Network Security Engineer

Job Description

We are looking to grow the team to expand our support reach globally

We interface with nearly everyone within the company to assist with network issues, security policy implementation, and/or general network troubleshooting

We are primarily based out of the San Jose office and are looking forward to growing the team further

Responsibilities:

Responsible for overall support and implementation of Yahoos Network infrastructure

Develops customized network solutions and systems for varied Yahoo products to include capacity planning and modelling, network performance analysis, network security and network configurations leveraging varied network technologies such as routing, switching, load balancing, metro networks, dark fiber networks, transport backbone network, vpn and encryption technologies, voice over ip

Work with internal and external customers to gather requirements, provide guidance and network security design support

Maintain/build/deploy network security policies (otherwise known as access-lists, or ACLs) across multiple networking platforms (Juniper/Cisco/Juniper SRX/Palo Alto Networks/etc,)

As part of a 24/7 oncall rotation:

Engineers are expected to respond/triage the alerts and take necessary actions to stop or divert the attack and protect Yahoo assets (DDOS Monitoring [IP, ICMP, TCP, UDP])

Respond to escalations, tickets, and alerts from NOC and Helpdesk issued to network security in a timely manner

Provide incident resolution information and work with other teams to complete impact analysis where appropriate

Independently lead and manage high visibility projects end-to-end with aggressive deadlines

Mentor and lead with confidence and consistency

Qualifications:

Firewall technologies and VPNs (Remote Access VPNs, Site to Site VPNs, IPSEC VPN’s)

Experience with a variety of devices types in Juniper/Cisco/Palo Alto Networks firewall,router & switches is required

Strong understanding of Network DDoS and other types of network integrity attacks and resolution techniques

Strong understanding of network technologies/protocols

(VRRP, BGP, ISIS, OSPF, IPSEC, etc,)

Working with centralized authentication systems (TACACS, Radius)

Network security fundamentals (Transitive trust, Security policies, and encryption)

Knowledge of network programming //automation utilizing Perl, Python, GO, etc, Continuous integration // continuous development is a plus

Excellent documentation, communication, and problem resolution skills

Bachelor’s or Masters degree in Computer Science preferred

YoE: Network/Network Security/DevOps: 5-7 years

Good to have:

Apply probabilistic, machine learning and data mining techniques to engineer production software to improve infrastructure scalability, efficiency as well as end user experience

Working experience with at least one Public Cloud platforms

TLS Encryption

Work Schedule:

The role requires flexibility to work in US shifts (night shifts or late evening hours as per US time zones) to ensure alignment with global teams

Yahoo is proud to be an equal opportunity workplace

All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category

Yahoo is dedicated to providing an accessible environment for all candidates during the application process and for employees during their employment