Sr. Systems Engineer - Infrastructure
Current
Jul 2022 - Present
AeroLeads people directory · profile
Mark Foster Email & Phone Number
Sr. Systems Engineer at ExtraHop Networks
at
ExtraHop
2 work emails found
@extrahop.com
3 phones found area 206 and 877
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
Sr. Systems Engineer at ExtraHop Networks
Location
Seattle, Washington, United States
Company size
Who is Mark Foster? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Mark Foster is listed as Sr. Systems Engineer at ExtraHop Networks at ExtraHop, a with 201 employees, based in Seattle, Washington, United States. AeroLeads shows a work email signal at extrahop.com, phone signal with area code 206, 877, and a matched LinkedIn profile for Mark Foster.
Mark Foster previously worked as Sr. Systems Engineer - Infrastructure at Extrahop and Sr. IT Security Engineer at Extrahop. Mark Foster holds Certificate, Digital Forensics from University Of Washington.
Company email context
Email format at ExtraHop
This section adds company-level context without repeating Mark Foster's masked contact details.
mfoster@extrahop.com
82% confidence
AeroLeads found 2 current-domain work email signals for Mark Foster. Compare company email patterns before reaching out.
Profile bio
About Mark Foster
30+ years in computer operating systems mostly Linux/UNIX, all kinds of servers / hardware, open source, coding, TCP/IP networks, databases, file systems, backups, security, firewalls, digital forensics and blockchain. My side projects include running blockchain nodes, mining, FreeBSD ports maintenance, Free Geek Seattle, Greater Seattle Linux Users Group (GSLUG) and Seattle BSD Users Group (SeaBUG).My certifications include CompTIA Advanced Security Practitioner (CASP+), Digital Forensics, CISSP and Technical Illustration.You can find out more from my Resume (http://mark.foster.cc/resume.pdf)
Listed skills include Linux, Dns, Unix, Perl, and 30 others.
Current workplace
Mark Foster's current company
Company context helps verify the profile and gives searchers a useful next step.
Extrahop
13 roles · 29 years
Mark Foster work experience
A career timeline built from the work history available for this profile.
Sr. It Security Engineer
Areas of focus: DevOps, Cloud, Network, Security, Systems and Infrastructure.Primarily responsible for LDAP, DNS, VPN, Firewalls, Network, Git, Ansible, Monitoring and Backups.ExtraHop is hiring! Come join the global leader in real-time wire data analytics. We are a fast-growing company with big name-brand customers you know and use daily. We are passionate about building products that our customers enjoy using and provide tremendous business value. Our culture is grounded in curiosity, excellence, and fun. If you want to love where you work, enjoy your teammates, and deliver high quality results that improve the way business gets done, let me know. I would love to hear from you. https://www.extrahop.com/company/careers/
Nov 2014 - Jul 2022
Ports Maintainer
CurrentMaintainer for FreeBSD ports (software) including dnstop, xca, firefly. Frequent bug reporter. I have run numerous FreeBSD servers since 2000.
Jul 2005 - Present
Recovery Team Engineer
Tier III (escalation) support for the full line of Isilon NAS scale-out storage clusters.My team (Recovery) tackles the most urgent SEV1 cases (aka worst case scenarios) involving data loss or unavailablity. My expertise includes NFS, LDAP, AD, NIS, DNS, FTP, TCP/IP and Unix/Linux.Prior to joining Recovery team I was Coach for the Unix Protocols team, where I mentored 30+ support engineers across the globe.
Dec 2011 - Nov 2014
Sr Systems Engineer
I setup and maintained monitoring systems (nagios, cacti, munin, ganglia, zabbix), directory & mgmt services (DNS, LDAP, Puppet, Chef), perform DBA functions (MySQL) application profiling and performance benchmarks. Provided consulting & expertise to clients regarding all facets of technology.
Feb 2008 - Dec 2011
Linux Server Engineer
Managed numerous physical and virtual Linux servers, HP-UX and VMware vSphere platforms. Primary responsibilities included DNS, Web & J2EE application infrastructure along with instant messaging, MySQL, CVS, FTP and Samba.
Dec 2004 - Feb 2008
Organizer
Seattle Bsd Users Group (Seabug)
Coordination and planning of Seattle BSD users group meetings, which included 2 presentations, maintenance of http://www.seabug.org/ website and mailing list administration.
Jan 2004 - Dec 2005
System Engineer
Primary responsible for various country-code top level domains (ccTLDs) such as .cc, .tv, .cx and .sr. Fluent in RRP and EPP protocols, registrar and registry operations. DNS of course!
Oct 2001 - Dec 2004
System Administrator
Enic
Domain names - .cc
Sep 2000 - Oct 2001
Lead Engineer
Altrec.Com
1998 - 2000
~2 yrs
System Administrator
Welland
May 1998 - Sep 1998
May 1995 - May 1998
Cad Drafter & Technical Illustrator
Drafting on board, CATIATechnical Illustration of maintenance manuals (CMM mostly) using Bogart
Jan 1992 - May 1995
Team & coworkers
Colleagues at ExtraHop
Other employees you can reach at extrahop.com. View company contacts for 201 employees →
TC
Thomas C.
Colleague at ExtrahopSan Francisco, California, United States
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AM
Angeli Milla
Colleague at ExtrahopUnited States
View →
SR
Sai Rakshith Potluri
Colleague at ExtrahopSeattle, Washington, United States
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DC
Doug Clifford
Colleague at ExtrahopDenver Metropolitan Area, United States
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KS
Kurt Skowronek
Colleague at ExtrahopFurlong, Pennsylvania, United States
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AK
Aleah K.
Colleague at ExtrahopSeattle, Washington, United States
View →
LY
Leoben Yu
Colleague at ExtrahopSingapore
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CT
Corrine Taylor
Colleague at ExtrahopGreater Boston, United States
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SO
Staffan Olsén
Colleague at ExtrahopBorlänge, Dalarna County, Sweden
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MC
Mariagrazia Cenerelli
Colleague at ExtrahopUnited States
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Thomas C.
Colleague at ExtrahopSan Francisco, California, United States
View →
AM
Angeli Milla
Colleague at ExtrahopUnited States
View →
SR
Sai Rakshith Potluri
Colleague at ExtrahopSeattle, Washington, United States
View →
DC
Doug Clifford
Colleague at ExtrahopDenver Metropolitan Area, United States
View →
KS
Kurt Skowronek
Colleague at ExtrahopFurlong, Pennsylvania, United States
View →
AK
Aleah K.
Colleague at ExtrahopSeattle, Washington, United States
View →
LY
Leoben Yu
Colleague at ExtrahopSingapore
View →
CT
Corrine Taylor
Colleague at ExtrahopGreater Boston, United States
View →
SO
Staffan Olsén
Colleague at ExtrahopBorlänge, Dalarna County, Sweden
View →
MC
Mariagrazia Cenerelli
Colleague at ExtrahopUnited States
View →
4 education records
Mark Foster education
Certificate, Digital Forensics
University Of Washington
Aa Degree, Math, Physics, Computer Programming
North Seattle College
Certificate, Drafting, Cad & Technical Illustration
Lake Washington Technical College
Certified Advanced Security Practioner
Comptia
FAQ
Frequently asked questions about Mark Foster
Quick answers generated from the profile data available on this page.
What company does Mark Foster work for?
Mark Foster works for ExtraHop.
What is Mark Foster's role at ExtraHop?
Mark Foster is listed as Sr. Systems Engineer at ExtraHop Networks at ExtraHop.
What is Mark Foster's email address?
AeroLeads has found 2 work email signals at @extrahop.com for Mark Foster at ExtraHop.
What is Mark Foster's phone number?
AeroLeads has found 3 phone signal(s) with area code 206, 877 for Mark Foster at ExtraHop.
Where is Mark Foster based?
Mark Foster is based in Seattle, Washington, United States while working with ExtraHop.
What companies has Mark Foster worked for?
Mark Foster has worked for Extrahop, Freebsd, Dell/Emc Isilon, Bitpusher, and Port Of Seattle.
Who are Mark Foster's colleagues at ExtraHop?
Mark Foster's colleagues at ExtraHop include Thomas C., Angeli Milla, Sai Rakshith Potluri, Doug Clifford, and Kurt Skowronek.
How can I contact Mark Foster?
You can use AeroLeads to view verified contact signals for Mark Foster at ExtraHop, including work email, phone, and LinkedIn data when available.
What schools did Mark Foster attend?
Mark Foster holds Certificate, Digital Forensics from University Of Washington.
What skills is Mark Foster known for?
Mark Foster is listed with skills including Linux, Dns, Unix, Perl, Virtualization, Tcp/Ip, Apache, and System Administration.
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