Principal Software Engineer (Onsite)

Date Posted: 2026-08-24 | Location: Richardson, TX (onsite) | U.S. citizenship and an active, transferable TS/SCI U.S. government security clearance are required prior to start.

About the Role

The Principal Software Engineer will help build and enhance a data fabric to support mission-critical GEOINT allocation and decision analytics. The role focuses on developing services and secure automation across the Data, Business Analytics, and Simulation layers while working in DevSecOps environments spanning multiple security domains. You will contribute to scalable cloud-native components, high-availability performance targets, and AI/ML-enabled workflows, collaborating with a team across multiple geographic sites.

Responsibilities

• Lead design and implementation of Python services supporting analytics, ETL pipelines, and semantic/knowledge-graph workflows.
• Develop secure CI/CD and DevSecOps automation, including containerized deployments and infrastructure-as-code.
• Provide senior technical guidance, coaching, and design reviews for teammates.
• Investigate and solve high-complexity issues across cloud-native systems, data-fabric components, and platform operations.
• Collaborate across Agile teams and contribute to program-wide engineering standards and guardrails.

Requirements

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and 8 years of relevant experience.
• Experience with Python development, including distributed systems or high-performance data workflows.
• Experience with DevSecOps tooling, CI/CD pipelines, automated testing, and build processes.
• Experience with Kubernetes/OpenShift and cloud-native microservices.
• Active and transferable TS/SCI U.S. government issued security clearance is required prior to start date.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Preferred Qualifications

• Experience with semantic data (RDF/SPARQL), ontology development, or knowledge-graph systems.
• Background in ETL for semantic stores, event-streaming technologies, or high-concurrency workloads.
• Experience in multi-team Agile environments.
• Strong communication and mentorship skills.
• Demonstrated ability to contribute to design initiatives, influence engineering decisions, and solve complex technical problems.

Benefits

• Medical, dental, vision, life insurance, short-term and long-term disability.
• 401(k) match.
• Flexible spending accounts.
• Flexible work schedules.
• Employee assistance program.
• Employee Scholar Program.
• Parental leave.
• Paid time off and holidays.
• Annual short-term and/or long-term incentive compensation programs (dependent on role level and business unit performance).
• Relocation assistance available.

Pay

The salary range for this role is $107,500 – $204,500 USD.