Full-Time
Controls Engineer
Multiple Openings, Considering All Levels
Posted on 11/30/2025
Eos Energy Storage
201-500 employees
Manufactures aqueous zinc battery energy storage
No salary listed
Company Does Not Provide H1B Sponsorship
Monroeville, PA, USA + 1 more
More locations: Pittsburgh, PA, USA
In Person
 Electrical Engineering (1) |
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- Bachelor's degree in Electrical or Mechatronic Engineering
- Minimum 2 years Experience
- Minimum 5 years of hands-on experience with PLC and HMI or SCADA programming
- Minimum 1 year of Robotic Arm programming experience interfacing with PLC, preferred Fanuc programming skills
- Minimum 1 year of experience with Ethernet/IP, Modbus TCP, RS485 and CIP Safety protocols
- Minimum 5 years of experience in hands-on 24VDC, 120VAC, 480VAC troubleshooting
- Comfortable with troubleshooting 1000VDC electrical circuitry and components
- Excellent Experience in Allen Bradley (Rockwell Automation) PLC/HMI/SCADA, Fanuc Robot Arms, MES, Historian Server and SQL Database solution experiences
- Certificate in Lean-Six-Sigma and High level language programming experience such as C++ will be a plus
- Proficient of LOTO procedure and GAMP 5 Guidelines
- Good understanding in NEC, IBC and NFPA
- Good communication and documentation skills with MS Office product in URS, FRS, DDS and FAT Process
- Effectively Troubleshoot Electrical, PLC/HMI and networking issues when equipment is down for production
- Self-managing multiple medium-to-large scale automation projects simultaneously in a timely manner. Report status on weekly basis
- Participate in designing, development and maintaining company automation standard in SCADA/HMI/PLC programming
- Develop full scale electrical/networking diagram for large scale project in AutoCAD or SolidWorks. Develop technical documentation such as Technical User Manual and Detailed Designed Specification documents
- Continuous research with automation vendor on sensors, controls and testing equipment for potential projects and upgrades on existing automation systems
- Maintain, update and backup SQL and Historian database for Enterprise operation on weekly basis
- Design, develop, test and maintain automation solutions in electrical and software across various process areas
- Responsible in troubleshooting a live Energy Cube (1000 volt DC) electrical connection and components issues with multimeter
- Troubleshoot and upgrade AC-DC Inverters and/or DC Power Supplies for Energy Cube Test
- Be able to work on PLC/HMI/SCADA/Server/Electrical applications at anytime (Night, Weekend, or holiday) aligned with production downtime
- Certificate in Lean-Six-Sigma and High level language programming experience such as C++ will be a plus
Eos Energy Storage develops and manufactures aqueous zinc battery energy storage systems for commercial, industrial, utility, and renewable energy customers. The systems store electrical energy in an aqueous zinc chemistry and are designed for 3 to 12 hours of use to support grid resiliency, peak shaving, demand management, and intermittent renewable generation. The products are modular battery packs with simplified components aimed at reducing production costs and risks while delivering reliable storage for microgrids and large-scale projects. Compared with typical lithium-ion approaches, Eos focuses on a different chemistry and a streamlined design to provide cost-effective, safe energy storage for grid applications. The company’s goal is to accelerate the transition to clean energy by enabling reliable, affordable storage that boosts grid reliability and supports renewable integration.
Company Size
201-500
Company Stage
IPO
Headquarters
Edison, New Jersey
Founded
2008
Simplify's Take
What believers are saying
- $701.5M backlog and $23.6B pipeline drive revenue to $300-400M in 2026.
- Second production line starts late Q2 2026, expanding to 8GWh annually.
- Driehaus invests $110M in Q4 2025, signaling institutional confidence.
What critics are saying
- Securities lawsuits over 2025 revenue miss settle by mid-2028, draining cash.
- Second line delays from automation issues miss Q4 2026 capacity targets.
- Lithium-ion cost drops from CATL erode zinc advantages by 2027.
What makes Eos Energy Storage unique
- Znyth zinc batteries enable 3-12 hour discharges unlike lithium-ion.
- Z3 modules retain over 97% capacity across 6,000 cycles.
- DawnOS provides AI-enabled predictive analytics for grid flexibility.
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Benefits
Health Insurance
Paid Vacation
Flexible Work Hours
Growth & Insights and Company News
6 month growth
↑ 0%1 year growth
↑ 2%2 year growth
↓ -1%Eos Energy Enterprises climbed 29.63% to $5.95 on Thursday after announcing first-quarter 2026 revenues of $56 million to $57 million, representing a 433% to 443% increase from $10.5 million in the same period last year. The battery energy storage company attributed the growth to record shipments and strong manufacturing performance. The company cited operational improvements in supplier quality control, lean processes and equipment optimisation as drivers of increased throughput and execution. Shipments remained aligned with customer contractual commitments. Eos Energy also completed factory acceptance testing for its second production line during the quarter, with initial production targeted for late second quarter. The new line incorporates efficiency enhancements including single-piece flow configuration and advanced gantry systems. Official results are due next month.
Driehaus Capital Management purchased 7.70 million shares of Eos Energy Enterprises in the fourth quarter, worth an estimated $110.72 million based on quarterly average pricing, according to a February 17, 2026 SEC filing. The investment increased Driehaus' total stake to 14.27 million shares. Eos Energy, which manufactures grid-scale battery storage systems, has seen shares rise nearly 50% over the past year to $6.12, outperforming the S&P 500's 19% gain. Revenue reached $114.2 million in 2025, more than seven times the prior year, driven by increased deliveries and manufacturing improvements. The company reported a $701.5 million backlog and $23.6 billion commercial pipeline. However, shares have tumbled 47% since last quarter following softer-than-expected revenue guidance, partially reversing recent gains.
Eos Energy Enterprises faces a securities fraud class action lawsuit after its stock fell 39% on 26 February 2026. The lawsuit, filed in the US District Court for the District of New Jersey, alleges the company misrepresented near-term revenue growth and manufacturing capabilities. Eos Energy, which manufactures zinc-based battery energy storage systems, had guided fiscal year 2025 revenue of $150 million to $160 million whilst touting manufacturing progress. However, the company reported a $970 million net loss and missed guidance due to production inefficiencies, battery line downtime and quality delays. The complaint alleges violations of the Securities Exchange Act. Investors have until 5 May 2026 to apply to lead the case. Law firm Bleichmar Fonti & Auld is representing plaintiffs on a contingency basis.
A securities class action lawsuit has been filed against Eos Energy Enterprises, Inc. (NASDAQ: EOSE) on behalf of investors who purchased securities between 5 November 2025 and 26 February 2026. Law firm Robbins LLP is investigating allegations that the battery manufacturer misled investors about its business prospects. The complaint alleges Eos Energy failed to disclose production difficulties, including battery line downtime exceeding industry norms and delays in automated bipolar production quality targets. On 26 February 2026, the company reported full-year 2025 revenue of $114.2 million, significantly below its guidance of $150 million to $160 million, alongside a net loss of $969.6 million. Following the announcement, Eos Energy's share price fell 39.4% to $6.74. Shareholders may participate in the class action through Robbins LLP.
Stifel has lowered its price target on Eos Energy Enterprises (NASDAQ: EOSE) to $12 from $22 whilst maintaining a Buy rating. Separately, Guggenheim downgraded the stock to Neutral from Buy, removing its $20 price target, citing management's struggles with financial forecasting despite operational progress. The adjustments followed Eos Energy's Q4 results on 26th February, which missed expectations. The company reported earnings per share of negative 84 cents versus consensus estimates of negative 24 cents, and revenue of $58 million against the $93.69 million estimate. CEO Joe Mastrangelo described 2025 as "a structural turning point", noting expanded capacity to 2 gigawatt-hours, record quarterly revenue, and over $240 million in Q4 bookings. The company ended the year with a cash position above $600 million.