M.C. Dean

Designs and deploys secure mission-critical infrastructure

Principal Design Engineer

Building Services EngineeringConfirmed live in the last 24 hours

Full-timeTysons, VA, USA$125.1k - $156.4k /yrIn-person

About the Job

Requirements

At least 7 years of engineering experience and a Bachelor's degree in Engineering.
Ability to perform calculations for required short-circuit and overcurrent protective device ratings.
Medium-voltage design experience, including working knowledge of relay protection schemes.
Ability to understand programmable logic controller (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) certification.
INCOSE certification.
AutoCAD Inventor.
Microsoft Office Suite.
SharePoint, calculation software including AGI32, ETAP, and SKM, and AutoCAD Revit.
Engineering Document Management System (EDMS).
Infrastructure Maintenance Management System (IMMS).
AtTask and Bluebeam.
Ability to work with computer screens for extended periods and sit for extended periods.
Ability to reach by extending hands or arms in any direction and manipulate objects with fingers, such as using a keyboard.
Ability to understand spoken information and ideas, communicate verbally so others understand, and read and understand written information.
Ability to apply general rules to specific problems to produce sensible answers and identify and understand another person's speech.

Responsibilities

Use the electrical engineering website to access department guides and standards.
Assist other engineers in producing conceptual designs through construction documents, from utilization voltage to low voltage, including detailed equipment layouts, single- and three-line diagrams, grounding, and feeder routing.
Prepare and review simple electrical sketches, specifications, and data sheets.
Perform simple routine electrical calculations.
Assist with design reviews and checks, and assist in developing specifications and installation details for construction materials and equipment.
Use 2D CAD/BIM skills.
Assist in developing Methods of Procedure (MOP) and Sequences of Operations (SOP) to support construction execution.
Interpret mechanical, special, and other miscellaneous equipment schedules and logic narratives.
Accurately estimate the completion percentage of assigned tasks.
Develop and integrate project engineering deliverables, including drawings, specifications, product selection, installation sequence planning, and commissioning test scripts.

Overview

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, M.C. Dean delivers 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.

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

Responsibilities

Uses the electrical engineering web site 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 Assist 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 relays 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 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.

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

Pay Range

USD $125,120.00 - USD $156,400.00 /Yr.

About the Company

M.C. Dean

Designs and deploys secure mission-critical infrastructure

M.C. Dean designs, builds, operates, and maintains integrated cyber-physical systems for mission-critical facilities, secure environments, and large enterprises. Its work spans electrical power, security, telecommunications, life safety, automation and controls, audio-visual, and IT systems, all coordinated through management platforms that support long-term operation and sustainability. The company works end-to-end: it engineers solutions, installs them, and then runs and maintains them to ensure continuous, secure, and resilient performance. What sets it apart is its ability to provide comprehensive, turnkey technology and infrastructure services for critical environments—combining physical systems with digital management to create secure, automated facilities. The goal is to deliver automated, secure, and resilient power and technology systems and the platforms needed to manage them over the long term.

Company size: 1,001-5,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Tysons, VA
Founded: 1949

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