Network Security Engineer Juniper Cisco proxy (5 days onsite)
Lakarya Hounslow, England, United Kingdom
Job Type: 12 months Contract with Extension
Location: London Heathrow Waterside (5 Days Onsite)
Experience: 6-10+ years
Job Responsibilities:
* Provide L3-level support, troubleshooting, and resolution for complex network issues.
* Design, implement, and optimize network security solutions using security proxies, Juniper, and Cisco.
* Lead incident resolution and problem management efforts, coordinating with vendors as needed.
* Configure and maintain firewalls, security appliances, and access control policies.
* Develop and execute network automation strategies for efficiency and scalability.
* Collaborate with architects and project teams on network upgrades and expansions.
* Conduct performance tuning and capacity planning for network infrastructure.
* Mentor and provide technical guidance to L2 engineers.
Technical Skills:
* Security Proxy: Blue Coat, Zscaler, or equivalent, deep understanding of SSL decryption and policy enforcement.
* Juniper: Advanced routing (BGP, OSPF, ISIS), firewall rules, security policies, IDS/IPS.
* Cisco: Enterprise switching (Nexus, Catalyst), routers, ASA/FTD firewalls, SD-WAN.
* Automation & Scripting: Python, Ansible, Terraform (preferred).
* Cloud Networking: Azure, AWS, or GCP networking and security concepts.
* Load Balancing: F5, Citrix NetScaler (preferred).
* SIEM & Security Tools: Splunk, Palo Alto Cortex, or similar.
Soft Skills:
* Strong leadership and mentorship capabilities.
* Excellent documentation and presentation skills.
Ability to work independently and handle high-priority incidents.
Seniority level
Mid-Senior level
Employment type
Contract
Job function
Information Technology
Industries
IT Services and IT Consulting
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