Mechanical Engineer

Citrine Energy LLC; Denver, Northern (CO, KY); Hybrid; USD 95,000 - 125,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) with company match

Paid time off, holidays, sick leave

Professional development assistance

Flexible work schedules

Job summary

Citrine Energy LLC is seeking a Mechanical Engineer to design and deliver HVAC, plumbing, and mechanical systems for commercial, industrial, and mission-critical projects in Colorado. The role involves design, construction support, commissioning coordination, and detailed technical documentation, with hybrid work flexibility and occasional site travel.

Qualifications include a Bachelor's in Mechanical Engineering, 5+ years of HVAC/building systems experience, and proficiency in Revit/AutoCAD.

Qualifications

• Design HVAC, plumbing, and mechanical systems for commercial, industrial, and mission-critical projects.
• Perform load calculations, equipment sizing, system analysis.
• Develop solutions to improve performance, reliability, safety, and code compliance.
• Prepare technical reports, drawings, specifications, and other project documentation.
• Support design development through construction administration, commissioning coordination, and project closeout.
• Review project requirements, technical documents, and design criteria for successful execution.
• Coordinate with internal teams, clients, contractors, and other disciplines to ensure alignment.
• Conduct site visits, field investigations, and equipment assessments.
• Assist with troubleshooting during design, construction, and operations.
• Apply engineering standards, codes, regulations, and quality procedures.
• Maintain accurate project records and deliverables.
• Support planning, scheduling, and progress monitoring.
• Work independently and collaboratively while managing multiple assignments and deadlines.
• Contribute to a safe working environment and safety procedures.

Responsibilities

• Design and specify HVAC, plumbing, and mechanical systems for multiple building types.
• Perform engineering calculations and system sizing to meet codes and project goals.
• Prepare drawings, reports, and specifications for design bundles.
• Assist with construction administration, commissioning coordination, and closeout.
• Collaborate with project teams to ensure on-time delivery and quality results.
• Conduct site visits to verify installations and performance.

Skills

HVAC design

Load calculations

System analysis

Field support

Engineering documentation

Team collaboration

Travel

Education

Bachelor's degree in Mechanical Engineering

Tools

Revit

AutoCAD

Load calculation software

Job description

Description

We are seeking a Mechanical Engineer to support the design and delivery of mechanical systems across commercial, industrial, and mission-critical projects. This role is ideal for an engineer who enjoys solving complex technical challenges, developing practical design solutions, and collaborating with multidisciplinary teams throughout the project lifecycle.

The Mechanical Engineer will support projects through design, construction support, commissioning coordination, and technical documentation. This position will contribute to mechanical system design activities including HVAC, plumbing, equipment selection, system analysis, and field support while working closely with project managers, engineers, designers, clients, and contractors.

This position is ideally suited for candidates located near Lakewood or Grand Junction, CO, with flexibility for hybrid work arrangements. Remote work may be considered for qualified candidates based on role requirements and business needs. Occasional travel to project sites, client locations, and Citrine offices is required.

Requirements

• Design HVAC, plumbing, and mechanical systems for commercial, industrial, and mission-critical building projects.


• Perform load calculations, equipment sizing, system analysis, and engineering evaluations.


• Develop engineering solutions that improve system performance, reliability, safety, and code compliance.


• Prepare technical reports, calculations, drawings, specifications, and other project documentation.


• Support projects through design development, construction administration, commissioning coordination, and project closeout.


• Review project requirements, technical documents, and design criteria to support successful project execution.


• Coordinate with internal teams, clients, contractors, and other disciplines to ensure project alignment and timely delivery.


• Conduct site visits, field investigations, and equipment assessments as required.


• Assist with troubleshooting, problem-solving, and resolving technical issues during design, construction, and operational phases.


• Apply applicable engineering standards, codes, regulations, and company quality control procedures.


• Maintain accurate project records, documentation, and deliverables in accordance with company and client requirements.


• Support project planning, scheduling, and progress monitoring activities.


• Work independently and collaboratively while managing multiple assignments, priorities, and deadlines.


• Contribute to a safe working environment and follow company health, safety, and quality procedures.

Qualifications

• Bachelor's degree in Mechanical Engineering or related engineering field.


• 5+ years of experience in HVAC and/or building mechanical systems design, or related engineering experience.


• Strong understanding of HVAC design principles, psychometrics, thermodynamics, and heat transfer concepts.


• Experience designing commercial building mechanical systems and HVAC applications.


• Experience with engineering design software such as Revit, AutoCAD, and/or load calculation software.


• Ability to read and interpret construction documents, specifications, drawings, and technical documentation.


• Strong analytical, problem-solving, organizational, and communication skills.


• Ability to collaborate effectively within multidisciplinary project teams.


• Ability to manage multiple assignments and meet project deadlines in a fast-paced environment.


• Willingness to conduct occasional site visits and travel as needed.

Background Check and Site Access

• Candidate must successfully pass a background check, which may include verification of employment, education, and other records in accordance with state, local, and federal requirements.


• A valid driver's license must be possessed and maintained.


• The ability to obtain and maintain access authorization for government and other secured facilities and sites is required.

Benefits

Citrine is committed to supporting the health, well-being, and work-life balance of employees and their families through a comprehensive benefits package, which may include:

• Medical, dental, vision insurance


• 401(k) with company match


• Paid time off, paid holidays, and paid sick


• Voluntary supplemental insurance options


• Company cell phone plan


• Professional development assistance


• Flexible work schedules

Eligibility requirements and waiting periods may apply to certain benefits.

Equal Employment Opportunity (EEO) Statement:

Citrine LLC is an Equal Opportunity Employer and maintains a workplace free from discrimination, harassment, and retaliation. We are committed to providing equal employment opportunities to all applicants and employees in accordance with applicable federal, state, and local laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex pregnancy, sexual orientation, gender identity, national origin or ancestry, genetic information, marital status, age, protected veteran status, disability (physical or mental), or any other legally recognized protected basis under federal, state, or local laws, regulations, or ordinances. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our application and hiring processes. If you are an individual with a disability and require assistance or accommodation to complete the application process, please contact us at [e-mail].