Software Developer Job at Triwave Solutions (Austin)

Job Description

The Software Developer II performs advanced (senior-level) software development work focused on designing, building, testing, and optimizing Microsoft Sentinel capabilities for DSHS projects. This role is responsible for developing custom automation playbooks, analytics rules, behavioral models, connectors, and integrations to support SOAR and UEBA functionality. The position works under limited supervision with considerable latitude for initiative, independent judgment, and technical leadership.

Job Responsibility

Designs, develops, tests, and deploys Sentinel SOAR automation playbooks using Azure Logic Apps, Azure Functions, ARM templates, and REST APIs
Creates automated workflows for alert enrichment, triage, response actions, notification processes, and case management
Integrates Sentinel with third-party systems (EDR, IAM, ticketing systems, email gateways, firewalls, etc.) to automate security operations
Develops custom UEBA detection rules, anomaly models, ML-based behavior patterns, and advanced hunting queries (KQL)
Builds and maintains analytics content, data parsers, normalization rules, and entity behavior profiles
Evaluates behavioral anomalies and collaborates with cybersecurity teams to fine-tune detection logic
Designs and implements custom data connectors, ingestion pipelines, and data transformation logic
Creates dashboards, workbooks, hunting queries, and detection-as-code assets
Performs platform tuning to improve performance, reduce noise, and align to MITRE ATT&CK and Zero Trust principles
Develops supporting code modules, scripts, microservices, and helper APIs using Python, PowerShell, .NET, or similar languages
Works with DevOps pipelines, CI/CD processes, version control, and infrastructure-as-code where applicable
Writes technical design documents, SOPs, architecture diagrams, and automation runbooks
Collaborates with DSHS, HHSC CISO Office, and cross-functional stakeholders on requirements, testing, and deployment
Provides Tier III support for Sentinel engineering issues and participates in after-action reviews when needed

Requirements

Graduation from an accredited four-year college or university with major coursework in computer science, computer information systems, software engineering, cybersecurity, or a related field
Two (2) years of full-time experience in software development, cloud engineering, SIEM engineering, or cybersecurity engineering
Knowledge of Microsoft Sentinel architecture, SOAR, and UEBA capabilities
Knowledge of Azure cloud services, Logic Apps, Azure Functions, Event Hubs, Key Vault, and Azure AD
Knowledge of security operations processes (triage, threat detection, incident response, threat modeling)
Knowledge of MITRE ATT&CK, NIST CSF, Zero Trust Architecture concepts
Knowledge of programming and scripting languages (Python, PowerShell, KQL, C#, JavaScript, or equivalent)
Knowledge of CI/CD pipelines, DevOps practices, and Git-based version control
Knowledge of API integrations and JSON/YAML structures
Skills in building Logic App workflows and custom Sentinel automation playbooks
Skills in writing complex KQL queries for analytics, hunting, and behavioral detection
Skills in developing custom connectors, data maps, and parsers
Skills in designing and optimizing UEBA detection models
Skills in debugging SOAR workflows and resolving integration issues
Skills in communicating technical information clearly to both technical and non-technical audiences
Abilities to work independently and take ownership of complex development tasks
Abilities to translate security requirements into scalable technical solutions
Abilities to analyze threat behaviors and develop meaningful detections
Abilities to work collaboratively with cybersecurity, infrastructure, and application teams
Abilities to manage multiple work assignments and meet deadlines

Nice to have

Three (3) or more years of hands-on technical experience with Microsoft Sentinel
Experience developing UEBA models, anomaly detection rules, and behavior-based analytics
Experience building Security Automation Playbooks (SOAR)
Microsoft certifications such as: SC-200: Security Operations Analyst, AZ-900 / AZ-104, SC-100 / SC-300
Experience integrating Sentinel with EDR, IAM, firewalls, and ticketing systems
Experience with DevOps pipelines (GitHub, Azure DevOps)
Experience working in a government, healthcare, or regulatory environment

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