--- title: Mechanical Engineer 4 Active Top Secret at M.C. Dean description: M.C. Dean is hiring for the Mechanical Engineer 4 Active Top Secret role in Alexandria, VA. Full-time role. See the full description and apply. type: job url: https://www.foundrole.com/jobs/mechanical-engineer-4-active-top-secret-at-mc-dean-inc-01a0d21b-bf07-753e-9b3b-410231b15f56 date: 2026-09-28T21:22:40Z og_description: Join M.C. Dean as Mechanical Engineer 4 Active Top Secret in Alexandria, VA. Pays $125.1K–$187.7K per year. Full-time role. og_image: https://www.foundrole.com/og/wrzf8o.png breadcrumbs: - label: Home url: https://www.foundrole.com/ - label: Search url: https://www.foundrole.com/jobs --- | | | |---|---| | **Company** | M.C. Dean | | **Location** | Alexandria, VA | | **Salary** | $125.1K/yr - $187.7K/yr | | **Type** | Full Time | | **Posted** | Sep 23, 2026 | ## 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 Requirement:** 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 Top Secret clearance required to start. Candidates must be willing and able to obtain a Polygraph as a condition of continued employment.** **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 We are seeking a skilled **Mechanical Engineer** to lead and support design, bid, and execution of mechanical systems work within a facilities operations and maintenance environment. This role requires technical expertise, field coordination, and project ownership from concept through completion. - 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  - 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 Top Secret clearance 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 **We offer an excellent benefits package including:** - 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 in order 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. Pay Range USD $125,120.00 - USD $187,680.00 /Yr. ## Skills - Equipment Maintenance - Project Management - Construction - HVAC - Fundamentals of Engineering (Fe) Exam - ASHRAE Standards - Energy Efficiency Practitioner - Order Fulfillment - Load Calculations - Site Inspection - Investigation - Scope of Work Development - Mechanical Design - Sustainability - Pipe (Fluid Conveyance) - Planning - Building Codes - Retrofitting - Equipment Sizing - Mechanical Systems - Technical Writing - Commissioning - Microsoft Project - Project Execution - Quality Compliance - Autodesk Revit - Critical Facilities - Trane TRACE - International Building Code (Ibc) - Punch List Management - Submittal Review - AutoCAD - Request for Information (Rfi) - Procurement - Manual Dexterity - Coordinating - As-Built Drawings - Asset Management - Technical Documentation - Polygraphy - Top Secret Security Clearance - Maintenance - System Upgrades - Construction Management - Communication - Writing - Budgeting ## Benefits - Financial Aid/Assistance - Health Insurance - Dental Insurance - Vision Insurance - Disability Insurance - Life Insurance - Parental Leave - Paid Time Off (Pto) - 401(k) Plans - Other Retirement and Savings ## How to Apply [Apply for this position](https://www.foundrole.com/jobs/mechanical-engineer-4-active-top-secret-at-mc-dean-inc-01a0d21b-bf07-753e-9b3b-410231b15f56?utm_source=ai_markdown) ## Related - [Browse all companies](https://www.foundrole.com/companies?utm_source=ai_markdown)