Production Supervisor (Battery Assembly)

Tadiran Primary Lithium (LiSOCl₂ / PulsesPlus™)

EVS Supply | Richardson, TX (DFW)

If you’re the kind of leader who builds every product with the expectation that it will be opened a decade from now and work flawlessly, this role is for you.

At EVS, we don’t do “good enough.” We build custom battery packs that power mission-critical applications across industries where failure isn’t an option. As a long-standing battery innovator with U.S.-based manufacturing, ISO 9001:2015 certification, and a reputation built on integrity and exceptional service, EVS is where “precision” and “people” matter equally. [evssupply.com]

This position is a true process-guardian role: you’ll oversee the end-to-end production of custom packs using Tadiran primary lithium cells, including Lithium Thionyl Chloride (LiSOCl₂) and PulsesPlus™ configurations, where safety discipline, traceability, and craftsmanship are non-negotiable.

What You’ll Do (Core Responsibilities)

Precision Assembly Oversight

• Supervise the integration of Tadiran primary lithium cells into custom housings and assemblies.
• Lead teams performing precision resistance spot welding, soldering, wiring harness installation, and PCB/protection circuit integration to exact build specs.

Thermal & Voltage Testing (EOL Ownership)

• Oversee End-of-Line (EOL) testing workflows, including open-circuit voltage (OCV) checks and load testing.
• Ensure builds align with expected discharge behavior and performance requirements for high reliability use cases.

Hazardous Material & Safety-Critical Handling

• Enforce strict protocols for storage, handling, and disposition of LiSOCl₂ (Lithium Thionyl Chloride) cells to prevent leakage, thermal events, or unsafe exposure.
• Champion a safety-first culture where the right response is always: pause, assess, contain, document, correct.

ESD Discipline & Electronics Protection

• Maintain a rigorous ESD-controlled environment to protect sensitive PCMs, fuel gauge ICs, and other electronics.
• Train and verify operator compliance (wrist straps, workstation checks, grounded tooling, material flow).

Traceability & Documentation

• Own “lot tracking” discipline: ensure every pack can be traced back to its cell lot/batch, process steps, and verification records, supporting quality audits, warranty analysis, and safety reviews.

What You Bring (Technical Qualifications)

• Strong understanding of series/parallel battery configurations and primary lithium behavior (including high-pulse architectures and pack-level risk controls).
• Hands-on familiarity with production tools such as battery cyclers, automated spot welders, and precision measurement equipment (e.g., multimeters).
• Working knowledge of relevant compliance standards:
• UN 38.3 (lithium battery transportation testing)
• UL 1642 and IEC 62133 (cell/battery safety standards)
• Comfort operating in quality environments aligned to IPC-A-610 workmanship expectations.

Bonus points if you’ve worked with pulse-current management, hybrid layer capacitors (HLCs), passivation/voltage delay behavior, and long-shelf-life build controls.

Safety & Environmental Requirements (Non-Negotiables)

• Demonstrated capability in spill/fire response protocols appropriate to lithium battery environments (including Class D suppression considerations and gas-release awareness).
• Ability to lead production in climate-controlled conditions (humidity/temperature discipline to support shelf life and stability).
• Consistent enforcement mindset: safety controls are not “guidelines”—they are the process.

Life at EVS (Culture You Can Feel)

At EVS, people come first—and so does doing the job right.

We were built on a foundation of integrity, “unbeatable service,” and a commitment to delivering the highest quality products—values that still guide how we work and how we treat customers and each other.

We’re a team of knowledgeable professionals who partner closely with customers from design and prototyping through delivery—because outcomes matter.

We’re also proud to be a trusted name in the battery industry: EVS Supply is the one of the premier value-add distributors of Tadiran Batteries in North America, and we operate with disciplined quality systems including ISO 9001:2015 and ITAR registration. [evssupply.com]

If you want a workplace where excellence is expected, quality is respected, and leadership means protecting both people and product, you’ll fit right in.

(And yes — our purpose is bigger than production: our mission is “to empower a brighter future by providing innovative energy solutions and exceptional service.”) [evssupply.com]

Who Thrives Here

You’ll love this role if you:

• Have a “surgical mindset”, methodical, disciplined, and calm under pressure.
• Take pride in building systems that must perform for years in the field.
• Can lead teams with clarity and respect while holding the line on safety and workmanship.
• Understand that in primary lithium assembly, one shortcut today can become a failure a decade from now.

Apply

Bring your technical leadership, your safety-first backbone, and your pride in precision.
Apply now to help EVS build the custom power solutions customers trust when the stakes are highest.

Pay: $70,000.00 - $75,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Employee assistance program
• Flexible spending account
• Health insurance
• Life insurance
• Paid time off
• Vision insurance

Application Question(s):

• Describe your experience, including number of years, * Strong understanding of series/parallel battery configurations and primary lithium behavior (including high-pulse architectures and pack-level risk controls).
• Describe your experience, including number of years, familiarity with production tools such as battery cyclers, automated spot welders, and precision measurement equipment (e.g., multimeters).
• Describe your knowledge of: o UN 38.3 (lithium battery transportation testing)

o UL 1642 and IEC 62133 (cell/battery safety standards)

• Please list any of the following you have experience in: pulse-current management, hybrid layer capacitors (HLCs), passivation/voltage delay behavior, and long-shelf-life build controls
• Please describe your detailed experience with the following: capability in spill/fire response protocols appropriate to lithium battery environments (including Class D suppression considerations and gas-release awareness).
• What is your experience and years in leading production in climate-controlled conditions (humidity/temperature discipline to support shelf life and stability).
• Please list any relevant degrees or certifications.

Work Location: In person

Salary : $70,000 - $75,000