Cezar S.

Sysops Engineer

365 dollar

Mon expérience

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VodafoneFebruary 2017 - Présent

I was involved in this team from the begining of the project. One of the first 2 peoples, in the present we are 13 just in Romania. It was a real challange because we start almost with nothing, and we need to create everything step by step. In the meantime we also took other projects, because most of services start to be virtualized, and we show that we are dealing well with this technologies.

Personal achievements:
- Design and develop a tool for generating graph and reports to monitoring 4g data roaming speeds.(html, javascript, php, css, bash scripting)
- Develope web monitoring tool to check the status of STPs and DRS.(html, javascript, css, bash scripting, python,mysql)
- Develope shell scripts to reduce manual and repetitive activities.(bash/pearl scripting, sql queries)
- Interact with vendors or people from other teams to solve problems or to improve/automatize the flows.

Main functions:
- Managing UNIX servers (solaris 10) for SS7 firewall service, Steering of Roaming, Welcome SMS and other roaming related services.
- System administration tools (UNIX) expert level.
- Assuring and improving the quality of the provided service to the customer.
- One week per month On-Call rotation shifts.
- DataBase user knowledge (complex queries).
- Working with virtualized environments (VMware).
- SS7 MAP Signalling.
- Diameter Signalling.
- DNS protocols.
- Roaming knowledge (protocol and signalling).
- Root Cause analysis for complex major incidents & escalated faults.
- Where required, support new technology, service & solution.
- Support customer Project and Change delivery activities as required.
- Preventive maintenance for platforms in scope.
- Continuous improvement of preventive and corrective maintenance routines.
- Support on security and some other audits to ensure the VF compliance.
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1st level Operations ETL&DWH - EricssonOctober 2015 - February 2017

First level Operations ETL&DWH activities based on the ITIL & MSTOP methodology - Working in Shifts.

Personal achievements:
- Write workarounds and share it with the other colleagues to ease the way of solving problems that appear recurrently.
- Shell scripting development.

Main functions:
- Systems monitoring
- Ticket management
- Preventive maintenance
- Task automation
- Fault management
- Working with Linux (RedHat), UNIX (HPUX), Oracle DB, DataStage, Control-M.
- Microsoft solutions: Excel(advanced), Outlook.
- Using terminal emulator like Putty, MobaXterm, WinSCP(FTP application).
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Orange RomaniaApril 2015 - June 2015

The main purpose as Sales Representative is to give to the clients the best experience as long as they are in the store. To achive this I need to achive the below goals:

- Handle and resolve customers complaints
- Process payments regarding cash, checks and credit cards
- Provide direct customer services by promote new products to walk-in customers by informing them of products and services
- Explain products value and capabilities to customers
- Meet individual and company sales targets
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Alsys Data SRLJune 2014 - October 2014

As Network Technicians we provides technical support for the network and systems used by the Lukoil gas stations.

- Maintains adequate knowledge of existing hardware and software in order to maximize the efficiency of the network
- Offering on-site or remote maintenance of hardware and software 24/7 for the gas station employees regarding any technical issuses.
- Interconnect tougether/install/configure/administrate Servers, Storages and other devices(gas pumps, printers...) located in Lukoil gas stations.
- Maintenance and support for the following technologies/products: Microsoft Windows 2000/XP/Windows 7 Operating Systems, TCP/IP Networks, PC (x86 & x86_64 compatible) systems, printers (including fiscal printers), dedicated equipment for distribution of petroleum products.

Mes compétences

Databases

MySQL, Oracle

Languages

Shell Scripting, HTML, Python, Bash, HTML5, Java, SQL, JavaScript, Perl, PL/SQL, PHP, OOP, CSS, Bash scripting

Computer Tools

Microsoft Excel

Embedded and Telecom

Telecommunications

Business Intelligence

CONTROL-M, ETL

Open Source solutions

Putty

Protocols

TCP/IP, SS7, FTP

Frameworks

jQuery

Other

Ticket management, Continuous Improvement, Root Cause Analysis, Programming, Reactive Maintenance, Red Hat, Servers, Fault Management, Outlook, Romanian, Systems monitoring, English, Domain Name Server Protocol, Microsoft Office, Microsoft Windows 2000 Professional, Microsoft Windows XP, Microsoft Windows 7, Microsoft Outlook, Data Warehousing

Analysis methods and tools

Design Patterns

Others

Technical Support, Spanish, Software Design, Design, Business Analysis, Problem Solving

IT Infrastructure

VMware, Linux Red Hat, WinSCP, System administration, Linux, Sun Solaris, GNU, Network administration, Unix

Mes études et formations

Telecom CRM 2 Customer Care (Ericsson certified) / Telecom CRM 2.0 Overview (Ericsson certificate) - Courses

Oracle Linux 7: Advanced Administration - Bittnet academy2018 -

Master's Degree, Entrepreneurship, Business Engineering, Management - "Politehnica'' University, Bucureşti2015 - 2017

Bachelor of Engineering, Computer Science and Systems Engineering - "Politehnica'' University, Bucureşti2011 - 2015