Senior Interconnection Engineer Jobs in Minnesota

Responsibilities:

• Develop complete electrical design packages, including single-line diagrams, equipment specifications, load summaries, and integration details for BESS, Solar PV, and EV charging infrastructure
• Lead technical design of DC Fast Charging (DCFC) sites, including load calculations, transformer and switchgear sizing, site power distribution, and thermal/ventilation considerations
• Provide technical validation to Sales Engineers on equipment selection, system configuration, and feasibility during pre-construction
• Support Project Managers and field teams with engineering clarification, RFIs, and real-time design adjustments during installation
• Conduct or facilitate protection and control studies, ensuring proper device coordination and distribution system reliability
• Integrate BESS, Solar PV, and EV charging systems into microgrid or hybrid architectures, including inverter-based resource (IBR) configuration and functional sequencing
• Perform or facilitate engineering studies such as short circuit, arc flash, load flow, grounding, and harmonics
• Ensure design compliance with NEC, NESC, and IEEE standards and prepare technical inputs for utility interconnection applications
• Mentor junior engineering staff, lead peer reviews, and uphold engineering quality standards across all deliverables

Qualifications:

• Bachelor's degree in electrical engineering from an ABET-accredited institution required
• 4+ years of relevant experience in LV/MV power distribution, protective relaying, and distributed energy resource integration
• 4+ years of experience in power and energy systems
• Active Professional Engineer (PE) license required
• Proficiency with ETAP, AutoCAD, and/or Revit
• Strong communication ability to translate complex engineering topics for non-technical stakeholders and field personnel
• Prior experience managing utility-scale interconnection processes and requirements preferred
• Knowledge of EV charging standards, load-management strategies, and demand-response programs preferred
• Strong focus on safety-by-design and system reliability principles
• Prior experience with HOMER, Energy Toolbase, Helioscope preferred
• Working knowledge of applicable electrical and energy storage standards, including NFPA (70 (NEC), 70E, 855), UL (9540(A), 1741, 891, 1558, 2202(EV Charging)), and IEEE/ANSI (1547 (Interconnection), C37 (Relaying), C57 (Transformers))
• Must have and maintain a clean driving record

Travel

• Up to 20%

Minimum Physical Requirements:

• Standing, walking, using hands, talking, hearing

This job description is intended to describe the general nature and level of work being performed; it is not intended to be construed as an exhaustive list of all responsibilities, duties and skills required for the position. Ziegler Inc. will reasonably accommodate the known disabilities of qualified disabled individuals.

SEE YOURSELF AT ZIEGLER

Founded in 1914, Ziegler is a third-generation, family-owned CAT dealer with over 2400 employees across 30+ locations in Minnesota, Iowa and northern Missouri. Since day one Ziegler has had the same philosophy- if the customer is successful- then Ziegler will be successful. That is why Ziegler is committed to providing employees with the best possible work environment and the right tools for career development. This means great benefits, work/life balance, and ongoing professional development and training. Fulfill your calling by starting a career with Ziegler today!

The pay range for this position is

Starting wage is dependent on skills, experience, education and location. Pay range may vary by 10% depending upon the applicant's location. Along with competitive pay, full time positions are benefits eligible which includes:

• Health, Dental, Vision and Life Insurance

• 15 days of PTO your first year, accrual starts day 1

• 9 paid holidays

• 401(k) plan with company contribution and match

• HSA (Health Savings Account), Ziegler contributes up to $1000 tax-free each year

• Short-Term and Long-Term Disability Insurance, FSA & EAP

• Paid Parental Leave & Funeral Leave

• Fitness membership discount

• Education Assistance

At Ziegler Inc. we're committed to equal opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.