Leo Chan
Infrastructure Engineer
Boston,Massachusetts
Summary
Results-driven infrastructure engineer with over 10 in Infrastructure and 5 years in network automation. Proven track record of managing and optimizing global infrastructure for leading organizations. Adept at implementing automation solutions to streamline operations, enhance efficiency, and minimize downtime.
Overview
17
17
years of professional experience
8
8
years of post-secondary education
5
5
Certifications
Work History
Senior Systems & Network Engineer
Breckinridge Capital Advisor
Boston, MA
4 2024 - Current
- Maintain Breckinridge network, security infrastructure and business systems.
- Lead initiatives of internet edge redesign and cloud computing migration.
- Implement firewall rules and access controls with Palo Alto and Illumio to ensure network security and integrity
Consultant
Hyde Square Task Force
02.2008 - Current
- Provide consulting services including assessment, design and implementation
- Migrate Cisco to Unifi wireless infrastructure to improve user experience and 6x cost saving
- Implement two factor SSL VPN and WLAN with 802.1x/RADIUS to increase security posture.
Cloud Infrastructure Network Engineer
Rakuten
Boston, MA
10.2017 - 03.2024
- Lead Splunk to Azure Elastic Cloud migration effort to improve visibility in logging and firewall telemetry
- Establish standardized change control procedures by automating workflow using Terraform, Jenkins, and Ansible.
- Design anycast syslog to improve the availability of logging services
- Build out Openstack and Rakuten OneCloud compute environments to meet the needs of internal teams
- Work closely with department leaders to achieve a successful migration of GitHub servers from on-premises to cloud, resulting in a 20% cost reduction
- Tier 2 on-call support for Rakuten's global infrastructure and MPLS backbone to ensure seamless operational excellence
- Operate and improve lifecycle management on Cumulus, Junos and NXOS with minimum customer downtime.
Linux Systems Engineer
Wayfair
02.2016 - 09.2017
- Setup metrics for 5000+ servers/equipments with Zabbix, Statsd, Graphite and Grafana
- Collect performance metrics with python, bash and powershell for alerting and debugging
- Deploy systems update with git and puppet
- Work with infrastructure teams to identify and develop KPIs to gauge application performance.
Systems Engineer
Brown Brothers Harriman
09.2008 - 02.2016
- Support 2000+ Linux/ Windows hosts, 250+ hypervisors, 800+ virtual desktop infrastructure in a multi- site production environment
- Implement Splunk, WhatsUp Gold and ITRS Geneos for server and application monitoring
- Automate routine tasks and reports with Bash, Perl and Powershell
- Project planning and implementation in Splunk, VMware ESX / vCenter, Windows clustered file server and Thomson Reuters Enterprise Platform (Distributed real-time market data platform).
Education
Master of Science, Network Security Practices, Computer System Security, Information System Forensics - Information Assurance
Northeastern University
01.2010 - 05.2013
Bachelor of Science in Business Administration - Double major in MIS and Finance
Suffolk University - Sawyer Business School
01.2004 - 05.2008
Skills
Language: Perl, Python, Powershell
Protocol: BGP, OSPF, Anycast
Data Plane: VRF, MPLS, VXLAN
Certification: JNCIP-SP, JNCIP-ENT, RHCE
Certification
The Data Scientist’s Toolbox - Coursera Course Certificates
Timeline
Cloud Infrastructure Network Engineer
Rakuten
10.2017 - 03.2024
Linux Systems Engineer
Wayfair
02.2016 - 09.2017
Master of Science, Network Security Practices, Computer System Security, Information System Forensics - Information Assurance
Northeastern University
01.2010 - 05.2013
Systems Engineer
Brown Brothers Harriman
09.2008 - 02.2016
Consultant
Hyde Square Task Force
02.2008 - Current
Bachelor of Science in Business Administration - Double major in MIS and Finance
Suffolk University - Sawyer Business School
01.2004 - 05.2008
Senior Systems & Network Engineer
Breckinridge Capital Advisor
4 2024 - Current
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