).
• Database Expertise: Mandatory proficiency in Relational Database Management Systems (PostgreSQL) and complex schema design.
• AWS Familiarity: Practical experience with AWS services (S3, IAM, Lambda, DynamoDB).

Nice-to-Have (Bonus Points):

• Data Analysis Background: Previous experience as a Data Analyst or building internal data/analytics platforms is a strong advantage for upcoming projects.
• GenAI Ecosystem: Hands-on experience with AWS Bedrock (Converse API, Knowledge Bases) or integrating LLM APIs.
• UI/UX & Visualization: Experience with data visualization libraries (e.g., Recharts, D3.js, Chart.js) is required for building the analytics dashboards.
• Regulated Environments: Prior experience building internal enterprise tools with high security requirements (e.g., IM8 policies in the Singapore government sector).

Let's talk about what's in it for you!

Passionate people are Capgemini's Ace of Spades - join us to discover a career that will challenge, support and inspire you. Working at Capgemini you'll find the rewards are more than just financial. You will work alongside some very smart and inspiring people on exciting projects and you will also enjoy incredible benefits. We offer flexible work practices and 40 hours of self-development every year with a huge selection of learning opportunities to choose from.

As "Architects of Positive Futures", Capgemini actively supports the community in 3 ways:

Diversity and Inclusion - we believe diversity of thought fuels excellence and innovation, which is why we positively encourage applications from suitably qualified candidates regardless of their gender identity, ethnicity, sexual orientation, religion, ability, intersex status or age. To support our commitment to diversity and inclusion, we celebrate special events and days of significance that are important to our employees such as Diwali, Bastille Day, Pride, IDAHOBIT, IWD and International day of people with Disabilities. Our Employee Resource Groups Women@Capgemini and OutFront support the grassroots passion of employees to drive our diversity agenda and effect change.

Digital inclusion - at Capgemini we are using our skills to drive social impact initiatives focusing on helping society address the impact of the digital and automation revolution. We also provide employees with opportunities to give back to the community through charity projects and volunteer days.

Environmental Sustainability - Capgemini joined the CDP's (Carbon Disclosure Project) prestigious "A list" for its commitment to the Net-Zero economy. We are focusing on helping our clients transform towards more sustainable business models and committing to reduce our own carbon emissions (GHG) by 20% per employee by 2020.

Recognised by Ethisphere as one of the World's Most Ethical Companies for the last 8 years in a row, ethics and values are at the heart of Capgemini's corporate culture and business. Embedded in our DNA, our seven values - Honesty, Boldness, Trust, Team Spirit, Freedom, Fun and Modesty - have remained the same since company inception in 1967. To see how we bring these values to life, click here to listen to some of our employee’s stories.

Come join us, bring your whole self to work, create new possibilities for you, your customers and your community and help us to be Architects of Positive Futures.

We are seeking a detail-oriented Network Engineer. You will ensure our local and wide area networks (LAN/WAN) operate with maximum uptime, security, and efficiency. You will play a pivotal role in optimizing performance, troubleshooting issues, and scaling digital infrastructure to support business continuity.

Key Responsibilities

• Infrastructure Design & Build: Design, configure, and maintain network hardware and software configurations, including routers, switches, firewalls, and VPNs.
• Performance Monitoring: Monitor network bandwidth, traffic, and system resources to ensure optimal data throughput. Proactively identify and resolve potential issues.
• Troubleshooting: Serve as the primary escalation point (L2/L3 support) for complex network connectivity and hardware problems.
• Security & Compliance: Develop, implement, and maintain network security policies, ensuring systems are protected against unauthorized access and cyber threats.
• Documentation & Capacity Planning: Create and maintain comprehensive technical documentation, network diagrams, and disaster recovery plans.
• Vendor Management: Collaborate with third-party support and service providers for telecom lines, hardware procurement, and vendor-specific issue resolution.

Qualifications & Skills

• Education: Bachelor’s degree in Computer Science, Information Technology, or a related technical field.
• Experience: 3+ years of hands-on experience in network engineering, infrastructure administration, or related IT roles.
• Networking Protocols: Deep understanding of TCP/IP and routing/switching technologies (e.g., BGP, OSPF, MPLS).
• Hardware Knowledge: Proven experience managing devices from vendors like Cisco, Juniper, or Fortinet.
• Security: Strong understanding of access control models, firewalls, and network diagnostic/monitoring tools (e.g., SolarWinds, Wireshark).
• Automation: Familiarity with scripting languages for network automation (e.g., Python, Perl) is highly preferred.
• Certifications: Certifications such as CCNA, CCNP, or CompTIA Network+ are a strong plus.

Job Description:

1. Oversees projects management and implementation;
2. Codify implementation design into documented for end user's record;
3. Conduct training and presentation for team members and end-users;
4. Provide technical testing or support to pre-sales engineer/customer on the network setup;
5. Assist on technical communications with customer/partner, to ensure closure of sales order;
6. Ensuring that the solution can deliver on the customer’s requirements;
7. Work closely with Level 2 support, if case issue is escalated to Level 3;
8. Maintain rapport with customers and competence in managing vendors; and
9. Any other ad-hoc duties assigned.

Job Requirement:

• Degree/Diploma in IT Networking or equivalent
• At least 2 years of work experience in a SI or distributor environment with network security skillset
• Good IT knowledge in OSI 7 Layer, TCP/IP, LAN/WAN technologies and network security
• Ability to work under pressure with minimal supervision
• Excellent in communication and analytical skill
• Experience in network security projects implementation
• Positive working attitude and a good team player
• Willing to work extended office hours and after office hours when needed
• Exposure to security solution such as Firewall, local balancer or endpoint protection will be an added advantage

As a Senior Data Engineer, you will be working on:

• Translate data requirements from business users into technical specifications.

• Collaborate with partner agency’s IT teams on technology stack, infrastructure and security alignment.

• Build out data product as part of a data team:

• Architect and build ingestion pipelines to collect, clean, merge, and harmonize data from different source systems.

• Day-to-day monitoring of databases and ETL systems, e.g., database capacity planning and maintenance, monitoring, and performance tuning; diagnose issues and deploy measures to prevent recurrence; ensure maximum database uptime;

• Construct, test, and update useful and reusable data models based on data needs of end users.

• Design and build secure mechanisms for end users and systems to access data in data warehouse.

• Research, propose and develop new technologies and processes to improve agency data infrastructure.

• Collaborate with data stewards to establish and enforce data governance policies, best practices and procedures. • Maintain data catalogue to document data assets, metadata and lineage.

• Implement data quality checks and validation processes to ensure data accuracy and consistency.

• Implement and enforce data security best practices, including access control, encryption, and data masking, to safeguard sensitive data.

What we are looking for:

• A Bachelor’s Degree, preferably in Computer Science, Software Engineering, Information Technology, or related disciplines.

• Deep understanding of system design, data structure and algorithms, data modelling, data access, and data storage.

• Demonstrated ability in using cloud technologies such as AWS, Azure, and Google Cloud.

• Experience with Databricks.

• Experience in designing, building, and maintaining batch and real-time data pipelines.

• Experience with orchestration frameworks such as Airflow, Azure Data Factory.

• Proficiency in working with Python, Shell Scripts, and SQL.

Preferred requirements:

• Familiarity with building and using CI/CD pipelines.

• Familiarity with DevOps tools such as Docker, Git, Terraform.

• Experience with implementing technical processes to enforce data security, data quality, and data governance.

• Familiarity with government systems and government's policies relating to data governance, data management, data infrastructure, and data security.

• Experience in Climate and Weather domains will be an advantage.

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

• Lead a team of developers to design, develop, and deliver high-quality software solutions aligned with product specifications and project timelines.
• Collaborate with solution architects to design scalable, secure, and maintainable systems using modern architectural patterns such as microservices and event-driven architectures.
• Establish and enforce development standards including coding practices, documentation, version control, testing, and code reviews to ensure high-quality deliverables.
• Act as the primary technical point of contact for stakeholders, supporting project planning, requirement analysis, system integration testing, and issue resolution.

Requirements:

• At least a diploma with 6 years software development experience.
• Strong Java expertise with Spring Framework and REST APIs.
• Experience with web, cloud, and DevOps tools (Angular/React, Docker, Kubernetes, CI/CD).
• Knowledge of microservices and messaging systems (Kafka, MQ, etc.).

To apply, please include the following details inside your CV for faster processing:

• Reasons for leaving each past & current employment
• Salary drawn for each past & current employment
• Expected Salary
• Earliest availability date

We regret that only short-listed candidates will be contacted shortly.

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

Key Responsibilities

• Develop and implement data analytics solutions to convert raw structured and unstructured data into meaningful insights.
• Apply data mining, data modeling, machine learning, and natural language processing (NLP) techniques to solve business challenges.
• Design and maintain scalable data pipelines, ETL processes, and data platforms to ensure data quality, accessibility, and reliability.
• Build dynamic dashboards, reports, and visualizations to communicate key findings and support decision-making.
• Establish data governance frameworks, data standards, metadata management, and asset catalogs to improve data consistency and compliance.
• Collaborate with cross-functional stakeholders to deliver data-driven solutions and optimize business processes.
• Evaluate emerging AI technologies and implement innovative solutions that enhance operational efficiency and business performance.

Preferred Qualifications

• Master's degree or above in Computer Science, Data Science, Engineering, Statistics,  Business Analytics or a related field.
• Proven experience in Data Engineering, Data Analytics, Machine Learning, AI Applications, or Data Governance.
• Strong proficiency in SQL, Python, and data visualization tools such as Tableau or Power BI.
• Experience building ETL pipelines, data lakes, APIs, and large-scale data platforms.
• Solid understanding of machine learning, predictive analytics, data modeling, and NLP techniques.
• Excellent analytical, problem-solving, and stakeholder management skills.

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

Details:
1 Year Renewable Contract

Duties:

• Manage and support enterprise network infrastructure including routers, switches, firewalls, and load balancers in 24x7 production environments.
• Install, configure, and maintain network hardware and software; manage user access, permissions, and authentication systems.
• Ensure high availability, resilience, and performance through routine health checks, monitoring, and capacity planning.
• Design, implement, and manage connectivity between on-premise data centres and cloud environments.
• Support cloud VPC architecture, VPN (Site-to-Site / Client), and Direct Connect integration.
• Troubleshoot hybrid connectivity issues across cloud and on-premises environments, coordinating with telecom providers as needed.
• Configure and manage firewalls, security groups, NACLs, network segmentation, and zoning.
• Implement security best practices aligned with regulatory standards and PCI DSS requirements where applicable.
• Collaborate with the security operations team on vulnerability remediation, system hardening, and incident response.
• Monitor network performance using tools such as SolarWinds, PRTG, CloudWatch, or equivalent platforms.
• Analyse traffic patterns, latency, and throughput; proactively identify and resolve performance bottlenecks.
• Investigate and resolve network outages, connectivity issues, latency, and packet loss in coordination with cloud teams, telcos, and third-party contractors.
• Participate in major incident management processes and contribute to root cause analysis (RCA).
• Implement network changes in accordance with change advisory board (CAB) processes; support deployments requiring network configuration updates.
• Perform validation testing and rollback planning for all changes.
• Manage network connectivity with external partners, payment gateways, and telecommunications providers.
• Coordinate vendor provisioning, troubleshooting, and performance optimisation; monitor connectivity health post-provisioning.
• Design and maintain network redundancy, failover mechanisms, and disaster recovery (DR) configurations.
• Participate in DR exercises and validate failover readiness.
• Maintain up-to-date network diagrams, configurations, SOPs, and operational runbooks.
• Identify and recommend improvements for network performance, security, and scalability.
• Provide after-hours support for incidents, scheduled maintenance, firmware/software updates, and critical network changes.

Requirements:

• Diploma or degree in Computer Science, Information Technology, Engineering, or equivalent.
• Minimum 3 years of experience in network engineering or operations, supporting enterprise or mission-critical hybrid environments.
• Hands-on experience with AWS networking services including VPC, subnets, route tables, security groups, NACLs, VPN, and Direct Connect; exposure to Azure or GCP is an advantage.

Interested Applicants, please click Apply Now

Chow Zi Qing

R2199258

RevUp Proservices Pte Ltd

EA.24C2366

Roles and Responsibilities

• Working and managing tight knit agile teams developing robust mobile, web, and enterprise.
• Design and implement distributed and highly robust enterprise applications that scale for enterprise.
• Adhere to Continuous Integration and Continuous Delivery.
• Adhere to DevOps principles and be involved in projects throughout their full software lifecycle from development, QA, deployment, to post-production support.
• Work collaboratively in a cross functional team in an Agile delivery.
• Front-end development.
• Back-end development.
• Ensure high code quality.

Qualifications and Experience

• Degree in IT, Engineering or Computer Science.
• Minimum of 5 years of experience in Software Engineering
• Minimum of 3 years of experience in Java and Spring Boot
• Minimum of 2 years of experience in Angular
• Experience in MongoDB and MySQL.
• Experience in developing REST APIs using Micro-service Architecture.
• Experience in Docker / Linux / Maven / Git .
• Understanding about Front End development.
• Knowledge of DevOps practices.

Skills and Capabilities

• Excellent communication and leadership skills.
• Able to converse and write well in English.
• Strong analytical problem-solving skills.
• Perform task with minimum supervision.
• Ability to deal with high levels of uncertainty.
• Problem-solving and debugging skills.

Required Backend Technical Skills
· Strong proficiency in Java (Java 21) with deep understanding of core concepts, coupled with expert-level Spring Boot framework knowledge (MVC, Data, Security, Cloud).
· Strong understanding of modulith/microservices patterns and best practices,
alongside experience with relational databases (e.g., MariaDB, PostgreSQL) and SQL optimization.
· Strong knowledge of RESTful API design principles and experience with message queues (Kafka, IBM MQ, etc.).
· Proven expertise in unit testing and integration testing (JUnit, Mockito, Karate), and a strong understanding of design pa

Job description

Like Google's own ambitions, the work of a Software Engineer goes way beyond just Search. Software Engineering Managers have not only the technical expertise to take on and provide technical leadership to major projects, but also manage a team of engineers. You not only optimize your own code but make sure engineers are able to optimize theirs. As a Software Engineering Manager you manage your project goals, contribute to product strategy and help develop your team. Teams work all across the company, in areas such as information retrieval, artificial intelligence, natural language processing, distributed computing, large-scale system design, networking, security, data compression, user interface design; the list goes on and is growing every day. Operating with scale and speed, our exceptional software engineers are just getting started -- and as a manager, you guide the way.

With technical and leadership expertise, you manage engineers across multiple teams and locations, a large product budget and oversee the deployment of large-scale projects across multiple sites internationally.

Additional job description

As the Software Engineering Manager for the newly formed software engineering team within the Cloud & Third-Party Security team in Singapore, you will be a foundational lead for our new, high-impact software engineering team. You will act as a technical leader to hire and manage software engineers and work cross-functionally with stakeholders across Google to enable achieving our risk reduction goals.

Qualifications

Job responsibilities

• Build and lead a team of software engineers, combining technical leadership and people management to build scalable products that identify and remediate security gaps in Alphabet's usage of public cloud infrastructure, third-party vendors, and SaaS.
• Drive the technical roadmap to support risk reduction goals by addressing ambiguous problems, identifying future work, and ensuring technical excellence and manageable complexity.
• Oversee engineering projects, drive key architectural decisions and influence strategies across partner security and software engineering teams while building strong collaborations.
• Partner with cross-functional roles (e.g., Security Engineers, TPMs) to define requirements and implement systems that enable the rollout of controls to reduce the risk of undermanaged cloud and third-party vendor usage.
• Cultivate a high-performing engineering culture by overseeing staffing, driving professional growth through mentorship, and leading career development and performance management initiatives.
  

Minimum qualifications

• Bachelor’s degree, or equivalent practical experience.
• 8 years of experience programming in Java, Python, Golang, C++ or equivalent codebases.
• 3 years of experience building software for data privacy or security (e.g., identity and access management).
• 3 years of experience in a technical leadership role.
• 2 years of experience in a people management or team leadership role.

Preferred qualifications

• Master's degree or PhD in Computer Science or related technical field.
• 5 years of experience in a people management or team leadership role.
• Ability to present complex technical concepts to technical and non-technical audiences.
• Strong ability to partner with global stakeholders to align team goals with broader organizational objectives.
• Ability to deliver against product deliverables in ambiguous environments.
• Proven track record of managing an engineering team, with a strong background in relevant security domains, particularly in cloud infrastructure and third party security controls.

Key Responsibilities

• Provide technical support and application engineering expertise for smart building, fire safety, and facilities management solutions.
• Analyze customer requirements and recommend suitable products, systems, and engineering solutions.
• Conduct technical evaluations, simulations (FEA/CFD), and feasibility studies to support product applications and project requirements.
• Prepare technical proposals, specifications, drawings, reports, and application documentation.
• Support product installation, testing, commissioning, troubleshooting, and performance optimization.
• Work closely with customers, consultants, contractors, and internal teams to ensure successful project execution and customer satisfaction.
• Assist in project planning, costing, scheduling, and technical presentations.
• Conduct site visits, inspections, testing, and audits as required.
• Ensure compliance with safety, regulatory, and quality standards.
• Provide technical training and after-sales support to customers and stakeholders.

Requirements

• Diploma or Degree in Mechanical Engineering, Fire Safety Engineering, Mechanical Design & Manufacturing Engineering, Systems Engineering, or a related field.
• Fresh graduates are encouraged to apply; comprehensive training will be provided.
• Strong analytical, problem-solving, and technical communication skills.
• Ability to work effectively with customers, vendors, and cross-functional teams.
• Familiarity with CAD, FEA, CFD, or similar engineering software is advantageous.
• Willingness to travel to customer and project sites when required.

Should focus on day-2-day operations, incident, change management, and user centric trouble shooting.

Operate andcontinuously improve the organization’s Secure Access Service Edge (SASE)services using Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA),ensuring secure, reliable user connectivity and strong policy governance.

Keyresponsibilities (Operational / BAU)

• Runday-to-day operations for ZIA (web gateway, SSL inspection, URL filtering,cloud app control, sandbox, DLP , DNS security).

• Runday-to-day operations for ZPA (App Segments, Access Policies, Connectormanagement, posture requirements, policy troubleshooting).

• Monitorservice health and user experience; proactively identify trends and recurringissues.

• HandleL2/L3 incident troubleshooting: authentication issues (SSO/SAML),PAC/forwarding issues, tunnel/connector issues, policy blocks, certificate/SSLinspection issues.

• Performpolicy administration: create/update rules, exceptions, and change deploymentsfollowing CAB/ITSM change controls.

• Maintainforwarding architecture: Zscaler Client Connector, GRE/IPsec tunnels, PACfiles, forwarding profiles, location configuration, traffic steering.

• Manageintegrations: IdP (Azure AD/Entra ID, Okta, ADFS), SIEM (Splunk/QRadar),ticketing (ServiceNow), endpoint tools (Intune/Jamf), MFA.

• Executeroutine operational tasks: connector upgrades, certificate updates, locationupdates, application onboarding to ZPA, user/group updates.

• Work withvendors/TAC; drive cases to closure and implement corrective actions.

• Maintaindocumentation: runbooks, SOPs, troubleshooting guides, policy standards,onboarding checklists.

• Supportaudits and compliance: policy reviews, recertification evidence,logging/retention checks. Menlo Web Isolation Maintain allow-list/whitelist forapproved URLs/domains based on business justification and securityrequirements.

• Manageexception lifecycle: approvals, expiry dates, periodic review/cleanup, andrecertification evidence.

• Ensureisolation policies align with ZIA policies and do not create conflicting userexperience (e.g., bypass vs isolate logic) Site not loading in isolation,rendering issues, broken web apps, file download/upload restrictions,clipboard/printing controls (as applicable)

Coreskills:

• Strongworking knowledge of ZIA (SSL inspection, URL filtering, CASB/app control,sandbox, forwarding methods).

• Strongworking knowledge of ZPA (connectors, app segments, access policies, posture,authentication flows).

• Troubleshootingacross endpoint + network + identity (DNS, TLS cert chains, proxy behavior,SAML/SSO, routing).

•ITSM/change management discipline (ServiceNow/JIRA), documentation habits.Strong knowledge about Zero Trust concepts

•Nice-to-have: SIEM integration, DLP, basic scripting (PowerShell/Python) forops automation.

About the Role

We are seeking a highly skilled and experienced Senior Network Engineer on behalf of our client to design, implement, maintain, and automate robust data center and enterprise network infrastructures.

This is a critical role requiring a rare technical trifecta: hands-on, expert-level mastery across Cisco, Juniper, and Micas platforms. If you are a seasoned engineer who thrives in complex, multi-vendor environments, loves bridging the gap between physical infrastructure and cutting-edge network automation, and enjoys mentoring junior talent, we want to hear from you.

Key Responsibilities

• Multi-Vendor Infrastructure Management: Oversee, configure, and troubleshoot complex data center and enterprise environments spanning Cisco, Juniper, and Micas platforms.

• Advanced Routing & Switching: Maintain high-availability network architectures utilizing advanced Layer 1–3 protocols ($BGP$, $OSPF$, $MPLS$, $VRF$, and multicast).

• Network Automation: Drive efficiency by developing and implementing automation workflows, infrastructure as code (IaC), and scripting solutions.

• Physical DC Operations: Oversee structured cabling, fiber optics, and physical space planning within the data center environment.

• Security & Compliance: Enforce robust network security postures across multi-vendor environments using AAA, 802.1X, ACLs, and firewalls.

• Monitoring & Documentation: Utilize DCIM and observability tools to ensure uptime, and author comprehensive technical documentation (SOPs, MOPs, and detailed network diagrams).

• Leadership & Mentorship: Act as a technical escalation point and provide guidance, coaching, and mentorship to junior and mid-level engineering staff.

Required Technical Skills & Qualifications

Core Experience

• 7+ years of dedicated experience in enterprise networking and data center operations.

Platform Expertise (Must possess hands-on experience in ALL three)

• Cisco: Catalyst, Nexus, ASR, and ISE.

• Juniper: Junos, EX, MX, and SRX series.

• Micas: Proven hands-on deployment and management experience.

Networking Fundamentals & Protocols

• Deep understanding of Layer 1–3 fundamentals.

• Advanced L3 routing proficiency: BGP, OSPF, MPLS, VRF, and Multicast.

Automation & Tools

• Network Automation: Proficiency with Python, Ansible, and Terraform.

• DCIM & Monitoring: Experience with NetBox, Splunk, ELK stack, or similar observability platforms.

Security & Physical Infrastructure

• Security: AAA, 802.1X, ACLs, and multi-vendor firewall administration.

• Physical Layer: Solid understanding of structured cabling, fiber optic types, and physical data center layout/operations.

Documentation & Certifications

• Strong track record of creating SOPs, MOPs, and network diagrams.

• Minimum Certification: CCNA required.

• Preferred Certification: CCNP, JNCIP, or equivalent multi-vendor certifications are strongly preferred.

Nice-to-Have Skills

• Experience with Ciena or Coriant optical transport systems.

• Familiarity with Nokia platforms.

• Knowledge of SD-WAN architectures and deployments.

• Cloud networking experience (AWS, Azure, or GCP).

• Experience implementing CI/CD pipelines for network infrastructure.

What We Offer

• Competitive salary and comprehensive benefits package.

• Opportunity to work with a highly sophisticated, diverse tech stack.

• A collaborative environment that values continuous learning and technical leadership.

Job Description

• To participate in the development of a large-scale web application using Microsoft .NET Framework and SQL Server.
• Understands functional requirements from stakeholders and business analysts, and perform impact analysis.
• Develop, unit testing and system integration testing of the application components.
• To support code merging, code compilation and deployment to Development, UAT and Production environments.
• Provide and update software documentation.
• Provide operational support for existing systems by investigating reported issues and resolving them.

Requirements:

• Degree in Computer Science or relevant.
• Minimum 2 years working experience in software development using .NET 4.5, C#, ASP.NET, T-SQL using SQL Server 2012 and onwards.
• Have experience in end-to-end software development life cycle.
• Knowledge in web front-end technologies such as CSS, JavaScript, JQuery, etc.
• Knowledge in code version control process and continuous integration process are required.
• Strong analytic skills and problem-solving skills are required.
• Good interpersonal skills and ability to work in a team-oriented, collaborative environment.
• Good written and verbal communication skills in English.
• Knowledge in Java and Oracle is preferred, but not required.
• Candidates with longer and relevant working experience may be given senior roles.
• Candidates with experience in technical architecting and design may be given lead roles.

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Role: MobileCore Network Ops Engineer (4G/5G)
Location: Singapore

We are partnering with a leading organisation to hire a Mobile Core Network OpsEngineer (4G/5G) to support critical telecom infrastructure and ensure seamlessnetwork operations.

About theRole

You will beresponsible for the operation, maintenance, and troubleshooting of 4G/5G corenetwork systems, ensuring high service availability and performance, includingsupport for international roaming services.

KeyResponsibilities

• Manage and support 4G/5G Mobile Core nodes (e.g., IMS, HSS, UDM, SBC, MSS, etc.) to ensure smooth network operations
• Perform system maintenance, including patching, upgrades, and performance optimisation
• Monitor network performance, KPIs, and alarms to maintain service quality
• Troubleshoot and resolve end-to-end network issues across core systems
• Collaborate with local providers and international roaming partners for testing and service assurance
• Implement security hardening and vulnerability management to mitigate risks
• Develop and maintain operational processes and documentation

Requirements

• Degree in Electronics, Communications, Networking, or related field
• Minimum 3-5 years of experience in the Telco industry
• Strong knowledge of 4G/5G core networks and call flows
• Familiarity with protocols such as IMS, VoLTE, SS7, Diameter, SIP, SCTP
• Hands-on experience in network troubleshooting (end-to-end)
• Exposure to VoLTE roaming and IREG testing
• Understanding of network and application security
• Knowledge of IP networking (switching & routing)
• Experience working with Linux and virtualised environments
• Basic scripting/programming skills (e.g., Python, Shell)

UEN: 202329526G

EA Licence: 23S2061