Senior Staff Software Engineer – AI/Security Platform

Cisco

. Design and build systems combining security-relevant data, detection signals, context, and foundation models to identify and predict active and emerging threats .

Posted 11/5/2026full-timeSan Jose • California • United StatesSenior💰 $214,100 - $309,800 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building AI-enhanced security systems, developing scalable backend services, and implementing data platforms for threat detection and prediction. Proficient in collaborating with cross-functional teams to create effective workflows and measurable success criteria.

Highest-signal resume keywords

AI-Enhanced Threat DetectionData Platform DevelopmentPython Backend ServicesSecurity Telemetry NormalizationSplunk API Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data LakesData WarehousesSecurity TelemetryAPIsAutomation WorkflowsAgent Systems DesignLarge Language ModelsGraph Neural NetworksThreat-Hunting SupportCorrelation Searches

Tools & Technologies

SplunkFAISSPineconeTDIRSIEM

Industry Keywords

Security Operations CenterSOC AnalystSecOps Workflow AutomationThreat DetectionAnomaly Prediction

Tech Stack

Tools & technologies

CloudPythonSplunk

About the role

Key responsibilities & impact

Design and build systems combining security-relevant data, detection signals, context, and foundation models to identify and predict active and emerging threats
Prototype and test AI features for decoding events and system environments and predicting anomalies and threats
Work with security SMEs and security researchers to validate real-world utility
Develop an AIDevOps pipeline for rapid experimentation with data, knowledge bases, models, and context memory
Define clear, measurable success criteria for evaluating iterations
Architect and build a distributed platform correlating trillions of events and signals into explainable findings and alerts
Build capabilities for triage resolution agents in the Agentic SOC
Collaborate with product and platform teams to co-design AI-enhanced threat detection and prediction workflows
Contribute to the core architecture for AI-native security operations and trusted enterprise automation at Splunk and Cisco

Requirements

What you’ll need

Bachelor's Degree with 12+ years of related experience or Master's with 8+ years of related experience
Experience with endpoint logs, network traffic, authentication events, or cloud audit trails and their use in detection and investigation workflows
Experience implementing data platforms and/or data lakes and warehouses
Experience building and maintaining pipelines for ingesting, parsing, and normalizing large-scale security telemetry
Experience building scalable backend services, APIs, and automation workflows in Python
Experience designing agent systems that perform coding tasks
Preferred: familiarity with TDIR/SIEM architectures, correlation searches, and threat-hunting support systems
Preferred: experience with Splunk APIs, internals, or Splunk platform development
Preferred: Tier 3 SOC analyst or equivalent background, SecOps workflow automation, and scalable detection infrastructure
Preferred: hands-on RAG and GraphRAG pipeline development with databases such as FAISS or Pinecone
Preferred: training workloads for large language models or GNNs, GCNs, and GATs
Preferred: shipped AI-powered features or products and understanding of usability, performance, and trust considerations
Preferred: designing experiments to evaluate model accuracy, usability, performance, and cost

Benefits

Comp & perks

Medical, dental and vision insurance
401(k) plan with a Cisco matching contribution
Paid parental leave
Short- and long-term disability coverage
Basic life insurance
Cisco restricted stock unit grants may be available, vesting following continued employment
10 paid holidays per full calendar year
1 floating holiday for non-exempt employees
Paid birthday day off
Paid year-end holiday shutdown
4 paid personal wellness days
16 days of paid vacation time per full calendar year for non-exempt employees
Flexible vacation time off program with no defined limit for eligible exempt employees
80 hours of sick time off provided on hire date and each January 1st thereafter
Up to 80 hours of unused sick time carried forward
Additional paid time away for critical or emergency family issues
Optional 10 paid volunteer days per full calendar year
Annual bonuses for non-sales roles, subject to Cisco policies
Performance-based incentive pay for sales-plan employees