Mechanical Engineer III

markon· Construction/Facility Management
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📍 Arlington, VA, USFULL TIME💰 USD 140K–160K/yr

About this role

Description

Markon looking for an experienced senior mechanical engineer with extensive expertise in the construction industry to provide Owner's Representative construction management services to a DoD client.

Responsibilities

  • Design and develop mechanical heat load calculations and mechanical designs for renovation and new construction projects.
  • Review contractor proposals and designs and perform engineering analyses and evaluations.
  • Create and maintain engineering documentation, including drawings, specifications, and scopes of work.
  • Support testing and commissioning activities related to mechanical systems.
  •  Attend pre‑construction site walks, provide feedback on required mechanical scope for inclusion in the final project scope of work, and develop heat load calculations and designs for in‑house projects.
  • Review designs and calculations submitted by others, perform engineering analyses and evaluations, and provide feedback.
  • Conduct follow‑up surveillance during construction as needed to ensure work is performed according to approved drawings and design requirements.

Qualifications

  • Bachelor's in Mechanical Engineer with 15+ years of mechanical engineering experienceor 20+ years of experience in the design/construction or operations of chillers, cooling towers, controls, pumps, fans, air handling equipment, and heat exchangers WITH experience in working with construction management and projects greater than 250,000 square feet AND a Professional Engineer (PE) License.
  • Must be a U.S. Citizen.
  • Must be able to pass and maintain a Public Trust clearance (HSPD-12 fingerprint background check).

Salary Range

USD $140,000.00 - USD $160,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

 

At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

 

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

 

Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.

 

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

 

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.

Frequently Asked Questions

What is the salary for the Mechanical Engineer III role at markon?
The listed salary for this Mechanical Engineer III position at markon is USD 140K–160K/yr. This is an FULL TIME role.
Where is the Mechanical Engineer III position at markon located?
This Mechanical Engineer III role at markon is based in Arlington, VA, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Mechanical Engineer III role at markon full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Mechanical Engineer III role in the Construction/Facility Management department at markon.
Which team or department does the Mechanical Engineer III at markon belong to?
This Mechanical Engineer III position is part of the Construction/Facility Management department at markon. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Mechanical Engineer III position at markon?
Click the "Apply Now" button on this page. You will be redirected to markon's official application portal hosted on icims where you can submit your application directly.
When was the Mechanical Engineer III job at markon posted?
This Mechanical Engineer III position at markon was posted on Sep 30, 2026. Apply as soon as possible — early applications are often reviewed first.
Mechanical Engineer III
markon · 💰 USD 140K–160K/yr
Apply for this role ↗

You'll be redirected to markon's official application page on icims.