Network Security Engineer -Juniper,Cisco Proxy (Onsite)
On site
Waterside, United Kingdom
Freelance
13-03-2025
Job Specifications
L3 Network Engineer – Security Proxy, Juniper, Cisco
Location: London Heathrow Waterside ( 5 days Onsite)
12 Months Contract with extension
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.
About the Company
Lakarya is a professionally managed Technical Consulting Company focusing on highly skilled information technology consultants, headquartered in Sterling, VA. We provide highly trained and experienced staff in specific technologies to Fortune 500 firms. Our ability to recruit and provide candidates across the countries gives us a distinct competitive advantage. Our primary goal is to provide every client with a qualified, dedicated and skilled manpower who fits the company's environment and exceeds expectations working with... Know more
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