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Senior Software Engineer, Splunk

Capital One

$144,200 - $181,000
Sep 11, 2025
Riverwoods, IL, US
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Capital One is seeking Back End Software Engineers to solve complex business problems by leveraging data with emerging technologies, specifically focusing on driving a major transformation within the company through Splunk.

Requirements

  • 4+ years of hands-on experience with Splunk development, including dashboard creation, query optimization, and alerting.
  • Strong proficiency in SPL (Search Processing Language) and familiarity with Splunk Enterprise Security or ITSI.
  • Experience integrating data from various sources (e.g., syslog, APIs, cloud services) into Splunk.
  • Knowledge of scripting languages such as Python, Bash, or PowerShell for data manipulation and automation.
  • Familiarity with log management and observability tools beyond Splunk (e.g., ELK stack, Grafana, Prometheus).
  • Understanding of security and compliance requirements in logging and monitoring.

Responsibilities

  • Develop and maintain Splunk dashboards, queries, and alerts to monitor system performance, application health, and security events.
  • Work with stakeholders to gather requirements and translate them into effective Splunk visualizations and reports.
  • Optimize and troubleshoot existing Splunk configurations to improve performance and usability.
  • Integrate data sources into Splunk using forwarders, APIs, and custom scripts.
  • Support incident response and root cause analysis by providing relevant Splunk data and insights.
  • Collaborate with DevOps, Security, and Infrastructure teams to ensure comprehensive logging and monitoring coverage.
  • Stay current with Splunk best practices, new features, and industry trends to continuously improve our observability capabilities.

Other

  • At least 3 years of professional software engineering experience (Internship experience does not apply)
  • Ability to work independently and collaboratively in a fast-paced, agile environment.
  • Strong analytical and problem-solving skills with attention to detail.
  • Excellent communication skills to translate technical findings into business-relevant insights.
  • At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position.