URGENT HIRING: Network Security L3 – Firewall & VPN || Frisco, TX (Hybrid)

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Job title: Network Security L3 – Firewall & VPN

Location: Frisco, TX (Hybrid) 

Job Description – Network Security L3 – Firewall & VPN

Mandatory Skills- Firewall & VPN

The position of a Network Security L3 is responsible for the ongoing Network Security Operations management to provide 24×7 support.

The ideal candidate will have deep experience of networking technologies, such as Security, proxy, GNAC, IDS/IPS, routing, switching, managing heterogeneous environment & generate metrics related to Security, Network performance, capacity, availability, failure rates, and will also have a strong background in network performance management, service delivery and strategic operations planning with a strong technical orientation & creative in problem solving.

Key responsibilities include:

• This is a hands-on technical role:

• Provide tier-3 (expert level) operational support for Firewalls, VPN  Proxies, IDS/IPS, NAC to resolve critical business issues that require deep network troubleshooting techniques and performance analysis

• Independently own the Security Infrastructure support solving complex issues and suggest design modifications as appropriate.

– Ensure SLAs are met – Responsible for performance analysis, proactive troubleshooting and capacity planning for the Security platforms.

– Perform monitoring and maintenance of overall environment working with experienced team members.

– Perform change controls. Update process documentation and team portals

– Participate in troubleshooting, capacity planning and analysis, performance analysis & Root Cause Analysis.

– Communicate with peers and managers regarding system issues & participate in 24×7 on-call.

– Automate operational tasks to make processes simpler and more robust.

– Ability to handle multiple complex tasks in a dynamic environment, with tight deadlines concurrently.

• Refresh heat-maps and operations plans for campus network Security connectivity

• Monitor and analyze statistical data to develop improvement plans for network Security and application performance 

• Provide an effective network Security capacity plan

• Develop and monitor global weekly and monthly trending reports by business sectors to justify future growth 

Additional Responsibilities Include:

• Oversees the management of service level agreements (SLAs) with vendors and service providers

• Oversees and directs all aspects of the 24/7/365 mission critical network/telecommunication infrastructure operations; including planning, supporting, and maintaining functions

• Serves as the senior-level escalation point for network operations to resolve critical incidents 

• Maintains policy and procedures manual, conducts monthly service review meetings with key stakeholders

• Provides leadership, management, direction, and technical oversight for the network Security operations department

Required Qualifications and Experience:

• Bachelor’s degree or related qualification

• Certifications is a must (PCNA, CCNP Security, CCDP, CCIE Security)                                                                          

• Minimum 12+ years of working in a Network / Telecommunications role, with expert level experience with Firewall Management, Proxy Management, IDS/IPS Management, NAC Management, SD-WAN, VPN, Firewalls, etc technologies

• Experience of working in a multi-cultural, virtual team, across multiple geographical regions

• Experience with technologies such as: Cisco / Juniper/ Palo alto HSRP/VRRP, VRF, VPC, VC, LACP, Fabric Path.

• Experience with technologies such as: Cisco VPN, Any connect, Aruba GNAC, Cisco NAC

• Experience with technologies such as: Palo Alto Threat Protection/ Cisco Firepower/ iXIA IPS/IDS, Symantec Secure Web Gateways, Zscaler

• Extensive support of Routing Protocols/Technologies such BGP,OSPF, Logical Overlay, IOS-XR, MPLS VPN, Multicast.

• Strong understanding of application communication methodologies.

• Ability to perform TCP/IP Network traces/packet captures with solid experience interpreting results.

• High level of confidence and competence communicating on bridges.

• Solid background in vendor management to drive incident resolution.

• Experience with monitoring tools and strategies

• Execute and analyze packet captures using Wireshark and other related technologies.

• Perform or participate in complex maintenance or deployment activities.

• Create or modify documentation in response to new events and learnings.

• Routinely provide constructive feedback for improvement opportunities

• Ability to coordinate and direct activities across multiple teams 

• Excellent customer focus and engagement skills 

• Ability to develop solutions within a complex operational environment 

• Excellent verbal and written communications skills

• Advanced knowledge of technical/business environment and problem determination strategies

• Develops and maintains standard operating procedure manual and processes used by the team

Additional Responsibilities.

1. Working experience in any public ( Azure, GCP, Oracle , Aws or others) or hybrid cloud
2. Experience on Cloud native or third party firewalls on cloud
3. Azure or AWS networking ( NSG, UDR,  VPC , VNET, Route63 and others)