ostatnia modyfikacja:
Strona w sieci od 2003-04-22

 

Arkadiusz Majer

Contact:

at the moment I'm staying in Krakow, Poland.

mail:
    arkmaj  [@]  gmail.com
    arkadiusz.majer  [@]  orange.pl
    arkadiusz.majer  [@]  asceta.pl

mobile:
   +48 503 134 336

social media:
   LinkedIn: http://pl.linkedin.com/in/asceta
   Profeo: http://www.profeo.pl/arkadiusz-majer

Domeny na sprzedaż
Domeny na sprzedaż - Koszyk z domenami


Chronological Resume

 

Since 1 IX 2014:

     Network Engineer in AKAMAI - in Security Operations Center (SOC) (formely PROLEXIC)

 

   

Working for SOC/Prolexic team (now AKAMAI). No more details at this moment, just a fresh start :).

Prolexic is the world's largest, most trusted Distributed Denial of Service (DDoS) mitigation provider. Able to absorb the largest and most complex attacks ever launched, Prolexic restores mission critical Internet facing infrastructures for global enterprises and government agencies within minutes. Six of the world's ten largest banks and the leading companies in e-Commerce, payment processing, travel/hospitality, gaming and other at risk industries rely on Prolexic to protect their businesses. Founded in 2003 as the world's first 'in the cloud' DDoS mitigation platform, Prolexic is headquartered in Hollywood, Florida and has scrubbing centers located in the Americas, Europe and Asia.

 

 

2 I 2013 till 30 VIII 2014:

     Senior Network Security Engineer, Alcatel-Lucent (Bydgoszcz, PL), dept. TS&FE/MSO

 

   

Security-related tasks

2013-01-01 till 2014-05-31 in BASE (KPN Group Belgium) project (GSM operator in Belgium) then for some short period for Surfline Ghana and Vodafone Qatar projects (Fortinet, Bluecoat, F5, developing fresh brand new network in Surfline and maintaining existing network in VFQ)

In general: implementing changes and coping with incidents involving devices/vendors like:
- Juniper (ISG firewalls & NSM; changes+incidents)
- Fortinet (FortiGate, FortiCarrier, FortiAnalyzer, FortiManager; changes+incidents)
- BlueCoat (ProxySG, BlueCoat Director; changes+incidents)
- F5 (load balancers, Enterprise Manager; changes+incidents)
- IronPort (SMTP relays, basic management)
- Infoblox (DNS, occasionally)
- Huawei switches (occasionally)
- Cisco routers (minor actions: incidents)

Implementing changes, resolving network issues, upgrading software, taking part in development of new features and services.

BASE project has been taken over by Tech Mahindra, for 6+ weeks I was staying in Hinjewadi/Pune, India, providing trainings and knowledge transfer to Tech Mahindra engineers (security team).

 

 

Trainings:

   

 

 

18 VI 2012 till 31 XII 2012

     Network Engineer, ATOS Origin (Bydgoszcz, PL), dept. NS&CS UK

 

   

Assigned to team responsible for UK projects (managing customers’ networks of UK group). Working with Cisco devices (routers, switches-also with FWSM/ASA/LB modules, load-balancers), Checkpoint firewalls, network analysing devices (NetScout).

Exams:

   

 

 

XII 2004 till 30 IX 2011

     Senior Network Architect in Telekomunikacja Polska S.A., Pion Sieci i Platform Usługowych Grupy TP (Warszawa, PL)

 

Tasks&responsibilities:

   

Since January 2005: Responsible for capacity planning of TP POLPAK core network, especially in terms of deploying ADSL services (Neostrada, InternetDSL, wholesale DSL) and also corporate services (Metro Ethernet, MPLS interconnections). Access to core TP POLPAK network (based on Juniper routers).

January 2007 – September 2007:
Management of TP Corporate Core (router management, capacity planning)

Since August 2007 (primary task): I become a part of EQUANT IPVPN team (EQUANT IPVPN - old name of Orange Business Services /OBS/, before rebranding) responsible for business VPN services (VPNs based on IP/MPLS) with strict cooperation with OBS engineers in other countries (mainly in home of OBS - France). I was responsible for PE/RR/P engineering rules, evolution of VPN services (capacity planning, core/edge development, core services development, edge /customer/ services development like BusinessEverywhere). Developing IPSec services (IPSec terminated on Cisco 7200 boxes) for mobile users for access to their VPNs from Internet cloud. Developing NAT/FW rules on Juniper boxes (Junipers used as PE/FW/Internet Gateways). Creating engineering rules for NNI interconnections (RF 4364, back-to-back VRFs) between Telekomunikacja Polska S.A. (TP S.A.) and its partners (Telefonica from Spain, T-Systems from Germany).
Since December 2009 taking part in project for core merging (merging of two separate backbones- IP/MPLS backbone for domestic services, like home xDSL users/Neostrada users, and dedicated IP/MPLS backbone for IPVPN business services). This project is running now in TP S.A. - my part was to prepare engineering base for merging, several scenarios for merging. And, the last stage of this project during my employment- some financial analysis of this project. Everything with very strict cooperation with OBS. This project is very unique on international scale- many telecoms would like to do such thing for cost cutting.

Since July 2007 (secondary task):
Maintaining laboratory with main equipment of TP S.A. core network (Juniper m160, m40e, m10i; Cisco GSR, ESR, 650x, 760x and many others; Nortel Passport 100k, 20k; Nortel Optera Metro - for DWDM ring). Creating and providing environment for software/hardware/configuration/availability/performance tests, for internal TP SA needs. Also providing hardware/software environment for certification purposes. Deploying CACTI for lab monitoring (on FreeBSD + MySQL + Apache + PHP). Deploying remote access with IPSec to lab.

Trainings:

   

 

 

1 IX 2003 till 30 IX 2012 also as freelancer (running own business)

     Support&Network projects for various clients

 

   

I got “NAT0-Secret” clearance (it was a must to be a contractor in an Exchange+X.400 project for NATO). Certificate valid through 2008/12/11

securing networks, implementing FW and IDS systems (FreeBSD and Windows platforms) (primary Snort+ ACID/BASE+ MySQL+ apache+ php+ barnyard on FreeBSD platform, also on MS Windows)

 

 

1 VII 2002 – 31 VIII 2003:

     LAN/WAN Administrator in ROSSMANN SDP Sp. z o.o. (Łódź, PL)

 

Responsible for:

   

- Configuring network devices. Responsibility for network security. Monitoring local network, administrating firewalls, maintaining antivirus servers structure (Symantec AV Corp. Edition, plus ca 150 workstations-clients).
- Administration Windows NT-based network. Administrating MS SQL 2000, Oracle 8.0.5, MS Exchange 5.5, print and file servers, RAS-servers. Responsibility for tape back-ups (using Veritas BackupExec 9.0 with tape library).
- Maintaining secure communications to Internet and more than a hundred shops in Poland, via Frame-Relay and ISDN links. Installation/configuration/maintenance of linux/FreeBSD-based servers (firewalls, proxy, www, dns). Implementing IDS system (Snort/MySQL/ACID/apache), on FreeBSD platform. - Helpdesk services.

 

Trainings:

   

 

 

1 X 2001 – 30 VI 2002: As freelancer

     Network projects for various companies

 

   

- Designing and implementing networks for companies like Euronet, Pol-Pager, Prochem S.A., “Administracja Domów Komunalnych”, Orix etc.
- Implementing FreeBSD-based servers with intranet services, like www, proxy, news, IRC, FTP, for internal users of Raiffeisen Bank Polska S.A.
- Reorganizing and securing Raiffeisen Bank network.
- Developing project for VoIP and BGP for internal Telecomm Systems Sp. z o.o. purposes.
- Network security audit in Rossmann SDP - Łódź

 

 

1 IV 2000 - 30 IX 2001:

     WAN Administrator in TP Internet Sp. z o.o. (Warszawa, PL)

 

Responsible for:

   

- Configuring and maintaining Cisco network devices.
- Monitoring and administration of TPI network (based on Fast/GigaEthernet, ATM and Frame-Relay).

 

Trainings:

   

 

Exam:

   

 

Personal accomplishments:

   

- Building tremendous network infrastructure in TP Internet, based on Cisco hardware (routers 75xx, switches 65xx, PIX Firewalls 520, LocalDirectors 430, NetRangers). All TPI services depends on this network: www.portal.pl, mail.idea.net.pl, www.tpsa.pl, www.signet.pl, Quake server, one of the biggest news servers in Poland - news.tpi.pl, "Konta dla Szkół", hosting of servers and services for TPI customers.
- Developing network for real-time TV transmissions during first BigBrother edition, with implementation of RealAudio streaming.
- Implementation of CiscoWorks 2000 and Resource Manager Essentials for network monitoring, on Sun Solaris 7 with HP OpenView. Installation of AAA system (Cisco ACS and Livingstone RADIUS), to control access to network devices and to enable remote access for TPI administrators.
- Rebuilding WAN network to connect TPI partners and customers.
- Supervising and securing network (introducing Cisco NetSonar for scanning vulnerabilities and Cisco NetRanger as an IDS). Taking parts in security audits. Implementation of security policies.
- Co-operation with Signet during implementation of PKI system.
- Rebuilding and enhancing hardware and network structure for efficiency, quality and functionality.

 

 

1 X 1999 - 31 III 2000:

     LAN Administrator in UNiSYS Corp. Polska Sp. z o.o. (Warszawa, PL)

 

Responsible for:

   

- Administrating NT servers and office LAN.
- Implementing security policy based on ENSI security audit.
- Securing, monitoring and maintaining LAN to ensure the highest security level because of personal information database of Norwich Union

 

Personal accomplishments:

   

- Mastered MS Exchange which was used as a data workflow system in office.
- Tested various juke-box systems for data archivization.

 

 

1 IV 1998 - 30 IX 1999:

     LAN/WAN Administrator in TECHMEX S.A. (Bielsko-Biała, PL)

 

Responsible for:

   

- Maintenance on Microsoft, Novell and SCO Unix systems.
- Administration of Alcatel 4220/Alcatel 4400 PABXs.
- LAN/WAN administration, based on Cisco devices (routers, switches, firewalls).

 

Trainings:

   

 

Exam:

   

 

Personal accomplishments:

   

- Perfectly mastered LAN/WAN environment.
- Migration from Alcatel 4220 to Alcatel 4400 PABX. Full implementation of A4400, with installation of Voice Mail system, Interactive Voice Response system, and voice call management.
- Establishing connection between Techmex headquarters (Warszawa and Bielsko-Biała) based on Frame-Relay protocol and Cisco routers.
- Launched Citrix MetaFrame on Windows NT 4.0 TerminalServer Edition to ensure remote access and transactional operations from stations in Warszawa HQ, to SQL database installed on Digital Alpha 7300.
- Taking parts in implementation of MRP2 system-GPS DyNAMICS 5.0 based on MS SQL v6.5.
- Introduced Techmex Web server based on MS IIS v4.0 (a migration from web server based on SCO Unix and Apache).
- Completely rebuild existing cable infrastructure to ensure structuralism and Cat-5 standards.
- Rebuild LAN topology and structure to guarantee the highest possible security level (via installing and implementing Cisco PIX Firewall, creating DMZ for public-accessible servers, upgrading and enhancing active network devices).
- Interesting hardware configurations for different promotions, customer trainings and shows (for instance, configuring ISDN connection between Cisco routers and Alcatel PABX working as a ISDN switch to test various ISDN protocols).

 

 

1 VIII 1997 - 15 I 1998:

     PC Hardware Technician in ComarLand S.C. (Jastrzębie Zdrój, PL)

 

Responsible for:

   

- Installation/configuration/repairing PC hardware.
- Installation of operation systems and applications.

 

Personal accomplishments:

   

- In-depth knowledge of PC hardware.
- Familiarity with MS Windows 95/98/NT4.0.
- LAN/WAN basics.

 

 

Additional skils:

 

- basic UNIX shell-scripting
- knowledge of HTML, DHTML, JavaScript, Flash and ActionScript (familiarity with various tools, like Macromedia DreamWeaver MX, Macromedia Flash MX, SWiSH, KoolMoves).
- experience in using sound processing and editing tools (SoundForge, CoolEdit, CakeWalk Pro Audio).
- experience in using various DTP/picture editing applications (like Macromedia FireWorks, Adobe Photoshop, CorelDraw!, Picture Publisher, MS Visio 2000).

 

 

Languages

 

English: full professional proficiency
German : basic
Polish: native

 

 

Education

 

1997Interrupted individual studies at Silesian Technical University, Gliwice.

1994-1997Silesian University, Sosnowiec. B.A., Computer Science

 

 

Technical interests

 

Securing IP networks. Creating and implementing firewall systems. Integration of heterogeneous network systems with telco communication systems (like PABXs). Designing, implementing and troubleshooting TCP/IP networks.
TCP/IP data flow analysing, monitoring, bandwidth management, access-control.

 

 

Hobbies

Creating web pages in Flash/DHTML technology, managing several blogs based on WordPress engine, mountains (trekking and climbing), sailing, extreme sports, baroque music, s/f literature, dogs (training)

 

 

 

 

 

Resume (English) - format MS Word

CV (j. polski) - format MS Word

Exams and trainings - list

 

 

 

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