Python Developer Jobs in Longmont, CO (NOW HIRING)

ABOUT ADVANCED ENERGY
Advanced Energy (Nasdaq: AEIS) is a global leader in the design and manufacturing of highly engineered, precision power conversion, measurement and control solutions for mission-critical applications and processes. AE's power solutions enable customer innovation in complex applications for a wide range of industries including semiconductor equipment, industrial, manufacturing, telecommunications, data center computing and healthcare. Advanced Energy has devoted four decades to perfecting power for its global customers and is headquartered in Denver, Colorado.
WHY BE A PART OF ADVANCED ENERGY?
Some people say it's like working in the best of two worlds. We operate like an agile, growing, small company - you can see your work make a difference to the company every day. Things move quickly and you can see and feel it. At the same time, we're a global company founded in 1981 and have been publicly traded for more than 28 years. We have a strong cash position, deep trust and partnership with leading customers, a global best-in-class operations capability, and a proven leadership team. We have a track record and resources to make things happen both organically and inorganically. Being part of a nimble company with a solid foundation attracts team members that are capable, driven and like a challenge. Our employees collaborate and know how to have fun inventing, working, building and winning together. At our core, we are Advanced Energy - powering the future, together.
POSITION SUMMARY:
Advanced Energy is looking for an Engineer II to join our Regression Test Engineering (RTE) team in Ft. Collins, Colorado. Working within and supporting an Agile software development process, this Engineer will design, develop, test, and implement automated firmware tests for high frequency and high voltage systems to ensure high quality standards.
RESPONSIBILITIES:
• Design and execute regression and performance tests for RF-based plasma power systems.
• Responsible for supporting Test Engineering efforts in the design and analysis of new and existing automation test processes and quality goals.
• Develop Python tests in a structured environment capable of running in an automated DevOps environment.
• Develop mathematical models and iterative algorithms to ensure comprehensive test coverage.
• Develop methods for validating system performance by analyzing waveform and signal data.
• Collaborate with design and systems engineers to troubleshoot and resolve issues related to RF performance, reliability, and test yields.
• Other duties as assigned.
WORK ENVIRONMENT:
• Location: Fort Collins, Colorado
• Works in a standard office environment utilizing standard office equipment, engineering lab and in a manufacturing facility
QUALIFICATIONS:
• Minimum of 3 years of previous experience working in Test Engineering or similar with bachelor's degree in engineering or similar.
• Proven ability to use professional concepts appropriate to software engineering, including analytical methods, object-oriented programming, computer aided design tools, test equipment, lab skills appropriate to test.
• Advanced working knowledge of Python software programming languages. Knowledge of C, C++.
• Ability to function within an environment where general instructions on routine work is received.
• Knowledge of DevOps tools such as containers, pipelines, databases.
• Ability to solve complex technical problems with minimal assistance.
• Good verbal, written communication, and interpersonal skills.
EXPERIENCE:
• Minimum of 3 years related experience in automated test development with Python programming.
• Related experience in the use of DevOps tools, Git, BitBucket, BitBucket Pipelines, Containers etc.
• Experience in test development of embedded systems a plus.
• Experience in hardware or systems engineering a plus.
EDUCATION:
• Bachelor's degree in Engineering or similar required.
COMPENSATION:
As required by multiple state pay transparency laws, Advanced Energy provides a reasonable range of compensation for each job posting. Actual compensation is influenced by an array of factors including, but not limited to, skill set, level of experience, and specific office location. The range of starting pay for this role is $75,000 - $105,000 per year.
BENEFITS:
As part of our total rewards philosophy, we believe in offering and maintaining competitive compensation and benefits programs for our employees to attract and retain a talented, highly engaged workforce. Our compensation programs are focused on equitable, fair pay practices including market-based base pay, an annual pay-for-performance incentive plan, and discounted Employee Stock Purchase Plan.
In addition to our competitive compensation practices, we offer a strong benefits package in each of the countries in which we operate. In the U.S., we offer a rich benefits package that includes:

• Medical - multiple medical plans are available to choose from
• Short and long-term disability and life insurance
• Health savings and flexible spending accounts
• Generous time off policy starting with 3 weeks of paid vacation, 7 days of paid sick time, and 12 paid holidays
• 8 hours of paid volunteer time off
• 8 weeks of paid parental leave for both Moms and Dads
• Company matched 401(k)
• Tuition reimbursement
• Expanded mental health coverage and employee assistance programs
• Other voluntary benefits include critical illness, accident and hospital indemnity, pet insurance, identify theft, and legal assistance

Advanced Energy is committed to diversity in its workforce including Equal Employment Opportunity for Minorities, Females, Protected Veterans, and Individuals with Disabilities.
Advanced Energy is also committed to providing reasonable accommodations in our job application process/procedures for qualified individuals with disabilities. If you require assistance in completing an Advanced Energy application, please reach out to HumanResources@aei.com.
CO ONLY:
Applications will be accepted through 5/15/2026, the company reserves the right to review applications at any point after they are submitted.