Security Researcher, Malware Focus at OpenDNS

  • Location:
    San Francisco, California, US
  • Area of Interest
    Engineer - Software
  • Job Type
  • Technology Interest
  • Job Id
What You'll Do
You are interested in disrupting the status quo and in massive data sets, large customer bases and solving hard problems. You will help identify and classify potential threats and malicious activity using OpenDNS' extensive data store generated by the DNS requests of our 50m+ users to OpenDNS's 22 global data centers. year-over-year usage growth. You want to help protect your family, friends, colleagues, local coffee shop, financial institution, health care provider, alma mater, and other people or companies from malware, fraud, phishing attacks, and inappropriate content--this is the career you were born for.
Who You'll Work With
OpenDNS (now part of Cisco) is a leading provider of network security and DNS services, enabling the world to connect to the Internet with confidence on any device, anywhere, anytime. We handle more than 80 billion daily Internet requests from 65 million+ users around the world. Our global network has proven reliability and adds no latency. We protect each and every one of our customers' devices globally without any hardware to install or software to maintain.
Who You Are
You are excited to use OpenDNS' vast data repository, in addition to tools and threat intelligence feeds provided by partners. You identify potential threats, patterns, and other malicious activity to protect our global customer base. You'll be working with team members and developers on creating innovative solutions through automation, research, and development.  You will be researching and implementing innovative classification techniques in the area of security and constructing prototype proof-of-concept classification models. You enjoy building and testing experiments for new methods / algorithms for large-scale classification and you excel at identifying malicious code, websites, network communications, and vulnerabilities through automation, manual analysis, and toolsets.  You are highly skilled in analyzing and reverse engineering of malicious code statically and behaviorally. You are able to create research papers, blogs, and (potentially) speaking publicly.
Our minimum requirements for this role: 
*	Masters degree or equivalent years in security trenches
*	Experience with data modeling, graph theory, or machine learning recommended
*	4 years minimum of real-world security experience
*	Strong understanding of the DNS and HTTP(S), how they function, and how they are used across the Internet
*	Strong knowledge of TCP/IP stack including TCP, UDP, and IP protocols and network traffic analysis
*	Strong understanding of malware communications, botnet architectures, exploit kit delivery techniques
*	Experience with malicious file and code analysis (dissecting PE features, looking at code flow in IDA, stepping through program execution with a debugger, examining system internals, analyzing obfuscated Javascript, Microsoft Office Macros, PDF exploits, etc.)
*	Experience tracking and investigating threats (cybercrime and targeted)
*	Experience at analyzing and mining very large data sets by using existing utilities and writing new tools if needed (i.e. hunting for evil)
*	Programming experience. Python and C/C++ preferred
*	Experience with at least one data storage/database system (preferably experience with relational and non-relational databases)
*	Working knowledge of incident response practices
*	Familiarity navigating and administering Unix systems
Why Cisco
We connect everything: people, processes, data, and things. We innovate everywhere, taking bold risks to shape the technologies that give us smart cities, connected cars, and handheld hospitals. And we do it in style with unique personalities who aren't afraid to change the way the world works, lives, plays and learns. 

We are thought leaders, tech geeks, pop culture aficionados, and we even have a few purple haired rock stars. We celebrate the creativity and diversity that fuels our innovation. We are dreamers and we are doers. 

We Are Cisco.

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