Overview of the Role

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

Role Overview

The SIEM Content Developer is a senior-level cybersecurity professional responsible for designing, implementing, and maintaining high-fidelity SIEM detection and monitoring content. This role translates security requirements, threat intelligence, and incident response playbooks into effective detective controls that enable accurate, timely detection and response to cyber threats.

The position plays a critical role in executing Information Security directives by delivering scalable, reliable, and risk-aligned detection capabilities in accordance with Citi’s Data Security Policy.

Key Responsibilities

SIEM Detection Engineering

• Lead the design, development, testing, deployment, tuning, and optimization of advanced SIEM content within Splunk Enterprise Security.

• Develop and maintain correlation rules, alerts, dashboards, and reports that proactively identify and prioritize security threats for SOC investigation and response.

• Translate threat intelligence, incident response playbooks, and common attack techniques into robust Splunk ES use cases aligned to frameworks such as MITRE ATT&CK and NIST.

Content Quality & Optimization

• Identify and remediate false positives, false negatives, logic gaps, data dependencies, and other quality issues in SIEM content.

• Analyze and enhance SPL queries, detection logic, enrichment logic, macros, lookups, and supporting artifacts to improve accuracy, reliability, and maintainability.

• Perform root-cause analysis of detection gaps and alert fidelity issues, assess risk, and implement corrective actions.

Data & Platform Enablement

• Optimize data onboarding, parsing, normalization, event processing, data models, and data quality to ensure effective security monitoring.

• Support Splunk administration activities (e.g., app configuration, performance tuning) as needed to enable detection engineering objectives.

Automation & Process Improvement

• Identify opportunities to automate and standardize detection engineering workflows, content lifecycle management, and security controls.

• Review and validate automated testing results, prioritizing remediation based on risk, detection coverage, and operational impact.

Collaboration, Risk & Governance

• Partner with security operations, engineering, and business stakeholders to deliver secure, scalable detection solutions.

• Assess and manage risk in alignment with regulatory expectations, Citi policies, and ethical standards.

• Escalate and report control issues transparently while safeguarding Citi, its clients, and assets.

Qualifications

Experience & Technical Skills

• 6–10 years of progressive experience in information security, with deep focus on SIEM and detection engineering.

• Expert-level experience with Splunk Enterprise and Splunk Enterprise Security, including:

• Advanced SPL development

• Correlation searches and alert tuning

• Dashboards, reports, and data models

• Detection performance and content optimization

• Proven experience building advanced threat detection use cases, including insider threat, malware, APTs, and cloud security.

• Strong understanding of security frameworks, adversary tactics, and detection mapping (MITRE ATT&CK, NIST).

Additional Qualifications

• Hands-on experience supporting Splunk administration and data onboarding in a security context.

• Strong analytical, problem‑solving, and communication skills.

• Demonstrated ability to influence stakeholders and manage cross‑functional relationships.

• Scripting experience (e.g., Python) for automation, enrichment, or API integrations is a strong plus.

• Splunk certifications (Enterprise Admin, ES Certified Admin) preferred but not required.

• Proficiency with Microsoft Office tools.

Job Family Group:

Technology

Job Family:

Information Security:

Time Type:

Full time

Primary Location:

Irving Texas United States:

Primary Location Full Time Salary Range:

$125,760.00 - $188,640.00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Anticipated Posting Close Date:

Apr 28, 2026

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.