Posted:
7/8/2026, 7:59:51 AM
Location(s):
Maryland, United States ⋅ Elkridge, Maryland, United States
Experience Level(s):
Expert or higher ⋅ Senior
Field(s):
IT & Security
Workplace Type:
On-site
Pay:
$123k–$185k/yr
Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. We have a wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies. Our differentiated battle management and cyber solutions deliver timely, mission-enabling information and provide superior situational awareness and understanding to protect the U.S. and its global allies.
Northrop Grumman Mission Systems is looking for you to join our team as a Sr Principal Systems Test Engineer based out of Elkridge, MD.
This role includes CONUS/OCONUS travel. During travel you will be eligible to receive domestic/international assignment benefits, allowances and/or premiums negotiated between Northrop Grumman and the customer.
What You’ll get to Do:
The candidate will provide direct technical support for the AN/TPS-78 Ground/Base RADAR system. In this role they will provide expert technical advice in the production, operation, training, maintenance and repair of TPS-78 systems.
In addition, the candidate will: provide technical assistance to foreign and domestic Military customers in the setup, operation, troubleshooting and repairs of deployed TPS-78 systems. The candidate can be called upon to provide remote support and/or on-site troubleshooting and repair in response to requests for technical assistance. In response for these requests the candidate can be called upon to provide refresher training; documentation of the results of maintenance, troubleshooting and problem resolution actions.
Roles and Responsibilities:
Provide subject matter expertise on system operations, signal flow, electronics theory, troubleshooting, and fault isolation
Support engineering efforts related to the development, testing and analysis of upgrades, replacement or modifications in design and/or procedural use changes.
Ensure other personnel are adhering to established procedures and schedules
Aid in training and courseware/product development
Participate in testing and evaluation of TPS-78 system improvements and new software baselines, documenting test results and recommendations
Participate in technical documentation review and modifications
Perform routine preventative maintenance on equipment
Basic Qualifications
Bachelor's degree and 8 years of relevant experience; or a Master's degree and 6 years of relevant experience;
Experience interpreting one or more of the following: Technical Drawings, Diagrams, Instructions, or Schematics
Experience with electrical safety procedures, hazardous material handling and use of Personal Protective Equipment (PPE)
Familiarity with electronic test equipment such as Digital Multi-Meters (DMM's), oscilloscopes, power supplies. Network analyzers, power meters or break out boxes
Familiarity with System Integration Test and Evaluation and processes and procedures or equivalent
Must have the physical ability to easily maneuver around equipment in test lab, lift equipment weighing up to 40 pounds; this may include, lifting and moving heavy test equipment, cables, and radar system structures (legs, sand pads, etc.).
Practical experience with maintenance processes and procedures
Must possess excellent Interpersonal, written, and verbal communication skills and flexibility with this position.
Personal computer skills (competent with MS Office applications)
General Networking skills preferably with CISCO equipment such as, setting up switches.
System administration skills setting up computer networks
Ability to support multiple shifts and CONUS/OCONUS travel.
U.S. Citizenship and active/current U.S. Government Secret clearance are required.
Preferred Qualifications:
Military background a plus
Proficient at collaborating with customers and NGC counterparts to define, refine, and maintain program strategies.
Practical experience with Air Defense/Surveillance Radar (TPS78, TPS-75, TPS70 and TPS43 RADAR systems)
Practical experience with maintenance processes and procedures, to include echelons/levels of maintenance (i.e. 1st through 4th echelon, or field level)
Familiarity with logistics support and repair parts requisition processes
Able to plan and carry out difficult and complex assignments and develop new methods, approaches, and procedures
Practical experience operating, maintaining and troubleshooting radar systems
Practical experience with deployment and setup of ground-based mobile radar systems
Website: https://northropgrumman.com/
Headquarter Location: Falls Church, Virginia, United States
Employee Count: 10001+
Year Founded: 1994
IPO Status: Public
Last Funding Type: Grant
Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software