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Xiaofei (Stephen) Ren Email & Phone Number

Sr. Director of RD IT and Performance Analysis at Fortinet
Location: Sunnyvale, California, United States 13 work roles 3 schools
2 work emails found @fortinet.com 1 phone found area 408 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 1 phone

Work email s****@fortinet.com
Direct phone (408) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Sr. Director of RD IT and Performance Analysis
Location
Sunnyvale, California, United States
Company size

Who is Xiaofei (Stephen) Ren? Overview

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Quick answer

Xiaofei (Stephen) Ren is listed as Sr. Director of RD IT and Performance Analysis at Fortinet, a with 15487 employees, based in Sunnyvale, California, United States. AeroLeads shows a work email signal at fortinet.com, phone signal with area code 408, and a matched LinkedIn profile for Xiaofei (Stephen) Ren.

Xiaofei (Stephen) Ren previously worked as Sr. Director of Engineering at Fortinet and Director Of Engineering at Fortinet. Xiaofei (Stephen) Ren holds Bachelor Of Science - Bs, Dual Major Physics And Marine Science from Ocean University Of China.

Company email context

Email format at Fortinet

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*@fortinet.com
74% confidence

AeroLeads found 2 current-domain work email signals for Xiaofei (Stephen) Ren. Compare company email patterns before reaching out.

Profile bio

About Xiaofei (Stephen) Ren

Stephen Ren offers deep and broad technical experience and expertise spanning all aspects of carrier and enterprise network, and virtually unsurpassed internetworking frame of reference that includes Hexa active CCIE designation held by barely 30 other individuals in the entire world. He is certified as Cisco CCIE #13946 of routing & switching, service provider, security, datacenter, collaboration and wireless track, CCDE written, Fortinet Network Security Expert 8, CISSP #650033, PMP #2146684, ITIL v3 foundation, AWS Certified solution architect associate,Sysops administrator associate, advanced networking and security specialty,google cloud certified professional cloud architect,associate cloud engineer and professional cloud network engineer,Microsoft certified Azure solution architect expert,Azure administrator and network engineer,VMware VCP DCV&NV, Palo Alto PCNSE, Certified Datacenter Designer(CDCD), Cisco DevNet professional and DevOps specialist,Aviatrix Certified Multi-Cloud networking associate #12191,Cisco Sales Expert,Cisco Certified Design Specialist, CCNP, CCNA, JNCIA, CNA, MCSE and MCDBA to mention but a few.Two times Fortinet Champion,now leading a QA team,a DevOps(CM) team and a SRE team at Fortinet Sunnyvale HQ.He joined many programs including Executive leadership program in Cornell University with many certifications in different IT programs,DIY MBA.His area of expertise includes network security, cyber security, information system security, security architect, high-end routing and network design, MPLS, voice, datacenter, fixed network,NGN,3G,IMS, GPRS, SDN,SD-WAN, wireless, storage, DevOps, virtualization, Linux. He has played many significant roles in building businesses, in terms of network deployment, technical & sales support, network planning, SRE,DevOPS and R&D QA testing.Stephen is a highly experienced senior consultant with provable records of working on a wide variety of products and technologies in complex environments and supporting different industries. He has successfully handled projects including large carrier network design and strategic enterprise network design. Stephen has supported and helped implement network architectures for major carriers in many countries. He is committed to sharing knowledge and solving technical problems in his field, as a senior instructor, he has taught bearer network and NGN equipment to Huawei staff internationally. He also taught hundreds of network engineers attending Cisco Certified courses.

Listed skills include Security, Data Center, Pix, Cisco Call Manager, and 45 others.

Current workplace

Xiaofei (Stephen) Ren's current company

Company context helps verify the profile and gives searchers a useful next step.

Fortinet
Fortinet
Sr. Director of RD IT and Performance Analysis
Sunnyvale, CA, US
Website
Employees
15487
AeroLeads page
13 roles

Xiaofei (Stephen) Ren work experience

A career timeline built from the work history available for this profile.

Sr. Director Of Rd It And Performance Analysis

Sunnyvale, Ca, Us

Sr. Director Of Engineering

Current

Sunnyvale, Ca, Us

Jan 2023 - Present

Director Of Engineering

Sunnyvale, Ca, Us

Lead of engineering, CM and QA team of 20+ engineers at Fortinet Sunnyvale HQ.-- HQ engineering* Lead an engineering team of eight engineers,responsible for cloud service management,datacenter building and R&D IT administration.

Jan 2020 - Jan 2023

Director Software Dev Qa & Devops

Sunnyvale, Ca, Us

-- CM team* Lead HQ CM team of eight engineers, responsible for Fortinet Source Code management with Git/Gerrit for all 40+ product lines in Fortinet HQ and other regions of UK,India,China and Israel, manage images/builds of product lines.

Feb 2019 - Jan 2020

Sr. Manager Software Dev Qa

Sunnyvale, Ca, Us

-- QA team* Lead a QA team of seven engineers, responsible for IPS Dev QA test, NSS labs/Cyberratings third party lab test on Fortinet products, high end Fortigate benchmark test/dev QA test, high end Fortigate customer case handling, NPI product test, Carrier Grade Nat(CGN) product Dev QA and release QA test, Application control/device identification and vehicle mounted Firewall test, test automation

Jun 2017 - Jan 2019

Manager Software Dev Qa

Sunnyvale, Ca, Us

Jan 2016 - May 2017

Team Lead Software Dev Qa

Sunnyvale, Ca, Us

Oct 2014 - Jan 2016

Qa Engineer Iii

Sunnyvale, Ca, Us

Oct 2012 - Oct 2014

Tac Engineer/Sr. Principle Qa Engineer

Sunnyvale, Ca, Us

* Responsible for the handling of customer technical issues in Fortinet China TAC call center.* Oversaw onsite deployment of Fortigate firewall for Fujian Mobile and Hebei Mobile (Mobile Carrier)

Apr 2012 - Oct 2012

Senior Network Planning Consultant

Espoo, Southern Finland, Fi

Designed datacenter backbone network for many SP carriers.

Aug 2006 - Apr 2012

System Engineer

Cvic Software Engineering Co., Ltd.(Cisco Partner)
Jul 2002 - Oct 2004

Senior Cisco Instructor

Jinan, Shandong, Cn

CCNA,CCNP instructor.

Mar 2003 - Mar 2004
Team & coworkers

Colleagues at Fortinet

Other employees you can reach at fortinet.com. View company contacts for 15487 employees →

3 education records

Xiaofei (Stephen) Ren education

Bachelor Of Science - Bs, Dual Major Physics And Marine Science

Ocean University Of China

Executive Leadership Program

Cornell University Executive Leadership Program

Executive Leadership Program

Cornell University
FAQ

Frequently asked questions about Xiaofei (Stephen) Ren

Quick answers generated from the profile data available on this page.

What company does Xiaofei (Stephen) Ren work for?

Xiaofei (Stephen) Ren works for Fortinet.

What is Xiaofei (Stephen) Ren's role at Fortinet?

Xiaofei (Stephen) Ren is listed as Sr. Director of RD IT and Performance Analysis at Fortinet.

What is Xiaofei (Stephen) Ren's email address?

AeroLeads has found 2 work email signals at @fortinet.com for Xiaofei (Stephen) Ren at Fortinet.

What is Xiaofei (Stephen) Ren's phone number?

AeroLeads has found 1 phone signal(s) with area code 408 for Xiaofei (Stephen) Ren at Fortinet.

Where is Xiaofei (Stephen) Ren based?

Xiaofei (Stephen) Ren is based in Sunnyvale, California, United States while working with Fortinet.

What companies has Xiaofei (Stephen) Ren worked for?

Xiaofei (Stephen) Ren has worked for Fortinet, Nokia Siemens Networks, Huawei Technologies, Cvic Software Engineering Co., Ltd.(Cisco Partner), and Hiteam.

Who are Xiaofei (Stephen) Ren's colleagues at Fortinet?

Xiaofei (Stephen) Ren's colleagues at Fortinet include Charlie Mcinerney, Mourad El Aroui, Renato Reinoso Rodriguez, Ernesto Noblecilla, and Onur Orhan Akyol.

How can I contact Xiaofei (Stephen) Ren?

You can use AeroLeads to view verified contact signals for Xiaofei (Stephen) Ren at Fortinet, including work email, phone, and LinkedIn data when available.

What schools did Xiaofei (Stephen) Ren attend?

Xiaofei (Stephen) Ren holds Bachelor Of Science - Bs, Dual Major Physics And Marine Science from Ocean University Of China.

What skills is Xiaofei (Stephen) Ren known for?

Xiaofei (Stephen) Ren is listed with skills including Security, Data Center, Pix, Cisco Call Manager, Asa, Iad, Qos, and Ip.

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