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Internship Battery Energy Storage Jobs (NOW HIRING)

Gen-Systems

Be Seen First

Sales/Business Development Director - Battery Energy Storage Systems

Houston, TX · On-site

Gen-Systems is seeking a Business Development Director (BESS) to drive commercial growth for battery energy storage system solutions across North America. This role will focus on identifying market ...

Gen-Systems

Be Seen First

Sales/Business Development Director - Battery Energy Storage Systems

Houston, TX · On-site

Gen-Systems is seeking a Business Development Director (BESS) to drive commercial growth for battery energy storage system solutions across North America. This role will focus on identifying market ...

MasTec Inc

Energy Storage Engineer I

Dallas, TX

By collaborating across departments, we foster innovation and encourage everyone--from interns to ... Create and optimize preliminary battery energy storage system (BESS) layouts under guidance from ...

MasTec Inc

Energy Storage Engineer I

Dallas, TX · On-site

Overview Responsible for supporting the engineering, design, and execution of utility-scale battery ... By collaborating across departments, we foster innovation and encourage everyone-from interns to ...

MasTec Inc

Energy Storage Engineer I

Dallas, TX · On-site

By collaborating across departments, we foster innovation and encourage everyone--from interns to ... Create and optimize preliminary battery energy storage system (BESS) layouts under guidance from ...

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How much do internship battery energy storage jobs pay per hour?

As of Jun 17, 2026, the average hourly pay for internship battery energy storage in the United States is $17.08, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $19.23 per hour, depending on experience, location, and employer.

What is the difference between Internship Battery Energy Storage vs Battery Energy Storage Engineer?

AspectInternship Battery Energy StorageBattery Energy Storage Engineer
Required CredentialsEnrolled in related degree, basic technical knowledgeBachelor's or higher in engineering, relevant certifications
Work EnvironmentInternship programs, training sites, labsDesign, development, and testing facilities
Employer & Industry UsageUtilities, renewable energy companies, research institutionsEnergy companies, engineering firms, project developers

Internship Battery Energy Storage roles are entry-level positions focused on learning and supporting projects, often requiring students or recent graduates. Battery Energy Storage Engineers are experienced professionals responsible for designing, implementing, and maintaining storage systems. The internship provides foundational exposure, while the engineer role involves advanced technical responsibilities.

What are some common projects or tasks an intern in Battery Energy Storage might work on during their internship?

As an intern in Battery Energy Storage, you can expect to assist with tasks such as supporting laboratory experiments, collecting and analyzing performance data from battery cells or systems, and helping with the modeling of energy storage systems. You may also participate in research on battery chemistry, contribute to the preparation of technical reports, and collaborate with engineers on testing new storage technologies. This hands-on experience provides valuable exposure to both the technical and project management aspects of the energy storage field.

What are the key skills and qualifications needed to thrive as an Internship Battery Energy Storage, and why are they important?

To thrive in a Battery Energy Storage internship, you need a background in electrical engineering or a related technical field, along with a solid understanding of energy storage systems and battery technologies. Familiarity with simulation software (such as MATLAB/Simulink), data analysis tools, and industry standards is often required. Strong analytical thinking, teamwork, and effective communication skills help interns stand out when collaborating on projects and presenting findings. These abilities are crucial for contributing to innovative solutions and supporting technical teams in a rapidly evolving energy sector.

What are internship battery energy storage positions?

Internship battery energy storage positions are temporary roles for students or recent graduates to gain practical experience working with battery energy storage systems (BESS). These internships typically involve supporting engineering, research, or operations teams in the design, testing, or maintenance of battery storage technologies. Interns may assist with data analysis, help develop new storage solutions, or participate in fieldwork. These roles help interns build relevant skills and knowledge about renewable energy, grid integration, and cutting-edge battery technology. Such experience can be valuable for launching a career in the energy or engineering sectors.
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Internship Battery Energy Storage jobs near you
Senior Mechanical Engineer - Battery Energy Storage Systems

Senior Mechanical Engineer - Battery Energy Storage Systems

GTI Fabrication

Phoenix, AZ • On-site

$103K - $137K/yr

Full-time

Posted 28 days ago

Job description

GTI is a contract manufacturing partner supporting customers in renewable energy, power generation, infrastructure, and industrial systems.
 
We fabricate custom designed, purpose-built enclosures and skids for our customers and perform mechanical and electrical integration in-house, delivering a true turn-key product to our customers. Our scope spans Engineering, prototype builds, through full production, requiring teams that can move fast, adapt, and execute with precision.
 
GTI Values: Safey I Quality I Customer Obsession I Speed I Agility 

GTI is seeking a Senior Mechanical Engineer to lead the mechanical design of Battery Energy Storage System enclosures and integrated platforms. This role is responsible for developing manufacturable steel structures, equipment layouts, thermal management strategies, and serviceable enclosure designs that support high-power battery and inverter equipment. The engineer will collaborate with electrical engineering, manufacturing, and integration teams to deliver production-ready modular energy storage systems.

Key Responsibilities

Mechanical Design & System Packaging

  • Design steel enclosures and structural platforms housing battery cabinets, PCS inverters, transformers, and electrical distribution equipment

  • Develop equipment layouts supporting service access, ventilation, thermal separation, and cable routing zones

  • Design modular steel assemblies, sheet metal components, structural weldments, and integrated equipment platforms using SolidWorks

  • Coordinate mechanical packaging and enclosure design activities supporting modular BESS integration

Structural, Thermal & CFD Analysis

  • Perform structural analysis and FEA on welded assemblies, lifting structures, anchoring systems, and transport frames

  • Perform CFD and thermal analysis supporting battery cooling, HVAC airflow, and heat rejection within enclosed systems

  • Support thermal management strategies for high-power electrical equipment operating within compact enclosure environments

  • Evaluate structural integrity, airflow performance, and manufacturability throughout product development activities

Cross-Functional Integration

  • Collaborate with Electrical Engineering teams to coordinate penetrations, cable trays, grounding provisions, equipment spacing, and integration requirements

  • Coordinate with Manufacturing, Quality, and Integration teams to ensure designs support fabrication, assembly, welding, and field installation requirements

  • Apply Design for Manufacturing (DFM) principles supporting efficient production and integration workflows

  • Support prototype builds, factory integration activities, and NPI phase gate reviews

Compliance, Testing & Production Support

  • Ensure designs support UL 9540 energy storage system certification requirements and thermal event mitigation strategies

  • Support root cause analysis and corrective actions related to mechanical issues identified during testing, integration, or production

  • Participate in design reviews, prototype evaluations, and production launch activities

  • Support standardization of enclosure architectures, structural design practices, and modular packaging strategies across BESS product lines

Technical Leadership

    • Mentor CAD technicians and junior engineers on enclosure design, modular packaging strategies, and design best practices

    • Support development of engineering documentation, design standards, and manufacturing release packages

    • Provide technical guidance throughout design, fabrication, integration, and production activities

Requirements

Required Qualifications

  • Bachelor’s degree in Mechanical Engineering
  • 7+ years of experience designing industrial equipment, energy systems, or modular infrastructure
  • Strong SolidWorks experience including weldments, sheet metal, and large assemblies
  • Experience with structural steel design, thermal analysis, and HVAC packaging
  • Experience supporting high-power electrical equipment packaging or industrial enclosures
  • Strong knowledge of engineering documentation, BOM development, and revision control

Preferred Qualifications

  • Experience designing battery energy storage systems or power conversion equipment
  • Familiarity with UL 9540, UL 9540A, and NFPA 855 frameworks
  • Experience designing modular or containerized infrastructure systems
Benefits & Perks

GTI Energy offers a competitive compensation and benefits package designed to support employees and their families while providing long-term career growth opportunities within a fast-growing manufacturing organization. Benefits may include:

• Medical, dental, and vision insurance
• 401(k) with company match (where applicable)
• Paid Time Off (PTO) and paid holidays
• Sick time in accordance with state and local requirements
• Company-paid life insurance and disability coverage
• Career advancement opportunities within a rapidly growing organization
• Exposure to advanced manufacturing, modular infrastructure, and large-scale industrial projects
• Collaborative, fast-paced environment with strong operational and engineering leadership
• Employee-focused culture centered on safety, quality, accountability, and continuous improvement

Benefits eligibility and offerings may vary based on position, location, and employment classification.

GTI promotes a diverse and inclusive workforce and is an Equal Opportunity Employer that does not discriminate against employees or applicants for employment on the basis of race, color, national origin, ancestry, age, religion, sex, gender, gender identity, gender expression, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, marital status, or any other Federal or State legally-protected classes. We also value the safety of all employees and work hard to maintain a Drug Free Workplace.
 
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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.