Jobs in the United States

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Added 29 mins ago
AI Engineer 4 (MLX)
Capital One
New York, NY
Design, develop, test, deploy, and support AI software components including foundation model training, large language model inference, agents and multi-agent workflows, similarity search,…
Added 29 mins ago
Senior Electrical Engineer
Port Authority of New York and New Jersey
New York, NY
Reporting to a Principal or Sr. Principal Engineer, the Senior Electrical Engineer will be responsible for the design of power distribution, lighting, and fire alarm systems; supervision of…
Added 29 mins ago
Principal AI Solutions Engineer Salesforce AI Labs
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…understandable and show a clear connection between customer needs, system actions, and business results. * Tell the story at every level. Present to executives, customers, developers, and…
Added 1 hour ago
Graduate Engineer – Cooling (Mechnical)
nVent
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Support analysis of test data and comparison against calculated or specified performance.
Added 2 hours ago
Cleared Senior/Principal Quality Engineer Hypersonics, Onsite
Sandia National Laboratories
Albuquerque, NM
Organization 05492, Digital and Quality Engineering, is currently seeking a Quality Engineer to support programs and work within a team of other Quality Engineers to support 5400 Integrated…
Added 2 hours ago
Cleared Senior/Principal R&D Systems Engineer - W80-4 Joint Test Team, Onsite
Sandia National Laboratories
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We are seeking an experienced R&D Systems Engineer to join our W80-4/W80-5 Joint Test Team. Your responsibilities will include helping plan and execute joint tests with the United States…
Added 3 hours ago
Principal Software Engineer (Cybersecurity | Networking)
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Added 3 hours ago
Principal Cyber Network Engineer
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United States
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Added 7 hours ago
Principal Software Engineer (Onsite)
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Raytheon is seeking a Principal Software Engineer Location: Aurora, CO (Buckley)
Added 9 hours ago
Lead Test and Evaluation Engineer (Onsite)
GD Information Technology, Inc.
United States
Application Security, Cyber Defense, Security Testing, System Testing, Test EngineeringCertifications:
Added 10 hours ago
MT
Principal System Architect
Micron Technology
San Jose
- $202,000 to $343,000 USD / year
The Principal System Architect is a senior technical individual contributor in the DRAM System and Component Architecture organization in charge of pathfinding and defining Micron’s DRAM…
Added 10 hours ago
Principal Software Engineer
JBT MAREL CORPORATION
Redmond, WA
As our Principal Software Engineer, you will be driving and supporting robotic water-jet cutting equipment and various JBT Marel systems using computer vision for the food processing…
Added 10 hours ago
Principal/Sr. Principal Systems Engineer
Northrop Grumman
Rolling Meadows
Northrop Grumman Mission Systems (NGMS) seeks to fill a Principal/Sr. Principal Systems Engineer position in the Mission Modeling Department at our Rolling Meadows, Illinois location. This…
Added 10 hours ago
Principal Data Engineer/Sr. Principal Data Engineer
Northrop Grumman
Palmdale · El Segundo
Northrop Grumman Aeronautics Systems (NGAS) has an opening for a Principal Data Engineer or Sr. Principal Data Engineer to join our team of qualified, diverse individuals. The position…
Added 10 hours ago
Principal Engineer Software
Northrop Grumman
Colorado Springs
Northrop Grumman Space Systems is seeking a Software Engineer to support a program developing and fielding a new ground-based radar performing Space Domain Awareness (SDA) missions. As a…
Added 10 hours ago
Sr Principal Engineer Mechanical - Space AHT
Northrop Grumman
Huntsville
…Business Unit (BU) has an exciting career opportunity for a Principal Mechanical Engineer Level 3 or Sr. Principal Mechanical Engineer Level 4 to join our team of qualified, diverse…
Added 10 hours ago
Sr Principal Engineer Hardware
Northrop Grumman
San Diego
Northrop Grumman Mission Systems has an opening for a Sr Principal Hardware Engineer (Level 3) to join our Manufacturing Engineering team. This position will be located at our Mission…
Added 10 hours ago
Sentinel - Principal / Sr Principal TEMPEST System Engineer - 17920
Northrop Grumman
Huntsville
Northrop Grumman Defense Systems is seeking to add a Principal / Sr. Principal - TEMPEST Engineer to its Specialty Engineering Team located in Huntsville, Alabama in support of the Sentinel…
Added 10 hours ago
Systems Engineer 4 - RF Communications - Space AHT
Northrop Grumman
Huntsville
This position is for a Sr Principal Systems Engineer - RF Communications to support the IFICS Data Terminal (IDT) product team on the Ground Based Mid-Course Defense (GMD) Weapon System…
Added 10 hours ago
Principal/Sr. Principal Mechanical Engineer
Northrop Grumman
Goleta
As a Principal/Sr. Principal Mechanical Engineer in Goleta, CA you will be responsible for creating and implementing deployable structures and mechanical mechanisms at the cutting edge of…
Added 10 hours ago
Simulation Software Engineer Level 2 or 3
Northrop Grumman
Dulles
Basic Qualifications (Principal Simulation Software Engineer):
Added 10 hours ago
Principal / Sr Principal Engineer Electrical
Northrop Grumman
Colorado Springs
Northrop Grumman Space Systems is seeking a Principal or Sr Principal Electrical Engineer to join the Radar Integrated Product Team (IPT) supporting the design and development of a new…
Added 10 hours ago
Principal Engineer Hardware
Northrop Grumman
San Diego
Northrop Grumman Mission Systems has an opening for a Principal Hardware Engineer (Level 3) to join our Manufacturing Engineering team. This position will be located at our Mission Systems…
Added 10 hours ago
Principal Engineer Mechanical (AHT)
Northrop Grumman
Aurora
Northrop Grumman's Space Systems Sector is seeking a Principal Engineer Mechanical for its Aurora, Colorado work location.
Added 10 hours ago
Sr. Principal Logistics Engineer (Secret Clearance)
Northrop Grumman
Huntsville · Sierra Vista · Colorado Springs · Grand Rapids
The Raid Hunter ILS team is seeking a Logistics Engineer to run the program’s day-to-day logistics operations and serve as the team’s data and material hub. This role owns inventory and GFP…

Northrop Grumman

Simulation Software Engineer Level 2 or 3

Dulles, United States

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Job details

Apply by: Apr 27, 2027
Experience: Bachelor’s degree and 2 years of experience or a Master's degree in Software/Electrical/Computer/Aerospace Engineering, Computer Science, Physics, or closely related field.
Posting language: English
Posted: Oct 29, 2026

Original job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top Secret

TRAVEL: Yes, 10% of the Time

Description

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.

We have an opening for a Simulation Software Engineer Level 2 or 3 to join our team of qualified, diverse individuals in the Space Systems organization developing space simulation software for NSS space programs. The individual we seek will be self-motivated, proactive, and goal-oriented. This position will be in Dulles, VA.

In this role you will (based on need):

Establish simulation requirements.
Plan, organize and be involved in the full software lifecycle to develop spacecraft simulation software using modern tools and software best practices.
Develop spacecraft component models from hardware documentation to support modeling and simulation activities across multiple projects.
Work with other engineering disciplines to integrate and validate space vehicle models and simulations.
Develop new and/or integrate existing system simulation frameworks.
Support simulated real-time operations, operational analysis and mission effectiveness analysis.
Develop and integrate advanced graphical user interfaces and visualization tools.
Model Thermosphere and Exosphere environments.
Performs trade studies via computer simulation and recommend alternative architectures.
Prepare design documentation, analysis, test results and presentation materials for internal and external customers.
Work in an innovative environment across diverse assignments and in collaborative team settings across all levels.

This position will work a 9/80 schedule, with every other Friday off. This position is 100% onsite and cannot accommodate telecommute work.

This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company.

This position can be filled as a Level 2 or 3 depending on experience and qualifications

Basic Qualifications (Simulation Software Engineer):

Bachelor’s degree and 2 years of experience or a Master's degree in Software/Electrical/Computer/Aerospace Engineering, Computer Science, Physics, or closely related field.
Requires an active U.S. Government Top Secret [TS] security clearance at the time of application, current and within scope. Must have the ability to obtain and maintain a Sensitive Compartmented Information. [US citizenship required]
Advanced programming proficiency with: C/C++, Python.
Advanced programming proficiency with Matlab/Simulink, Windows/Linux scripting.
Solid communication and teamwork skills.
Understanding of waterfall, spiral and/or Agile software development processes and continuous development / continuous integration practices.
Ability to use software revision control tools such as Subversion and/or Git.
Ability to clearly document technical and programmatic status to management.

Basic Qualifications (Principal Simulation Software Engineer):

Bachelor’s degree and 5 years of experience, Master's degree and 3 years of experience, or PhD in Software/Electrical/Computer/Aerospace Engineering, Computer Science, Physics, or closely related field.
Requires an active U.S. Government Top Secret [TS] security clearance at the time of application, current and within scope. Must have the ability to obtain and maintain a Sensitive Compartmented Information. [US citizenship required]
Advanced programming proficiency with: C/C++, Python.
Advanced programming proficiency with Matlab/Simulink, Windows/Linux scripting.
Solid communication and teamwork skills.
Understanding of waterfall, spiral and/or Agile software development processes and continuous development / continuous integration practices.
Ability to use software revision control tools such as Subversion and/or Git.
Ability to clearly document technical and programmatic status to management.

Preferred Qualifications:

System knowledge in one or more of the following domains: Spacecraft Command & Control, Mission Planning, Space Situational Awareness.
Ability to develop and use simulation models of sensors, actuators and space environments to demonstrate closed-loop spacecraft system performance and general integration and test of aerospace systems.
Understanding of Jenkins, Jira (Agile, Scrum and Kanban), Bitbucket and related DevSecOps tools.
Hardware interfacing, integration and test and controls experience.
Understanding of common embedded system tools, real-time operating systems and avionics integration and test practices.
Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management.

#SpaceEngJobs #SpaceSoftwareJobs

#SpaceGNCJobs

#NoVASpace

#SPEnhancedERAP

Primary Level Salary Range: $91,800.00 - $137,600.00

Secondary Level Salary Range: $114,000.00 - $171,000.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

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 an Equal Opportunity 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 and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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