Senior DevOps Engineer (SRE/Platform Engineer)

Job Description

Our HCM is an enterprise HR SaaS platform currently in active operation and continuous expansion. The system covers Core HR, Attendance, Payroll, Advance HR, Employee Self-Service (ESS), HR Development, Workflow Automation, System Integrations, and Custom Modules for Enterprise Clients.

The Senior DevOps Engineer will lead and optimize DevOps practices for Humanica’s HR SaaS platform, managing CI/CD pipelines (Jenkins, GitLab CI/CD, ArgoCD), implementing GitOps workflows, and automating infrastructure using Terraform and Ansible. The role includes designing and executing modern deployment strategies such as blue-green and canary releases, managing Kubernetes environments, and enforcing Infrastructure as Code (IaC), deployment standards, runbooks, and rollback procedures. This position will integrate automated testing and quality gates into pipelines, monitor deployment health through the observability stack, lead incident response for infrastructure issues, mentor team members, and continuously improve deployment velocity, reliability, and cost efficiency.

Key Responsibilities

Manage and optimize CI/CD pipelines (Jenkins, GitLab CI/CD, ArgoCD)

Implement GitOps workflows and deployment automation

Automate infrastructure provisioning with Terraform and Ansible

Design and implement deployment strategies (blue-green, canary)

Manage Kubernetes deployments, services, and configurations

Establish deployment standards, runbooks, and rollback procedures

Build automated testing and quality gates in CI/CD pipeline

Implement infrastructure as code (IaC) for all infrastructure

Monitor deployment health and integrate with observability stack

Lead incident response for deployment and infrastructure issues

Mentor DevOps team members and establish best practices

Optimize deployment velocity, reliability, and cost

Your Profile

Experience

5+ years DevOps or infrastructure automation experience

Expert in CI/CD tools (Jenkins, GitLab CI, GitHub Actions)

Strong Kubernetes experience (deployments, services, ingress, helm)

Infrastructure as Code (Terraform, Ansible)

GitOps practices and ArgoCD

Scripting and automation (Bash, Python, Go)

Cloud platforms (AWS, Huawei Cloud)

Monitoring and observability (Prometheus, Grafana)

Strong troubleshooting and problem-solving skills

Team collaboration and mentorship capabilities

Preferred:

Multi-cloud deployment experience

Container security and image scanning

Kubernetes operators and custom resources

FinOps and cost optimization

SRE practices and reliability engineering

Certifications: CKA, CKAD, AWS/Cloud certifications

Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or related field

Master's degree is a plus

Working Hours: Flexible with some after-hours work for deployments and maintenance

Location: On-site only

Language

Able to communicate in English in a professional working environment (reading technical documents, participating in discussions with international team members)

We offer

An inspiring work environment.

Competitive salary packages with annual reviews and adjustments.

Opportunities for training, education, and professional growth.

A knowledge-sharing atmosphere with enthusiastic professionals.

Company activities, team events, and social gatherings.

Opportunity to become a Vietnam HR domain expert within a global organization.