استخدام network security engineer

توضیحات آگهی

Wallex is a FinTech company providing a secure cryptocurrency exchange platform and digital asset payment solutions
With a vision to become a leading global FinTech enterprise Wallex is recognized as one of the largest cryptocurrency exchange platforms in Iran supporting the online trading of over 130 cryptocurrencies
We are looking for a skilled and motivated Network Security Engineer to join our Infrastructure team
This is a hands on engineering and operational role focused on the design implementation operation and continuous improvement of our network security infrastructure You will work with enterprise grade network and security technologies to protect critical infrastructure and services while ensuring secure reliable and scalable connectivity across the organization
The role requires strong hands on experience with network security firewalls routing and switching network segmentation secure connectivity monitoring and troubleshooting You will collaborate closely with Infrastructure DevOps Security and other engineering teams to maintain and continuously improve our network security posture
Responsibilities
Design implement operate and maintain enterprise network security infrastructure
Configure manage troubleshoot and optimize firewalls and network security policies
Design and implement network segmentation and access control policies based on security requirements and best practices
Configure and troubleshoot NAT ACLs routing Site to Site and Remote Access VPNs and secure network connectivity
Configure and maintain security controls such as IPS IDS application control traffic inspection and threat prevention policies
Perform security hardening and periodic configuration reviews of network and security devices
Troubleshoot complex network and security issues across Layer 2 through Layer 7
Analyze network traffic packet captures firewall logs and traffic flows to identify connectivity issues misconfigurations anomalies and potential security threats
Monitor network security infrastructure traffic logs availability and performance using monitoring and logging platforms
Participate in network and security incident response root cause analysis and preventive action planning
Plan and execute network security changes upgrades migrations and maintenance activities following established change management practices
Collaborate with Infrastructure DevOps Security and other engineering teams to design and implement secure connectivity and network architectures
Maintain accurate technical documentation including network and security diagrams firewall policies configurations operational procedures and change records
Regularly review existing security policies and configurations to identify unnecessary access misconfigurations and opportunities for improvement
Evaluate and test new network security technologies and solutions
Contribute to the automation of network and security operations configuration management and repetitive operational tasks
Contribute to improving the availability scalability resilience and security of network infrastructure
Requirements
Minimum 3 years of relevant hands on experience in Network Security or Network Engineering
Strong understanding of TCP IP and Layer 2 Layer 3 networking fundamentals
Strong understanding of enterprise routing and switching technologies including BGP OSPF VLAN STP RSTP LACP NAT and ACL
Solid understanding of datacenter networking concepts including VXLAN EVPN and Overlay Underlay architectures
Hands on experience with Cisco Catalyst and Cisco Nexus switches
Strong hands on experience with enterprise Next Generation Firewalls NGFW including secure policy design traffic inspection VPN technologies high availability threat prevention logging and advanced troubleshooting
Strong understanding of network security principles including network segmentation least privilege access control secure network architecture firewall policy design network device hardening IDS IPS and VPN security
Strong troubleshooting skills across Layer 2 through Layer 7 with the ability to diagnose complex connectivity routing performance and security issues
Hands on experience with packet capture and traffic analysis and the ability to analyze network flows and firewall logs
Hands on experience with infrastructure monitoring alerting and logging platforms
Basic operational knowledge of Linux and common network troubleshooting tools
Good understanding of High Availability and redundancy concepts in network and security infrastructure
Strong problem solving and analytical skills particularly in production environments
Strong documentation and change management practices
Strong communication and collaboration skills
We build not watch This is where you belong
شرکت والکس Wallex
دسته بندی IT DevOps Server
نحوه همکاری تمام وقت
نوع همکاری حضوری
مدرک تحصیلی کارشناسی
سابقه کار سه تا شش سال
حقوق توافقی
جنسیت مهم نیست
مهارت ها Network Security Firewalls امنیت شبکه
شهر تهران تهران