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Interconnection Engineer Jobs in Highlands Ranch, CO

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Interconnection Engineer information

What is an interconnection engineer?

Interconnection Engineers are professionals who design, manage, and oversee the processes required to connect energy generation systems—such as solar, wind, or traditional power plants—to the electric grid. They work closely with utilities, developers, and regulatory agencies to ensure that new energy projects meet technical standards and regulatory requirements for safe and reliable grid integration. Their responsibilities include conducting technical studies, reviewing interconnection applications, and coordinating with various stakeholders to resolve engineering challenges. This role is critical in supporting the expansion of renewable energy and maintaining grid stability.

What are some common challenges an interconnection engineer faces when coordinating with utilities and project stakeholders?

Interconnection Engineers often encounter challenges such as navigating complex utility requirements, managing tight project timelines, and ensuring all technical documentation meets regulatory standards. Communication with utility representatives and project teams can be intricate, as requirements may vary by region and change frequently. Being proactive in documentation, maintaining clear communication, and staying updated on evolving interconnection standards are crucial for success in this collaborative and fast-paced role.

What are the key skills and qualifications needed to thrive as an interconnection engineer, and why are they important?

To thrive as an Interconnection Engineer, you need a solid background in electrical engineering, power systems, and grid interconnection standards, often supported by a bachelor's degree in engineering. Familiarity with power system modeling tools (such as PSS®E, PSCAD, or PowerWorld), relevant regulations (like FERC, NERC), and industry certifications (such as PE licensure) is typically required. Strong analytical thinking, project management abilities, and clear communication skills help you collaborate effectively with utilities, developers, and regulatory bodies. These skills are essential to ensure safe, efficient, and compliant integration of new energy projects into the electric grid.

What is the difference between Interconnection Engineer vs Power Systems Engineer?

AspectInterconnection EngineerPower Systems Engineer
Required CredentialsBachelor's in Electrical Engineering, certifications like PE or EIT often preferredBachelor's or Master's in Electrical Engineering, PE license common
Work EnvironmentUtility companies, renewable energy firms, grid operatorsPower generation, transmission, and distribution companies
Industry UsageFocuses on connecting new energy sources to the gridDesigning and analyzing power systems for efficiency and reliability

Interconnection Engineers primarily focus on integrating new energy projects into the grid, ensuring compliance and connection approval. Power Systems Engineers work on designing, analyzing, and optimizing entire power systems. While both roles require electrical engineering expertise and often similar certifications, their focus areas differ—interconnection engineers concentrate on grid connection processes, whereas power systems engineers focus on system performance and design.

Infographic showing various Interconnection Engineer job openings in Highlands Ranch, CO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 52% In-person, 16% Hybrid, and 32% Remote job distribution.

Design Engineer - Dynamic Studies and Modeling

Ulteig

Denver, CO • On-site

Full-time

Re-posted 29 days ago


Ulteig rating

9.6

Company rating: 9.6 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

8th of 451 rated engineering


Job description

The Opportunity

Ulteig is currently seeking talented and motivated Design Engineer level engineering candidates to support dynamic power system studies within the Renewables – Electrical department.  This position would focus on PSSE, PSLF, and PSCAD dynamic models and studies for various applications including supporting Interconnection Applications for renewable plants, NERC compliance studies, and/or supporting custom models developed in house.    

What You'll Do

The Design Engineer develops and tests renewable energy models, performs dynamic system studies, supports interconnection applications, and collaborates with clients to meet evolving grid and compliance requirements.

The Design Engineer for the dynamic studies team is expected to perform the following tasks:

  • Develop PSSE, PSLF, TSAT and PSCAD models of renewable plants
  • Perform model quality tests and model benchmarking for various software models.
  • Understand dynamic model block diagrams and tune parameters to meet regional model performance requirements.
  • Support interconnection applications; tasks include preliminary plant design, assemble simple preliminary drawings, and completing application forms with design information
  • Conduct some preliminary system studies, like reactive power studies.
  • Work closely with the developer clients to understand their needs, deadlines, changes in design and address feedback from the system operator/transmission owner.
  • Understand and stay apprised of updates with various regional requirements for interconnection applications, processes, deadlines and queue schedules.
  • Respond quickly to customer design changes, questions and deadlines, and maintain a flexible attitude towards the work.
  • Stay current with regulatory changes, new grid codes, and evolving ISO/RTO requirements related to grid interconnections.
  • Conduct voltage and frequency ride through studies, and support model validation for renewable projects to support NERC compliance standards.
  • Stay up to date on new industry guidance and standards for modeling and NERC compliance for relevant technologies
  • Help develop tools to automate and streamline model quality tests and analyses

What We Expect from You 

  • Bachelor’s degree in Electrical Engineering required, ABET accredited program, or equivalent required
  • A minimum of 2 years of working experience, with at least 1 years of experience directly related to power systems
  • Experience with steady-state analysis and/or dynamic analysis utilizing PSS®E and PSCAD
  • Experience with steady-state analysis and/or dynamic analysis utilizing PSS®E and PSCAD
  • Prior experience working with/for transmission system operators/transmission owners (ERCOT, PJM, MISO, CAISO, etc.) is preferred.
  • Experience with PSCAD, PSLF and TSAT modeling is preferred.
  • Experience with programming in Python preferred
  • Independently completes assigned tasks required
  • Actively manages individual workload, adapts to changing requirements, maintains flexibility
  • Must be a self-starter and willing to identify improvements and implement them, utilizing support from others
  • Must be comfortable asking questions to team when learning new skills
  • Must be analytical, self-motivated, and possess the ability to work in a fast-paced environment while maintaining a positive, enthusiastic attitude
  • Excellent presentation and verbal/written communications skills
  • Demonstrates strong interpersonal skills with the ability to establish and maintain effective working relationships with staff, management, clients and external agencies
  • Demonstrates openness to innovation by embracing and applying evolving technology and AI tools to enhance workflows, solve problems, and drive continuous improvement
  • Must have authorization to work permanently in the U.S

As you consider applying for a position at Ulteig, we encourage you to think outside the box – because we do! You might not meet 100% of the skills listed in a description, but we are committed to hiring people with exceptional talent, ability and potential, and then creating an environment where they can become the best versions of themselves. We don’t want to miss out on the possibility of speaking with the next outstanding Ulteig team member, so please apply if you think this role is a great match for your unique skills and strengths. And, yes, relevant military experience is absolutely considered for transitioning service members.

What You Can Expect from Ulteig

Ulteig is a purpose driven organization that has built a culture focused on people – both our clients and our employees –for over 80 years. Working at Ulteig is more than a job, opening opportunities to make an impact by creating and solving for a sustainable future. We recognize our success relies heavily on the dedication and focus of our workforce; this is why we make investing in our employees a top priority. We prioritize flexibility and staying connected to meet your needs and help you achieve your goals. We value your unique perspective, respect your individuality and celebrate your contributions. At Ulteig, we take our own success and the success of our clients personally.

We offer our team members:
• Flexible Workplace
• Employee Ownership
• Competitive Pay
• Comprehensive Benefits Package
• Collaborative Environment
• Innovative Culture


Our vision is to be the most trusted partners transforming our world’s critical infrastructure. Ulteig connects people and resources to develop compelling, integrated solutions across multiple Lifeline Sectors®, including Power, Renewables, Transportation and Water. Ulteig is a trusted partner in engineering North America’s essential infrastructure and leverages its expertise with a wide range of public and private clients.


At Ulteig, we care deeply about our team, listening to their needs and ensuring they have the tools necessary to be productive whether they choose to work remotely, hybrid or in office. Regardless of where you work, you are empowered to build a workday that best suits your strengths. We strive to ensure a balance and separation between home and work life. We support a flexible working schedule so employees are able to focus on what's important to them.
If you would like to be a part of a company that empowers their employees, apply today!

Ulteig is a Drug Free Workplace

 ACHIEVE | GROW | COLLABORATE

Additional Opportunity Details:
Target Base Compensation Range for this role is $93,800-$126,900
* Factors that may be used to determine your actual salary include your job specific skills, education, training, job location, number of years of experience related to this role and comparison to other employees already in this role

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 60 days until a qualified applicant is selected or the position has been cancelled.

Notice to Recruiters and Staffing Agencies: to protect the interests of all parties, Ulteig Engineers, Inc., will not accept unsolicited resumes from any source other than directly from a candidate or an approved vendor that has a written and signed agreement in place with Ulteig. Please do not contact or forward resumes to our company employees or locations. Any unsolicited resumes will be considered Ulteig property. Ulteig is not responsible for any charges or fees related to unsolicited resumes.


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