Security Analyst - Logic

Discover Financial Services - Riverwoods, IL (30+ days ago)4.0

The Discover Security Intelligence & Incident Response Team (SIIRT) is looking for qualified security analysts to join our ranks. Comprised of several sub-teams, Discover’s SIIRT group oversees all information security detection, response, and intelligence efforts for the enterprise.

SIIRT currently has an opening on one of our newest teams, SIIRT Logic, Design & Instrumentation (SIIRT-LDI). This highly specialized team of skilled analysts serves as experts in creating detective tools and logic for our Security Operations Center (SOC) and related enterprise teams. Our primary mission is to enable our analysts to efficiently find, triage, and analyze potential security incidents and related items of concern. To achieve these goals, we have a wide variety of tools, techniques, and datasets at our disposal. We utilize an innovative blend of commercial and home-grown solutions to ensure the best possible tools are deployed to meet our analysts’ needs.

As we continue to build out our detective tools and capabilities, we're looking for talented, self-motivated, and experienced professionals who have a strong passion for designing and deploying solutions to hunt down and identify anomalous and malicious activity. We're interested in people who enjoy being challenged on a daily basis to stay one step ahead of an ever-changing landscape of threats and adversaries. Whether you're a seasoned SOC analyst or a security engineer in search of a unique and exciting challenge, we're looking for new team members to join us in guarding our enterprise as the last and ultimate line of defense.

  • Building and maintaining custom security detection logic to analyze and correlate information to produce meaningful, actionable results
  • Tuning of rules, filters and policies for detection-related security technologies to improve accuracy and visibility
  • Creation of visualizations and telemetry to accurately depict operational status and increase situational awareness
  • Data mining of log sources to uncover anomalous activity, along with related items of interest
  • Maintaining documentation of tools, logic, policies, and procedures
  • Serving as a lead on team projects and providing guidance to more junior team members
  • Acting as a representative of the team for larger company projects and initiatives


Skills Required:
  • 1-3 years of experience in Information Security, preferably as a SOC analyst or security analyst/engineer in a related position
  • Prior experience detecting, analyzing and/or responding to security incidents
  • Prior experience developing custom SIEM rules
  • Experience with Endpoint Detection & Response Solutions
  • Experience with the Splunk Query Language (SPL)
  • Knowledge of common security threats, attack vectors, vulnerabilities and exploits
  • Working knowledge of common operating systems and basic endpoint security principles
  • Knowledge of common networking services and protocols
  • Exceptional organizational abilities and attention to detail
  • Experience in leading large-scale long-term projects
  • The ability to think creatively to find elegant solutions to complex problems
  • Excellent verbal and written communication skills
  • The desire to work both independently and collaboratively with a larger team
  • A willingness to be challenged along with a strong appetite for learning
  • Ability to participate in an on-call rotationPromote a risk-aware culture, ensure efficient and effective risk and compliance management practices by adhering to required standards and processes.

Skills Desired:
  • 5+ years of experience in Information Security, preferably as a SOC analyst or security analyst/engineer in a related position
  • Hands-on experience with common security technologies (SIEM, UEBA, IDS, Firewall, WAF, etc.)
  • Knowledge of OWASP, MITRE ATT&CK, and SANS Critical Controls
  • Previous experience with big data analytics (Splunk, Hadoop, ELK Stack, etc)
  • Experience with common computer forensic tools
  • Scripting experience (Python, Ruby, Javascript, Bash, PHP, Perl, Powershell, etc.)
  • Prior information security experience in a large-scale enterprise
Preferred Certifications:


We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.