Senior Enterprise Network Engineer - Global Infra & Security

Aristocrat Leisure; Kraków; Hybrid; PLN 354,000 - 551,000; Full time

Job summary

Aristocrat is seeking an experienced Network Engineer to join the ITOps - Global Network Infrastructure team in a role focused on building secure, scalable enterprise networks. You will lead deployments for LAN/WAN, firewalls, VPNs, and wireless infrastructure while shaping policy and architecture.

The position requires 5+ years in enterprise networking, strong TCP/IP expertise, and experience with Palo Alto and Aruba products, plus scripting capabilities.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 5+ years of hands-on experience in enterprise network engineering.
• Skilled in working with Palo Alto Networks firewalls and Aruba networking solutions.
• Strong understanding of TCP/IP, routing protocols (OSPF, BGP), VLANs, and subnetting.
• Experience with network monitoring tools (Wireshark, SolarWinds, PRTG).
• Proven ability to build and implement secure network architectures.
• Excellent analytical, communication, and documentation skills.
• Certifications such as PCNSE, CCNP, or equivalent preferred.
• Experience in network automation and scripting (Python, Ansible) is an advantage.
• Familiarity with cloud networking (AWS, Azure) and hybrid environments is desirable.

Responsibilities

• Architect, deploy, and maintain secure and scalable network solutions across LAN/WAN environments.
• Manage projects related to Palo Alto Networks firewalls, including policy development, threat prevention, and VPN configuration.
• Manage and optimize Aruba wireless and switching infra, including ClearPass and AirWave.
• Monitor network performance and troubleshoot complex issues using advanced diagnostic tools.
• Implement and enforce network security guidelines and compliance standards.
• Collaborate with cross-functional teams to support infrastructure projects and business applications.
• Mentor junior engineers and provide technical leadership within the team.
• Maintain detailed documentation of network configurations, diagrams, and procedures.
• Participate in on-call rotation and support incident response efforts.
• Build and support dark fiber solutions for high-capacity network infrastructure.

Skills

Palo Alto firewalls

Aruba networking

TCP/IP & routing (OSPF/BGP)

Network monitoring

Security & compliance

Documentation & comms

Python / Ansible scripting

Cloud networking (AWS/Azure)

On-call / incident response

Education

Bachelor's degree in CS/IT or related field

Tools

Palo Alto Networks

Aruba networking

Wireshark

SolarWinds

PRTG

Python automation

Ansible

AWS/Azure networking

Job description

Aristocrat is seeking an experienced Network Engineer to join the ITOps - Global Network Infrastructure team in a role focused on building secure, scalable enterprise networks. You will lead deployments for LAN/WAN, firewalls, VPNs, and wireless infrastructure while shaping policy and architecture.

The position requires 5+ years in enterprise networking, strong TCP/IP expertise, and experience with Palo Alto and Aruba products, plus scripting capabilities.