Network Engineer with over 15 years of experience across several IT domains and AWS cloud knowledge. Background in network automation, cloud infrastructure, Kubernetes, CI/CD pipelines, and Linux systems. Over the last four years, I have also worked as a Quantitative Researcher (Freelance), designing and operating automated trading systems on AWS with a focus on risk management.

Giovanni Tammaro

Network Engineer with over 15 years of experience across several IT domains and AWS cloud knowledge. Background in network automation, cloud infrastructure, Kubernetes, CI/CD pipelines, and Linux systems. Over the last four years, I have also worked as a Quantitative Researcher (Freelance), designing and operating automated trading systems on AWS with a focus on risk management.

Available to hire

Network Engineer with over 15 years of experience across several IT domains and AWS cloud knowledge. Background in network automation, cloud infrastructure, Kubernetes, CI/CD pipelines, and Linux systems.
Over the last four years, I have also worked as a Quantitative Researcher (Freelance), designing and operating automated trading systems on AWS with a focus on risk management.

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Experience Level

Expert
Expert
Expert
Expert

Language

Italian
Fluent
English
Fluent
Spanish; Castilian
Intermediate
French
Intermediate
Portuguese
Intermediate

Work Experience

AWS Cloud Engineer - Independent Projects Freelance at Independent Projects Freelance
January 1, 2024 - Present
Designed and operated cloud-native workloads on AWS with cost optimization and observability. Implemented security controls including GuardDuty, AWS Config, Inspector, IAM Access Analyzer, SG/NACL segmentation. Operated EKS clusters with RBAC, Pod Security, NetworkPolicies, and workload isolation. Built CI/CD pipelines using Jenkins and AWS CodePipeline for automated testing and deployments. Implemented RAG pipelines using AWS Bedrock, embeddings, and vector search.
Algorithmic Trader / Quantitative Researcher (Freelance) at Self-Employed
January 1, 2022 - Present
Designed and operated automated trading systems on AWS (EC2, Lambda, S3) using Python. Built data ingestion pipelines using WebSocket APIs for real-time market data collection and analysis. Implemented automated risk frameworks including drawdown constraints and position monitoring.
Network Automation Engineer at Fiserv
August 1, 2021 - December 1, 2021
Refactored Django backends and JavaScript frontends, improving performance. Reduced page load times by 40-60%, PostgreSQL CPU usage by ~30%, API response times to below 200 ms. Converted tribal knowledge into structured documentation.
Network Development Engineer II at Amazon Web Services (AWS)
April 1, 2017 - August 1, 2021
Built automation and internal tooling for Amazon's global datacenter network, reducing manual operations. Built a Load Balancer provisioning automation system with React frontend and Python backend. Designed and delivered a zero-touch pre-provisioning platform (Python, EC2, S3) for L7 hardware deployments. Optimized internal dashboards by rewriting ingestion logic to multithreaded processing, increasing throughput by ~40%. Mentored junior engineers and collaborated with senior leadership on cross-team initiatives.
Network Deployment Engineer I at Amazon Web Services (AWS)
August 1, 2015 - April 1, 2017
Delivered projects under the Aggregation Scaling & Deployment (ASD) program. Created deployment templates enabling spine scaling, increasing datacenter network capacity by ~30%. Executed multi-region deployments, improving consistency and availability.
Network & Systems Engineer at Parker Hannifin
April 1, 2004 - July 1, 2015
Led datacenter consolidation and Active Directory migrations across EU and UK sites, reducing authentication latency by 40%. Delivered virtualization initiatives using VMware, reducing workstation provisioning time from 40 min to under 5 min. Executed network refresh projects, improving bandwidth efficiency by ~30%. Presented technical results to C-level executives; recognized through company Talent Program.
Security Consultant at Freelance
January 1, 2002 - April 1, 2004
Implemented and optimized Trend Micro security solutions, IDS/IPS, and endpoint protection. Managed incident response workflows and integrated security platforms within on-prem networks. Supported security audits and compliance initiatives.

Education

Add your educational history here.

Qualifications

AWS Certified Solutions Architect - Associate
January 11, 2030 - January 17, 2026
AWS Knowledge Badge: Amazon EKS
January 11, 2030 - January 17, 2026
Cisco Certified Network Professional (CCNP)
January 11, 2030 - January 17, 2026

Industry Experience

Software & Internet, Professional Services, Telecommunications