Total 5 job vacancies by Dna Infotech Pte. Ltd.

We are seeking an experienced MidSeniorlevel Unix Administrator with strong VMware expertise to join our environment build and infrastructure operations team The ideal candidate will be responsible for administering maintaining and optimizing UnixLinux systems as well as managing virtualized environments on VMware vSphere This role requires experts with handson technical skills the ability to work independently on complex issues and strong collaboration with crossfunctional teams in an enterprise environment

Key Responsibilities

Install configure and administer UnixLinux servers primarily RHEL in production and nonproduction environments

Manage and support VMware vSphere infrastructure including ESXi hosts vCenter Server clusters resource pools and virtual networking

Perform system monitoring performance tuning and capacity planning for UnixLinux and VMware platforms

Implement and maintain security hardening patching and compliance standards CIS STIG internal controls

Troubleshoot complex hardware OS virtualization networking and storage issuesincluding applicationtodatabase connectivity problems

Manage file systems storage allocations disk partitioning LVM configurations volume expansions and mountpoint restructuring

Automate operational tasks using Bash Python Perl or configuration management tools Ansible preferred

Maintain and improve backup snapshot and disaster recovery strategies for Unix and VMware environments

Partner with application database and DevOps teams to support deployments upgrades and system migrations

Document architecture configurations SOPs and troubleshooting procedures

Participate in oncall rotation and provide afterhours support when required

Required Qualifications

Bachelors degree in Computer Science Information Technology or related field

5 years of handson experience in UnixLinux system administration

3 years of handson experience with VMware vSphere ESXi and vCenter

Strong understanding of networking concepts TCPIP DNS NFS etc

Experience with storage systems SANNAS and backup solutions

Familiarity with ITIL practices and change management processes

Preferred Qualifications

VMware Certified Professional VCP certification

Linux Administration Certification eg RHCSA RHCE

Experience with Kubernetes containers or cloud platforms AWSAzure is a plus

Soft Skills

Strong analytical and problemsolving skills

Excellent communication and documentation abilities

Ability to work independently and in a teamoriented environment

Detailoriented with a proactive approac

Design and implement secure automation solutions

Maintain or setup monitoring tools notifications and analytics

Maintain version control systems and configuration management tools

Lead the design and implementation and maintenance of RedHat Linux environments

Experience in automation scripts and use of Ansible for system configuration and orchestrations

Provide virtualization and containerization solution using VMware and RedHat Openshift

Expert in support and troubleshooting for critical system issues

Coordinate with development team and architects to facilitate continuous integration and delivery pipeline

Adhere to industry standards and best practices

Qualification

Worked on Linux platform

Experienced as full stack developer with strong background in tool integration

Experienced on programming languages and frameworks such as HTMLCCS JavaScript Java Python Nodejs Angular etc

Familiarity with database MYSQL MongoDB webserversApache and UIUX design

Handson experience of Ansible for automation and configuration management

Experienced with OpenShift for container orchestration and management

Experience in VMware infrastructure and its integration with physical and cloud environments

Knowledge on scripting such as shell

Problem solving ability

Relevant certification

Responsibilities:

• Infrastructure & Automation: Build and manage scalable AWS environments using Infrastructure as Code (IaC) tools like Terraform or AWS CloudFormation.
• Monitoring & Observability: Track system health and application performance using tools like Amazon CloudWatch, Datadog, or OpenTelemetry. 
• Security & Compliance: Govern IAM roles, enforce security groups, and manage vulnerability patching across AWS workloads. 
• Cost Optimization: Implement cost-saving measures by identifying idle resources and right-sizing environments via AWS Cost Explorer. 
• Incident Management: Provide L2/L3 technical support, lead major incident troubleshooting, and conduct post-mortems. 
• Business Continuity: Maintain disaster recovery (DR) plans, backup solutions, and automated failover strategies.

Requirements:

• Core AWS Services: Deep knowledge of EC2, S3, VPC, IAM, and AWS Organizations/Control Tower.
• Scripting Languages: Proficiency in Bash, Python, or PowerShell.
• CI/CD & DevOps: Experience with deployment pipelines and container orchestration tools like Docker and Amazon EKS.
• Frameworks: Familiarity with ITIL processes and Site Reliability Engineering (SRE) practices.

Role Summary

The AWS Observability Engineer will implement, and standardize monitoring, alerting, logging, and dashboarding solutions across AWS environments. The role will be responsible for building reusable observability frameworks leveraging AWS-native services and Infrastructure-as-Code (IaC) practices.

The ideal candidate should have strong expertise in AWS CloudWatch, AWS Managed Grafana, Terraform, monitoring best practices, and operational visibility across cloud infrastructure and applications.

Key Responsibilities

Monitoring & Observability

• Implement end-to-end monitoring solutions across AWS environments.
• Configure and manage Amazon CloudWatch Metrics, Logs, Dashboards, and Alarms.
• Implement monitoring standards, naming conventions, and reusable monitoring templates.
• Configure log collection, retention policies, and centralized visibility.
• Establish alerting standards and operational monitoring practices.

Grafana Dashboard Development

• Develop reusable AWS Managed Grafana dashboards.
• Build dashboards for:
• EC2
• ECS/Fargate
• EKS
• RDS
• Lambda
• API Gateway
• Security Monitoring
• Create executive, operational, infrastructure, and application dashboards.
• Implement dashboard templating and multi-environment support.

Infrastructure as Code

• Develop reusable Terraform modules for:
• CloudWatch Alarms
• SNS Topics
• Grafana Dashboards
• Monitoring Configuration
• Ensure monitoring deployments are repeatable and scalable.
• Maintain version-controlled infrastructure code repositories.

Security Monitoring

• Integrate AWS Security Hub and GuardDuty into monitoring solutions.
• Build security visibility dashboards.
• Configure security alerting and notification workflows.
• Support operational visibility of cloud security findings.

Alerting & Incident Visibility

• Configure alert thresholds and alarm strategies.
• Implement SNS-based notifications using email and SMS.
• Define alert severity classifications.
• Reduce alert noise through effective threshold management.

Documentation & Knowledge Transfer

• Prepare implementation documentation.
• Create operational runbooks and support procedures.
• Conduct knowledge transfer sessions for operations teams.
• Maintain implementation and configuration documentation.

Technical Skills Required

AWS Services

Strong hands-on experience with:

• Amazon EC2
• ECS / AWS Fargate
• Amazon EKS
• AWS Lambda
• Amazon RDS
• DynamoDB
• API Gateway
• Elastic Load Balancer (ALB/NLB)
• IAM

Monitoring & Observability

• Amazon CloudWatch
• Metrics
• Logs
• Alarms
• Log Insights
• AWS Managed Grafana
• AWS SNS
• AWS X-Ray (preferred)
• Monitoring and observability best practices

Infrastructure as Code

• Terraform (mandatory)
• CloudFormation (preferred)
• Git
• CI/CD integration

Security

Working knowledge of:

• AWS Security Hub
• AWS GuardDuty
• AWS Well-Architected Framework
• AWS Security Best Practices

Good to have Qualifications

• AWS Certified Solutions Architect Associate/Professional
• Terraform Associate Certification
• Experience implementing enterprise monitoring platforms
• Experience supporting multi-account AWS environments

1. Application Development & Integration

· Design, develop, test, integrate, and maintain application components across:

o Frontend: Angular / modern JavaScript frameworks

o Backend: Java Spring Boot

o Database: MySQL

· Build and enhance:

o User interfaces (UI/UX components)

o Backend APIs and business logic

o Database schemas, queries, and stored procedures

· Perform system integration with internal and external systems

· Conduct defect fixing, performance tuning, and optimization

· Provide deployment support across development, testing, and production environments

· Leverage AI-assisted development tools to improve productivity, consistency, and code quality

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2. Testing & Quality Assurance

· Develop and execute unit tests for both frontend and backend modules

· Improve test coverage and edge case identification using AI-assisted techniques

· Support integration and system testing activities

· Ensure application quality aligns with project and regulatory standards

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3. Code Quality & Security Compliance

· Participate actively in code reviews

· Ensure compliance with:

o Authority coding standards

o OWASP Secure Coding Practices

· Apply secure development principles to protect sensitive data and systems

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4. Build, Deployment & Support

· Support application build, packaging, and deployment

· Work with CI/CD pipelines across environments

· Troubleshoot and resolve application issues across:

o Development

o Testing

o Production

· Utilize AI-assisted diagnostics tools to improve issue resolution efficiency

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5. Documentation

· Prepare and maintain:

o System design documents

o API specifications

o Database design and technical documentation

· Ensure documentation is accurate, up-to-date, and aligned with project standards

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6. Stakeholder Collaboration & Agile Delivery

· Collaborate with:

o Business stakeholders

o Technical teams

o External vendors and government agencies

· Ensure solutions are:

o Secure

o Scalable

o Maintainable

o Aligned with business and technical requirements

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7. Project Coordination & Vendor Management

· Manage and support technology initiatives, including:

o System operations and maintenance (O&M)

o New enhancements and feature development

· Coordinate with:

o ICT O&M contractors

o External partners and service providers

· Drive implementation of new initiatives and system improvements

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Qualifications & Skills

Education

· Tertiary qualification in Information Technology, Computer Science, Software Engineering, or related discipline

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Experience

· Minimum 3 years of experience as a Software Developer / Engineer

· Experience working in Agile/Scrum environments

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Technical Skills

· Strong proficiency in one or more programming languages:

o Java (preferred), Python, or .NET

· Strong experience in frontend technologies:

o JavaScript, HTML5, CSS3, Angular or React

· Experience with:

o Spring Boot framework

o MySQL or relational databases

· Familiarity with CI/CD pipelines (e.g., GitLab CI or similar)

· Exposure to cloud platforms (Azure, AWS, etc.)

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Additional Competencies

· Demonstrated ability to:

o Solve complex and abstract technical challenges

o Deliver high-quality, scalable solutions

· Experience using AI-assisted development tools for:

o Code generation

o Test automation

o Productivity enhancement

· Strong understanding of:

o Application security principles

o Secure coding practices (OWASP)

· Experience in:

o SDLC methodologies

o Testing strategies and best practices

o Continuous integration and delivery

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Key Attributes

· Strong analytical and problem-solving skills

· Good communication and stakeholder management abilities

· Ability to work independently and collaboratively in a team

· Adaptability to public sector compliance and governance requirements

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Summary

This role requires a well-rounded developer capable of:

· Full-stack development (Angular + Spring Boot + MySQL)

· Working in a secure, high-governance public sector environment

· Leveraging AI-assisted development practices

· Supporting end-to-end delivery from design to production support

We are seeking a skilled and motivated Python Developer with hands-on experience in RESTful API development and Microsoft Azure cloud services. The ideal candidate will be responsible for designing, developing, and deploying scalable backend solutions that integrate seamlessly with cloud infrastructure and enterprise systems.

Key Responsibilities:

·         Design, develop, and maintain robust Python-based backend services.

·         Build and document RESTful APIs using frameworks like FastAPI, Flask, or Django REST Framework.

·         Integrate applications with Azure services such as Azure Functions, App Services, Blob Storage, and Azure SQL.

·         Collaborate with DevOps teams to implement CI/CD pipelines using Azure DevOps or GitHub Actions.

·         integrating backend systems

·         Write clean, testable, and efficient code following best practices.

·         Participate in code reviews, sprint planning, and Agile ceremonies.

·         Monitor and troubleshoot production issues and performance bottlenecks.

Required Skills & Qualifications:

·         Bachelor’s degree in Computer Science, Engineering, or related field.

·         5+ years of experience in Python development.

·         Strong understanding of REST API design principles and tools (e.g., Postman, Swagger/OpenAPI).

·         Experience with Azure cloud services and deployment models.

·         Proficiency in SQL and working with relational databases.

·         Familiarity with Git, Docker, and Linux-based environments.