U105 Senior PlumberBaltimore, MD

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Mission Systems is seeking Senior Plumber to join its team. This position is located in Linthicum, Maryland.


Plan, install, modify, repair, and maintain all building infrastructure equipment plumbing and piping systems, associated components and equipment. Perform various brazing and/or welding operations on all types of metals to fulfil the duties and responsibilities under this job classification. Repair and rebuild condensate pumps and trouble shoot condensate receivers. Repair and rebuild circulation, transfer and booster pumps like Bell Gosset, TACO and Armstrong. Trouble shoot and repair steam and hot water skids. Repair and rebuild steam traps, repair DI system tanks and Pumps. Trouble shoot and repair Glycol systems for Plant infrastructure equipment. Remove, repair, replace plumbing sewer sump pumps. Trouble shoot repair and clean Heat Exchangers. Assist HVAC team with HVAC unit plumbing issues.


Various hand or power tools needed to fulfil the job responsibilities of this job description, including but not limited to, pipe threading equipment, power saw and brazing equipment, power saw. Ability to operate forklift trucks, safety equipment, and drive company vehicles.


All types of piping, including but not limited to copper, steel, brass, cast iron, and plastic. Soldering materials, compressed gas cylinders, glue, thread sealants and any other material related to pipe fitting or plumbing. Able to pro-press up to 4" copper.


Guide and assist lower classified Maintenance personnel as required. Train and guide code 13 techs.

Work side by side with Department HVAC Techs. Assist Guide and Train as needed to ensure continuity between departments.


Perform other miscellaneous duties, which may fall within the scope of this position.

  1. Obtain all necessary information to perform job assignment from management, engineering, suppliers, or equipment manufacturers and report any discrepancies to management or engineering. Plan and layout work to be performed, check and take measurements, determine material requirements, and make calculations to suit conditions in the field.

  2. Install and maintain size and type of piping required to provide services under different temperature and operating conditions which may involve numerous connections and control devices. Install, maintain, modify, and repair such items as steam, air, water, glycol, hot water, chilled water, plumbing in lavatories, kitchens, break areas, labs, sewer lines, tanks, machine and spray booth lines, and pumps.

  3. Perform the following operations as needed; measure, cut, bend, thread, hang and insulate pipe; utilize threaded, flanged, glued, soldered, or similar pipe joining methods; dismantle and replace equipment; fabricate brackets and hangers, cut and drill wall, floor, and ceiling openings; flame cut and burn items; erect scaffolding.

  4. Perform operations such as rigging and securing equipment, disconnect and reconnect existing electrical pumps, solenoids, etc. as necessary to perform required operations.

  5. Follow all Northrop Grumman safety rules and regulations, including but not limited to; lock out tag out procedures, confined space entry, wearing steel toe shoes, and other safe practices and personal protective equipment to ensure a safe working environment for all employees.

  6. Utilize the Maintenance Connection system to maintain records on equipment preventative maintenance, repairs and time entry.

  7. Assist higher classified maintenance personnel and perform other miscellaneous duties which may fall within the scope of this position. Assist HVAC Techs with HVAC system Plumbing issues

  8. Work along with contractors or vendors to accomplish the goals set forth by management.

  9. Maintain equipment and work areas in a clean and orderly condition. Remove all surplus materials and trash at the completion of the job.

  10. Must possess and maintain applicable licenses as required by management.

  11. Must use computer and phone to receive daily work orders and apply time worked.

  12. Must carry company issued phone during working hours to obtain work orders and answer when needed.

This is an IBEW Union Represented position.


High School graduate or recognized equivalent.


Must possess Journeyman Plumbing License with a minimum of 10 years related experience and pass a formal structured interview.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO . U.S. Citizenship is required for most positions.