Senior Mechanical Engineer (MEP)

Job Description

Job Description

Please note: This role is targeted for a Q3/4 hiring timeline. We are proactively accepting applications and engaging with interested candidates in advance. 

Senior Mechanical Engineer (MEP)

Work Location: Rockville, MD 20852

Employment Type: Full-time regular

About This Opportunity

Through a constructive and energetic approach, guided by the objectives of the company, the Senior Mechanical Engineer will play a key role in delivering high-quality mechanical engineering services for the built environment. This position will provide advanced technical expertise, collaborate with project teams across disciplines, and ensure that mechanical systems meet performance, efficiency, and sustainability goals. The Senior Mechanical Engineer will contribute to operational excellence, support business development efforts, and serve as a trusted resource for solving complex challenges in existing buildings and facilities related to HVAC, plumbing, and other mechanical systems.

Services may include system analysis, energy auditing and modeling, troubleshooting, maintenance planning, design and retrofitting, retro-commissioning, commissioning, and forensic investigations.

Successful candidates for this opportunity will have an entrepreneurial mindset, strong problem-solving skills, and proven experience in evaluating and managing large and complex mechanical systems projects. As you work alongside Walker's multidisciplinary team, you will have the opportunity to grow in your career, make a meaningful impact on the projects you lead, and apply your expertise to a wide variety of building types and challenges.

• Annual discretionary bonus program 
• Opportunity to purchase Walker stock – Walker is 100% employee-owned! 
• Medical, dental, vision, company-paid life insurance
• Mental wellness benefits  
• Health Savings Account with company contribution  
• 401(k) with company match 
• Flexible Spending Accounts and Commuter Spending Accounts  
• 529 college savings plan 
• A minimum of 3 weeks of Paid Time Off per year 
• 9 paid holidays per year, including 3 paid floating holidays 
• 5 days of bereavement leave and PTO Donation Bank to help during difficult times 
• 100% compensation replacement during short-term disability leaves  
• Paid parental leave that allows an additional week of paid time alongside short-term disability leave and/or applicable state paid leave programs 
• Paid community involvement hours 
• Tuition and licensure reimbursement and sponsorship of professional memberships
• Internal conferences and professional development opportunities
• Employee Resource Groups and Affinity Groups

• Conduct forensic investigations of mechanical, electrical, and plumbing systems to identify causes of failures, performance issues, or non-compliance.
• Perform site inspections, testing, and data collection; review drawings, specifications, and maintenance records.
• Analyze system performance against design intent, codes, and industry standards.
• Prepare detailed technical reports, including findings, conclusions, and recommendations.
• Develop repair plans, remedial design concepts, or replacement strategies.
• Serve as a technical expert in litigation, insurance, or dispute resolution matters.
• Lead projects from initial client contact through final deliverables, coordinating with multidisciplinary teams.
• Maintain and grow client relationships; identify opportunities for additional services.
• Mentor and guide junior engineers in investigation techniques and technical reporting.
• Stay current with emerging technologies, materials, and regulatory changes affecting MEP systems.

• Bachelor’s/Master’s degree in mechanical engineering or similar. 
• Registered Professional Engineer in which offices/projects are located.
• 10+ years of MEP consulting services, which may include Forensics (expert witness/litigation support) and/or commissioning/retro -commissioning experience.
• Experience managing projects, selling the business and promoting MEP practices.
• A desire to become an owner through Walker’s Employee Stock -Purchase Program. We are proudly 100% employee-owned.
• Excellent verbal and written communication skills.
• Willingness to travel.

At Walker Consultants, we are committed to maintaining fairness and equity in our pay practices. The final salary offered may vary based on factors such as experience, qualifications, skills, location, internal equity, and other considerations permitted by law. We value open conversations about compensation and welcome the opportunity to discuss more about base salary and Walker’s total rewards philosophy during the recruiting process.   

Why Walker Consultants

Walker provides comprehensive MEP (Mechanical, Electrical, and Plumbing) services focused exclusively on the performance, reliability, and longevity of existing buildings. Our engineers specialize in uncovering the root causes of system inefficiencies, failures, and compliance issues, whether mechanical, electrical, or plumbing in nature. Through targeted investigations, detailed assessments, and advanced diagnostics, we deliver solutions that restore function, improve efficiency, and extend the useful life of building systems.

MEP systems are the lifeblood of a facility, directly influencing energy consumption, occupant comfort, safety, and operational costs. Our experts excel in retrofitting, commissioning, maintenance planning, and forensics — ensuring systems continue to perform optimally throughout a building’s lifecycle. With a nationwide footprint, Walker combines swift, local response with the depth of expertise found in our multidisciplinary team, delivering proven solutions to complex challenges in existing facilities.

Join Us!

We know that great talent comes in many forms. If you're excited about this role but don’t meet every single requirement, we still encourage you to apply! You might just be the right person for this role—or another opportunity on our team. 

At Walker Consultants, we are committed to fostering an inclusive workplace where everyone can thrive. We welcome and encourage applications from individuals of all abilities. If you require any accommodations during the application or interview process, or in the workplace, please let us know—we will work with you to ensure a fair and accessible experience.   

Walker Consultants is an Equal Opportunity Employer (EOE). We invite all qualified applicants to apply and do not discriminate against individuals because of their race, color, religion, national origin, gender, physical or mental disability, veteran status, or age.  

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.