SERKAN GUMUS, Ph.d.
Irvine,CA
Summary
Dynamic Senior DevOps Engineer with a PhD in Mathematics and over 5+ years of experience in large-scale software development environments. Currently overseeing security and infrastructure hardening for more than 120,000 hosts at eBay, demonstrating a strong commitment to operational excellence. Proficient in Kubernetes orchestration (CKA, CKS certified), Infrastructure-as-Code (Terraform, Ansible), and end-to-end SDLC automation, showcasing a robust technical skill set. Recognized as a proven technical leader with expertise in complex problem-solving and decision making with fuzzy logic, ready to drive optimization efforts within NVIDIA's Global Testing Laboratory infrastructure.
Overview
23
23
years of professional experience
1
1
Certification
Work History
Senior DevSecOps Engineer
eBay
02.2022 - Current
- Large-Scale Infrastructure: Lead OS-based hardening and security compliance for 120,000 hosts and 120+ Kubernetes clusters.
- Technical Leadership: Partnered with cross-functional teams to migrate PSP to Kyverno PSA Controller across the entire enterprise cluster fleet.
- Automation (IaC): Created automated drift-check tools using Linux Bash and Kubernetes to remediate risky roles and ensure 24/7 systems health.
- Tool Evaluation & Implementation: Managed the enterprise-wide migration from Qualys to Tenable, and deployed WIZ Admission Controllers in multi-cloud environments.
DevOps & Cloud Engineer
Nioyatech
02.2021 - 02.2022
- Full SDLC Ownership: Designed and executed end-to-end CI/CD pipelines using Jenkins and Maven, managing DEV/QA/PROD environments.
- Infrastructure Setup: Provisioned and managed cloud infrastructure using Terraform and Ansible, ensuring high availability and performance.
AWS & DevOps Instructor
Clarusway
02.2020 - 02.2022
- Mentorship: Mentored 100+ students in DevOps/SRE methodologies, teaching AWS Solution Architect level services and infrastructure automation.
Researcher & Manager
Turkish Military Academy
05.2003 - 11.2016
- Analytical Leadership: Managed the Test and Evaluation Center, applying mathematical modeling to complex decision-making problems.
- Research: Published articles on Fuzzy Logic and Multi-Criteria Decision Making (MCDM)—skills directly applicable to AI/ML workload optimization.
Education
PhD - Mathematics
Gazi University
MS & BA - Mathematics
Gazi University
Visiting Scholar - Decision Making
University of Central Florida
Orlando, FL01-2013
Skills
- Infrastructure & Orchestration: Kubernetes (CKS/CKA), Helm, Kyverno, Docker, Terraform, Ansible, Salt
- Cloud & Networking: AWS (Expert), GCP, Azure, Multi-cloud Security, VPC, NAT, Security Groups
- SDLC & GitOps: Jenkins, GitLab-CI, Tekton, Maven, GitOps principles
- Programming: Python, Bash/Shell (Expert), Go (Familiar), SQL, Java, React
- Observability: Prometheus, Grafana, Splunk, CloudWatch, CloudTrail
Certification
- CKS (Certified Kubernetes Security Specialist - 2025)
- CKA (Certified Kubernetes Administrator - 2024)
- KCA (Kyverno Certified Associate - 2025)
- WIZ Foundations (2025)
- Prior Expired Certifications: AWS Solution Architech, Terraform, CKAD
Languages
English
Full Professional
Turkish
Native or Bilingual
LEADERSHIP & STRATEGIC IMPACT
- NATO Veterans Initiative (NAVI) | Head of IT & Marketing Department | 2025 – Present
- Manager of Evaluation and Measurement Center | Turkish Military Academy | 2015 - 2016
Timeline
Senior DevSecOps Engineer
eBay
02.2022 - Current
DevOps & Cloud Engineer
Nioyatech
02.2021 - 02.2022
AWS & DevOps Instructor
Clarusway
02.2020 - 02.2022
Researcher & Manager
Turkish Military Academy
05.2003 - 11.2016
MS & BA - Mathematics
Gazi University
PhD - Mathematics
Gazi University
Visiting Scholar - Decision Making
University of Central Florida