First Tek, Inc. · 12 hours ago
Sr. Mechanical Engineer
Katy, TX
Full-time
Onsite
Senior Level
7+ years expFirst Tek, Inc. is a growing engineering-driven company focused on practical designs for advanced power and energy solutions. They are seeking a Senior Mechanical Engineer to support the design and development of containerized battery energy storage systems, focusing on mechanical design, thermal management, and system integration.
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Responsibilities
Lead and execute mechanical designs for containerized BESS solutions
Develop mechanical layouts including battery racks, enclosures, HVAC systems, ducting, airflow paths, and service access
Design and review thermal management and cooling strategies for high-power energy systems
Generate detailed 3D models, drawings, and BOMs using CAD tools (e.g., SolidWorks)
Collaborate closely with electrical, controls, and manufacturing teams to ensure system integration
Support prototype builds, testing, and field feedback incorporation
Ensure designs meet applicable codes, standards, and best practices (industrial, electrical, fire, and safety considerations)
Assist with design standardization and continuous improvement initiatives
Provide technical support during manufacturing, commissioning, and deployment as needed
Qualification
Required
BSc in Electrical Engineering or Automation Engineering
7+ years of experience in automation and Siemens PLC programming or related industry
Proficiency in Siemens TIA Portal, Step 7, and WinCC
Knowledge of power electronics, motor drives, energy storage, and grid integration
Ability to read and interpret P&IDs, electrical schematics, and power system documentation
Experience with communication protocols (PROFINET, PROFIBUS, MODBUS, OPC UA, etc.)
Knowledge of functional safety (IEC61508, etc)
Preferred
Bachelor's degree in Mechanical Engineering or related field
7+ years of professional mechanical engineering experience
Strong experience with mechanical system design for industrial or containerized equipment
Proficiency with 3D CAD software (SolidWorks or similar)
Experience producing fabrication-ready drawings and documentation
Ability to work onsite and collaborate cross-functionally
Strong problem-solving and communication skills
Experience with cooling systems, HVAC, or thermal management
Background in energy storage, power generation, data centers, or industrial equipment
Familiarity with containerized systems or modular equipment design
Exposure to BESS, power electronics enclosures, or high-heat-density systems
Understanding of environmental considerations (temperature extremes, airflow, corrosion, vibration)
Benefits
401(k)
Dental insurance
Health insurance
Paid time off
Vision insurance
Company
First Tek, Inc.
To succeed in the complex world of technology, you need exceptional connections – to the right experts, the right opportunities and the right answers.
1001-5000 employees
H1B Sponsorship
First Tek, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (42)
2024 (58)
2023 (60)
2022 (82)
2021 (165)
2020 (312)
Funding
Current Stage
Late StageLeadership Team
Kumar Bhavanasi
Founder, President and CEO
Recent News
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