Mituc's Curriculum Vitae

PERSONAL DATA:

Name: Victor TARHON-ONU
Born: in Tirgu Neamt (Romania), on May 14 1977;
Nationality: Romanian;
Civil status: married, one child, Alexandra-Maria;
E-mail: bbmituc (at) gmail.com
Driving License: class B (also attended a rally pilot school).
Address: str. Piscului, Valea Lupului, Jud. Iasi, 707410, Romania;
Phone: +40-740-082667

STUDIES:

University (1996 - 2005):
- "Alexandru Ioan Cuza" University, Faculty of Computer Science Iasi, Distance Learning, 2nd year (2003 - 2005, postponed);
- Technical University "Gh. Asachi" Iasi, Faculty of Automatic Control and Computer Science (1996 - 2003, postponed);
Highschool (1992 - 1996): "Stefan cel Mare" High School, Tirgu Neamt;
Extra: Sem. 1-4 Cisco CCNA, OAO RoEduNet Iasi Cisco Academy (2001-2002);

CAREER SUMMARY:

Aug 2024 - Dec 2025: Network Engineer at Simplica Corporation
Jun 2023 - May 2024: Systems Engineer at G-Core;
May 2021 - May 2023: DevOPS Engineer ar Cognizant Softvision;
Sep 2020 - May 2021: DevOps at Endava;
Mar 2020 - Jun 2020: Sr. Systems and Network Engineer/technical Lead at CloudScale365 eApps/Create-a-Cloud division;
Apr 2013 - Feb 2020: Sr. Systems and Network Engineer at Strategic Systems Consulting Inc;
Mar 2018 - Mar 2019: Systems Engineer and Dev Ops at FeelIT S.R.L.;
Oct 2016 - Feb 2018: Systems Engineer at Reply Technologies SRL;
Dec 2014 - Aug 2015: Systems Engineer and DevOps at NetToLogic INC.;
Jun 2010 - Sep 2010: Network and System Engineer at EuroWeb Romania;
Dec 2007 - Apr 2013: Sr. Systems and Network Technician, Tech Support Rep. at Strategic Systems Consulting Inc;
Feb 2006 - Feb 2008: Lead Systems Engineer at ActiveMedia Technology LTD;
Feb 2006 - Nov 2006: Technical Consultant at RCS&RDS S.A.;
Jan 2003 - Feb 2006: Area Technical Coordinator at RCS&RDS S.A. - Iasi Area;
Jan 2002 - Dec 2002: Technical Coordinator at Romania Data Systems S.A. (RDS) - Iasi Branch;
Sep 2001 - Dec 2001: Network and System Engineer at Romania Data Systems S.A. (RDS) - Iasi Branch;
Feb 2001 - Aug 2001: Network and System Engineer at Opsynet S.R.L.;
Sep 2000 - Jun 2001: System Administrators Team Leader at Isratech S.R.L.;
Feb 2000 - Aug 2000: Network and System Engineer at Opsynet S.R.L.;
Nov 1999 - Jan 2000: Network and System Engineer at Isratech S.R.L.;
Oct 1998 - Dec 2012: System Administrator at Faculty of Automatic Control and Computer Science - Iasi.

BOOKS:

Web Programming in BASH and PERL (Programare Web in BASH si PERL) - Linux collection at the Polirom Publishing House, Iasi, 2002 (256 pages) - collaboration with Sabin Corneliu Buraga (main author) and Stefan Tanasa - ISBN 973-683-931-1.

PROJECTS:

Past projects:
- BBStatus - a Web tools to maintain IP accounting and traffic statistics for a/several network(s), the possibility to manage IP accounting lists on several routers, to block and to permit traffic from/to IPs/Subnets listed in the local database. This application is entirely written in PERL.
- 2000 - 2001: htb-tool - a set of applications for bandwidth control using HTB Queuing Discipline. The core tools are mainly written by Ionut Spirlea, helped by Manuel Subredu. I designed a start script using these tools and I'm currently writing a set of tools and a web interface for it in order to manage the bandwidth control on several routers, for several clients.
- 1999 - 2000: Tudor Vladimirescu Iasi - Campus Local Area Network - design, routers configuration, name servers configuration, security policies;
- 1998 - 2000: The project for Tudor Vladimirescu Iasi T19 Local Area Network, routers configuration and administration;
- 1998: A text parser for UNIX-like configuration files written in C++;
- 1997 - 1998: A set of functions designed to work with some UNIX daemons to identify remote users written in C, dedicated to GAEN Chat mainly developed by Sabin-Corneliu Buraga (http://www.infoiasi.ro/~busaco) and presented in "Symposium on Automatic Control and Computer Science - SACCS'98 Proceedings", November 1998, Iasi.

CAREER DETAILS:

Aug 2024 - Dec 2025: Network Engineer at Simplica Corporation (Company Profile: Internet Industry/Service Provider):

Responsibilities:	Manage on-prem network infrastructure (Cisco ASA/FTD, Cisco Catalyst, Netgate); Provision customer infrastructure on prem and AWS; Manage on-prem and Amazon EC2 servers (Linux CentOS, Rocky, Amazon linux); Manage AWS network infrastructure (VPCs, transit gateways, security groups, BGP, site-to-site VPNs);

Achievements:	Network equipment upgrade migration plan; Customer infrastructure deployment; Local server repository for Rocky 8/9; Dual oracle version servers for QA/Dev; Maintenance wrapper BASH script tor easier and more consistent monthly maintenance operations;

Jun 2023 - May 2024: Systems Engineer at G-Core (Company Profile: Internet Industry/CDN):

Responsibilities:	Write new Puppet modules and change existing ones for managing the Linux CentOS and Ubuntu servers infrastructure; Implement new internal services for enhancing the network performance monitoring; Fix customer issues and propose infrastructure/product changes/updates to improve content delivery;

Achievements:	Deployed Prometheus exporters for Linux infrastructure servers data gathering; Various new Puppet modules for managing the servers infrastructure, corrected/enhanced existing ones; BASH and Python scripts as part of various Puppet manifests;

May 2021 - May 2023: DevOPS at Cognizant Softvision (Company Profile: Internet Industry/Media/Outsourcing):

Responsibilities:	Implement Jenkins pipelines for automated deployments and various other tasks; Develop Ansible playbooks for automating tasks on a large number of servers; Create and configure CentOS/RedHat Virtual Machines for internal needs; Install, upgrade, maintain, deploy test environments for video surveillance application on CentOS/RHEL virtual machines;

Achievements:	A lot of maintenance applications and scripts (BASH, Python) code cleanup; Ansible playbooks development and testing; RPM pre/post install/remove BASH scripts enhancement and error cleaning;

Sep 2020 - May 2021: DevOps at Endava (Company Profile: Internet Industry/Media/Banking/Telecommunications):

Responsibilities:	Implement AZURE pipelines for legacy applications deployment; Test and deploy legacy company applications on Windows Docker containers; Create and Manage Windows container Docker images to handle legacy applications dependencies and environment; Install, upgrade, maintain and offer technical support for customer provided financial anti-fraud application deployed on managed RHEL virtual machines infrastructure;

Achievements:	Created custom Windows Docker images ready for application deployment; Created AZURE pipelines for automated application deployment into Docker containers; Various PowerShell scripts for data gathering form servers;

Mar 2020 - Jun 2020: Sr. Systems and Network Engineer/technical Lead at CloudScale365 Create-a-Cloud division (former eApps) (Company Profile: Internet Industry):

Responsibilities:	Special projects/Integration/Infrastructure development; Maintain all network devices - routers, switches, firewalls, IDS, SANs; Manage Linux servers infrastructure, both physical and virtual; Network security and troubleshooting; Provide backup coverage for Network and Systems Operations Lead; Perform network duties as delegated to by manager of department; Write/Test applications, prepare draft or required documentation (user guides); Hacks and holes - diagnose and resolve hacked customer servers, find and stop spammers; Proactively update security procedures and apply updates for known bugs and security holes; Work with the Network Department Manager to schedule and conduct maintenance upgrades and make sure the system is performing optimally for internal or customer use; Capacity planning, optimization and resources redistribution balancing; Implement special/non-standard system/application/VPN requirements for customers with special needs.

Achievements:	Network upgrade to 10GBE; Core and edge routers upgrade.

Apr 2013 - Feb 2020: Sr. Systems and Network Engineer at Strategic Systems Consulting, Inc. (Company Profile: Internet Industry):

Responsibilities:	Special projects/Integration/Infrastructure development; Maintain all network devices - routers, switches, firewalls, IDS, SANs; Network security and troubleshooting; Manage Linux servers infrastructure, both physical and virtual; Provide backup coverage for Network and Systems Operations Lead; Perform network duties as delegated to by manager of department; Write/Test applications, prepare draft or required documentation (user guides) for various applications and services running on Linux; Hacks and holes - diagnose and resolve hacked customer servers, find and stop spammers; Proactively update security procedures and apply updates for known bugs and security holes; Communicate required changes in documentation (user guides, release notes, etc); Work with the Network Department Manager to schedule and conduct maintenance upgrades and make sure the system is performing optimally for internal or customer use; Capacity planning, optimization and resources redistribution balancing; Build, release, test and document application packages for internal use or for the customers; Implement special/non-standard system/application/VPN requirements for customers with special needs.

Achievements:	SpamExperts integration API (written in PERL, running on Linux server and integrating directly from the billing MySQL database of the Parallels infrastructure/customer management application); Centralised authentication for various network equipments, servers, routers; Infrastructure development (Linux on-prem servers, Linux containers and Linux virtual machines) and product integration; Public and Private cloud implementations using the company on-premise infrastructure on Linux servers; Linux (CentOS) servers centralized configuration and update/upgrade procedures.

Mar 2018 - Mar 2019: Systems Engineer and Dev Ops at FeelIT SRL. (Company Profile: Internet Industry):

Responsibilities:	Work closely with the customers to implement new products and improve the existing ones; Systems pro-active security, both on-prem and virtual (Linux CentOS, Amazon Linux, RHEL, Ubuntu; Hacks and holes - diagnose, fix and patch hacked customer sites/applications; Amazon AWS/EC2 infrastructure provisioning and management.

Achievements:	Amazon AWS based infrastructure deployment; Various improvements for customer sites and applications;

Oct 2016 - Feb 2018: Systems Engineer at Reply Technologies SRL; (Company Profile: Internet Industry):

Responsibilities:	Maintain local servers and virtual machines (RHEL); System security and troubleshooting; Provide backup coverage for Network and Systems Operations Lead; Capacity planning, optimization and resources redistribution balancing; Build, release, test and document application packages for internal use or for the customer (Financial Company); New servers provisioning (RHEL for production, CentOS for testing and QA), automated application deployment (Docker, Ansible).

Achievements:	Multi-OS Local test environment for the Q&A department; Production Environment enhacements for the company products and demo sites.

Dec 2014 - Aug 2015: Systems Engineer and DevOps at NetToLogic INC.; (Company Profile: Social Digital Media):

Responsibilities:	Work closely with the development team to optimize the environment and the company products; Monitor the systems and cluster resources during promotion campaigns and demos; Maintain local servers (KVM hypervisors running Linux Centos) and virtual machines (Linux CentOS); System security and troubleshooting; Provide backup coverage for Network and Systems Operations Lead; Capacity planning, optimization and resources redistribution balancing (at the virtual machines level).

Achievements:	Built the infrastructure from ground up with Linux servers (both physical and virtual); XEN-based clustering using Linux Hypervisors, multi-master MariaDB server replication, failover.

Dec 2007 - Apr 2013: Sr. System and Network Technician, Tech Support Rep at Strategic Systems Consulting, Inc. (Company Profile: Internet Industry):

Responsibilities:	Maintain all network devices - routers, switches, firewalls, IDS, Linux physical and virtual servers; Network security and troubleshooting; Provide backup coverage for Network and Systems Operations Lead; Perform network duties as delegated to by manager of department; Write/Test applications, prepare draft or required documentation (user guides) for various applications and services running on Linux virtual machines or Linux Virtuozzo containers; Customer technical requests - resolve tech support requests accurately and in a timely manner; Hacks and holes - diagnose and resolve hacked customers, find and stop spammers; Communicate required changes in documentation (user guides, release notes, etc); Work with R&D Manager to schedule and conduct maintenance upgrades and make sure the system is performing optimally for internal or customer use; Build, release, test and document application packages for internal use or for the customers.

Achievements:	Postini integration API (written in PERL, running on Linux server, integrated directly with the Parallels management application); Updated internal user guides and wrote a few more to make the department work more efficient; Webmin modules customization (written in PERL); Automated billing modules for customer services hosted in several custom environments (written in PERL); Virtuozzo VPSes resource monitoring and alerting script (PERL).

Feb 2006 - Feb 2008: Lead Systems Engineer at ActiveMedia Technology LTD (Company Profile: Mobile Technology, Marketing):

Responsibilities:	Installation, configuration, maintenance, backup, troubleshooting and monitoring of the company's Linux servers, routers, switches and firewalls; Tomcat and JBoss applications support, monitoring, deployment on Linux RHEL servers; keeping all servers and routers patch-level up to date and keeping track of the various bugs that may appear (on mailing lists or any other sources); design, implementation and maintenance of security policies (up to date network firewalls, network design, user/system level access control); Oracle, PostgreSQL and MySQL database systems installation on Linux servers, maintenance, backup and tuning; Closely working with the developers for implementing testing and deployment procedures, capacity planing, custom setups for various events.

Achievements:	Ticketing and bar code scaning infrastructure development and deployment; SMS Gateway infrastructure development and deployment; Orange Wednesdays platform enhancements; Monitoring and alerting for the ticketing and SMS gateway platforms; Server test infrastructure (Linux) and redundant database deplyment (PostgreSQL and DRDB).

Jan 2003 - Feb 2006: Area Technical Coordinator at RCS&RDS S.A. - Iasi Area (Company Profile: Internet Service Provider, Cable Television Provider, Telephony Operator):

Responsibilities:	Installation, configuration, maintenance, backup, troubleshooting and monitoring of the company's most important servers and routers; Keeping most important servers (Linux RedHat) and routers (Linux and Cisco) patch-level up to date and keeping track of the various bugs that may appear (on mailing lists or any other sources); Design, implementation and maintenance of security policies (up to date network firewalls, network design, user/system level access control); Design and implement projects of the metropolitan networks in the cities in my care; Coordination of the system and network engineers and technical support departments from the cities in my care; Periodic personnel evaluation, organizing and evaluation of the departments in my suborder; Customer care for big/strategic clients.

Achievements:	Modular accounting/monitoring scalable system based on BBStatus (http://freshmeat.net/projects/bbstatus/); Redundant routing/QoS/Provisioning system with dot1Q VLAN sub-interfaces for Linux routers (including a patch and an add-on for the initscripts package shipped with RedHat/Fedora Core Linux distributions); Design and implementation of layer2 redundant metropolitan networks from the cities in my care (redundant structure, spanning-tree, load balancing based on priorities).

Jan 2002 - Dec 2002: Technical Coordinator at Romania Data Systems S.A. (RDS) - Iasi Branch (Company Profile: Internet Service Provider):

Responsibilities:	Installation, configuration, maintenance, backup, troubleshooting and monitoring of the company's most important servers and routers; Keeping most important servers (Linux RedHat) and routers (Linux and Cisco) patch-level up to date and keeping track of the various bugs that may appear (on mailing lists or any other sources); Design, implementation and maintenance of security policies (up to date network firewalls, network design, user/system level access control); Iasi branch technical department coordination; Periodic personnel and departments activity evaluation.

Achievements:	Regional and national routers network improvement, redesign and deployment; Development and standardization configurations for metropolitan network routers; Development and standardization of clients and IP addresses management applications.

Sep 2001 - Dec 2001: Network and System Engineer at Romania Data Systems S.A. (RDS) - Iasi Branch (Company Profile: Internet Service Provider):

Responsibilities:	Installation, configuration, maintenance, backup, troubleshooting and monitoring of the company's servers, routers and workstations; Keeping servers, routers and workstations patch-level up to date and keeping track of the various bugs that may appear (on mailing lists or any other sources); Design, implementation and maintenance of security policies (up to date network firewalls, network design, user/system level access control); Customer care, technical support; Network management and monitoring website development; Metropolitan network development (Cisco Catalyst switches, Linux RedHat and SuSE routers/firewall/QoS); Coordination and evaluation for the "Network and System Engineers" department.

Achievements:	Development and standardization of the BGP configuration for metropolitan network routers (Linux).

Feb 2001 - Aug 2001: Network and System Engineer at Opsynet S.R.L. (Company Profile: Internet Service Provider, sold in Aug 2001 to Romania Data Systems S.A.):

Responsibilities:	installation, configuration, maintenance, backup, troubleshooting and monitoring of the company's Linux RedHat servers, routers and workstations; keeping servers, routers and workstations patch-level up to date and keeping track of the various bugs that may appear (on mailing lists or any other sources); design, implementation and maintenance of security policies (up to date network firewalls, network design, user/system level access control); customer care; network administration and development; installation, configuration, maintenance, backup, troubleshooting and monitoring of customers servers; QoS configuration (Linux RedHat deployments); dial-in access servers configuration (Cisco, Livingston portmaster, Linux); dynamic routing implementation and maintenance using BGP (gated, Cisco 2500).

Achievements:	authentication system for webmail using a database (Postgresql); traffic accounting system and graphic statistics system using a RDBMS (PostgreSQL); dynamic routing implemented with BGP (gated, zebra, Cisco).

Sep 2000 - Jun 2001: System Administrators Team Leader at Isratech S.R.L. (Company Profile: Analog and Digital Design in VHDL or Verilog, CAD/CAE SW development, Layout, Place and Route and ATPG services):

Responsibilities:	servers administration and configuration (Linux, HP-UX, SunOS, SCO); workstations administration and configuration (Linux, HP-UX, SunOS, Windows); hardware troubleshooting for servers and workstations (PC, Sun, HP PA-RISC); task management for the system and network engineers team.

Achievements:	Internet access fail-over (configured BGP sessions with two different providers); automatic backup, file server redundancy (software raid); modular web application for project management using PostgreSQL RDBMS (access levels, task delegation, management of the personnel participating to a running project, deadlines management, etc); kernels (2.2.x and 2.4.x) patching and recompiling for critical servers and routers (see the BlackBlue series); NIS authentication system for >50 Linux, SunOS and HP-UX workstations; dynamic routing system (using BGP with gated and zebra) for the intra-net of the company, VPN.

Feb 2000 - Aug 2000: Network and System Engineer at Opsynet S.R.L. (Company Profile: Internet Service Provider):

Responsibilities:	customer care and technical support; network management and development; servers installation, configuration and administration for the company; servers installation, configuration and administration for customers; firewall and QoS design and configuration; dial-in servers configuration (Cisco, Livingston Portmaster, Linux).

Achievements:	traffic accounting and graphic statistics system optimization.

Nov 1999 - Jan 2000: Network and System Engineer at Isratech S.R.L. (Company Profile: Analog and Digital Design in VHDL or Verilog, CAD/CAE SW development, Layout, Place and Route and ATPG services):

Responsibilities:	Internal network development; UNIX workstations administration and configuration (PC/Windows, Sun UltraSparc, HP PA-RISC); application servers configuration and administration (HP-UX, SunOS), file servers (HP-UX, Linux), NIS/NFS; administration and configuration of the Linux router/firewall, mail server, web server and web proxy server.

Achievements:	NIS servers migration from SunOS to Linux; backup/secondary NIS servers; NFS volume sharing improvement.

Oct 1998 - Dec 2012: System Administrator at Faculty of Automatic Control and Computer Science, Gh. Asachi Technical University Iasi.

Responsibilities:	Departmental Linux servers - administration and configuration.

Achievements:	Designed and implemented various security policies for shell users and network users; Efficient network management.

SKILLS

Personal Skills: a very good team player, pragmatic, ingenious, resourceful solution finder, analytic, seeking for improvements, fast learner, hard worker, having almost the same performances under stress condition as in normal conditions.
Languages:
- Romanian (native);
- English (CEFR C2);
- French (speaking: beginner, writing: medium, reading: advanced).
Computer related knowledge:
- Programming languages: C/C++ (UNIX-like Operating Systems C/C++ programming), Pascal, Fox Pro, Basic (Spectrum), Java, Assembler (Zilog, 8080/8085, x86), UNIX Shell Scripting (BASH, Perl, Awk, Sed, Python), Web programming (HTML, CGI, PHP, CSS, Java Script);
- Operating systems: MS-DOS, MS Windows 9x/ME/NT/2K/XP/10/Server 2008-2019, Linux (all kernels since 2.0.3, 2.2.x and 2.4.x BlackBlue Series patches - the first kernel patch series supporting both reiserfs and ext3 - 19 Dec 2000, RedHat/Fedora, Slackware, SuSE, Mandrake, Debian, Ubuntu), SunOS, HP-UX, FreeBSD, SCO
- Virtualization/Cloud: XEN, KVM, VMWare, VirtualBox, Docker, Azure, AWS;
- Network equipments: Cisco IOS, Cisco Routers, Switches and Firewalls (Switches and routers series 28xx to 65xx, Cisco ASA), Allied Telesyn Routers, Cyclades PR Cyros, Livingston Portmaster ComOS, 3Com Total Control, Dell PowerConnect, FortiNet
- RDBMS: PostgreSQL (also PGCluster), MySQL (3.23.34 - 5.1.x)/MariaDB 5-10, Oracle (9i, 10g)
- Networking knowledge: Firewalls (design and implementation under Linux, Cisco IOS, FreeBSD, 3Com Total Control CLI, etc), Static and Dynamic Routing (RIP, BGP, OSPF, IGRP/EIGRP), LAN and WAN Technologies, OSI Network Layers, VPN (GRE, IPIP, IPSec), Internet Services.
- Office suites: MS Office, StarOffice, OpenOffice, LibreOffice;
Managerial Skills:

Subordinates: 47 (as Area Technical Coordinator at RCS&RDS S.A. - Iasi Branch.)

Managed budget: I did not manage any budget

Note: All the trademarks are the property of their respective owners.

Subordinates:	47 (as Area Technical Coordinator at RCS&RDS S.A. - Iasi Branch.)
Managed budget:	I did not manage any budget