Posted:
7/10/2026, 10:42:53 AM
Location(s):
Colorado, United States ⋅ Colorado Springs, Colorado, United States
Experience Level(s):
Mid Level ⋅ Senior
Field(s):
IT & Security
Workplace Type:
On-site
Pay:
$104k–$155k/yr
Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Principal/Sr. Principal Modeling and Simulation Systems Engineer – Level 3 or 4 to join our team of qualified, diverse individuals. This position will be in Colorado Springs, CO.
Position Overview:
The Systems Engineer – Level 3 or 4 will support a growing portfolio of programs and IRADs that focus on missile defense, space, and intelligence and will support various modeling, simulation, and analysis (MS&A) project teams performing modeling and simulation engineering utilizing government tools and standards.
Essential Functions:
This position will specifically focus on the development of models and simulation using Government Off-the-Shelf (GOTS) tools like AFSIM in a classified environment.
Seeking candidates who find satisfaction in working on challenging and diverse assignments in collaborative settings across all levels.
This requisition may be filled at a higher grade based on qualifications listed below.
This requisition may be filled at either a Principal Modeling and Simulation Systems Engineer – Level 3 or a Sr. Principal Modeling and Simulation Systems Engineer – Level 4.
Basic Qualifications:
Basic Qualifications for Principal Modeling and Simulation Systems Engineer – Leve 3: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 5 years of related work experience, or a Master's Degree in STEM and 3 years of related work experience, or 1 year of related work experience with a PhD in STEM.
Basic Qualifications for Sr. Principal Modeling and Simulation Systems Engineer – Level 4: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related work experience, or a Master's Degree in STEM and 6 years of related work experience, or 4 years of related work experience with a PhD in STEM.
Applicants must have a current, active in-scope DoD-issued Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility at the time of application, which is required to start
Ability and willingness to travel up to 10% to support business needs
Experience utilizing modeling and simulation tools like AFSIM, Ansys STK, or a similar modeling and simulation framework
Experience mentoring and developing junior-level engineers
Ability to work autonomously and collaboratively in a team setting
Excellent written and verbal communication skills
Preferred Qualifications
Master’s Degree or PhD in a highly technical STEM discipline
Experience writing or reviewing complex technical white papers or dissertations
Experience with modeling behaviors of space assets, such as orbital maneuvers
Experience using the Advanced Framework for Simulation, Integration, and Modeling (AFSIM), Ansys Systems Tool Kit (STK), or a similar mission-level modeling and simulation framework
Experience supporting proposals for capture efforts
Experience performing operations research activities such as mathematical modeling, statistical analysis, and optimization
Experience conducting trade studies and familiarity with trade study methodologies
Experience with formal verification and validation processes
Experience using agile development methodologies
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