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Cyber Defense Principal Security Engineer

2 months ago


JOHNSTON, United States Citizens Full time
Cyber Defense Principal Security Engineer

Citizens is seeking a highly skilled Cyber Defense Principal Security Engineer to join our team. As a key member of our Cybersecurity Operations team, you will be responsible for developing, maintaining, and troubleshooting security tool detections/rules used for detecting cyber-attacks, intrusions, and data loss incidents.

Key Responsibilities:
  • Develop and Maintain IDS/IPS Policies and Rules: Regularly review and update IDS/IPS policies and rules to ensure they are current and effective. Develop new detection rules based on emerging threats and intelligence.
  • Tune IDS/IPS Systems: Continuously optimize IDS/IPS configurations to minimize false positives and enhance detection accuracy. Conduct regular performance assessments and make necessary adjustments.
  • Develop Detections for SIEM and Other SOC Tools: Implement security use cases and transform them into correlation queries, templates, rules, and alerts across multiple cloud environments and on-premises technologies.
  • Create Technical Documentation: Document IDS/IPS configurations, tuning procedures, and any changes made to policies and rules. Ensure documentation is up-to-date and accessible to the team.
  • Monitor Security Tool Health and Performance: Ensure that IDS/IPS are functioning properly. Address any performance issues and coordinate with teams/vendors for support if necessary.
  • Integrate Cyber Threat Intelligence: Enhance IDS/IPS capabilities by integrating relevant threat intelligence feeds and indicators of compromise (IOCs).
  • Develop Reports and Dashboards: Create and maintain reports and dashboards that provide visibility into IDS/IPS activity and effectiveness.
  • Collaborate on SIEM Functional Requirements: Work with the SIEM team to ensure effective logging, event collection, normalization, correlation, reporting, and customization that supports IDS/IPS data.
  • Support Security Engineering Team: Assist in resolving complex technical issues related to IDS/IPS systems.
  • Mentor and Train Team Members: Provide guidance and training to junior team members on IDS/IPS best practices, rule creation, and tuning.
Requirements:
  • Expert Level Knowledge of Cybersecurity Operations: Excellent understanding of Cybersecurity Operations and Incident Response processes.
  • IDS/IPS Technologies: Expert level knowledge of IDS/IPS technologies (Cisco Firepower, Palo Alto, etc.).
  • Detection Creation/Tuning Concepts: Expert level knowledge of detection creation/tuning concepts and best practices.
  • Cloud Computing Platforms: Experience working with cloud computing platforms such as Amazon Web Services, Azure, etc.
  • Operating Systems: Solid understanding of various operating systems (Window, Unix, Linux, AIX, etc.).
  • Regular Expressions: Advanced ability to develop regular expressions.
  • Programming Languages: Advanced ability to automate tasks using a preferred language (e.g. Snort).
  • Communication Skills: Excellent oral and written communications skills.
  • Analytical Skills: Strong analytical skills.
  • Self-Motivation: Self-motivation with the ability to work under minimal supervision.
Preferred Skills:
  • 7 Years of Experience: 7 years of proven hands-on experience in IDS/IPS concepts.
  • SOC Technologies: Experience with SOC technologies such as SIEM, EDR, anti-virus, network-based threat detection, and netflow.
  • Enterprise Logging Standards: Strong understanding of enterprise logging standards.
  • Cyber Kill Chains: Understanding of cyber kill chains and campaign strategies such as MITRE ATT&CK.
  • APIs: Ability to interact with common APIs.
  • Team Collaboration: Proven successful working relationships with teams outside of Cybersecurity.
Education and Certifications:
  • Bachelor's Degree: Bachelor's Degree (Security / IT Related) or equivalent combination of experience.
  • Industry Certifications: A combination of relevant industry certifications including, but not limited to CISSP, GREM, GCIH, GCIA, CEH, GCED, CISA, etc.

Citizens offers a competitive salary range of $127,520 - $150,000 per year, plus an opportunity to earn an annual discretionary bonus. We also offer comprehensive medical, dental and vision coverage, retirement benefits, maternity/paternity leave, flexible work arrangements, education reimbursement, wellness programs and more. Note, Citizens' paid time off policy exceeds the mandatory, paid sick or paid time-away policy of very local and state jurisdiction in the United States. For an overview of our benefits, visit https://www.citizensbank.com/careers/benefits/

Citizens is an equal employment opportunity employer and welcomes applications from diverse candidates. We are committed to creating an inclusive and respectful work environment where everyone feels valued and empowered to contribute their best work.