Job Specifications
Position Title: Senior Software Developer – Microsoft Sentinel (SOAR & UEBA)
Location: Austin, TX (Onsite)
Clearance Requirements: None
Position Status: Contract (10 months, likely extension)
Pay Rate: $80 per hour on C2C
Position Description:
A public sector organization in Austin, Texas is seeking a Senior Software Developer with deep expertise in Microsoft Sentinel, SOAR automation, and UEBA analytics to support high-impact cybersecurity initiatives. This role focuses on the engineering, automation, and optimization of Microsoft Sentinel capabilities to strengthen security operations, threat detection, and incident response.
This is an onsite role that offers the opportunity to work on complex, mission-critical security systems in a regulated environment. The ideal candidate is a hands-on technical expert who thrives in advanced SIEM engineering, security automation, and behavioral analytics, while also providing technical leadership and collaboration across cybersecurity teams.
Key Responsibilities:
Microsoft Sentinel SOAR Development
Design, develop, test, and deploy SOAR automation playbooks using Azure Logic Apps, Azure Functions, ARM templates, and REST APIs
Build automated workflows for alert enrichment, incident triage, response actions, notifications, and case management
Integrate Microsoft Sentinel with EDR platforms, IAM systems, ticketing tools, email gateways, and firewalls
UEBA & Analytics Engineering
Develop UEBA detection rules, anomaly detection models, and behavior-based analytics using KQL
Create and maintain analytics rules, parsers, normalization logic, and entity behavior profiles
Collaborate with cybersecurity teams to tune detections and reduce false positives
SIEM Content & Platform Engineering
Design and implement custom data connectors, ingestion pipelines, and data transformations
Build dashboards, workbooks, hunting queries, and detection-as-code assets
Tune Sentinel for performance, alert quality, and alignment with MITRE ATT&CK and Zero Trust principles
Application Development & Integration
Develop supporting scripts, APIs, and microservices using Python, PowerShell, .NET, or similar languages
Work with DevOps pipelines, CI/CD processes, GitHub, and Azure DevOps
Documentation & Collaboration
Produce technical documentation, architecture diagrams, automation runbooks, and SOPs
Partner with cybersecurity leadership and cross-functional teams on requirements, testing, and deployments
Provide Tier III support and participate in incident reviews as needed
Required Skills / Education:
Bachelor’s degree in Computer Science, Information Systems, Software Engineering, Cybersecurity, or a related field
3+ years of hands-on Microsoft Sentinel engineering experience
1+ year of experience building SOAR automation playbooks
1+ year of experience developing UEBA models and behavioral analytics
Strong experience with KQL, SIEM analytics, and threat detection engineering
Experience integrating Sentinel with EDR, IAM, firewalls, and ticketing systems
Proficiency with Azure services, DevOps pipelines, and version control tools
Experience working in government, healthcare, or other regulated environments
Exposure to or pursuit of Microsoft certifications such as SC-200, AZ-900, AZ-104, SC-300, or SC-100
About Seneca Resources
At Seneca Resources, we are more than just a staffing and consulting firm—we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.
When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team that advocates for you every step of the way.
Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.