JOB DESCRIPTIONS:
FinOS Technology
is a fintech company with the mission to deliver simple, accessible, and tech-enabled financial products \& services through the digital ecosystem. We are building innovative financial technology solutions that empower people and businesses across the BFSI sector.
1. AWS Infrastructure \& Cost Optimization (50%)
Maintain and optimize AWS production infrastructure
Analyze AWS spending and identify cost-saving opportunities
Right-size compute and storage resources (EC2, EKS nodes, RDS)
Implement Reserved Instances and Savings Plans strategies
Manage S3 lifecycle policies and EBS cleanup
Optimize network and data transfer costs
2. CI/CD \& Automation (25%)
Maintain Jenkins pipelines and GitHub Actions workflows
Implement GitOps practices
Automate cost reporting and monitoring
Build self-service tools for developers
3. Infrastructure Management (15%)
Maintain Proxmox/Ceph non-production environments
Manage and upgrade EKS clusters
Perform security patching and infrastructure monitoring
4. Documentation \& Collaboration (10%)
Support developers with infrastructure-related requests
Document optimization processes and best practices
Create and maintain runbooks and internal knowledge base
REQUIREMENTS:
MUST HAVE:
AWS (3+ years)
Hands-on production experience: EC2, EKS, RDS, S3, VPC, IAM
Terraform or CloudFormation proficiency
Familiar with AWS cost tools: Cost Explorer, Trusted Advisor, Billing Console
Deep understanding of pricing models, Reserved Instances, and Savings Plans
Kubernetes (2+ years)
EKS or other production-grade Kubernetes operations
Resource management, scaling, and troubleshooting
Helm and monitoring experience
CI/CD (2+ years)
Experience with Jenkins, GitHub Actions, or similar tools
Understanding of GitOps principles
Pipeline automation
Linux \& Scripting (3+ years)
Linux system administration
Python for automation
Strong Bash scripting
Infrastructure as Code (2+ years)
Terraform (preferred) or CloudFormation
Git-based workflows
Problem-Solving
Strong analytical and debugging approach
Independent investigation and research skills
HIGHLY PREFERRED:
AI Tool Proficiency
Active user of ChatGPT, Claude, or GitHub Copilot
Leverages AI for troubleshooting, scripting, and automation
Validates and reviews AI-generated outputs
Cost Optimization Expertise
Proven experience in AWS cost reduction projects
Deep knowledge of AWS pricing and optimization strategies
Ability to calculate and present ROI effectively
Communication and Presentation Skills
Strong technical writing and documentation ability
Able to explain complex technical topics to non-technical audiences
Knowledge-sharing and mentoring mindset
NICE TO HAVE:
Experience with Ceph/Proxmox
Familiarity with Prometheus, Grafana, or ELK Stack
Background in FinOps or cloud financial management
IDEAL CANDIDATE PROFILE:
You’ll thrive in this role if you:
Enjoy analyzing data and finding inefficiencies
Regularly use AI tools to enhance productivity
Work well independently and proactively
Have a strong cost-optimization mindset
You might not be a fit if you:
Prefer just executing tickets without exploring root causes
Require constant direction
Avoid or distrust AI tools
Feel uncomfortable working with budgets and cost management
BENEFITS:
Competitive salary package (Base salary and performance bonuses).
Probation period salary is 100% of the official salary.
Comprehensive health and accident insurance.
15 days of annual leave, 3 remote work days per month.
Provision of work equipment (Macbook/ Laptop, mouse, monitor, etc.).
A creative and modern working environment.
LOCATION: Galaxy Innovation Hub - D1 Street, High-Tech Park, Tang Nhon Phu Ward, HCMC