Eos Energy Enterprises, Inc. · 1 month ago
Project Engineer II- PE License Required
PA-Turtle Creek
Full-time
Onsite
Senior Level
5+ years expEos Energy Enterprises, Inc. is accelerating the shift to American energy independence with innovative energy storage solutions. The Project Engineer II will be responsible for leading technical work to deliver Battery Energy Storage Systems (BESS), collaborating with cross-functional teams to meet client project requirements and ensuring project engineering deliverables are on schedule and on budget.
CleanTechEnergyEnergy Storage
Responsibilities
Create and review engineering the design of contracted energy storage projects. This position requires someone with a valid PE license in electrical engineering to be able to validate and stamp drawings
Lead the design and review of BESS, including power conversion systems (Inverters & DC/DC Converters), isolation and power transformers, medium voltage switchgear, protection and control systems, grounding, low and medium voltage ac and dc cable systems, and plant auxiliary equipment
Experienced in troubleshooting of high voltage battery systems including the hardware power conversion devices such as inverters, converters, transformers and other related auxiliary systems. Perform load flow, short circuit, arc flash, and grounding studies
Work closely with Project Managers, Engineers, Customers, AHJs, and others to meet the contractual commitments. Collaborate with multidisciplinary teams including mechanical, civil, and software engineers. Play also a role as a technical consultant for more junior project engineers
Develop and review electrical schematics, single-line diagrams, and system layouts. Lead development of specifications, drawings and controls and protections strategies for contracted projects
Participate in continuous improvement of standard processes, procedures, documentation, and tools to effectively deliver a wide range of project solutions. Specify and select components including inverters, converters, transformers, switchgear, and protection devices
Ensure that all project engineering deliverables are on schedule / on budget and communicate project status to internal and external audiences via standardized project controls systems
Become the Project Engineering BESS SME and internal engineering interface. Work with other engineers pre- and post-contract award to optimize customer BESS solutions, use case reviews and commercial proposal strategies and processes
Maintain project documentation and assist in creating vendor technical specifications and user instructions for optimal use of the designed BESS
Provide support to Field Service Technicians when troubleshooting in field commissioning and service operations
Understands and utilizes technical standards for reviews, documentation, and designs such as UL, UN, IEC, ISO, ECE and other engineering standards. Ensure compliance with national and international electrical codes (e.g., NEC, IEEE, IEC)
Collaborate with Product Engineering to define, refine and improve BESS systems
Support permitting, interconnection, and utility coordination processes. Provide technical oversight during construction, commissioning, and testing phases
Other duties, responsibilities and activities may change or be assigned at any time with or without notice, in the spirit of an agile design group within an active technology company
Qualification
Required
BS in Electrical Engineering, Computer Science, Computer Engineering or related field
Professional Engineer License Required
Minimum of 5+ years of experience in all aspects of engineering development and product delivery
Hardware and system design and troubleshooting experience
Minimum five years' experience designing electronics and developing automated controls
Working knowledge of embedded control systems and their applications
General knowledge of CAD and the ability to interpret mechanical and electrical engineering drawings
Strong troubleshooting skills for diagnosis and design improvement
Familiarity with design for ground fault and EMC and availability to trace down GFI and EMI issues
Awareness of safety certification process to standards such as UL
Competent skills with communications protocols such as SCADA, EMS, TCP/IP, CAN, i²C and SPI; use of Modbus
Capability to select and integrate off-the-shelf component and equipment
Strong cross-discipline system skills
Understanding of hardware and physical system being controlled
Comfort and experience with the hazard and safety protocols of high voltage equipment and other aspects of working with large-scale battery systems
Ability to self-direct to a goal and achieve independent success
Preferred
MS degree preferred
Experience with Engineering Design Software
Experience with Linux and embedded systems
Company
Eos Energy Enterprises, Inc.
Since our founding in 2008, Eos Energy Enterprises has been on a mission to accelerate the shift to American energy independence with positively ingenious solutions that transform how the world stores power.
501-1000 employees
H1B Sponsorship
Eos Energy Enterprises, 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
2024 (2)
2023 (2)
2022 (2)
2021 (4)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$2.89BKey Investors
Government of PennsylvaniaDOE Loan Programs OfficeCerberus Capital Management
2025-11-20Post Ipo Equity· $458.2M
2025-11-20Post Ipo Debt· $580.5M
2025-11-18Post Ipo Equity· $76.9M
Leadership Team
Joe Mastrangelo
Chief Executive Officer
Francis Richey
CTO
Recent News
Social Media Today
2026-01-08
2026-01-07
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