Defense Software Engineer Jobs in Bridgeport, CT

EnerSys Advanced Systems (EAS) is a specialized division of EnerSys-a global leader in stored energy solutions for industrial applications. EAS focuses on cutting-edge energy solutions for the aerospace, defense, and medical industries. As we continue to grow, we're looking for individuals who share a passion for these industries and want to be part of an innovative, dynamic team.
Certain positions at EnerSys Advanced Systems require access to information or technology that is subject to the International Traffic in Arms Regulations (ITAR) and other U.S. government security regulations. Candidates for these positions should be a "U.S. Person" under ITAR (U.S. citizen, lawful permanent resident, or a refugee/asylee) and/or otherwise comply with ITAR requirements for access rights to be considered for a position.
What We Offer:

• Generous Time Off - 3+ weeks of paid time off, including PTO and paid sick leave, plus 11 paid holidays
• Comprehensive Benefits - Medical, dental, and vision coverage for employees and dependents at a discounted rate
• Financial & Career Growth - Life insurance, short-term disability, educational reimbursement, flexible spending accounts, and an employee stock purchase plan
• 401(k) Matching - 100% match at a 6% contribution level
• Innovative Culture - We value excellence, teamwork, and long-term relationships with stakeholders, colleagues, and customers. Through innovative technology and ongoing training, we invest in our employees' skills and career development.

At EAS, we don't just build batteries - we power systems and devices that protect not only individual citizens but communities across the world.
If you're excited about working in an innovative, fast-paced, high-tech environment, where your contributions make a real impact, we'd love to hear from you!
Compensation Range: $125,000-$155,000
Learn More About EAS
Job Purpose
The Senior Electrical Engineer at Bren-Tronics, part of EnerSys and a manufacturer of advanced portable power solutions, provides technical leadership in the design, development, testing, and support of battery systems for defense applications. This role requires deep expertise in power electronics, battery protection systems, embedded controls, and compliance with military standards, and plays a key role in guiding engineering efforts to deliver reliable energy solutions for mission-critical defense operations.
Essential Duties and Responsibilities
• Play lead role in the architecture and development of electrical circuits for batteries, chargers and rechargeable battery based systems.
• Create detailed electrical schematics and specifications for batteries, chargers, and related electronics.
• Design and integrate battery monitoring and protection systems to ensure safe and reliable operation.
• Perform system analysis related to electrical performance, thermal management, electromagnetic interference, and system reliability.
• Use engineering tools for simulation, modeling, and analysis of electrical designs.
• Support environmental and electrical qualification testing in accordance with military and defense standards.
• Work closely with mechanical, software, systems, and manufacturing teams throughout the development cycle.
• Participate in technical reviews and risk assessments for new products.
• Provide technical support to Sales and Marketing for bids and proposals.
• Prepare clear documentation for testing, production, and customer requirements
• Mentor junior engineers and support team development.
Qualifications
• Bachelor's degree in Electrical Engineering, A Master's degree is preferred.
• 10+ years of experience in electrical design, power systems, or defense-related products.
• Strong knowledge of lithium-ion and similar battery technologies, including system safety and protection designs.
• Experience working with high-voltage battery systems and energy storage designs, including low EMI circuit design.
• Proficiency with electrical design software tools.
• Experience integrating electronics with microcontrollers and communication networks such as Controller Area Network (CAN) or serial communications.
• Hands-on experience with testing, troubleshooting, and qualifying electronic systems.
• Detail-oriented with a strong commitment to product quality and reliability.
• Creative and adaptable approach to engineering challenges.
EnerSys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
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