Mechanical Engineer 4 - Active TS/SCI

M.C. Dean, Inc.; Alexandria (VA); On-site; USD 80,000 - 100,000; Full time

Benefits offered by this job

Medical, dental, vision, life, and disability insurance

Paid time off

Tuition reimbursement

401k Retirement Plan

Paid maternity leave

Job summary

M.C. Dean, Inc. in Alexandria, Virginia, seeks a qualified Mechanical Engineer to design and oversee mechanical systems for critical facilities. Candidates must have a Bachelor's in mechanical engineering, 7 years of experience, and an active TS/SCI clearance.

The role involves developing system designs, ensuring compliance with regulations, and providing technical oversight during project execution. A competitive salary along with medical, dental, and other benefits are offered.

Qualifications

• 7+ years of progressive experience in mechanical design, project execution, or facilities engineering.
• Active TS/SCI clearance is required to start.
• Must have passed the NCEES Fundamentals of Engineering (FE) exam.

Responsibilities

• Develop and review mechanical system designs using AutoCAD/Revit.
• Create scopes of work and technical specifications for bidding.
• Provide technical oversight during construction and ensure project quality.
• Collaborate with facilities managers for ongoing operations support.

Skills

Mechanical design

HVAC

Construction management

Communication skills

Education

Bachelor’s degree in mechanical engineering

Tools

AutoCAD

Revit

MS Project

Carrier HAP

Trane Trace

Job description

Overview

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable mission critical facilities, secure environments, complex infrastructure, and global enterprises. The company’s capabilities include electrical, electronic security, telecommunications, life safety, automation and controls, audio visual, and IT systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 7,000 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.

Why Join M.C. Dean?

Our people are inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.

Clearance and Security Requirements

Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information. Active TS/SCI clearance is required to start. Candidates must be willing and able to obtain a polygraph as a condition of continued employment.

License/Certification Requirement

Must have passed the NCEES Fundamentals of Engineering (FE) exam.

Disclaimer

Applicant must successfully meet all customer-imposed requirements. Such requirements may include, but are not limited to, completion of a customer-provided weapons qualification program, successful completion of customer-directed medical screening, and fulfillment of any additional training, certifications, or evaluations as required by the customer.

Responsibilities

• Design Work
  • Develop and review mechanical system designs (HVAC, piping, plumbing, and related infrastructure)
  • Perform load calculations, equipment sizing, and system layouts using AutoCAD/Revit and relevant software
  • Ensure all designs comply with applicable codes, standards, and sustainability goals
• Bid Work
  • Create scopes of work, technical specifications, and detailed bid packages
  • Evaluate contractor proposals and assist with bid selection and procurement strategy
  • Participate in pre-bid meetings and respond to RFIs as needed
• Run Work (Execution & Oversight)
  • Provide technical oversight during construction, repair, or retrofit projects
  • Coordinate closely with contractors, field technicians, and stakeholders
  • Perform site inspections, submittal reviews, punch lists, and ensure project quality and compliance
  • Monitor schedules and budgets, resolving issues to maintain project delivery standards
• Facilities Support
  • Provide engineering support for ongoing operations, preventive maintenance planning, and system troubleshooting
  • Collaborate with facilities managers and maintenance teams to identify system upgrades or lifecycle replacements
  • Maintain as-built documentation and contribute to asset management systems

Qualifications

• Bachelor’s degree in mechanical engineering, or a related engineering discipline
• 7+ years of progressive experience in mechanical design, project execution, or facilities engineering
• Active TS/SCI clearance is required to start. Candidates must be willing and able to obtain a polygraph as a condition of continued employment
• Must have passed the NCEES Fundamentals of Engineering (FE) exam
• Proficiency in HVAC, plumbing, mechanical systems, and construction management
• Experience with AutoCAD, Revit, MS Project, and engineering software (e.g., Carrier HAP, Trane Trace)
• Familiarity with ASHRAE standards, IBC, and local building codes
• Strong communication, coordination, and documentation skills

Desired / Advantageous Qualifications

• Work within government, commercial, healthcare, or mission‑critical facilities
• Experience managing subcontractors and vendors
• Understanding of energy efficiency, commissioning, and sustainability practices

Benefits

• A competitive salary
• Medical, dental, vision, life, and disability insurance
• Paid time off
• Tuition reimbursement
• 401k Retirement Plan
• Military Reserve pay offset
• Paid maternity leave

Abilities

• Exposure to computer screens for an extended period of time
• Sitting for extended periods of time
• Reach by extending hands or arms in any direction
• Have finger dexterity to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard
• Listen to and understand information and ideas presented through spoken words and sentences
• Communicate information and ideas in speaking so others will understand
• Read and understand information and ideas presented in writing
• Apply general rules to specific problems to produce answers that make sense
• Identify and understand the speech of another person