Experienced Systems Software Engineer – AI Infrastructure & Platform Development (Entry Level Welcome)

About arenaflex

Welcome to arenaflex, where we're pioneering the future of artificial intelligence to benefit humanity. As a leading AI research and deployment organization, we're dedicated to building safe, powerful, and beneficial AI systems that transform how the world works, creates, and solves complex problems. Our mission centers on ensuring that general-purpose AI becomes a powerful tool for good—one that amplifies human capabilities, advances scientific discovery, and addresses humanity's greatest challenges.

At arenaflex, we believe that the future of AI should be shaped by diverse perspectives, inclusive voices, and collaborative innovation. Our team of world-class researchers, engineers, and problem-solvers work together in an environment that celebrates curiosity, technical excellence, and the relentless pursuit of breakthrough ideas. We push the boundaries of what AI systems can accomplish while maintaining an unwavering commitment to safety, ethics, and human-centered design.

Our headquarters is located in the heart of San Francisco, California—a vibrant hub of technological innovation and entrepreneurial spirit. We embrace a hybrid work model that combines the best of in-person collaboration with the flexibility of remote work, allowing our team members to thrive both professionally and personally.

Position Overview: Systems Software Engineer – AI Infrastructure

Are you passionate about building the foundational infrastructure that powers cutting-edge AI systems? Do you thrive in fast-paced, collaborative environments where your technical skills can make a real impact? If so, arenaflex has an exciting opportunity for you as a Systems Software Engineer focused on AI Infrastructure and Platform Development.

This role represents a unique chance to contribute to the technical foundation that enables our AI models to operate securely, efficiently, and at unprecedented scale. You'll be working at the intersection of systems engineering, distributed computing, and artificial intelligence—building the platforms that researchers and engineers rely on to push the boundaries of what's possible with AI technology.

We welcome candidates with varying levels of experience, including those just starting their careers in software engineering. If you have a strong foundation in programming, a passion for learning, and the drive to tackle complex technical challenges, we want to hear from you!

What You'll Do

As a Systems Software Engineer at arenaflex, you'll play a critical role in designing, building, and maintaining the infrastructure that powers our AI research and products. Your contributions will directly impact our ability to develop and deploy advanced AI systems safely and effectively.

• Infrastructure Design & Development: Architect, build, and maintain robust infrastructure environments that scale to meet the demands of cutting-edge AI research and production systems
• Performance Optimization: Continuously improve system performance through strategic optimization of resource allocation, networking, storage solutions, and computational efficiency
• Cross-Functional Collaboration: Work closely with researchers, data scientists, and fellow engineers to integrate your infrastructure work into our broader AI systems and support emerging research requirements
• System Reliability: Investigate, diagnose, and resolve any issues that arise, ensuring our infrastructure remains stable, reliable, and performant under varying workloads
• Innovation & Research Support: Stay current with emerging technologies and best practices in systems engineering, virtualization, and containerization to continuously enhance our infrastructure capabilities
• Documentation & Knowledge Sharing: Create and maintain comprehensive documentation for infrastructure systems, processes, and best practices to support team knowledge transfer

What We're Looking For

We're seeking talented individuals who bring strong technical foundations, a growth mindset, and a collaborative spirit to our team. While we value prior experience, we also recognize that exceptional candidates can come from diverse backgrounds and career paths. If you're enthusiastic about learning and contributing to AI infrastructure, we encourage you to apply.

Essential Qualifications:

• Educational Background: Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience)
• Programming Proficiency: Strong programming skills in Python, C/C++, or other relevant programming languages
• Systems Knowledge: Solid understanding of computer systems architecture, networking principles, and operating system concepts
• Technical Foundations: Familiarity with systems programming concepts, with interest in virtualization, containerization, and sandboxing technologies
• Problem-Solving Abilities: Strong analytical skills to diagnose and resolve complex technical issues efficiently
• Communication Skills: Excellent written and verbal communication skills to collaborate effectively across teams
• Learning Agility: Proactive approach to gaining new knowledge and skills necessary to accomplish objectives

Preferred Qualifications:

• Hands-on experience with containerization technologies such as Docker
• Familiarity with container orchestration platforms like Kubernetes
• Experience with virtualization technologies including VirtualBox or similar solutions
• Knowledge of distributed systems architecture and design patterns
• Understanding of cloud computing platforms and services
• Experience working in fast-paced, research-oriented technical environments

Skills & Competencies That Drive Success

Beyond technical qualifications, we value candidates who demonstrate:

• Ownership Mindset: Take responsibility for projects from inception through completion, demonstrating accountability and initiative
• Team Player Attitude: Collaborate effectively with colleagues across different disciplines, contributing to shared goals and celebrating collective successes
• Adaptability: Thrive in dynamic environments where priorities may shift and new challenges emerge regularly
• Attention to Detail: Maintain high standards of quality in code, documentation, and system design
• Innovation Mindset: Propose creative solutions and improvements to existing systems and processes
• Safety-Conscious Thinking: Prioritize security, reliability, and responsible AI development in all technical decisions

Career Growth & Development Opportunities

At arenaflex, your career development is our priority. We invest heavily in helping our team members grow both technically and professionally. As a Systems Software Engineer, you'll have access to:

• Technical Mentorship: Work alongside experienced engineers and researchers who will guide your professional growth
• Learning Resources: Access to cutting-edge research papers, technical workshops, and professional development opportunities
• Career Advancement: Clear pathways for progression into senior technical roles, specialized domains, or leadership positions
• Cross-Functional Exposure: Opportunities to work on diverse projects spanning research, product development, and infrastructure
• Industry-Leading Projects: The chance to contribute to AI systems that are shaping the future of technology globally

We believe in promoting from within and supporting our team members as they expand their skills and take on new challenges. Your career trajectory at arenaflex limited only by your ambition and dedication to excellence.

Work Environment & Culture

arenaflex offers a unique work environment that combines the best aspects of collaborative innovation with flexibility and work-life balance. Here's what you can expect:

• Hybrid Work Model: Enjoy the flexibility of remote work combined with the benefits of in-person collaboration. Our hybrid approach includes 3 days in the office each week, fostering team connection while maintaining work-life flexibility
• Relocation Support: For new team members joining us from outside the Bay Area, we offer comprehensive relocation assistance to make your transition smooth and stress-free
• Innovation Culture: Work in an environment that encourages experimentation, creative thinking, and pushing the boundaries of what's possible
• Inclusive Community: Join a diverse team that values different perspectives, backgrounds, and experiences
• Work-Life Balance: We believe in sustainable productivity and offer flexible arrangements to support your wellbeing

Our office in San Francisco provides state-of-the-art facilities designed to foster creativity, collaboration, and comfort. You'll find spaces for focused work, team meetings, and informal gatherings—all within a modern, inspiring environment.

Compensation & Benefits

arenaflex is committed to providing competitive compensation and comprehensive benefits that support our team members' wellbeing and financial security. We offer:

• Competitive Salary: $26 per hour ($54,080 annually) with opportunities for growth based on performance and experience
• Equity & Stock Options: Generous equity participation, allowing you to share in arenaflex's long-term success
• Health & Wellness:
  • Comprehensive medical, dental, and vision coverage for you and your family
  • Mental health support and wellness resources
  • Annual wellness stipend
• Financial Security:
  • 401(k) retirement plan with 4% company matching
  • Life and disability insurance
• Time Off:
  • Unlimited paid time off (PTO) policy
  • 18+ company-sponsored events and celebrations annually
  • 20 weeks of paid parental leave for new parents
  • Family planning support and resources

We continually review and enhance our benefits package to ensure it meets the evolving needs of our team members.

Why Join arenaflex?

By joining arenaflex, you become part of a mission that's bigger than any individual project or product. We believe that artificial intelligence represents one of the most transformative technologies in human history—one that has the potential to help people solve monumental global challenges, accelerate scientific discovery, and improve lives around the world.

Our commitment to beneficial AI extends beyond our technical work. We strive to build a company culture where every team member feels valued, included, and empowered to contribute their best ideas. We believe that the best AI systems are built by diverse teams with diverse perspectives, and we're committed to creating that diversity at arenaflex.

If you're excited about the possibility of working on technology that could reshape the future, if you're passionate about building reliable and scalable systems, and if you want to grow your career alongside talented colleagues in a supportive environment, then arenaflex is the place for you.

How to Apply

Ready to take the next step in your career? We can't wait to learn more about you and your potential contributions to arenaflex.

To apply, simply click the link below to complete our candidate registration and application process. Our hiring team will review your qualifications and reach out if your background aligns with what we're looking for. We encourage you to apply even if you don't meet every single qualification—we're interested in finding exceptional talent with the right mindset and growth potential.

Join us in shaping the future of AI. Together, we can build technology that benefits all of humanity.

arenaflex is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.