M.C. Dean

Designs and deploys secure mission-critical infrastructure

Energy Marshal

Environmental Health & SafetyConfirmed live in the last 24 hours

Full-timeAtlanta, GA, USANo salary listedIn-person

About the Job

Requirements

High school diploma or GED and at least 10 years of applicable experience in industrial or commercial field engineering at mission-critical facilities and electrical infrastructures.
In-depth knowledge of medium-voltage (>1000V) and low-voltage (<1000V) power distribution sequence of operations.
Ability to isolate potential energy sources, including potential backfeeds, and perform absence-of-voltage verifications.
Knowledge of NFPA 70E and certification in NFPA 70E.
Hands-on experience with startups, lockout/tagout, and absence-of-voltage verification.
Leadership experience in the electrical field, preferably overseeing commissioning.
Ability to make decisions in high-pressure environments with condensed schedules.
Knowledge of construction techniques, terminology, and documentation, including interpreting blueprints, electrical one-lines, and construction drawings.
Ability to sit for extended periods, reach with hands or arms, and use finger dexterity to manipulate objects.
Ability to listen to and understand spoken information, communicate verbally, read and understand written information, apply general rules to specific problems, and identify and understand another person's speech.

Responsibilities

Manage the site's electrical energy-isolation program for MEP energy and ensure energy-isolation activities are coordinated and executed across assigned locations according to established policies and procedures.
Review documentation, including procedures, job hazard analyses, and permits, and audit the electrical energy program for construction, commissioning, maintenance, and operations activities to ensure safe working conditions.
Work with construction and commissioning teams and other stakeholders to establish safe working conditions and properly test and validate the installation, operation, and performance of MEP systems.
Coordinate electrical energizations and de-energizations with other energy marshals and stakeholders.
Lead pre-energization and energization kickoff meetings before first-of-kind equipment or system energizations.
Understand the commissioning plan of record and commissioning specifications as they relate to equipment energization at the jobsite.
Advance electrical safety improvements on the job and for future designs.
Implement the site-specific Electrical Safety Plan.
Review near-energized-work scenarios and develop risk assessments to determine safe work practices in energized environments.
Provide field oversight during major commissioning or energy-isolation activities, including first-of-kind activities, MOPs, medium-voltage operations, and work affecting turned-over spaces.
Coordinate daily operations with the commissioning lead.
Participate in safety lockout/tagout inspections and audits.
Coordinate all lockout/tagout and outage requests with M.C. Dean Safety, the general contractor, the client, and affected vendor and subcontractor parties.
Coordinate energization requirements and potential impacts to the jobsite commissioning schedule.
Coordinate access and egress for access-controlled areas.
Train new and existing employees in energy-isolation processes and procedures.
Train individuals performing lockout/tagout and verify their competency by equipment type.
Attend daily commissioning meetings and weekly all-hands jobsite meetings.
Develop, review, and approve lockout/tagout permits.
Lead and attend M.C. Dean operational risk management safety briefs with the commissioning team and vendors.
Ensure personal protective equipment, tools, and equipment are suitable for use.

Desired Qualifications

Strong experience operating and maintaining building MEP systems, including power distribution, lighting, grounding, fire alarm, security, life safety, and controls systems.
Experience working with battery-backed-up and generator systems.

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.

Responsibilities

As a successful Energy Marshal you must have a strong desire and capability to learn, grow, and develop new skills while empowering a culture of safety, security, and compliance in all aspect of mission critical activities. Your understanding of the design and functionality of your datacenter in support of 24x7x365 on-site datacenters operations and MEP (Mechanical, Electrical, and Plumbing) infrastructure while acting as the technical authority for on-site electrical operations related to a large-scale mission critical MEP system, design, and functionality is critical to success.

You have responsibilities including but not limited to being responsible for the electrical energy isolation program management at the site for MEP energy. Accountability to ensure all activities related to the energy isolation process is coordinated and executed across the assigned location(s) according to established policies and procedures.

Ensure safe working conditions have been established by reviewing documentation (including procedures, job hazard analysis, and permits) and auditing the electrical energy program for construction, commissioning, maintenance, and operations activities.
Work with construction, commissioning teams, and other stakeholders to ensure safe working conditions to properly test and validate installation, operation, and performance of MEP systems.
Coordinate electrical energizations/de-energizations with other energy marshals and stakeholders.
Lead pre-energization and energization kick of meetings prior to first-of-kind (FoK) energization of equipment or systems.
Must understand the Commissioning plan of record/ Commissioning specifications as it relates to the energization of equipment for jobsite.
Advance electrical safety improvements on the job and for future designs.
Implementation of the site-specific Electrical Safety Plan.
Responsible for reviewing Near Energized Work scenarios and developing risk assessments that determine safe work practices for activities taking place within an energized environment.
Field presence during major Commissioning or Energy Isolation activities (FoK, MOPs, MV operations and affecting turned over spaces) for operation oversight
Coordinate with Cx Lead on the Commissioning Team daily operations.
Participate in the Safety LOTO inspections and audits.
Coordinate all LOTO and outage requests with MC Dean Safety, General Contractor, Client and affected vendor / subcontractor parties.
Coordinate energization requirements and potential impacts to the Commissioning schedule for jobsite.
Responsible for coordinating access and egress of access-controlled areas.
Training new and existing employees in Energy Isolation processes and procedures.
Train and verify competency of individuals performing LOTO per equipment type.
Attend and participate in daily Commissioning meetings and weekly all-hands meetings for jobsite.
Develop, review, and approve LOTO permits.
Have the ability to lead and attend MC Dean ORMs (safety brief) a with Cx team/vendors.
Assure PPE and necessary tools and equipment are suitable for use.

Qualifications

Required Qualifications:

HS Diploma or GED with 10+ years of applicable experience with industrial or commercial field engineering in mission critical facilities and electrical infrastructures
Has in depth knowledge of MV(>1000V) and LV(<1000V) power distribution sequence of operations (SOP).
Understanding and ability to isolate potential sources of energy with potential back feeds and perform absence of voltage verifications
NFPA 70E knowledge and certification.
Hands-on experience with startups, LOTO, and absence of voltage verification.
Leadership experience in the electrical field preferably overseeing Commissioning.
Ability to make decisions in high pressure environments with condensed schedules.
Knowledge of construction techniques, terminology, and documentation (Your ability to interpret blueprints, electrical one-lines, construction drawings etc.).

Preferred Qualifications:

Strong experience with the operation and maintenance of building MEP systems. (Power distribution, lighting, grounding, fire alarm, security, life safety, and controls systems).
Experience working with battery backed up and generator systems.

What we offer:

A collaborative team 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.
An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
Open and transparent communication with senior leadership as well as local office management.

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.

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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