Department

Darcy Solutions Engineering Department

Reports To

Chief Technology Officer

Location

Headquarters: New Brighton, MN

Hybrid (3 days/week in office).

Job Overview

Darcy Solutions is seeking a forward-thinking Systems/Applications Engineer to join our growing team. This role is ideal for professionals with expertise in mechanical and/or HVAC systems, a passion for sustainability, and an eagerness to tackle complex engineering challenges. As part of our mission to decarbonize the built environment, you'll contribute to advancing our innovative geothermal technology — enabling a cleaner, more efficient future.

The Applications Engineer serves as a key technical resource across the organization, bridging product development, field operations, and sales support while working closely with the R&D team to integrate new technologies into our standard offerings.

Qualifications

Required

• Bachelor's degree in Mechanical or Electrical Engineering, or a closely related field.
• At least 5 years of experience in HVAC design, mechanical/electrical systems engineering, or a related field.
• Strong foundational knowledge of mechanical and electrical systems.
• Proficiency in CAD software (AutoCAD, SolidWorks, or similar).
• Excellent written and verbal communication skills; ability to collaborate across functions and explain technical concepts to diverse audiences.
• Capable of managing multiple projects and priorities in a fast-paced environment.
• Strong analytical and problem-solving skills; proactive and solution-oriented.
• Ability to work effectively within a team and coordinate across departments.
• U.S. Citizenship or USCIS Permanent Resident Card.
• Must be able to obtain and maintain security clearance for federal, state, municipal, and educational sites.
  
  Preferred
• Professional Engineer (PE) License.
• Experience with geothermal systems, HVAC equipment, or other energy conversion technologies.
• Experience with building automation systems, controls programming, and energy modeling tools (e.g., EnergyPlus).
• Knowledge of electrical system design and analysis.
• Working knowledge of MS Office Suite and Bluebeam.
• Experience in construction, renewable energy, or similar industries.

Key Responsibilities

Technical Expertise & System Design

• Serve as a technical resource across departments, providing expertise in HVAC system design, operation, and optimization.
• Contribute to product development and support the development of customized system designs and enhancements.
• Stay current on industry trends and advancements in geothermal technology; contribute to the ongoing development of Darcy's engineering practices and design standards.

Design & Documentation

• Develop and maintain comprehensive technical documentation, including system schematics, installation guides, and operational manuals.
• Create detailed CAD drawings to support project design and execution.
• Apply sound design and manufacturing practices across all deliverables.

Sales Support

• Collaborate with the sales team by providing technical guidance on system design, developing submittals, and responding to technical and installation challenges.
• Conduct system performance analyses and work with Sales and Marketing to generate compelling presentations that showcase the value of Darcy Solutions' technology.

Innovation Integration

• Work closely with the R&D team to integrate new technologies and design improvements into standard offerings, ensuring seamless implementation across all departments.

Field Support

• Provide technical assistance to construction and service teams during system installation, commissioning, and maintenance.
• Provide on-site support to evaluate conditions, optimize installation, and troubleshoot field challenges.
• Develop training procedures for end users and deliver on-site training.

Field Support

• Analyze system performance data to identify areas for optimization and improvement.
• Contribute to the development of strategies to enhance system efficiency and customer satisfaction.

Physical Requirements

• Ability to travel by air or motor vehicle to local and remote project sites.
• Ability to walk construction sites with uneven surfaces and dust-generating environments; extended walking frequently required.
• Ability to lift and carry loads in excess of 25 lbs.
• Ability to be on a job site for extended periods (8–10 hours).
• Ability to work near electrical and mechanical building equipment and systems.
• Standing/sitting may range from 0–100% each day depending on activities.
• Frequent reaching overhead and horizontally.

Working Conditions

• Ability to travel ~20% to investor meetings, project sites, capital partners, and industry events (regional, national, and international).
• Ability to sit for extended periods during modeling, analysis, and meetings.
• Standard office environment with hybrid work flexibility (3 days/week in office).
• Competitive compensation package, including bonus, full benefits, and eligibility for stock options.

Our Mission

Darcy Solutions was founded to improve the health of our communities and planet through practical climate solutions. Our proprietary geothermal technology leverages the thermal properties of groundwater to deliver all-electric heating and cooling for buildings, reducing energy costs while cutting carbon emissions in the built environment.

How to Apply

To apply, please submit your resume and a brief cover letter to Kathy Jennings, detailing your interest and how your skills and experience align with this role. If you require reasonable accommodation during the application or interview process, contact Kathy Jennings.

Department

Darcy Solutions Marketing Department

Reports To

Marketing and Strategy Director

Location

Headquarters: Minneapolis, MN

Hybrid (3 days/week in office).

Job Overview

Darcy Solutions is seeking a forward-thinking Digital Marketing Manager to elevate our brand and fuel growth through high-performance digital strategies, platform management, and cross-functional collaboration.

This role will establish the company as a market leader in the geothermal space by optimizing our digital footprint and leading innovative education efforts for our external partners. If you are a professional with expertise in digital channel performance, a passion for sustainability, and an eagerness to scale a business by taking ownership of our digital ecosystem and sales enablement platforms, this opportunity is an excellent fit for your skills.

As part of our mission to decarbonize the built environment, you will contribute to advancing our innovative geothermal technology, enabling a cleaner and more efficient future. The role will report to the Director of Marketing and Strategy and collaborate with functional leaders across the company.

Responsibilities

• Website Management and Content Production
  • Oversee management of the company website and associated content publishing for the company.
  • Partner closely with Marketing, Sales, R&D, and Operations teams to create web focused digital assets compelling to our target markets and partners.
  • Measure efficacy of content creation and tactical execution across customer touchpoints including digital (website traffic, SEO, social media KPIs) and in-person representation (lead attribution from events, etc.) to improve lead generation and conversion.
  • Work with leaders in the Sales, R&D, and Operational functions of the company to build a strategy to evolve and improve the website over time.
    
• Digital Campaign Management
  • Evaluate the potential for other digital campaign strategy across Search Engines, AI Tools, and Social Media for targeted audiences.
  • Oversee partners including digital agencies and consultants as needed to build, execute, and measure performance of digital and in person related marketing campaigns.
  • Recommend and test campaign concepts based on agreed upon goals of the company and develop reporting infrastructure to efficiently share performance.
  • Implement campaigns and measure performance against objectives, including analyzing return on objective versus investment.
    
• External Representative Education Program
  • Lead the evaluation, selection and development of a comprehensive digital sales partner education program which efficiently educates our sales partners to a minimal level of proficiency on Darcy technology, processes, and expectations of go to market.
  • Oversee content production and publication, as well as administration of partner education reporting.
  • Improve and expand the program via content updates based on new products and service offerings and specifications within the company.

Expected Qualifications:

• Minimum of five years of proven experience leading digital marketing initiatives within a fast-paced business environment.
• Excellent technical and verbal communication skills with the capability to manage complex digital platforms and websites.
• Expert-level understanding of digital marketing channels and tactics, including SEO, SEM, and social media performance tracking (LinkedIn Campaign Manager, Google suite of tools).
• Eagerness to learn and apply generative artificial intelligence technologies and workflows into the company tech stack to improve efficiency is a requirement.
• Strong understanding of CRM software, sales pipeline management, and educational/LMS platform administration.
• Knowledge of mechanical HVAC systems, geothermal energy, and sustainability in business are valued but not required.

Diversity and Inclusion Statement

At Darcy Solutions, we believe diversity is key to driving innovation and fostering a dynamic workplace culture. We are committed to creating an inclusive environment where every employee feels valued, respected, and empowered to bring their authentic selves to work. We actively seek to recruit, develop, and retain a diverse workforce that reflects the communities we serve.

Who We Are

Darcy Solutions is an engineering design and cleantech startup. Our foundational technology was initially conceived by our co-founder and developed while he was a research scientist at the University of Minnesota following the completion of his PhD there. Since spinning out from the University in 2018, we have focused on refining our technology for commercial application and rapidly driving the growth of our company. We installed our first pilot system in 2019, and following the launch of our first commercial system in 2020, we are enjoying strong interest in our geothermal-HVAC system solutions. To support our growing customer project pipeline and the build-out of the business, we are looking forward to welcoming additional talent into our team. The potential for further technology development is tremendous, and it will further enhance our opportunity and mission to significantly reduce carbon emissions from heating and cooling.

Employment Type

The Digital Marketing Manager position is a full-time position. We offer a competitive benefits package with full-time employment.

Location

This position offers a hybrid work arrangement, blending in-office collaboration at our New Brighton, MN, office with the flexibility of remote work.

Please submit your resume and a brief cover letter to kathy.jennings@darcysolutions.com explaining your interest in Darcy Solutions and how your skills and experience align with the position.

Thank you for your interest in joining our team!

Department

Darcy Solutions Engineering Department

Reports To

Chief Scientific Officer

Location

Headquarters: Minneapolis, MN

Hybrid (3 days/week in office).

Job Overview

We are seeking a motivated R&D Engineer to support Darcy’s technology roadmap under the direction of our Chief Scientific Officer and cross-functional technical leadership. You’ll help accelerate the evolution of Darcy’s geothermal systems by developing new mechanical designs, tools and equipment, test methods, numerical models, and proof-of-concept field demonstrations.

This role blends structured research, modeling, prototyping, technical evaluation, and product development with collaboration among engineering, geology, and field operations teams — advancing innovation while translating ideas into scalable, real-world solutions.

Ideal Candidate & Qualifications

• Bachelor’s degree (Master’s or PhD preferred) in Mechanical, Electrical, or Chemical Engineering; Materials Science; Energy Systems; Hydrogeology or Geothermal Geophysics; or a related discipline.
• 5+ years of hands-on R&D experience and track record of innovation in mechanical system design, engineering, physics, data analysis, prototype development, or related fields.
• Experience designing and testing mechanical components, tools, and/or products with a focus on performance metrics.
• Strong written and verbal communication skills; ability to document and present technical insights clearly.
• Highly organized, proactive in driving projects to completion, and comfortable working in a fast-paced, collaborative startup environment.
  
  Preferred
• Experience with geothermal systems, HVAC equipment, or other energy conversion technologies.
• Knowledge of building energy modeling software (EnergyPlus).
• Experience with CAD software (SolidWork, Inventor) and data analysis environments (Python, MATLAB, etc.).
• Knowledge of research-grade, real-time data acquisition equipment (data loggers, sensors), software and analysis methods.
• Understanding of well drilling/installation practices.
• Demonstrated ability to manage R&D project workflows and dependencies across teams.

Key Responsibilities

Technical R&D & Prototyping

• Execute research and numerical modeling to improve designs of Darcy’s geothermal system components, including heat exchangers, well instrumentation, and related components.
• Develop structured test plans, instrumentation strategies, and data capture procedures to validate design assumptions and performance targets.
• Build and test equipment prototypes, then collect and analyzing performance data.

Modeling & Analysis

• Support performance modeling and simulation efforts (thermal, fluid, mechanical) to inform design decisions and optimize system efficiency.
• Identify modeling and analytical gaps; propose new tools or methodologies to close them.
• Work with geoscience and engineering teams to integrate technical insights into broader product development.

Field Support & System Evaluation

• Collaborate with field installation teams to observe system operation, troubleshoot technical issues, and document insights for iterative improvement.
• Support system commissioning and data collection efforts.
• Contribute to field protocols that enhance reliability, repeatability, and safety.

Cross-Functional Collaboration

• Work closely with teams across disciplines to identify challenges and develop engineered solutions.
• Maintain clear documentation of research activities, test results, and technical recommendations.
• Prepare technical reports and presentations for internal teams and external partners.

Working Conditions

• Ability to travel ~20% to investor meetings, project sites, capital partners, and industry events (regional, national, and international).
• Ability to sit for extended periods during modeling, analysis, and meetings.
• Standard office environment with hybrid work flexibility (3 days/week in office).
• Competitive compensation package, including bonus, full benefits, and eligibility for stock options.

Our Mission

Darcy Solutions was founded to improve the health of our communities and planet through practical climate solutions. Our proprietary geothermal technology leverages the thermal properties of groundwater to deliver all-electric heating and cooling for buildings, reducing energy costs while cutting carbon emissions in the built environment.

To apply, please submit your resume and a brief cover letter to Kathy Jennings, detailing your interest and how your skills and experience align with this role. If you require reasonable accommodation during the application or interview process, contact Kathy Jennings.

Darcy Solutions is seeking a highly motivated and entrepreneurial Senior Hydrogeologist to join our growing company and help shape our future. This role combines strategic leadership and technical mentorship with hands-on fieldwork and operational oversight, offering the opportunity to advance cutting-edge research, pioneer new applications, and directly shape customer installations. Candidates must share our passion for meaningful climate impact, thrive in collaborative problem-solving, and bring both technical depth and innovative thinking to our mission of reducing carbon emissions from heating and cooling.

With funding from the NSF, DOE, USDA, State of Minnesota, and climate investors. Darcy is pioneering a new groundwater-based geothermal approach to sustainable heating and cooling for commercial and multi-family residential buildings. We're working closely with industry partners to pioneer integrated ground loop-HVAC designs that help customers meet aggressive carbon emissions goals and energy efficiency requirements while lowering costs. Our approach blends elements of water well and geothermal technology, resulting in a novel way to put groundwater to work.

The Senior Hydrogeologist position offers candidates the chance to be part of an innovative company impacting greenhouse gas emissions in a collaborative environment with opportunities for professional growth and leadership.

Responsibilities

• Serve as a technical leader in hydrogeologic design and well construction, while also contributing directly to field operations and system implementation
• Drive R&D initiatives to advance Darcy's groundwater-based geothermal technology. identifying opportunities for new methods, tools, and applications
• Oversee and guide well design, construction schematics, and testing protocols, ensuring technical rigor and operational excellence
• Conduct advanced geologic and hydrogeologic analyses of potential project sites to inform innovative system designs
• Collaborate with cross-functional teams to translate R&D insights into scalable, field-tested solutions
• Lead construction oversight of Darcy wells, managing subcontractors and ensuring adherence to safety, code, and design standards
• Provide thought leadership on hydrogeology best practices, integrating new technologies and approaches into operations
• Develop and refine project specifications for materials, components, and installation methods in alignment with innovation goals
• Support project pricing and partner collaboration, balancing R&D advancement with cost-effective project delivery
• Travel to project sites and industry gatherings, representing Darcy as both a hands-on expert and thought leader

Requirements:

• Bachelor's, Master's, or PhD in Geology, Hydrogeology, Geological Engineering, or related field (or relevant experience)
• 8+ years of progressive experience in hydrogeology with a focus on high-capacity well design, installation, and testing
• Proven leadership skills with experience mentoring and developing geoscience teams
• Demonstrated success leading projects that integrate R&D, field operations, and innovative technical solutions.
• Strong ability to interpret, synthesize, and communicate complex geologic and hydrogeologic data (maps, logs, well records, cross-sections, modeling outputs)
• Expertise in water well design including materials selection, screen/filter-pack design, pitless unit/surface completion considerations, and installation limitations
• Experience managing field operations and construction oversight in a variety of geologic settings
• Knowledge of drilling and well construction methods, practices, and safety standards
• Excellent organizational and time-management skills, with the ability to balance leadership, R&D, and hands-on project work
• Clear and effective communication skills, both written and verbal, with an emphasis on technical leadership and stakeholder collaboration
• Valid driver's license and a good driving record

Preferred:

• Knowledge of well code requirements in at least one jurisdiction and ability to learn requirements in others
• Experience designing or installing well pumps, VFDs, and controls
• Experience programmatically working with modeling data for input/output generation and data analytics/visualization, such as Python, Matlab, COMSOL or MODFLOW
• Registered as a Professional Geologist in a state or states where Darcy operates (or can become registered within 6 months of hire) preferred but not required

Diversity and Inclusion Statement

At Darcy Solutions, we believe diversity is key to driving innovation and fostering a dynamic workplace culture. We are committed to creating an inclusive environment where every employee feels valued, respected, and empowered to bring their authentic selves to work. We actively seek to recruit, develop, and retain a diverse workforce that reflects the communities we serve.

Who We Are

Darcy Solutions is an engineering design and cleantech startup. Our foundational technology was initially conceived by our co-founder and developed while he was a research scientist at the University of Minnesota following the completion of his PhD there. Since spinning out from the University in 2018, we have focused on refining our technology for commercial application and rapidly driving the growth of our company. We installed our first pilot system in 2019, and following the launch of our first commercial system in 2020, we are enjoying strong interest in our geothermal-HVAC system solutions. To support our growing customer project pipeline and the build-out of the business, we are looking forward to welcoming additional talent into our team. The potential for further technology development is tremendous, and it will further enhance our opportunity and mission to significantly reduce carbon emissions from heating and cooling.

Employment Type

The Senior Hydrogeologist position is a full-time opportunities. We offer a competitive benefits package with full-time employment.

Location

This position offers a hybrid work arrangement, blending in-office collaboration at our New Brighton, MN, office with the flexibility of remote work. It also includes field assignments at various project sites.

Please submit your resume and a brief cover letter to kathy.jennings@darcysolutions.com explaining your interest in Darcy Solutions and how your skills and experience align with the position.

Thank you for your interest in joining our team!