Total 22 job vacancies by Opensource Pte. Ltd.

Key Responsibilities:

• Define and oversee project scope and objectives, involving all relevant stakeholders to ensure feasibility and alignment with organizational strategy.
• Develop, maintain, and adapt project plans, schedules, and milestones, ensuring timely delivery within scope and budget.
• Organize and allocate project tasks and resources to ensure efficiency and successful execution.
• Manage changes to project scope, schedule, and costs using appropriate change control processes and tools.
• Collect and organize project data and information to facilitate effective decision-making.
• Manage project financials, including budgeting, forecasting, and financial reporting, ensuring alignment with business objectives.
• Develop and maintain quality assurance processes, ensuring project deliverables meet required quality standards, and drive continuous improvement initiatives.
• Proactively identify, manage, and mitigate project risks, maintaining a risk register and issue log.
• Build and maintain strong relationships with customers and other stakeholders, managing their expectations throughout the project lifecycle.
• Define, manage, and realize project benefits, ensuring alignment with organizational strategy and customer business needs.
• Support the project handover process, including preparation of documentation and training materials, ensuring a seamless transition to operations.
• Document lessons learned throughout the project lifecycle and share insights with team members to foster continuous improvement.

Requirements:

• Proven experience in project management.
• Strong understanding of project management methodologies, tools, and best practices.
• Excellent leadership, communication, and stakeholder management skills.
• Experience managing budgets, schedules, and project risks effectively.
• Ability to drive projects in a dynamic environment with competing priorities.
• Strong analytical and problem-solving skills.
• Familiarity with quality assurance processes and continuous improvement initiatives.

Experience working in Banking / Financial Services or other regulated environments is mandatory.

Network Engineer (Enterprise IT Network Services Deployment & Security)

Responsibilities

• Provide project deployment for customers' Enterprise IT Network Services.
• Work closely with Project Manager to fulfil project deliverables.
• Able to perform the role of Project Lead for medium to mega size projects.
• Preferably with basic knowledge and hands on experience in any of the following areas:
• Design, planning, integration, implementation and validation

LAN/WAN/WLAN: Cisco, Alcatel, Aruba routers and switches

Network security solutions

• Security appliances: Palo Alto, Fortinet, Checkpoints, Cisco IPS/IDS, Cisco ISE, Aruba Clearpass
• Network monitoring: SolarWinds
• Network appliances based: F5 LTM/GTM, A10 LTM
• Build or migrate in Cloud infrastructure solutions
• Troubleshooting and problem identification
• Documentation skills to include creating and updating detailed environment design, installation, support and preventive maintenance documentation
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Establish TAC cases with principal vendor in complex problem till resolved.

Requirements

• Preferably with Cisco certification (CCNP)
• Experience with Cisco, Alcatel, F5 products & Firewall products
• Experience with LAN, WAN, WLAN, Data and Security networking in implementation
• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation
• Able to work flexible hours especially during after-office hour scheduled maintenance windows.

Network Engineer (Enterprise IT Network Services Deployment & Security)

Responsibilities

• Provide project deployment for customers' Enterprise IT Network Services.
• Work closely with Project Manager to fulfil project deliverables.
• Able to perform the role of Project Lead for medium to mega size projects.
• Preferably with basic knowledge and hands on experience in any of the following areas:
• Design, planning, integration, implementation and validation

LAN/WAN/WLAN: Cisco, Alcatel, Aruba routers and switches

Network security solutions

• Security appliances: Palo Alto, Fortinet, Checkpoints, Cisco IPS/IDS, Cisco ISE, Aruba Clearpass
• Network monitoring: SolarWinds
• Network appliances based: F5 LTM/GTM, A10 LTM
• Build or migrate in Cloud infrastructure solutions
• Troubleshooting and problem identification
• Documentation skills to include creating and updating detailed environment design, installation, support and preventive maintenance documentation
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Establish TAC cases with principal vendor in complex problem till resolved.

Requirements

• Preferably with Cisco certification (CCNP)
• Experience with Cisco, Alcatel, F5 products & Firewall products
• Experience with LAN, WAN, WLAN, Data and Security networking in implementation
• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation
• Able to work flexible hours especially during after-office hour scheduled maintenance windows.

Network Engineer (Enterprise IT Network Services Deployment & Security)

Responsibilities

• Provide project deployment for customers' Enterprise IT Network Services.
• Work closely with Project Manager to fulfil project deliverables.
• Able to perform the role of Project Lead for medium to mega size projects.
• Preferably with basic knowledge and hands on experience in any of the following areas:
• Design, planning, integration, implementation and validation

LAN/WAN/WLAN: Cisco, Alcatel, Aruba routers and switches

Network security solutions

• Security appliances: Palo Alto, Fortinet, Checkpoints, Cisco IPS/IDS, Cisco ISE, Aruba Clearpass
• Network monitoring: SolarWinds
• Network appliances based: F5 LTM/GTM, A10 LTM
• Build or migrate in Cloud infrastructure solutions
• Troubleshooting and problem identification
• Documentation skills to include creating and updating detailed environment design, installation, support and preventive maintenance documentation
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Establish TAC cases with principal vendor in complex problem till resolved.

Requirements

• Preferably with Cisco certification (CCNP)
• Experience with Cisco, Alcatel, F5 products & Firewall products
• Experience with LAN, WAN, WLAN, Data and Security networking in implementation
• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation
• Able to work flexible hours especially during after-office hour scheduled maintenance windows.

Network Engineer (Enterprise IT Network Services Deployment & Security)

Responsibilities

• Provide project deployment for customers' Enterprise IT Network Services.
• Work closely with Project Manager to fulfil project deliverables.
• Able to perform the role of Project Lead for medium to mega size projects.
• Preferably with basic knowledge and hands on experience in any of the following areas:
• Design, planning, integration, implementation and validation

LAN/WAN/WLAN: Cisco, Alcatel, Aruba routers and switches

Network security solutions

• Security appliances: Palo Alto, Fortinet, Checkpoints, Cisco IPS/IDS, Cisco ISE, Aruba Clearpass
• Network monitoring: SolarWinds
• Network appliances based: F5 LTM/GTM, A10 LTM
• Build or migrate in Cloud infrastructure solutions
• Troubleshooting and problem identification
• Documentation skills to include creating and updating detailed environment design, installation, support and preventive maintenance documentation
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Establish TAC cases with principal vendor in complex problem till resolved.

Requirements

• Preferably with Cisco certification (CCNP)
• Experience with Cisco, Alcatel, F5 products & Firewall products
• Experience with LAN, WAN, WLAN, Data and Security networking in implementation
• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation
• Able to work flexible hours especially during after-office hour scheduled maintenance windows.

Role: CloudEngineer (GCC)

KeyResponsibilities:

• Manage the day-to-day operations of Government Cloud (GCC) Microsoft Azure infrastructure, ensuring stability, performance, and security.
• Lead the implementation of Azure cloud projects from planning and design through deployment and documentation.
• Work collaboratively with application, infrastructure, and network teams to support deployments, troubleshoot issues, and align on architectural decisions.
• Design, configure, and manage Azure Virtual Networks and Subnets, enabling secure and scalable cloud environments.
• Configure and maintain Network Security Groups (NSG) to enforce traffic control policies.
• Deploy, configure, and support Azure Load Balancers (LB) for high availability and optimal performance.
• Implement and manage Web Application Firewall (WAF) policies to protect web applications from threats and vulnerabilities.
• Configure and administer Azure DNS for name resolution and service discovery.
• Set up and maintain route tables and virtual network peerings to support hybrid, multi-region, and cross-subscription architectures.
• Integrate and manage syslog solutions and maintain the Azure Log Analytics Workspace for effective monitoring, diagnostics, and auditing.
• Oversee the procurement, management, and renewal of SSL certificates related to WAF and firewall infrastructure.
• Automate infrastructure provisioning and configuration using Terraform, adhering to Infrastructure-as-Code (IaC) standards.
• Ensure adherence to security best practices, compliance standards, and organizational policies.
• Participate in incident response and root cause analysis related to Azure infrastructure.
• Continuously assess the environment for performance improvements, cost optimizations, and new service adoption opportunities.
• Develop performance and operational reports.

RequiredQualifications:

• Certified in Microsoft Azure Administrator Associate (AZ-104) is mandatory.
• Certified in Cisco Certified Networking Associate (CCNA) will be a plus.
• Bachelors Degree or Diploma in Information Technology, Computing or equivalent
• 2–3 years of experience working with Azure infrastructure in GCC 1.0 and 2.0 environment.
• Proven hands-on experience with Terraform for Azure automation.
• Strong knowledge of Azure networking, security, and monitoring tools.
• Familiarity with logging analysis and monitoring via Azure Monitor and Log Analytics.
• Good understanding of ITIL processes, including Incident, Problem, Change, and Configuration Management.

Role: CloudEngineer (GCC)

KeyResponsibilities:

• Manage the day-to-day operations of Government Cloud (GCC) Microsoft Azure infrastructure, ensuring stability, performance, and security.
• Lead the implementation of Azure cloud projects from planning and design through deployment and documentation.
• Work collaboratively with application, infrastructure, and network teams to support deployments, troubleshoot issues, and align on architectural decisions.
• Design, configure, and manage Azure Virtual Networks and Subnets, enabling secure and scalable cloud environments.
• Configure and maintain Network Security Groups (NSG) to enforce traffic control policies.
• Deploy, configure, and support Azure Load Balancers (LB) for high availability and optimal performance.
• Implement and manage Web Application Firewall (WAF) policies to protect web applications from threats and vulnerabilities.
• Configure and administer Azure DNS for name resolution and service discovery.
• Set up and maintain route tables and virtual network peerings to support hybrid, multi-region, and cross-subscription architectures.
• Integrate and manage syslog solutions and maintain the Azure Log Analytics Workspace for effective monitoring, diagnostics, and auditing.
• Oversee the procurement, management, and renewal of SSL certificates related to WAF and firewall infrastructure.
• Automate infrastructure provisioning and configuration using Terraform, adhering to Infrastructure-as-Code (IaC) standards.
• Ensure adherence to security best practices, compliance standards, and organizational policies.
• Participate in incident response and root cause analysis related to Azure infrastructure.
• Continuously assess the environment for performance improvements, cost optimizations, and new service adoption opportunities.
• Develop performance and operational reports.

RequiredQualifications:

• Certified in Microsoft Azure Administrator Associate (AZ-104) is mandatory.
• Certified in Cisco Certified Networking Associate (CCNA) will be a plus.
• Bachelors Degree or Diploma in Information Technology, Computing or equivalent
• 2–3 years of experience working with Azure infrastructure in GCC 1.0 and 2.0 environment.
• Proven hands-on experience with Terraform for Azure automation.
• Strong knowledge of Azure networking, security, and monitoring tools.
• Familiarity with logging analysis and monitoring via Azure Monitor and Log Analytics.
• Good understanding of ITIL processes, including Incident, Problem, Change, and Configuration Management.

Role: CloudEngineer (GCC)

KeyResponsibilities:

• Manage the day-to-day operations of Government Cloud (GCC) Microsoft Azure infrastructure, ensuring stability, performance, and security.
• Lead the implementation of Azure cloud projects from planning and design through deployment and documentation.
• Work collaboratively with application, infrastructure, and network teams to support deployments, troubleshoot issues, and align on architectural decisions.
• Design, configure, and manage Azure Virtual Networks and Subnets, enabling secure and scalable cloud environments.
• Configure and maintain Network Security Groups (NSG) to enforce traffic control policies.
• Deploy, configure, and support Azure Load Balancers (LB) for high availability and optimal performance.
• Implement and manage Web Application Firewall (WAF) policies to protect web applications from threats and vulnerabilities.
• Configure and administer Azure DNS for name resolution and service discovery.
• Set up and maintain route tables and virtual network peerings to support hybrid, multi-region, and cross-subscription architectures.
• Integrate and manage syslog solutions and maintain the Azure Log Analytics Workspace for effective monitoring, diagnostics, and auditing.
• Oversee the procurement, management, and renewal of SSL certificates related to WAF and firewall infrastructure.
• Automate infrastructure provisioning and configuration using Terraform, adhering to Infrastructure-as-Code (IaC) standards.
• Ensure adherence to security best practices, compliance standards, and organizational policies.
• Participate in incident response and root cause analysis related to Azure infrastructure.
• Continuously assess the environment for performance improvements, cost optimizations, and new service adoption opportunities.
• Develop performance and operational reports.

RequiredQualifications:

• Certified in Microsoft Azure Administrator Associate (AZ-104) is mandatory.
• Certified in Cisco Certified Networking Associate (CCNA) will be a plus.
• Bachelors Degree or Diploma in Information Technology, Computing or equivalent
• 2–3 years of experience working with Azure infrastructure in GCC 1.0 and 2.0 environment.
• Proven hands-on experience with Terraform for Azure automation.
• Strong knowledge of Azure networking, security, and monitoring tools.
• Familiarity with logging analysis and monitoring via Azure Monitor and Log Analytics.
• Good understanding of ITIL processes, including Incident, Problem, Change, and Configuration Management.

Junior System Engineer (NetBackup)

Job Scope

• Support Windows/Linux servers and daily system operations
• Monitor and manage backups using Veritas NetBackup
• Perform basic backup & restore activities
• Troubleshoot backup and system issues
• Assist in patching, upgrades, and health checks
• Maintain documentation and reports

Requirements

• 1–3 years of IT / System support experience
• Basic knowledge of Veritas NetBackup or similar tools
• Understanding of Windows/Linux environments
• Good troubleshooting and communication skills

Junior System Engineer (NetBackup)

Job Scope

• Support Windows/Linux servers and daily system operations
• Monitor and manage backups using Veritas NetBackup
• Perform basic backup & restore activities
• Troubleshoot backup and system issues
• Assist in patching, upgrades, and health checks
• Maintain documentation and reports

Requirements

• 1–3 years of IT / System support experience
• Basic knowledge of Veritas NetBackup or similar tools
• Understanding of Windows/Linux environments
• Good troubleshooting and communication skills

System Engineer

Engineers can preferably be degree holders who have at least 2 years’ experience if they do not do supervisory roles. Diploma holders will be given engineer.

At least 1 to 2 years working experience in assisting the senior engineer and able to work independently on their daily tasks.

1. Minimally need to have CCNA or networking equivalent qualification.

2. Have basic understanding of virtualization such as VMs

3. Have basic understanding on cybersecurity technologies, firewalls, antivirus etc.

4. Assist the senior engineer in carrying out daily tasks such as deploying laptops for exercises.

5. Assists users in preparing for cyber exercises, setup OS Windows login etc.

6. Need to take on routine O&S functions, basic system health checks on servers and storage.

7. Doing system backups, check server status and configure IPs and VLANs for training. Doing OS patching.

For Project Requirement Cat 1 clearace required

System Engineer
Engineers can preferably be degree holders who have at least 2 years’ experience if they do not do supervisory roles. Diploma holders will be given engineer.

At least 1 to 2 years working experience in assisting the senior engineer and able to work independently on their daily tasks.

1. Minimally need to have CCNA or networking equivalent qualification.
2. Have basic understanding of virtualization such as VMs
3. Have basic understanding on cybersecurity technologies, firewalls, antivirus etc.
4. Assist the senior engineer in carrying out daily tasks such as deploying laptops for exercises.
5. Assists users in preparing for cyber exercises, setup OS Windows login etc.
6. Need to take on routine O&S functions, basic system health checks on servers and storage.
7. Doing system backups, check server status and configure IPs and VLANs for training. Doing OS patching.

For Project Requirement Cat 1 clearace required

Role: CloudEngineer (GCC)

KeyResponsibilities:

• Manage the day-to-day operations of Government Cloud (GCC) Microsoft Azure infrastructure, ensuring stability, performance, and security.
• Lead the implementation of Azure cloud projects from planning and design through deployment and documentation.
• Work collaboratively with application, infrastructure, and network teams to support deployments, troubleshoot issues, and align on architectural decisions.
• Design, configure, and manage Azure Virtual Networks and Subnets, enabling secure and scalable cloud environments.
• Configure and maintain Network Security Groups (NSG) to enforce traffic control policies.
• Deploy, configure, and support Azure Load Balancers (LB) for high availability and optimal performance.
• Implement and manage Web Application Firewall (WAF) policies to protect web applications from threats and vulnerabilities.
• Configure and administer Azure DNS for name resolution and service discovery.
• Set up and maintain route tables and virtual network peerings to support hybrid, multi-region, and cross-subscription architectures.
• Integrate and manage syslog solutions and maintain the Azure Log Analytics Workspace for effective monitoring, diagnostics, and auditing.
• Oversee the procurement, management, and renewal of SSL certificates related to WAF and firewall infrastructure.
• Automate infrastructure provisioning and configuration using Terraform, adhering to Infrastructure-as-Code (IaC) standards.
• Ensure adherence to security best practices, compliance standards, and organizational policies.
• Participate in incident response and root cause analysis related to Azure infrastructure.
• Continuously assess the environment for performance improvements, cost optimizations, and new service adoption opportunities.
• Develop performance and operational reports.

RequiredQualifications:

• Certified in Microsoft Azure Administrator Associate (AZ-104) is mandatory.
• Certified in Cisco Certified Networking Associate (CCNA) will be a plus.
• Bachelors Degree or Diploma in Information Technology, Computing or equivalent
• 2–3 years of experience working with Azure infrastructure in GCC 1.0 and 2.0 environment.
• Proven hands-on experience with Terraform for Azure automation.
• Strong knowledge of Azure networking, security, and monitoring tools.
• Familiarity with logging analysis and monitoring via Azure Monitor and Log Analytics.
• Good understanding of ITIL processes, including Incident, Problem, Change, and Configuration Management.

Role: CloudEngineer (GCC)

KeyResponsibilities:

• Manage the day-to-day operations of Government Cloud (GCC) Microsoft Azure infrastructure, ensuring stability, performance, and security.
• Lead the implementation of Azure cloud projects from planning and design through deployment and documentation.
• Work collaboratively with application, infrastructure, and network teams to support deployments, troubleshoot issues, and align on architectural decisions.
• Design, configure, and manage Azure Virtual Networks and Subnets, enabling secure and scalable cloud environments.
• Configure and maintain Network Security Groups (NSG) to enforce traffic control policies.
• Deploy, configure, and support Azure Load Balancers (LB) for high availability and optimal performance.
• Implement and manage Web Application Firewall (WAF) policies to protect web applications from threats and vulnerabilities.
• Configure and administer Azure DNS for name resolution and service discovery.
• Set up and maintain route tables and virtual network peerings to support hybrid, multi-region, and cross-subscription architectures.
• Integrate and manage syslog solutions and maintain the Azure Log Analytics Workspace for effective monitoring, diagnostics, and auditing.
• Oversee the procurement, management, and renewal of SSL certificates related to WAF and firewall infrastructure.
• Automate infrastructure provisioning and configuration using Terraform, adhering to Infrastructure-as-Code (IaC) standards.
• Ensure adherence to security best practices, compliance standards, and organizational policies.
• Participate in incident response and root cause analysis related to Azure infrastructure.
• Continuously assess the environment for performance improvements, cost optimizations, and new service adoption opportunities.
• Develop performance and operational reports.

RequiredQualifications:

• Certified in Microsoft Azure Administrator Associate (AZ-104) is mandatory.
• Certified in Cisco Certified Networking Associate (CCNA) will be a plus.
• Bachelors Degree or Diploma in Information Technology, Computing or equivalent
• 2–3 years of experience working with Azure infrastructure in GCC 1.0 and 2.0 environment.
• Proven hands-on experience with Terraform for Azure automation.
• Strong knowledge of Azure networking, security, and monitoring tools.
• Familiarity with logging analysis and monitoring via Azure Monitor and Log Analytics.
• Good understanding of ITIL processes, including Incident, Problem, Change, and Configuration Management.

Key Responsibilities

1. OS & Core Platform Management

• Commission and decommission compute and login nodes.
• Maintain golden images and ensure kernel version alignment and consistency.
• Apply OS hardening in accordance with authority-approved baselines.
• Execute staging-to-production patch cycles with proper validation and rollback plans.
• Detect and remediate configuration drift.
• Perform daily platform health checks and provide validation reports.

2. Virtualization & HCI Operations

• Manage VM lifecycle and maintain template hygiene.
• Execute scheduled monthly platform patching activities.
• Perform backup verification and representative restore testing.
• Participate in quarterly Disaster Recovery (DR) drills.
• Maintain inventory records, tagging standards, and configuration documentation.

3. Incident & Change Management

• Respond to incidents in accordance with SLA targets:
• P1: ≤ 30 minutes response time
• P2: ≤ 1 hour response time
• Implement approved changes with documented impact assessments and rollback plans.
• Perform post-incident Root Cause Analysis (RCA) and track corrective actions.
• Maintain ITSM evidence for all operational activities.

4. Security & Compliance

• Perform vulnerability remediation within defined timelines.
• Conduct key and certificate rotation activities.
• Execute account hygiene checks and periodic access reviews.
• Maintan audit-ready evidence packs and compliance documentation.

Environment / Platforms

• Red Hat Enterprise Linux(RHEL)
• SUSE Harvester
• HPE dHCI
• HPE Performance Cluster Manager (HPCM)
• CheckMK Monitoring System

Required Experience

• Minimum 5 years of experience in Linux system administration
• Experience in HPC environments or large-scale compute clusters preferred

Hands-on experience with:

• Red Hat Enterprise Linux (RHEL OS)
• VMware and/or SUSE Harvester
• Automation scripting (Shell / Python)
• Enterprise monitoring tools

Required Certifications

• ITIL Foundation (mandatory)
• Red Hat Certified SystemAdministrator (RHCSA) or equivalent or higher