Senior Battery Systems Engineer, Mechanical & Pack Design

Senior Battery Systems Engineer, Mechanical & Pack Design Anduril Software Engineering, Design Costa Mesa, CA, USA USD 132k-213k / year + Equity Posted on Nov 18, 2025 Apply now Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.

ABOUT THE JOB

Anduril is seeking an experienced Systems Engineer with expertise in energy storage subsystem development. Looking for a self-starter with technical experience in defense, aerospace, industrial or electrification industries to apply their skills to meet Anduril's unique set of challenges. This individual will be responsible for energy storage development and systems engineering, from concept to production, while ensuring alignment with strategic business goals supporting the AD&S team. The engineer could also be involved in managing key vendor relationships, and ensuring performance and reliability in our cutting-edge technologies.

WHAT YOU'LL DO

Drive end-to-end energy storage system (ESS) development on extremely accelerated timelines Take ownership to ensure successful battery pack delivery.

Ex:

meet cost targets, quickly identify and resolve reliability issues, support DFM to achieve reliable and low-cost manufacturing, etc. Serve as main interface between Core Battery Group and internal customers (Anduril product teams) to maintain positive and collaborative relationship Execute and/or deliver on the following ESS development steps: Collaborate with program teams to define actionable ESS requirements from user story/CONOPs Drive battery cell selection with accelerated de-risk/validation Collaborate with mechanical engineers to deliver battery design revisions, including scaled "mini" modules, prototype modules, prototype packs, and A- B- and C-sample production packs and define the level of maturity required at each step Collaborate with manufacturing engineering to ramp from proto pack revisions to production units, while ensuring adequate validation and reliability verification with tools like DFMEAs Hands-on support of battery bring-up, test, debug, and vehicle integration Sustain fielded ESSs with root cause analysis and data processing to drive countermeasures/design updates as needed

REQUIRED QUALIFICATIONS

Bachelor's Degree in Electrical Engineering, Mechanical Engineering, Manufacturing Engineering, or fundamental Physical Sciences with applied application focus on energy storage technologies, with 5+ years of experience designing, testing, and troubleshooting energy storage systems Demonstrated delivery of one or more energy storage systems from prototype to production Meaningful support and contributions to battery pack manufacturing in LRiP and beyond Past ownership of battery pack design and prototype assembly Demonstrated experience in delivering robust, high-performance, energy storage systems with substantial technical ownership/contributions Professional awareness of: 1) Battery management system (BMS) electrical design 2) BMS algorithms and SW functionality 3) BMS validation against operational requirements Professional awareness of: 1) Battery cell characterization methods: mission profile validation, equivalent-circuit model characterization, cycle/calendar life assessment, safety features, etc. 2) Battery cell or pack modeling/simulation in Matlab or Simulink Basic capabilities and understanding of CAD tools (CATIA, NX, Solidworks) Understanding of

UN38.3, NAVSEA

S9310 and/or equivalent (UL, IEC) battery safety standards Must be a U.S. Person due to required access to U.S. export controlled information or facilities

PREFERRED QUALIFICATIONS

Graduate Degree in Electrical Engineering, Mechanical Engineering, Manuacturing Engineering, or fundamental Physical Sciences with a focus on energy storage technologies Understanding and familiarity with

MIL-STD-882, MIL-STD-810, MIL-STD-704, MIL-STD-461, MIL-STD-464

Advanced experience designing battery pack components and sub-assemblies with CAD tools Advanced expertise with: 1) Battery management system (BMS) electrical design 2) BMS algorithms and SW functionality 3) BMS validation against operational requirements Advanced expertise with: 1) Battery cell characterization methods: mission profile validation, equivalent-circuit model characterization, cycle/calendar life assessment, safety features, etc. 2) Battery cell or pack modelling/simulation in Matlab or Simulink US Salary Range $132,000 — $213,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including:

Healthcare Benefits US Roles:

Comprehensive medical, dental, and vision plans at little to no cost to you.

UK & AUS

Roles:

We cover full cost of medical insurance premiums for you and your dependents.

IE Roles:

We offer an annual contribution toward your private health insurance for you and your dependents.

Additional Benefits Income Protection :

Anduril covers life and disability insurance for all employees. Generous time off : Highly competitive PTO plans with a holiday hiatus in December. Caregiver & Wellness Leave is available to care for family members, bond with a new baby, or address your own medical needs.

Family Planning & Parenting Support:

Coverage for fertility treatments (e.g., IVF, preservation), adoption, and gestational carriers, along with resources to support you and your partner from planning to parenting.

Mental Health Resources:

Access free mental health resources 24/7, including therapy and life coaching. Additional work-life services, such as legal and financial support, are also available.

Professional Development:

Annual reimbursement for professional development

Commuter Benefits:

Company-funded commuter benefits based on your region.

Relocation Assistance:

Available depending on role eligibility.

Retirement Savings Plan US Roles:

Traditional 401(k), Roth, and after-tax (mega backdoor Roth) options.

UK & IE Roles:

Pension plan with employer match.

AUS Roles:

Superannuation plan. The recruiter assigned to this role can share more information about the specific compensation and benefit details associated with this role during the hiring process. To view Anduril's candidate data privacy policy, please visit https://anduril.com/applicant-privacy-notice/ . Apply now See more open positions at Anduril