Job description
Essential contributor to the development, documentation, and maintenance of South 8's Quality Management System (QMS), supporting quality assurance, supplier development, and production support efforts in the battery cell manufacturing space. Monitor production and supplier performance, analyzing data to drive continual improvement efforts and ensure quality cells are being delivered to a growing customer base. A strong work ethic, excellent attention to detail, and outstanding relationship building skills are required.
Description
Become a critical member of our fast-growing team working to develop breakthrough battery technology and change the way batteries are made and used worldwide to enable a greener future. In this position, you will be a critical part of our core team, helping take next-generation chemistries and packaging them into advanced battery cells.
We are looking for a skilled, dependable, and detail-oriented Quality Engineer II, to join our team in the Bay Park area of San Diego, CA. The candidate will draw from previous experience ideally in the battery cell industry. The ideal candidate will be driven, process and quality oriented, and able to work independently to support continuous cell production in a fast-growing organization.
Responsibilities
- Provide Quality support for product quality manufacturing issues ensuring compliance with applicable regulations/standards as well as providing sound technical guidance.
- Review Customer POs to identify applicable quality and regulatory requirements and coordinate with commercial team, engineering, and other stakeholders as needed to ensure compliance.
- Act as customer advocate, analyzing customer feedback, supporting complaint resolution and addressing specific customer quality requirements.
- Promote and facilitate continual improvement efforts. Collect and analyze data related to production quality and performance, communicating results and championing improvement activities.
- Perform defect investigation and troubleshooting. Oversee corrective actions to eliminate root cause of known issues and prevent recurrence.
- Monitor supplier performance and interface to support supplier quality efforts. Includes verification that supplier inspection and test processes are sufficient to ensure conformance with South 8 requirements.
- Issue and facilitate supplier corrective action requests (SCARs) as needed.
- Support new product introduction process, representing QA as needed, and ensuring voice of the customer is forefront to the process.
- Perform, promote, and maintain quality control processes ensuring quality products are shipped to customers.
- Plan, perform, and report results from internal and supplier audits as needed.
- Inspect and analyze battery hardware and cells in a laboratory setting, including inside of a glovebox, fume hood, and under magnification.
- Operation of various machines, custom equipment, gauges, and test instruments to identify and investigate failures in battery components and assembly.
- Develop, document, and follow applicable written procedures (Work Instructions, SOPs).
- Support other departments in development and improvement of ISO compliant processes for both current cell production and scaled-up future commercial activities.
- Follow protocols for safe handling of chemicals and hazardous materials.
- Maintain an organized and functional workspace with general duties.
- Other duties requested by the company.
- Deliver epic High Fives.
Requirements
- BS + 3-5 years experience working in a production and/or laboratory environment, preferably in batteries.
- Strong leadership, conflict resolution, and communication skills are crucial. Must be able to build relationships with various stakeholders, drive improvements, and work well within teams.
- Attention to detail with efficient and accurate data logging skills.
- Solid understanding and experience applying quality practices, metrics, and statistical analysis methods.
- Familiarity with measurement and inspection techniques and equipment.
- Knowledge of battery cell construction and electrochemical testing preferred.
- Experience with implementing automation initiatives preferred.
- Experience with ERP and MES systems. Experience with system implementation a plus.
- Experience managing and reporting on production data.
- Familiarity with chemical and hazardous material handling best practices.
- Familiarity with laboratory process equipment including pumps, valves, temperature and pressure measurement devices preferred.
- Ability to prioritize, multi-task, lift 35 lbs, and stand for extended periods of time.
- Dexterous - able to safely grasp, move, or assemble small objects.
- Proficiency in Microsoft Office products.
- An aptitude for learning new things and a keen eye for improving processes.
At the time of posting, the expected starting salary range for this role is $95,000 - $145,000. This is a salary exempt position. The actual pay depends on multiple individualized factors, including education, job-related knowledge, experience, and skills, which will be assessed during the interview process. The comprehensive compensation package for this position may also include other elements, such as health benefits, 401k, and company stock options. The base pay range and package is subject to change and may be modified in the future.
Pay & benefits
About this role
About South 8 Technologies
Company Overview
South 8 Technologies, Inc.
HeadquartersSan Diego, United States
Founded2015
SizeApproximately 50 employees ranged from 20 to 47 in recent years (source: linkedin.com, pitchbook.com). Total funding raised of about $51.8 million including grants (source: caplight.com).
What They Do
South 8 Technologies is a battery technology company specializing in the development and commercialization of LiGas®, a patented liquefied-gas electrolyte platform for lithium-ion batteries (source: south8.com). Their core innovation enables lithium-ion cells to operate reliably across an extreme temperature range from approximately -60°C to +60°C, significantly enhancing safety, fast-charging capabilities, and compatibility with existing battery manufacturing processes (source: linkedin.com). South 8’s technology targets demanding applications in defense, aerospace, electric vehicles, and specialty mobility markets, where harsh environmental conditions require robust battery performance (source: auvsi.org). Their product offerings include finished LiGas battery cells for defense and specialty markets, as well as a LiGas electrolyte and injection integration kit designed for cell manufacturers to incorporate into their production lines (source: south8.com). Additionally, South 8 provides research and engineering services focused on devices utilizing liquefied-gas electrolytes, positioning themselves as a key innovator solving the "fire and ice" challenge by combining wide temperature operation with improved safety and manufacturability (source: anzupartners.com).
Projects & Track Record
South 8 Technologies has established a growing track record with customers actively building prototype systems using LiGas cells manufactured in San Diego, with plans to expand cell-finishing capacity for specialty customers by 2026 and onsite Gigafactory integration targeted for 2028 (source: south8.com). Their technology has been publicly linked to defense and aerospace applications, including extreme cold-weather battery solutions designed for Arctic defense operations, demonstrating their focus on high-performance, mission-critical environments (source: auvsi.org). South 8’s LiGas platform also unlocks new possibilities in electrified transportation markets, broadening their impact beyond defense (source: south8.com). A notable partnership was announced in late 2025 with LG Energy Solution, marking LG’s entry into the aerospace battery sector through collaboration with South 8 (source: south8.com). In 2026, South 8 signed a letter of intent with 3ME Technology to jointly advance extreme cold-weather battery solutions for defense applications, further cementing their role in specialized battery innovation (source: south8.com). Earlier strategic investments from Lockheed Martin Ventures underscore the company’s strong ties to defense markets (source: sdbj.com).
Recent Developments
In December 2025, South 8 Technologies announced an $11 million follow-on funding round co-led by W. L. Gore & Associates’ venture arm and Lockheed Martin Ventures, aimed at accelerating commercialization of LiGas battery cells for aerospace and defense markets (source: south8.com). On April 2, 2026, the company executed a $9.2 million PowerForward Battery Manufacturing Grant Agreement to expand advanced battery manufacturing capabilities in San Diego, signaling a significant scale-up in production infrastructure (source: south8.com). The same day, South 8 and 3ME Technology formalized their collaboration through a letter of intent to develop battery solutions tailored for extreme cold-weather defense operations, reinforcing their strategic focus on harsh environment applications (source: auvsi.org). The company’s 2025 and 2026 news flow also highlights the LG Energy Solution aerospace partnership and ongoing efforts to build specialty production capacity in San Diego, supported by an expanding investor base and grant funding that extend their commercialization runway (source: south8.com).
Working There
South 8 Technologies offers roles primarily focused on battery chemistry, cell manufacturing, business development, strategy, and operations, reflecting the company’s specialized technology and growth stage (source: south8.com). Leadership positions include CEO, CSO, and VP of Strategy, indicating a structured executive team guiding innovation and commercialization efforts (source: south8.com). The company’s small-team environment, consistent with approximately 50 employees, is headquartered in San Diego and fosters close collaboration across departments (source: linkedin.com). Commercial and partnership-facing roles are also integral, as evidenced by the appointment of a Senior Business Development Manager in 2026, highlighting the importance of external stakeholder engagement with defense, aerospace, and battery manufacturing sectors (source: south8.com).
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