Senior Systems Software Engineer- Computer Engineer

Liberty Personnel Services, Inc. is seeking a highly skilled Senior Systems Software Engineer to develop and optimize core infrastructure components. The role involves designing, implementing, and maintaining low-level systems for high-performance applications while collaborating with cross-functional teams and mentoring junior engineers.

Responsibilities:

• Design and develop compilers to optimize code generation and performance for various architectures
• Build and enhance database internals, including storage engines, query optimization, and transaction management
• Contribute to operating system kernels, focusing on process management, memory allocation, file systems, and device drivers
• Collaborate with cross-functional teams to integrate systems-level improvements into larger software ecosystems
• Debug and optimize performance bottlenecks at the hardware-software interface
• Conduct code reviews, mentor junior engineers, and stay current with advancements in systems programming
• Ensure software reliability through rigorous testing, including unit, integration, and stress tests

Requirements:

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field (PhD preferred)
• 5+ years of experience in systems-level programming
• Proven expertise in C/C++, assembly language, and low-level debugging tools
• Strong understanding of computer architecture, including CPU, GPU, and memory hierarchies
• Experience with open-source contributions to projects like LLVM, PostgreSQL, or Linux kernel is a plus
• Excellent problem-solving skills and ability to work in a fast-paced environment
• Familiarity with distributed systems, virtualization (e.g., KVM, Docker), or real-time operating systems
• Knowledge of security practices at the kernel and compiler levels
• Experience with performance profiling tools like perf, Valgrind, or GDB