I am a results-driven SRE/DevOps Engineer with 7+ years of experience designing, automating, and maintaining highly available, scalable, and secure cloud infrastructure. I excel in CI/CD pipeline development, cloud-native architecture, infrastructure as code, and container orchestration. I thrive in collaborative environments, solving problems to improve reliability, reduce downtime, and streamline deployments.

Tina Marcus

I am a results-driven SRE/DevOps Engineer with 7+ years of experience designing, automating, and maintaining highly available, scalable, and secure cloud infrastructure. I excel in CI/CD pipeline development, cloud-native architecture, infrastructure as code, and container orchestration. I thrive in collaborative environments, solving problems to improve reliability, reduce downtime, and streamline deployments.

Available to hire

I am a results-driven SRE/DevOps Engineer with 7+ years of experience designing, automating, and maintaining highly available, scalable, and secure cloud infrastructure.

I excel in CI/CD pipeline development, cloud-native architecture, infrastructure as code, and container orchestration. I thrive in collaborative environments, solving problems to improve reliability, reduce downtime, and streamline deployments.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Romanian, Moldavian, Moldovan
Advanced

Work Experience

SRE/DevOps Engineer at Manulife / John Hancock
April 1, 2021 - November 12, 2025
Designed and managed AWS cloud infrastructure (VPC, EC2, S3, Lambda), reducing downtime by 30% and improving scalability for critical applications. Implemented end-to-end CI/CD pipelines with Jenkins, GitLab CI/CD, GitHub Actions, ArgoCD, and Terraform, accelerating deployment frequency by 40%. Orchestrated containerized apps using Kubernetes, Helm, EKS, and Istio, enabling high uptime and automated scaling for production workloads. Monitored health and performance with Prometheus, Grafana, CloudWatch, New Relic, Loki; resolved bottlenecks within SLA timelines. Automated tasks with Python, Bash, YAML, JavaScript, improving operational efficiency. Managed Git workflows with GitHub, Jira, Slack, Confluence; mentored juniors; enforced IAM, SSL/TLS, Secrets Management, Backups; led incident management and disaster recovery, improving RTO by 20%. Reduced recurring errors by 15% through mentoring; optimized cloud resource usage and cut costs by 15%.
DevOps Engineer at Genpact
March 1, 2021 - March 1, 2021
Provisioned and maintained Azure infrastructure (VNets, VMs, storage), ensuring 99% uptime. Built CI/CD pipelines with CircleCI, Spinnaker, Ansible, Chef, Puppet, reducing deployment errors by 30%. Containerized dev/stage environments using Docker, Swarm, OpenShift, Kubernetes, improving consistency across teams. Centralized monitoring/logging with ELK, Splunk, Nagios, DataDog, reducing MTTR by 25%. Automated operations with PowerShell, Go, Ruby, Groovy, boosting deployment efficiency. Coordinated collaboration with GitLab, Bitbucket, Trello, Teams, improving global team work. Applied Incident Management, Disaster Recovery, Vulnerability Assessment, reducing critical incidents by 20%. Demonstrated strong time management and troubleshooting skills, delivering multiple projects simultaneously on schedule.

Education

Bachelor of Science in Marine Engineering at Constanța Maritime University
December 1, 2013 - July 1, 2017

Qualifications

Microsoft Azure Fundamentals (AZ-900)
January 11, 2030 - November 12, 2025
AWS Certified Solutions Architect – Associate
January 11, 2030 - November 12, 2025
CKA – Certified Kubernetes Administrator
January 11, 2030 - November 12, 2025

Industry Experience

Software & Internet, Professional Services, Computers & Electronics