American Express Careers

Sr Info Security Analyst- Cyber Hunter

Phoenix, Arizona
Digital Commerce Technology

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Job Description

American Express’s Advanced Cyber Hunting team works in collaboration with other information security teams to secure American Express' network in order to protect American Express and our customers. We are responsible for identifying, investigating, and reporting on various network security events, including: APT hunting, malware investigations, and improper usage. American Express threat hunters must proactively generate ideas for ways to find malicious activity in the network and then develop and execute a hunt plan and thoroughly investigate any results.
Once an investigation has been performed the Advanced Cyber Hunting team works with the other information security teams to prevent future incidents, improve the speed of detection, and reduce the time required to perform a thorough investigation.
Has a working knowledge of the following tools:

  • IPS
  • HIPS
  • Web Proxy
  • Open Source Intelligence
  • Packet Captures
  • Memory Analysis
  • Syslog from servers and network devices
  • DHCP, AD, 802.1x, NAT, and VPN logs
  • Passive DNS
  • Deep packet inspection
  • SIEM/Log Management systems
  • Encase/FTK/NetWitness


A successful candidate is one who can demonstrate a history of:
  • 6 years experience working in cyber investigations, computer forensics, financial fraud investigations and/or other IT related fields tied to information security
  • Understanding the importance of information security from a business context
  • Perform security event analysis and make recommendations
  • Lead and mentor technical team on security incident response activities
  • Is actively engaged in and contributing to the Information Security industry and best practices (e.g. understands industry best practices in security operations; attends/speaks at industry conferences; participates in local networking with other InfoSec professionals; stays current on industry trends)
  • Produces quality documentation/ investigation reports (e.g. document design, workflow improvement, standard operational procedures, development of incident playbook)
  • Coordinates with other team members/teams  to resolve issues encountered during investigations,
  • Communicates status of investigations (e.g. report on progress against technical plan; timely escalation of issues and risks; ability to explain technical solutions to a non-technical audience)
  • Self motivated to creatively find and investigate security events
  • Expert knowledge of the Linux and Windows platforms
  • Familiar with the latest malicious software trends, including experience with exploits and malware
  • Has in-depth knowledge and understanding of OWASP Top 10
  • Demonstrate (via work experience) the ability to follow frameworks to ensure comprehensive investigations
  • Ability to creatively solve complex problems
  • Experience with programming/scripting languages (python, lua, perl, powershell)
  • Experience working under pressure
  • Willing to work off-hours and accommodate rotational on-call work

Employment eligibility to work with American Express in the U.S. is required as the company will not pursue visa sponsorship for these positions.


ReqID: 18004025
Schedule (Full-Time/Part-Time): Full-time
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