Network Administrator
Other
Network Administrator
Grand Parade part of William Hill
Kraków
Type of work
Undetermined
Experience
Mid
Employment Type
Permanent
Operating mode
Office
Tech stack
Routing and switching TCP/IP
Firewall
LAN WAN
Wi-Fi configuration
Windows/Linux
Job description
Your role in the team
- As a network administrator you will work closely with the rest of the system operations team, development teams, and security department and also with external suppliers.
- Network Architecture and Design
- To ensure that network infrastructure adheres to security and compliance requirements (including ISO 27001)
- Work on implementation and administration of data and VOIP networks (LAN, WAN, Wi-Fi)
- Work with our international teams in order to adhere to group guidelines
- Establish and implement network management policies and guidelines to ensure the maximum availability of the client networks
- Isolate and resolve network related service problems
- Diagnose and correct problems resulting from component failure
- Implement QS where necessary to guarantee level service
- Network performance and security monitoring
- Day to day responsibilities of incident detection, investigation, response, and triage to security events
- Implementing patches/updates for network hardware to address vulnerabilities
- Documenting post-mortem for incidents and root cause analysis
- Maintaining security monitoring solutions
- Oversee and manage penetration testing / vulnerability scanning
- Mentoring and training of support personnel in network related procedures and products
Requirements:
- Strong and solid basic understanding of network basic principles like OSI model, TCP stack, routing and switching, firewalls, LAN and WAN protocols, wireless networks.
- 3+ years hands on experience in networking, firewalls, routing and switching including TCP/IP, MPLS, BGP, ISIS, DNS, DHCP, SNMP etc.
- Proven experience with planning, implementation and support of traditional and next generation firewalls (Cisco ASA, Checkpoint, Sonicwall, Palo Alto, Juniper), IDS/IPS systems, load balancers (F5, Nginx), static routing, QoS, switching (LACP, STP, MSTP, VLAN), WI-FI networks (including controllers and access points Aruba, Cisco, HP, Ubiquiti) and VOIP/teleconference systems (Cisco, Bluejeans, Avaya).
- Experience with identity management and single sign on solutions (OKTA Identity Management, Microsoft Azure Active Directory or similar).
- Strong knowledge of network hardware platform and their specification in the data center space.
- Experience with network management tools like PRTG, Nagios, Munin.
- Experience with Windows and Linux operating systems.
- Experience working with a global team is a plus.
Nice to have:
- Industry certifications in Cisco, Aruba, Microsoft or any other related product is a plus.
- Previous experience working in a Cybersecurity/Network security role
- Previous experience with virtual networks in containerized environments (Docker, Kubernetes).
- Previous experience with cloud providers (AWS, Azure, Google Cloud Platform).
- Knowledge in automation tools like Terraform and Ansible.
- Previous experience with (or some knowledge about) infrastructure as a code.
- Previous experience with scripting languages like Python, Perl, Bash or Ruby.
- Previous experience with device configuration and automation.
- Experience with hyper converging solutions (Dell VXRail, Vmware, Nutanix, HP) and virtualization (Vmware and Hyper-V network related experience).