Senior Platform Engineer
Testlify, Inc.
- Aurora, Colorado, United States
- Aurora, Colorado, United States
About
Key Responsibilities
Lead and architect the complete migration strategy for GitLab and Helm infrastructure from on‑premises to GitLab Cloud
Design and implement robust CI/CD pipeline architectures optimized for GitLab Cloud execution
Establish GitLab Runner infrastructure with autoscaling capabilities and cost optimization
Architect and maintain Kubernetes cluster management using Rancher
Design and optimize web application infrastructure including:
HTTP/HTTPS protocols, load balancers, and reverse proxies
SQL database performance tuning and high availability configurations
WAF implementation and security policies (Fastly or equivalent)
Caching strategies using CDN providers (Fastly preferred)
Drive comprehensive observability strategy using Loki & Grafana for metrics, logs, and distributed tracing
Implement security best practices including WAF rules, DDoS protection, and access controls
Establish infrastructure as code practices and disaster recovery procedures
Conduct capacity planning and performance optimization for build/deploy infrastructure and application layer
Required Skills
4-5+ years of experience in DevOps, Platform Engineering, or Site‑Reliability Engineering.
Experience with setting up & maintaining on‑prem Kubernetes environment is a must.
Expert‑level Linux systems administration and troubleshooting with RHEL and/or SLES
Advanced knowledge of systemd, SELinux/AppArmor
Performance tuning and kernel parameter optimization
Storage management (LVM, filesystems)
Network configuration and troubleshooting
Deep expertise in GitLab administration including:
GitLab migration tools and procedures
GitLab API for automation
Runner configuration and optimization
GitLab Cloud (SaaS) architecture and limitations
Advanced Kubernetes knowledge with production experience managing multiple clusters
Production experience with Rancher for Kubernetes orchestration and management
Deep understanding of HTTP/HTTPS protocols, TLS/SSL, and web security
Advanced SQL database administration (MySQL, PostgreSQL) including replication, backup/recovery
WAF configuration and management (Fastly WAF experience highly preferred)
Caching provider expertise (Fastly, Cloudflare, or Akamai) for performance optimization
Strong proficiency in GoLang, Python, and Bash for building tools and automation
Observability expertise with Loki & Grafana:
Log aggregation and analysis with Loki
Dashboard creation and alerting with Grafana
Metrics collection and visualization
Extensive AWS administration experience including:
Compute: EC2, EKS, Auto Scaling
Storage: S3, EBS, EFS
Database: RDS, Aurora
Network: VPC, Route53, CloudFront, ALB/NLB
Security: IAM, Security Groups, KMS, Secrets Manager
Proven track record of successful large‑scale cloud migration projects
Primary Focus Areas
GitLab Cloud Migration – Moving repositories, CI/CD pipelines, Helm charts, and container registries
Build & Deploy Pipelines – Optimizing GitLab CI/CD and Helm deployments for cloud execution
Web Application Infrastructure – Managing HTTP protocols, SQL databases, WAF (Fastly), and caching layers
Kubernetes & Rancher – Container orchestration and cluster management
Observability – Implementing Loki & Grafana for comprehensive monitoring and logging
AWS Administration – Cloud infrastructure management and optimization
Work hours EST working hours required (9:00 AM – 5:00 PM EST)
Flexible Working Style
Diversity and Inclusion
Learn And Grow
Balanced Working Life
Health Insurance
Testlify is deeply committed to creating a workplace and global community where inclusion is not only valued but prioritized. We’re proud to be an equal‑opportunity employer, seeking to create a welcoming and diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity or expression, family status, marital status, sexual orientation, national origin, genetics, neurodiversity, disability, age, or any other non‑merit‑based or legally protected grounds.
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Languages
- English
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