Co-founded successful start-up; positioned for profitable sale in 2005 after reaching 2000 client margin.
Mihai Tanasescu
Technical Lead / Consultant / Architect

About
Solutions-driven technical leader with 10+ years of success designing and transforming network and IT infrastructures to drive productivity, efficiency, and customer satisfaction.
Well-qualified with extensive background and advanced technical skills spanning a full range of network/systems/server engineering, administration, and security.
Successful in partnering with clients, stakeholders, management, and teams to evaluate and transform needs into state-of-the-art technical and data management solutions with a compelling ROI.
Organised, take-charge professional with exceptional follow-through abilities, able to plan and oversee projects from conception to successful conclusions.
Cross-functional leadership and technical skills: talent for inspiring superior team performance whilst coordinating initiatives in deadline-driven environments.
Technical background
Operating systems
Linux, FreeBSD, NetBSD, OpenBSD
Programming/scripting languages
Bash, Python, C (periodic work mostly reverse engineering, adding functionality to existing scripts on request)
Software
Openstack (Newton, Ocata, Queens), Openshift (3.11), Kubernetes, Ansible,Contrail/SDN/NFV, DPDK, SR-IOV, Linux software ranging from Web Servers (Apache, Nginx) to Databases (Mysql/PostgreSQL, Oracle), FTP (Pure-FTPd, ProFTPD, VSFTPD), Quagga/Zebra/OpenBGPd/Bird/exaBGP, Email servers (Postfix, Qmail, Sendmail, Exim), QOS ( ALTQ, HTB), DNS (Bind), Monitoring (Cacti, Zabbix, Nagios/Icinga), SIP (Asterisk), Configuration archiving (Rancid/Chora), Virtualization (RHV, VMWare, KVM), Linux hardening/security (Grlinux/ Pax, Selinux, Tripwire)
Vendors
Cisco, Juniper (PS role experience), F5, AVI (reverse engineering clustering and API mechanisms), Huawei MA5600, VMWare, Redhat
Firewalls
iptables, ipfw, pf, fwbuilder, Phion, Cisco ASA, Juniper SRX, Palo Alto (basic)
VPNs
OpenVPN, IPSEC, IPIP, GRE, DMVPN (with GRE + IPSEC)
Networking/data centre
MPLS/VPLS/EVPN technologies, Telemetry, TR-069, IPTV/multicast, Solaris zones, Linux jails, Linux containers/namespaces isolation, OpenvSwitch (tunnelling, debugging), Redhat Openstack Director/TripleO, SAN & NAS (started in the past with ZFS from Sun, played with EMC Isilon and with VNX as LUNs for Vsphere VMs), Openstack, Openshift
Security
Offensive Security OSCE certified
Certifications







Courses
PMI, Oracle DB Admin, GCP Fundamentals (Cloudera)
Professional experience
Aviatrix
(Sep 2021 – Present)
Cloud network platform that delivers a single, common platform for multi-cloud networking. Aviatrix delivers the simplicity and automation enterprises expect in the cloud with the operational visibility and control they require.
Senior Customer Solutions Architect
Helping customers in designing resilient architectures, tackling technical challenges, providing connectivity to their remote users, securing their workloads and gaining ...
Cisco Systems
(2019 – 2021)
World's largest manufacturer of networking equipment designed to handle remote access networks, security services, storage networks, routing and switching
Technical Solutions Architect – Sales - Enterprise Multicloud
Consulting Systems Engineer with focus on Datacenter technologies, educating customers into how our solutions work and integrate into their environment. ...
Juniper Networks
(2016 – 2019)
Juniper Networks offers high-performance network/cloud/automation/SDN solutions to help service providers and enterprises to create value and accelerate success.
PS (Professional Services) Consultant
Recruited to design, test (proof-of-concept), present, validate solutions for Swisscom in parallel to supporting my Resident Engineer colleague with the ...
Quickline
(2012 – 2016)
Regional telecommunications provider; provides cable and fiber internet connectivity, analog, digital, IPTV services, B2B services, VOIP solutions.
Senior Network/Systems Engineer
Recruited to manage, develop and expand the network infrastructure of Finecom Telecommunications, design business projects for our customers, administer the ...
Swisscom Group: WINGO / ACCELERIS / AIRBITES
(2011 – 2012)
Major telecommunications provider; provides fixed line and mobile telephony, Internet, digital television, IT services and networking solutions.
Senior Network Engineer / Wingo, Fribourg, Switzerland (2011-2012)
Recruited to customise and expand network infrastructure of Swisscom-owned start-up providing Internet, voice, and IPTV services. Simultaneously perform systems administration, ...
Ericsson Global Support Center (GSC), Bucharest, Romania
(2010-2011)
Largest GSC in Romania, supporting global telecom operators such as Vodafone-NL, Mobistar Belgium, Base Belgium, Yoigo Spain, etc; 1000 employees.
Team Leader, Back Office IP
Provided decisive leadership and direction for 19 team members across 4 different projects. Resolved escalated issues involving Cisco (ASR, 7600, ...
Swisscom Group: WINGO / ACCELERIS / AIRBITES
(2008-2010)
Major telecommunications provider; provides fixed line and mobile telephony, Internet, digital television, IT services and networking solutions.
Technical Consultant & Team Leader, Acceleris / Airbites (2007 – 2010)
Stepped into role of company’s 1st employee, charged with hiring staff and launching technical operations for Romanian branch of Swisscom ...
Romsys, Bucharest, Romania
(2006 - 2008)
Provides security & networking solutions, SAP & custom software for large corporations and government entities. Project implementation. Analysed business, system, and security requirements, and customised implementations based upon Linux OS. Analysed and recommended modifications to maximise capacity and ensure a scalable environment while minimising cost. Provided post-implementation training and support. Forged and managed productive client relationships.
Technical Solutions Engineer
Planned and executed all phases of complex projects focused on design and implementation of Cisco-based networking solutions for key clients ...
UPC Liberty global
(2006 – 2006)
Technical Solutions Engineer
Media SAT
(2005 – 2006)
Network & System Administrator
Duras
(2003 – 2005)
Network & System Administrator
Faculty of Mathematics & Computer Science at University of Bucharest
(2003 – 2004)
Network & System Administrator / Volunteer Position
Education & credentials
Master of Science, Computer Aided Business & Project Management (2007 - 2009)
University of Economical Studies, Faculty of Cybernetics, Statistics & Computer Science, Romania
Bachelor of Arts, Computer Science / Networking & Programming (2002 - 2007)
University of Bucharest, Faculty of Mathematics & Computer Science, Romania
Oracle Courses
Database Administration I & II, Oracle RAC - Real Application Clusters)
Six Sigma Course
Ericsson · Project Management Course, Project Management Institute
Certifications
Cisco Certified Internetworking Expert (CCIE R&S #43060)
Sun Certified Network Administrator, Solaris 10 • Sun Certified System Administrator, Solaris 10
Cisco Certified Internetwork Professional (CCIP) • Cisco Certified Network Professional (CCNP)
Juniper JNCIS-ER / Juniper JNCIA-ER • IELTS English Language Accreditation
Redhat Certified Engineer • ITIL v3 Foundation
VCE (Verimatrix Certified Engineer)
VMWARE VCP 5
OSCE (Offensive Security for Pen Testing)
Redhat Openstack
Azure Network Engineer Associate
Language skills
Romanian (Native)
English (TOEFL/IELTS certified)
French (Fluent)
German (B1-B2)
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