Mechanical Systems Engineer

Parsons; Washington (District of Columbia); On-site; USD 120,000 - 170,000; Full time

Job summary

Parsons is seeking a Mechanical Systems Engineer to support a major DoD construction program in the National Capital Region (Washington, DC). You will provide Owner's Agent CM services, focusing on mechanical systems oversight, testing, and commissioning.

You will review drawings, witness startup and TAB, and coordinate with government staff, design engineers, and contractors to ensure compliance with design requirements and federal standards.

Qualifications

• Bachelor's degree in Mechanical Engineering.
• 10+ years of related experience in mechanical engineering and construction.
• PE or RA license required.
• Experience with mechanical system testing, commissioning, and acceptance.
• Knowledge of ASHRAE standards and codes.
• U.S. citizenship and ability to pass background check.

Responsibilities

• Provide technical oversight and acceptance support for mechanical systems.
• Review drawings, submittals, testing procedures, and commissioning docs.
• Conduct field inspections and assess readiness for testing.
• Witness startup and commissioning activities.
• Coordinate with government, engineers, and contractors.
• Prepare inspection reports and readiness assessments.
• Review RFIs and contract modifications affecting mechanical systems.
• Ensure integration with electrical, fire protection, and controls.

Skills

Mechanical systems

HVAC systems

Field inspections

Documentation review

Communication

Technical writing

Education

Bachelor's degree in Mechanical Engineering

Tools

MS Office

Job description

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible.

Job Description:

Parsons is seeking passionate, skilled, and experienced professionals to join a major program and construction management team supporting a Department of War customer in successfully delivering a significant construction program in the National Capital Region (Washington, DC).

In our anticipated role, Parsons will provide Owner's Agent Construction Management Services (CMa), including Program Management, Construction Management, Risk Management, Scheduling, Cost Estimating, Progress Reporting, Construction Quality Assurance, Safety, and other supporting services to achieve program success.

The Mechanical Systems Engineer provides specialized technical oversight, inspection, testing, and acceptance support for mechanical systems associated with complex federal construction, renovation, and infrastructure projects. Serving as part of the Government's Owner's Representative team, this position evaluates mechanical system installation, performance, commissioning, and operational readiness to ensure compliance with design requirements, applicable codes, and federal standards. Working closely with Government stakeholders, engineers, commissioning specialists, and construction contractors, the SME supports the successful testing, acceptance, and turnover of mechanical systems.

What You'll Be Doing:

• Provide technical oversight and acceptance support for mechanical systems, including HVAC, plumbing, piping, central utility plants, building automation, and associated mechanical equipment.
• Review mechanical drawings, specifications, equipment submittals, testing procedures, and commissioning documentation for compliance with contract requirements and applicable standards.
• Conduct field inspections and technical assessments to verify mechanical system installation, functionality, and readiness for testing and acceptance.
• Witness and evaluate mechanical equipment startup, Testing, Adjusting, and Balancing (TAB), functional performance testing, and commissioning activities.
• Review mechanical system performance data, test reports, deficiencies, and corrective actions to verify compliance with design and operational requirements.
• Coordinate with Government representatives, design engineers, construction managers, commissioning agents, and contractors to resolve technical issues and facilitate system acceptance.
• Evaluate mechanical system integration with electrical, fire protection, building automation, and other facility systems.
• Identify installation deficiencies, performance issues, and potential operational risks; recommend corrective actions and verify resolution.
• Support the review of Requests for Information (RFIs), technical submittals, design changes, and contract modifications affecting mechanical systems.
• Review mechanical system closeout documentation, including as-built drawings, operations and maintenance manuals, warranties, training records, and commissioning reports.
• Prepare technical inspection reports, deficiency lists, acceptance recommendations, and system readiness assessments to support Government decision-making.

What Required Skills You'll Bring:

• Bachelor's degree in Mechanical Engineering.
• Minimum of 10 years of related professional experience in mechanical engineering, mechanical systems construction, inspection, commissioning, or systems acceptance.
• Must possess at least one of the following professional licenses:
• Professional Engineer (PE)
• Registered Architect (RA)
• Demonstrated experience with mechanical building systems, including HVAC, plumbing, piping, mechanical equipment, and associated controls.
• Experience reviewing mechanical construction drawings, specifications, equipment submittals, and technical documentation.
• Knowledge of mechanical system installation, testing, commissioning, and acceptance procedures.
• Familiarity with applicable mechanical codes, ASHRAE standards, and construction quality assurance practices.
• Ability to evaluate mechanical system performance, identify deficiencies, and recommend corrective actions.
• Strong analytical, problem-solving, communication, and technical writing skills.
• Ability to coordinate effectively with Government stakeholders, engineers, contractors, and multidisciplinary construction management teams.
• Proficiency in Microsoft Office applications and familiarity with construction documentation and commissioning software.
• Must be a U.S. citizen and able to satisfy applicable federal background investigation requirements.

What Desired Skills You'll Bring:

• Experience supporting Naval Facilities Engineering Systems Command (