Lead Systems Architect
Current
Nov 2017 - Present
AeroLeads people directory · profile
David Seira Email & Phone Number
Lead Systems Architect at Stackscale
at
Stackscale
1 work email found
@stackscale.com
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Lead Systems Architect at Stackscale
Location
Greater Alicante Area, Spain
Company size
Who is David Seira? Overview
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Quick answer
David Seira is listed as Lead Systems Architect at Stackscale at Stackscale, a with 11 employees, based in Greater Alicante Area, Spain. AeroLeads shows a work email signal at stackscale.com and a matched LinkedIn profile for David Seira.
David Seira previously worked as Lead Systems Architect at Stackscale and Systems Engineer at Stackscale B.V.. David Seira holds Master, Master Degree In Computers Network Administration from Universitat D'Alacant.
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Email format at Stackscale
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{first}.{last}@stackscale.com
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Profile bio
About David Seira
System Engineer with more than 10 years of experience on Linux/Solaris systems administration, networking and monitoring infrastructures and network services management. Programming with C, Python and Shell Scripting. Collaboration in several R&D Projects. Self-taught and proactive person.
Listed skills include Linux, Nagios, Network Administration, Freeradius, and 37 others.
Current workplace
David Seira's current company
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Stackscale
4 roles
David Seira work experience
A career timeline built from the work history available for this profile.
Systems Engineer
Deploy virtualized environment with VMware vSphere. Linux server advanced management for DNS (PowerDNS), TFTP, FTP, DHCP, Git. VPNs configuration with OpenVPN and L2TP/IPSec. Firewall configuration with IPTables and PF. Centralized user management system with LDAP+TLS and Freeradius. High availability storage servers with OmniOS, ZFS, NFS, Crossbow and iSCSI. Redundant monitoring system with Nagios and Cacti, developing plugins with Python. Centralized logs system with Rsyslog, Logstash, ElasticSearch, Redis and MongoDB. Linux/OmniOS performance analysis. MySQL databases with high availability with Percona XtraDB Cluster and HAProxy.High availability websites with haproxy, varnish, nginx, php-fpm and mysql.Configurations management with saltstack.Development of tools with Python and Bash. Version control with Git.
Mar 2013 - Nov 2017
Systems Engineer
Design and implementation of multiservice networks. Configuration of several network equipment including radio-link and Alvarion base stations, Cisco, Enterasys, Allied-Telesis, RubyTech switches, Allot bandwidth control, Comms Mundi, Freeradius, Tropos, Moxa, Fortinet, Nomadix, Aruba, Xirrus. Configuration of LAN-to-LAN, L2TP, PPTP VPNs with Fortigate, OpenVPN and Comms Mundi.Installation, configuration and management of Linux (Debian, CentOS), Windows 2008 Server and pfSense servers. Implementing monitorization systems with Nagios, LogAnalyzer, PNP4Nagios, MRTG, AlvariStar, StarACS and Tropos Control. OTRS ticketing system. Configuration of serveral network services like DNS, DHCP, FTP/TFTP, NTP, Apache. Advanced Linux configuration; kernel tunning, LVM configuration, init process, iptables, routing, ifenslave, RAID, PXE. High availability with Heartbeat and DRBD. Load balancing with HAProxy and LVS. Advanced authentication system with Freeradius and MySQL. Virtualization with KVM. Database management system with MySQL, MySQL Replication and MySQL Cluster. Captive Portal with Coova Chilli, Freeradius and Apache. Centralized logs server with Rsyslog and LogAnalyzer. Version control server with Git. Mail Server with PostFix. Configuration of a documents management system with OpenKM. Control bugs server with Bugzilla.Linux development for embedded environments; routerboard, Alix and Raspberry Pi boards. Installation of OpenWRT, Debian Voyage, Monowall, pfSense and Alpine Linux systems.Programming several website with PHP, Javascript/JQuery, HTML and MySQL. Programming several tools with Python, C/C++ and Perl. Development of several automatization script with Bash, Perl and Python.
Oct 2010 - Mar 2013
R&D Engineer
Development of several R&D projects:· DLA project: DLA-Bus vending machine interconnection through serial port for bus travel data acquisition. Madwifi and Ath5k drivers modification for above purpose. OpenWRT firmware adapt for the RB411 routerboard.· IRIDIUM project: Debian Linux installation and configuration for the Industrial PC ARK4153 with his differents stackable modules. 3G modem MTX-H25+ configuration for the above arquitecture. Development of the Low-level libraries for wifi and 3G connection/disconnection.Development of several system administration software:· Nagios: Responsible for Nagios monitoring system installation and configuration. Development the automation script for installation and configuration the same. Development of several plugins written in BASH and C for different equipment (Dragonwave, Alvarion, Enterasys, Zyxel,...). Integration with the graphics system PNP4Nagios and MRTG. Development the backup script.· Freeradius: Installation and configuration the Freeradius server. Integration the Freeradius server with Mysql database. Configuration the MAC authentication.· Captive Portal: Configuration of Nomadix AG-3100 and AG-5500 captive portals. Integration of the same with Freeradius Server and Apache Server. Configuration of Coova-Chilli, WifiDog, PFsense and Monowall open source captive portals.· Comms Mundi: Installation and configuration of the Comms Mundi management centralized network system property of Wireless Mundi. Captive portal, VPN, firewall, QoS, Mysql, Radius, proxy-web, proxy-smtp and others network services. Testing and resolution of several bugs in the system.· Syslog: Installation and configuration of a centralized network logs server. Configuration the Rsyslog and Syslog-ng and the PhpLogCon/LogAnalyzer and Php-Syslog-ng web interfaces.· 3G Raven XE Modem: Configuration of the 3G Raven XE modem property of Sierra Wireless.
Aug 2009 - Sep 2010
Team & coworkers
Colleagues at Stackscale
Other employees you can reach at stackscale.com. View company contacts for 11 employees →
2 education records
David Seira education
Master, Master Degree In Computers Network Administration
Degree In Computer Science
FAQ
Frequently asked questions about David Seira
Quick answers generated from the profile data available on this page.
What company does David Seira work for?
David Seira works for Stackscale.
What is David Seira's role at Stackscale?
David Seira is listed as Lead Systems Architect at Stackscale at Stackscale.
What is David Seira's email address?
AeroLeads has found 1 work email signal at @stackscale.com for David Seira at Stackscale.
Where is David Seira based?
David Seira is based in Greater Alicante Area, Spain while working with Stackscale.
What companies has David Seira worked for?
David Seira has worked for Stackscale, Stackscale B.V., Mediterranea De Tecnologias S.L., and Neomedia Wireless.
Who are David Seira's colleagues at Stackscale?
David Seira's colleagues at Stackscale include Carlos Roda Pérez, Jose Miguel Balboa, and David Sánchez.
How can I contact David Seira?
You can use AeroLeads to view verified contact signals for David Seira at Stackscale, including work email, phone, and LinkedIn data when available.
What schools did David Seira attend?
David Seira holds Master, Master Degree In Computers Network Administration from Universitat D'Alacant.
What skills is David Seira known for?
David Seira is listed with skills including Linux, Nagios, Network Administration, Freeradius, System Administration, Dhcp, Linux Server, and Allot.
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