Sr. Mechanical Engineering Manager

Citrine LLC; Denver (CO); Hybrid; USD 130,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) with company match

Paid time off & holidays

Company cell phone plan

Flexible work schedules

Job summary

Citrine LLC seeks an Sr. Mechanical Engineering Manager to lead our mechanical engineering team while remaining engaged in technical work. Based in Colorado with hybrid flexibility, you will mentor staff, guide design across HVAC, plumbing, and process systems, and ensure project success for commercial, industrial, and government projects.

Travel to sites and Citrine offices is required. You will drive technical direction, review complex deliverables, and collaborate with clients and project

Qualifications

• 10+ years of mechanical engineering experience with progression into leadership roles.
• Experience mentoring engineers, designers, or technicians and guiding technical initiatives.
• Strong understanding of mechanical systems design across commercial, industrial, and government facilities.

Responsibilities

• Lead Citrine’s mechanical engineering team, providing direction, mentorship, and technical support.
• Serve as senior mechanical technical lead for complex client-driven projects.
• Oversee design activities: HVAC, plumbing/piping, process/mechanical systems, and equipment.
• Review deliverables for accuracy, code compliance, and alignment with requirements.
• Guide project execution from design development through commissioning and closeout.
• Coordinate with PMs, discipline leads, contractors, and clients to define scope and ensure execution.

Skills

Leadership

Mentorship

Technical direction

Client collaboration

Project planning

Communication

Education

Bachelor’s degree in Mechanical Engineering

Tools

Revit

AutoCAD

Mechanical design software

Job description

Description

We are seeking an experienced Sr. Mechanical Engineering Manager to lead our mechanical engineering team while remaining actively engaged in technical project work. This role is ideal for a seasoned mechanical professional who enjoys developing teams, solving complex engineering challenges, and serving as a trusted technical resource for clients and project teams.

The Sr. Mechanical Engineering Manager will oversee mechanical engineering team operations, mentor engineers and technical staff, support project execution, and provide technical leadership across commercial, industrial, and government-related projects. This position will help guide mechanical design and analysis activities including HVAC systems, plumbing systems, process piping, equipment selection, and commissioning support.

This position is based in Lakewood or Grand Junction, CO with flexibility for hybrid work arrangements. Travel to project sites, client locations, and other Citrine offices is required.

Requirements

• Lead and manage Citrine’s mechanical engineering team, providing technical direction, mentorship, and support across varying experience levels.
• Serve as the senior mechanical technical lead for commercial, industrial, and government/federal projects.
• Provide oversight and technical guidance for mechanical design activities including:
  • HVAC systems
  • Plumbing and piping systems
  • Process/mechanical systems and equipment
  • Energy efficiency and system optimization
  • Commissioning and troubleshooting support
• Review mechanical engineering deliverables for technical accuracy, quality, code compliance, and alignment with client requirements.
• Provide technical support and guidance on complex project challenges and design decisions.
• Support project teams through design development, construction administration, commissioning, and closeout activities.
• Participate in client meetings, project kick-offs, design reviews, and technical discussions.
• Coordinate with project managers, discipline leads, contractors, and clients to ensure electrical scope is clearly defined and successfully executed.
• Support resource planning, workload balancing, and assignment prioritization across the mechanical team..
• Identify project risks, scope changes, technical challenges, and resource needs.
• Establish and maintain mechanical quality control processes, standards, and best practices.
• Support recruiting, onboarding, mentoring, and professional development of mechanical team members..
• Conduct performance evaluations and provide feedback to support employee growth.
• Foster a collaborative, accountable team culture consistent with Citrine’s values.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related technical field preferred.
• 10+ years of progressive mechanical engineering experience, with demonstrated experience leading projects, teams, or technical initiatives.
• Experience managing, mentoring, or providing technical direction to mechanical engineers, designers, or technicians.
• Strong understanding of mechanical systems design and analysis for commercial, industrial, and/or government facilities.
• Experience with HVAC systems, plumbing, piping, and mechanical equipment design.
• Experience reviewing mechanical drawings, specifications, calculations, and technical documentation.
• Working knowledge of applicable codes and standards (e.g., ASHRAE, IMC, IPC, SMACNA, and other industry standards).
• Experience supporting construction, commissioning, startup, troubleshooting, or field activities.
• Strong communication skills with the ability to collaborate with clients, project teams, and internal stakeholders.
• Ability to manage multiple priorities while supporting team performance and project deadlines.

Preferred Qualifications

• Professional Engineer (PE) license preferred or ability to obtain licensure.
• Experience leading mechanical engineering teams within a consulting, design, or engineering services environment.
• Experience supporting commercial, industrial, utility, government, or federal projects.
• Experience with energy modeling, system optimization, or sustainability initiatives is a plus.
• Experience with Revit, AutoCAD, or mechanical design software.
• Project management experience or PMP certification is a plus.

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

• 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
• 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].