Design Engineer Principal

M.C. Dean, Inc.; McLean (VA); On-site; USD 80,000 - 110,000; Full time

Job summary

M.C. Dean, Inc. is looking for a Design Engineer Principal to develop and integrate project engineering deliverables, including drawings and specifications. Candidates should have over 7 years of engineering experience and a Bachelor's degree in Engineering.

The role involves usage of 2D CAD/BIM skills, assisting other engineers on design reviews, and performing electrical calculations. Certifications such as CEM and knowledge of medium voltage design are highly valued.

Qualifications

• 7+ years of engineering experience required.
• Capable of performing electrical calculations.
• Certified Energy Manager (CEM) is a plus.

Responsibilities

• Develop project engineering deliverables including drawings and specifications.
• Assist in producing construction documents and electrical calculations.
• Use CAD/BIM skills to support engineering tasks.

Skills

Electrical engineering

Medium voltage design

PLC and ladder logic understanding

AutoCAD Inventor

MS Office Suite

Energy management

Education

Bachelor's degree in Engineering

Tools

AGI32

ETAP

SKM AutoCAD Revit

Bluebeam

Job description

About M.C. Dean

M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission‑critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, we deliver resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

Why Join Us?

Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward‑thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.

Position Summary

In this Design Engineer Principal Position, as part of a multidisciplinary team, you will be responsible for developing, integrating, and creating project engineering deliverables. These documents include drawings, specifications, product selection, installation sequence planning, and commissioning testing/commissioning scripts.

Responsibilities

• Uses the electrical engineering website to access department guides and standards
• Assist other engineers in producing conceptual design to construction documents from utilization voltage to low voltage including detailed equipment layout, single and three‑line diagrams, grounding, and feeder routing
• Prepares and reviews simple electrical sketches, specifications, and data sheets
• Performs simple routine electrical calculations
• Assists in design reviews and checks and assists in the development of specifications and installation details of construction materials and equipment
• Uses 2D CAD/BIM skills
• Assist on the development of Method of Procedures (MOP) and Sequence of Operations (SOP) to support construction execution effort
• Interprets mechanical, special and other miscellaneous equipment schedules and logic narratives
• Ability to accurately estimate completion percentage of assigned tasks

Qualifications

• 7+ years of experience in engineering with a Bachelor's degree in Engineering
• Capable of performing calculations for required short circuit and overcurrent protective device ratings
• Medium voltage design experience, including working knowledge of relay protection schemes
• Ability to understand PLC and ladder logic and write control sequences
• Certified Energy Manager (CEM)
• Certified in Power Quality (CPQ)
• Lighting Certified (LC)
• Certified Lighting & Efficiency Professional (CLEP)
• Design Build Institute of America (DBIA)
• INCOSE Certification
• AutoCAD Inventor
• MS Office Suite of products
• SharePoint Calculation Software – AGI32, ETAP, SKM AutoCAD Revit
• Engineering Document Management System (EDMS)
• Infrastructure Maintenance Management System (IMMS)
• AtTask Bluebeam

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