Senior Mission Systems Software Engineer; C++​/C#​/Rust

Job Title: Senior Mission Systems Software Engineer (C++/C#/Rust)

Location: Fort Worth, Texas
Type: Contract To Hire
Contractor Work Model: Onsite
Hours: 40 hours per week
Security Clearance: Active Secret required

We are seeking a Senior Software Engineer to support advanced mission systems in a secure, high-performance environment. This role is focused on designing and building distributed data architectures, automated pipelines, and AI/ML-enabled capabilities that power real-time sensing, tracking, and decision support. The ideal candidate has hands-on experience developing in C++, C#, or Rust and excels at translating complex system requirements into scalable, production-ready solutions.

• Define and implement architectures for automated systems and big-data ecosystems
• Develop automated data pipelines; perform data transformation, aggregation, and anomaly detection
• Architect and deliver local, distributed, and cloud-based data solutions
• Translate stakeholder needs into technical architectures, design specifications, and execution plans
• Design technical standards across software, hardware, tools, and data platforms
• Implement proof-of-concept prototypes to validate design approaches
• Participate in design reviews and ensure compliance with engineering standards and cybersecurity controls
• Integrate AI/ML models into operational data flows
• Support test planning, system integration, and formal qualification events

• Bachelor’s degree in Computer Science, Computer Engineering, Systems Engineering, or related STEM field
• 5+ years of software engineering experience with C# or C++, OR 2+ years of experience with Rust
• Active Secret clearance
• U.S. citizenship or U.S. lawful permanent residency with ability to obtain program access

• 5+ years designing and implementing distributed systems (e.g., shared memory, gRPC, sockets, REST)
• 2+ years working with big-data tools (Hadoop, Iceberg, Impala, Trino) or high-volume data pipelines (S3, SeaweedFS, MinIO)
• Strong experience with Python and core engineering principles:
• Object-oriented programming (OOP)
• Data-oriented design (Rust)
• APIs, design patterns, clean architecture, and test-driven development
• Familiarity with airborne sensing and tracking systems (radar, electronic warfare, electro-optical)

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, and local law.