Custom Circuits Design Engineer – Advanced ASIC & Low-Power Silicon Design (Part Time)

Join arenaflex's Revolutionary Silicon Design Team

Are you ready to be part of something extraordinary? At arenaflex, we don't just build technology – we shape the future of computing. As a Custom Circuits Design Engineer, you'll be at the forefront of semiconductor innovation, transforming groundbreaking ideas into reality that impacts millions of users worldwide. This is your opportunity to design the silicon that powers the next generation of computing experiences.

In this part-time role, you'll join an elite silicon design group responsible for crafting cutting-edge Application-Specific Integrated Circuits (ASICs). Your work will contribute to creating chips that push the boundaries of performance and power efficiency, enabling devices that deliver unprecedented user experiences. This is a unique opportunity to work on complex, meaningful projects that challenge your engineering skills and expand your professional horizons.

What You'll Do

As an integral member of our silicon design team, you'll take creative and innovative ideas and determine how to bring them to life. You'll apply engineering fundamentals and start from scratch when necessary, turning imaginative concepts into tangible reality. Your contributions will be significant, often literally shaping the future of technology.

Key Responsibilities

• Design Advanced Custom Digital Megacells: Develop state-of-the-art SRAM memories, on-chip sensors, machine learning accelerators, and data path circuits for high-performance, low-power System-on-Chip (SOC) implementations


• Optimize Power Efficiency: Create custom circuits that dramatically improve chip power efficiency, extending battery life and reducing energy consumption across our product ecosystem


• Collaborate Cross-Functionally: Work closely with power teams, physical design (PD) engineers, and system architects to define specifications and requirements that meet demanding performance targets


• Execute Full Design Cycle: Perform design, analysis, modeling/simulation, circuit-level specifications, schematic capture, spice simulation/corner verification across PVT (Process, Voltage, Temperature), statistical design, functional verification, and silicon bring-up


• Layout Excellence: Partner closely with the layout team to complete designs and oversee layout quality, ensuring optimal circuit performance and manufacturability


• Drive Design Innovation: Originate and lead circuit methodologies to achieve the highest design quality metrics and push the boundaries of what's possible in silicon


• Silicon Debug & Analysis: Conduct experiments during silicon debug, manufacturing, and data analysis phases; utilize scripting to efficiently process ATE (Automatic Test Equipment) data

What We're Looking For

Essential Qualifications

• Educational Background: Bachelor's degree in Electrical Engineering, Computer Engineering, or related technical field


• Industry Experience: Minimum 3 years of relevant industry experience in semiconductor design


• Advanced Node Expertise: Design experience in cutting-edge technology nodes (advanced submicron processes)


• Low-Power Design Skills: Proven experience in low-voltage and low-power custom circuit design


• Technical Depth: Deep understanding of deep submicron device physics, leakage mechanisms, and technology interactions with device behavior


• Circuit Analysis: Strong comprehension of device matching, device noise sources (1/f, thermal), and external noise sources (supply, jitter), and their impact on high-precision circuits


• Programming Abilities: Proficiency in scripting languages (Python, Perl, or similar) and CAD automation tools


• Tool Knowledge: Familiarity with industry-standard circuit and design tools

Preferred Experience

Candidates with experience in one or more of the following areas will be highly preferred:

• Artificial Intelligence (AI) accelerators and machine learning hardware


• SRAM (Static Random-Access Memory) circuit design


• Non-volatile memories (NVM)


• Weak/moderate inversion circuits


• Ultra-low power amplifiers


• DC/DC converters


• Advanced on-chip sensors


• High-speed timing circuits


• Time-to-Digital Converters (TDCs)


• Asynchronous message verification and behavioral models for asynchronous message blocks

Why arenaflex?

Work-Life Balance & Flexibility

We understand that great engineering happens when talented people have the flexibility to balance their professional and personal lives. This part-time position offers:

• Flexible Hours: 8-hour workday with flexible scheduling to accommodate your lifestyle


• Remote-Friendly Environment: Work from our California offices or enjoy the benefits of remote collaboration


• Competitive Part-Time Compensation: Earn $26/hour while working on projects that matter

Career Growth & Learning Opportunities

At arenaflex, your career trajectory is limited only by your ambition. Here's what awaits you:

• Cutting-Edge Projects: Work on the most advanced semiconductor technologies in the industry


• Professional Development: Access to ongoing training, workshops, and conference opportunities


• Mentorship Programs: Learn from industry veterans and thought leaders in silicon design


• Cross-Functional Exposure: Collaborate with teams across hardware, software, and systems engineering


• Innovation Culture: Be encouraged to propose and pursue revolutionary ideas

Comprehensive Benefits

Even as a part-time employee, you'll enjoy competitive benefits including:

• Health and wellness programs


• Employee assistance programs


• Professional development reimbursement


• Access to state-of-the-art design tools and resources


• Collaborative team environments with cutting-edge lab facilities

Our Culture

Arenaflex is more than a technology company – we're a community of innovators, dreamers, and builders. We believe that the best ideas can come from anywhere, and we foster an environment where every voice matters. Our inclusive culture celebrates diversity and believes that different perspectives drive innovation.

When you join arenaflex, you're not just accepting a job – you're becoming part of a legacy. You'll help design the chips that power the devices people rely on every day. Your work will be featured in products used by millions, and your engineering contributions will shape the future of technology.

We maintain a collaborative, supportive environment where teamwork is celebrated, and individual contributions are recognized. Our engineers are encouraged to think boldly, challenge assumptions, and pursue excellence in everything they do.

Ready to Make Your Mark?

If you're passionate about semiconductor design, thrive on complex challenges, and want to work on technology that defines the future, we want to hear from you. This is a rare opportunity to join a team that's pushing the boundaries of what's possible in silicon design.

Imagine yourself at the center of our SOC design effort, collaborating across disciplines, making a critical impact, and playing an essential role in bringing innovative products to millions of customers quickly. You'll have the chance to coordinate and pioneer groundbreaking ideas while working with a team of dedicated engineers who share your passion for excellence.

arenaflex is an Equal Opportunity Employer that is committed to inclusion and diversity. We take positive action to offer employment and advancement opportunities to all candidates, including minorities, women, protected veterans, and individuals with disabilities. arenaflex will not discriminate or retaliate against candidates who inquire about, disclose, or discuss their compensation or that of other candidates.

Apply now and be part of the team that's building the future of technology, one chip at a time.