Filip Kośla
Warsaw,14
Summary
Innovative Network Architect committed to designing and building robust data communication networks. Excels in local area networks, security, wide area networks and intranets. Researches and understands company's business plan and supports goal attainment. Excellent in Juniper, Checkpoint and Cisco devices.
Overview
25
25
years of professional experience
1
1
Certification
Work History
Network Architect
ATOS IT Services And Solutions
01.2023 - Current
- Mentored junior team members, sharing knowledge of advanced networking concepts and best practices to foster professional growth.
- Provided exceptional customer service by addressing technical concerns promptly and effectively resolving issues.
- Identified means to reduce and control expenses by conducting cost, schedule and contract performance analysis and improving resource allocation.
- Supported project planning team to promptly address hardware and software problems and network emergencies.
- Performed network troubleshooting to isolate and diagnose common problems.
- Enhanced security measures by designing and implementing comprehensive network architecture strategies.
- Worked with business partners to balance requirements, security and risk reduction.
- Resolved problems, improved operations and provided exceptional service.
- Used critical thinking to break down problems, evaluate solutions and make decisions.
Senior Network Security engineer / Network Architect
ATOS PL
09.2019 - 12.2022
- Working on major project for biggest Customer
- Design and implement new solution
- Firewall, WAN, LAN deployment
- Work with vendors: Juniper, Checkpoint, Cisco
- DC, WAN Architect
- Major Incident Technical Lead
- Juniper Expert
- Security design.
- Developed and maintained company-wide endpoint security solutions.
- Worked with business partners to balance requirements, security and risk reduction.
- Created frameworks by designing and developing technical solutions.
- Enhanced network security by designing and implementing robust security architectures.
- Designed standardized incident logging system to track historical incursions while helping prevent future breaches.
Senior Network Security engineer / Network Architect
ATOS PL
09.2019 - 12.2022
- Worked with business partners to balance requirements, security and risk reduction.
- Developed and maintained company-wide endpoint security solutions.
- Firewall, WAN, LAN deployment
- Work with vendors: Juniper, Checkpoint, Cisco
- DC, WAN Architect
- Major Incident Technical Lead
- Juniper Expert
- Security design.
- Worked with business partners to balance requirements, security and risk reduction.
Senior Network engineer – project team
ATOS
04.2017 - 09.2019
- Working on network project for Siemens/Aviva/Nomad
- Design a new implementation
- Optimization of infrastructure
- Configuration Juniper devices
- Implementing Juniper DC for one of customers
- Troubleshooting Network issue
- L3 technical support.
Network engineer
Ferrero Comercial
09.2014 - 04.2017
- Maintenance of IT network systems
- Design a new implementation
- Optimization of infrastructure
- Configuration Cisco Routers and switches, WLC
- Management of Check Point FW
- Troubleshooting Network issue
- Level 2 and 3 technical support
- Zabbix, ISE, Prime.
Network engineer
Eskom
01.2013 - 09.2014
- Maintenance of IT systems, LAN, WAN networks, VmWare for company and customers
- Troubleshooting of Cisco and HP routers, switches, firewall
- Implementing new installation and project
- Level 2 and 3 technical support.
Independent position for IT, networking and information security
PKP PKL Diagnostic Centre
01.2010 - 09.2013
- Maintenance of IT systems, LAN, WAN networks, VPN, VoIP, CISCO, Windows
- Monitoring of risks, QoS
- Developing and monitoring requests for information and communication systems
- Level 1 and 2 technical support.
Lan / WAN Administrator (remote support)
Sieć – Instal
01.2007 - 01.2010
- Ensuring the smooth functioning of the company network
- Support for remote users of the system
- Support for network and computers
- Troubleshooting failures reported by users.
Bowling Systems Engineer
Asian Olympics „15th Asian Games Doha 2006“ Qatar
01.2006
- Developing, preparing, and ensuring trouble-free operation of scoring systems during the bowling competition
- Co-operation with the World Bowling Federation representatives, judges and TV in order to develop and publish the results
- Managing WAN / LAN contact points based on Cisco devices.
System engineer
QUBICAAMF BV Rotterdam
01.2005 - 01.2010
- Maintenance of hardware and software
- Construction of infrastructure Lan / WAN, control systems
- Training of staff in the centers worldwide
- Support for users in the use of technology OpenVPN, Remote Control
- Troubleshooting failures reported by users
- Project: Bahrain, UAE, Qatar, Jordan, Denmark, Sweden.
IT specialist
Federation for Women and Family Planning
01.2003 - 01.2005
- Managing LAN networks
- Repair of computers and software, ordering and assembling new computers.
Receptionist / Instructor
Las Vegas Entertainment Center
01.2002 - 01.2003
- Customer and reservation system service, creating, programming, leagues and tournaments
- Troubleshooting bowling machines and care for bowling alley IT systems.
Receptionist / Instructor
Strike One Polska Sp. z o.o.
01.2001 - 01.2002
- Customer and reservation system service, creating, programming, leagues and tournaments
- Troubleshooting bowling machines and care for bowling alley IT systems.
Network administrator
Department of 'Internet for Schools' University of Warsaw
01.1999 - 01.2001
- Care for LAN / WAN network, Cisco routers
- Administration of operating systems (Win 98, Win XP/2000 Server, Sun Solaris, Linux) along with services such as: FTP, WWW, MAIL
- Development of shopping, working with external suppliers and the purchasing and servicing of equipment.
- Performed day-to-day LAN and WAN administration, maintenance, and support.
Education
Master of Science - Computer Science
Mila College
Warsaw01.2004
Polish - Japanese Institute of Information Technology
Warsaw01.2000
Jan Kochanowski High School
01.1999
Skills
- DC FABRIC WITH EVPN AND VXLAN (ADCX) DCACI
- Linux/Unix
- Juniper/Cisco/Checkpoint Expert
- Intrusion Detection
- Security issues troubleshooting
- Security infrastructure architecture
- Disaster Recovery
- Critical Thinking
- Designee and implementation
- The ability of rapid decision making, often under great pressure of time and outcome
- The ability of rapid learning
- Creativity
Certification
- JNCIE-SEC
- CCNP Security
- CCNP Enterprise
- Cisco Certified Specialist – Security Core
- Cisco Certified Specialist - Enterprise Core
- Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
- Cisco Certified Specialist - Enterprise Design
- HP ATP - FlexNetwork Solutions
- CCIE in progress
- JNCIP DC – in progress
Languages
English
Advanced
C1
Polish
Proficient
C2
C I S C O
CSCO11969163
Upcoming Training
CCIE Security
Personal Information
Date of Birth: 11/22/80
Timeline
Network Architect
ATOS IT Services And Solutions
01.2023 - Current
Senior Network Security engineer / Network Architect
ATOS PL
09.2019 - 12.2022
Senior Network Security engineer / Network Architect
ATOS PL
09.2019 - 12.2022
Senior Network engineer – project team
ATOS
04.2017 - 09.2019
Network engineer
Ferrero Comercial
09.2014 - 04.2017
Network engineer
Eskom
01.2013 - 09.2014
Independent position for IT, networking and information security
PKP PKL Diagnostic Centre
01.2010 - 09.2013
Lan / WAN Administrator (remote support)
Sieć – Instal
01.2007 - 01.2010
Bowling Systems Engineer
Asian Olympics „15th Asian Games Doha 2006“ Qatar
01.2006
System engineer
QUBICAAMF BV Rotterdam
01.2005 - 01.2010
IT specialist
Federation for Women and Family Planning
01.2003 - 01.2005
Receptionist / Instructor
Las Vegas Entertainment Center
01.2002 - 01.2003
Receptionist / Instructor
Strike One Polska Sp. z o.o.
01.2001 - 01.2002
Network administrator
Department of 'Internet for Schools' University of Warsaw
01.1999 - 01.2001
Master of Science - Computer Science
Mila College
Polish - Japanese Institute of Information Technology
Jan Kochanowski High School
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