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RTX

Facilities Mechanical Engineer (Onsite, Andover MA)

United States

The salary range for this role is 118,300 USD - 224,900 USD.

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Job details

Pay: The salary range for this role is 118,300 USD - 224,900 USD.
Posting language: English
Posted: Oct 30, 2026

Original job description

Date Posted:

2026-10-30

Country:

United States of America

Location:

US-MA-ANDOVER-AN2 ~ 352 Lowell St ~ AN2 HAMPSHIRE BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Confidential

Security Clearance Status:

Active and existing security clearance required after day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense.

The following position is to join our RTX Enterprise Services team:

The Facilities Mechanical Engineer is responsible for supporting mechanical facilities design, HVAC engineering, and construction project management. Reporting to the Senior Manager of Project Execution, this role will lead and execute engineering projects involving troubleshooting mechanical building systems, supporting building control systems, office renovations, laboratory fit‑ups, and manufacturing equipment installations. Responsibilities include managing projects from design and bidding through construction and closeout.

What You Will Do

Perform project estimating and scheduling, design heating and cooling systems, calculate heat loads, and conduct equipment sizing studies
Prepare diagrams, sketches, construction drawings, cost estimates, bid documents, and provide construction administration
Meet with internal customers to develop scope, support continuous improvement initiatives, perform coordination studies, and manage projects
Coordinate activities with internal and external partners including IT, safety, security, construction trades, consultants, contractors, and suppliers
Travel within eastern Massachusetts, southern New Hampshire, and Rhode Island, with occasional opportunities for national or international project support.

Qualifications You Must Have

Typically requires a University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience
3+ years of experience in building mechanical engineering
Experience with mechanical systems including boilers, refrigeration, cooling skids, chillers, cooling towers, air handlers, fan coil units, VAV systems, compressed air systems, nitrogen and liquid nitrogen systems
Experience with building electrical systems and general building construction and civil works.
Experience coordinating mechanical designs with architectural, electrical, structural, civil, IT, and security disciplines
Experience with construction project management including scoping, budgeting, scheduling, contractor coordination, commissioning, and closeout
Experience writing clear technical specifications, reports, and operating procedures
2+ years of experience with ASHRAE, SMACNA, and State Building Codes
Experience working with AutoCAD, Revit, Microsoft Excel, Word, PowerPoint, and Microsoft Project

Qualifications We Prefer

Strong communication skills with the ability to interface with leadership, internal customers, IT, security, trade workers, and subcontractors
Experience in facilities engineering
Experience in design and construction project management• Experience in manufacturing facilities
Experience with Building Automation Systems (BAS) and controls such as Siemens, Johnson Controls, and Schneider Electric
Masters in Mechanical Engineering is a plus

What We Offer Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

Learn More & Apply Now! Work Location: Andover, MA Please consider the following role type definition as you apply for this role: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 118,300 USD - 224,900 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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