Full-Time

Modeling & Simulation Systems Engineer 2 or 3

Aht

Posted on 5/10/2025

Northrop Grumman

Northrop Grumman

10,001+ employees

Diversified defense and space systems integrator

Compensation Overview

$77.2k - $165.5k/yr

+ Overtime + Shift Differential + Discretionary Bonus

Northridge, Los Angeles, CA, USA

In Person

No relocation assistance available.

US Citizenship, US Top Secret Clearance Required

Category
Aerospace Engineering (1)
Required Skills
Python
MATLAB
C/C++
Requirements
  • BS degree in aerospace engineering, physics, software engineering, systems engineering, or a related field with 2 years of experience or an MS degree with 0 years of experience (Level 2)
  • BS degree in aerospace engineering, physics, software engineering, systems engineering, or a related field with 5 years of experience or an MS degree with 3 years of experience (Level 3)
  • Experience with requirements verification and validation, or in performing analysis with python or matlab
  • Proficiency with C++, and either python or MATLAB
  • Experience developing in a Windows environment
  • Experience with the Object Oriented development
  • Academic background with physics to understand the basics of flight dynamics and sensors
  • Current Secret security clearance adjudicated within the past 5 years, and be able to obtain a SAP level program clearance
Responsibilities
  • Setting up simulation scenarios
  • Analysis of simulation results
  • Software development in python, matlab, and/or C++
  • Requirements analysis
  • Requirements verification
Desired Qualifications
  • Proficiency with both python and matlab
  • Proficiency with Microsoft Excel
  • Experience in high performance computing or monte carlo simulations
  • Experience in Modeling and Simulation of weapon systems
  • Proficiency with CAMEO
  • Experience in Operational Analysis
  • Experience with AFSIM
  • Experience in flight dynamics
  • Active Secret or SAP level Clearance

Northrop Grumman designs and builds advanced aerospace and defense systems across aeronautics, space, mission systems, and electronic defense. It delivers complex, integrated platforms—aircraft, spacecraft, sensors, and software—through large national programs and long-term contracts. It differentiates itself by its long history of strategic acquisitions and breadth across air, sea, space, and cyber domains, enabling end-to-end solutions. Its goal is to strengthen national security and extend global reach by developing and fielding advanced capabilities such as stealth bombers, space systems, missiles, and cyber defenses while maintaining scale and a robust backlog.

Company Size

10,001+

Company Stage

IPO

Headquarters

Falls Church, Virginia

Founded

1939

Simplify Jobs

Simplify's Take

What believers are saying

  • B-21 production rate increased 25%, supporting aeronautics revenue growth.
  • Drone Dominance selection positions Northrop for 200,000+ unmanned systems payload demand.
  • Enhanced PTS-P extends Northrop's protected SATCOM backlog into FY2030 and beyond.

What critics are saying

  • B-21 execution slips would trigger scrutiny, margin pressure, and schedule delays.
  • Sentinel funding fights can defer revenue and reshape Northrop's largest modernization program.
  • Long-dated space awards risk redesigns, launch slippage, and delayed cash conversion.

What makes Northrop Grumman unique

  • B-21 production and strategic deterrence programs anchor Northrop Grumman's aerospace franchise.
  • AiON and Common UAS Payload emphasize open-architecture counter-UAS integration.
  • Space systems like Enhanced PTS-P and James Webb show advanced mission breadth.

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Benefits

Health Insurance

Life Insurance

Disability Insurance

Paid Vacation

Paid Holidays

Relocation Assistance

Performance Bonus

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

1%

2 year growth

1%
MilitaryLeak
May 31st, 2026
Raytheon selected by DARPA to advance composable solid rocket motor technology.

Raytheon selected by DARPA to advance composable solid rocket motor technology. May 31, 2026 Raytheon, an RTX (NYSE: RTX) business, in collaboration with Northrop Grumman, has been awarded a phase two contract from the Defense Advanced Research Projects Agency (DARPA) Burn n' Go program to continue the development of a new solid rocket motor (SRM) design. This new capability will decouple post-manufactured motors from traditional, single-use designs, enabling a composable motor capable of meeting multiple mission needs by adjusting thrust on demand. The award follows a highly accelerated, seven-month phase one effort in which Raytheon and Northrop Grumman demonstrated the feasibility of this new propulsion approach. The technology is intended to support a wider range of missions and weapon systems by giving the military more options from a common, single-use motor design. Under the phase two contract, Raytheon's Advanced Technology team will further mature and scale its solution, followed by a series of demonstrations to show how it performs in increasingly realistic rocket motor configurations. "Solid rocket motor production has become a critical bottleneck for many missile programs," said Colin Whelan, president of Advanced Technology at Raytheon. "By pursuing a composable approach to how these motors are designed and built, we're helping lay the groundwork for faster, more adaptable munitions production across multiple mission sets." As prime on the contract, Raytheon is partnering with Northrop Grumman's Allegany Ballistic Laboratory (ABL), which has extensive expertise in solid rocket motor design and manufacturing. The team also includes Luna Innovations, contributing its novel material development capabilities, to advance a solution that aligns with DARPA's vision for more flexible, scalable missile propulsion. This collaborative approach builds on the Advanced Technology team's broader composable weapons strategy, which is focused on reducing cycle time, lowering costs and accelerating missile development. Raytheon, an RTX business, is a leading provider of defense solutions to help the U.S. government, its allies and partners defend their national sovereignty and ensure their security. For more than 100 years, Raytheon has developed new technologies and enhanced existing capabilities in integrated air and missile defense, smart weapons, missiles, advanced sensors and radars, interceptors, space-based systems, hypersonics and missile defense across land, air, sea and space. With industry-leading capabilities, the company advance aviation, engineer integrated defense systems for operational success, and develop next-generation technology solutions and manufacturing to help global customers address their most critical challenges. The company, with 2025 sales of more than $88 billion, is headquartered in Arlington, Virginia. Post Views: 27

Pennsylvania Business Report
May 21st, 2026
Touchstone Advanced Composites producing aircraft components.

Touchstone Advanced Composites producing aircraft components. Touchstone Advanced Composites is collaborating with Northrop Grumman, an aerospace and defense technology company, to fabricate complex structural tooling for the next-generation YFQ-48A Talon Blue Collaborative Combat Aircraft. Under the terms of the partnership, Touchstone will provide its CFOAM tooling material and fabricate certain parts for the aircraft while Northrop Grumman will develop Talon Blue as a modular, cost-effective and rapidly deployable autonomous wingman. Touchstone Advanced Composites is part of Canonsburg-based Core Natural Resources' Innovations business unit and previously played an integral part in Talon Blue's successful autonomous taxi test in California. "Our focus is on bridging the gap between prototype and full-rate production without compromising performance," Dan Connell, president of Core's Innovations business unit, said. "By providing a versatile material with tight control over thermal properties and material behavior, we're able to support a faster, more adaptable engineering process as aircraft continue to evolve. CFOAM is a great example of how Core Natural Resources is creating new value propositions for coal, positioning it as a key material in next-generation applications across advanced manufacturing sectors such as aerospace and defense." Core's Innovations Group produces next-generation coal applications and products. CFOAM technology is used to make the tools or molds for manufacturing composite aerospace parts.

Defence Leaders Limited
Apr 14th, 2026
Northrop Grumman and U.S. Air Force push Sentinel ICBM programme toward 2027 first flight.

Northrop Grumman and U.S. Air Force push Sentinel ICBM programme toward 2027 first flight. Image: Northrop Grumman Northrop Grumman and the U.S. Air Force are reporting significant progress on the LGM-35A Sentinel intercontinental ballistic missile programme, with first flight targeted for 2027 and initial operational capability expected in the early 2030s. A restructured acquisition strategy is driving faster development of America's next-generation ground-based nuclear deterrent, according to Northrop Grumman. Hardware testing, supply chain expansion and infrastructure prototyping are all advancing in parallel, compressing timelines without sacrificing performance standards. Replacing the Minuteman III Sentinel is designed to replace the ageing Minuteman III ICBM, the ground-based leg of the U.S. nuclear triad. The system will span more than 32,000 square miles across five states, requiring new launch silos, command infrastructure and transport systems. The programme draws on lessons from the B-21 Raider stealth bomber, with Sentinel designed entirely within a digital ecosystem to boost collaboration and engineering efficiency. Its three-stage booster uses solid rocket motors made from composite materials 70% lighter than those in the Minuteman III, increasing payload capacity, range and accuracy for what Northrop describes as "no-fail ICBM missions." Hardware Milestones The missile has moved from digital blueprints into active prototyping, assembly and testing. Northrop Grumman has assembled the first complete three-stage Sentinel booster, verifying design integrity and manufacturing processes. Solid rocket motors for the first five flight tests are already in production. Two Interstage Separation Tests confirmed the missile can cleanly shed spent first and second-stage motors during flight. A shroud fly-off test validated the protective cover housing the missile's payload. An initial mass model sled test subjected the Navigation Inertial Measurement System to flight-representative stress conditions. Passing the test confirms the guidance hardware can survive the environmental forces of actual flight, which is critical to Sentinel's accuracy and mission reliability. Infrastructure and Command Systems Alongside missile development, supporting infrastructure is progressing at pace. Northrop broke ground on a prototype Sentinel Launch Silo tube to validate structural design and construction methods. The new modular silo architecture is expected to cost less than refurbishing existing Minuteman III silos while improving performance and long-term maintainability. Mission-critical transport systems cleared a cross-country road test, confirming high-value assets can be safely moved between facilities. The Launch Support System, a digital command and control network, completed its critical design review, clearing the way for build, test and qualification phases. Industrial Scale More than 500 supply chain partners and upwards of 10,000 professionals support Sentinel across the country. Northrop Grumman has invested $13.5 billion in infrastructure and research and development over the past five years across critical national security programmes. Of that total, $2 billion went specifically toward expanding solid rocket motor capacity, directly supporting Sentinel's ability to scale production. Sarah Willoughby, vice president and general manager for strategic deterrent systems at Northrop Grumman, said the programme "exemplifies what's possible when a bold acquisition approach meets relentless innovation," adding that its workforce and partner network were "united by a common purpose to field the Sentinel weapon system with speed and scale." Long-Term Deterrence The programme is designed to serve U.S. strategic deterrence requirements through 2075, making design resilience and long-term adaptability central engineering priorities. Northrop and the Air Force are also engaging with communities surrounding missile wings, gathering data to support construction planning, fielding and future operations. With 2027 approaching, programme momentum is set to become more publicly visible as construction of critical facilities begins and the first Sentinel flight test draws near.

Business Insider
Apr 13th, 2026
Northrop Grumman and U.S. Air Force accelerate Sentinel program momentum.

Northrop Grumman and U.S. Air Force accelerate Sentinel program momentum. Apr. 13, 2026, 09:00 AM FALLS CHURCH, Va., April 13, 2026 (GLOBE NEWSWIRE) - Northrop Grumman and the U.S. Air Force are achieving substantial progress across the Sentinel program, advancing toward first flight in 2027 and initial capability in the early 2030s. From missile testing and infrastructure prototyping to supply chain readiness, Sentinel is accelerating development enabled by a transformed acquisition approach. In close partnership with the U.S. Air Force, Northrop Grumman is focused on achieving the earliest possible initial capability for the Sentinel weapon system. With rigorous systems engineering and an incremental approach to development and fielding, the Sentinel team is advancing capability through a series of phases that prioritize speed to make the system operational as quickly as possible. This allows testing and validation to occur earlier, lessons learned to be applied in real time and capability to be fielded faster while maintaining rigorous performance standards. Sentinel is a new system to replace the aged ground-based leg of the nuclear triad, spanning more than 32,000 square miles across five states. With elements of the updated acquisition approach already in motion, the Sentinel government-industry team has made significant progress testing critical hardware, fortifying the supply chain - a massive industrial base of more than 500 partners - and augmenting the nationwide workforce of more than 10,000 dedicated professionals. Over the past five years, Northrop Grumman has invested $13.5 billion in infrastructure and R&D for critical national security programs, including $2 billion dedicated to solid rocket motor capacity and capabilities that benefit Sentinel's ability to accelerate and scale production. The Sentinel program continues to gain momentum - and Northrop Grumman is dedicated to delivering warfighter capabilities that balance breakthrough technology, affordability and speed. "The Sentinel program exemplifies what's possible when a bold acquisition approach meets relentless innovation," said Sarah Willoughby, vice president and general manager, strategic deterrent systems, Northrop Grumman. "Our dedicated workforce and extensive partner network are united by a common purpose to field the Sentinel weapon system with speed and scale while delivering enhanced capability to the U.S. Air Force." From Digital Designs to Verified Hardware Leveraging lessons learned from the B-21 Raider, the LGM-35A Sentinel intercontinental ballistic missile (ICBM) was designed in a digital ecosystem - increasing speed, efficiency and collaboration. The new three-stage booster design bolsters accuracy and flexibility for no-fail ICBM missions. Sentinel's solid rocket motors are made of strong and corrosion-resistant composite materials which are 70% lighter than Minuteman III's - increasing payload capacity and range. The missile has already moved from digital designs into early prototyping, assembly and testing, paving the way for the first flight test and initial capability. Examples of the missile's progress include: * Every propulsive element of the Sentinel missile has been prototyped and tested. Northrop Grumman has assembled the first three-stage Sentinel booster, verifying design, processes and technologies, and solid rocket motors for the first five flight tests are already in production. * Two Interstage Separation Tests were conducted to demonstrate the ability of the missile to cleanly separate the spent solid rocket motor stages one and two from the rest of the vehicle. A shroud fly-off test tested and validated the design of the shroud, which is a protective cover for the missile's payload. * The Guidance and Control Hardware - the brains of the missile - was stress tested through an initial mass model sled test which exposed the Navigation Inertial Measurement System (NIMS) hardware to flight-like conditions to evaluate performance. Passing this test means the hardware will survive the environmental stresses induced during the missile's flight, critical for Sentinel's accuracy and overall mission success. First fully assembled Sentinel ground test booster, including stages-one, -two and -three solid rocket motors and both interstage mechanisms. (Photo Credit: Northrop Grumman) Sentinel's Guidance and Control (G&C) hardware has passed an initial mass model sled test conducted by Northrop Grumman Corporation and the U.S. Air Force. (Photo Credit: U.S. Air Force) Sentinel replaces existing launch silos with a new modular silo design and supporting infrastructure. The new architecture saves costs and improves performance and maintenance - positioning Sentinel to meet today's requirements while staying adaptable to meet future needs. Alongside the missile development, the Sentinel program has seen significant progress in maturing other crucial elements of the complex weapon system. * Northrop Grumman broke ground on a prototype of the Sentinel Launch Silo tube, which will test and validate the structural design and construction approach. The new design is a key enabler in accelerated fielding of the system and is expected to control costs for the program when compared to refurbishing Minuteman III's silos. * Sentinel's mission-critical transport systems were verified through a cross-country road test, ensuring high-value assets will be protected during transit. * The Launch Support System (LSS) - a digital command and control infrastructure - completed its critical design review, paving the way for system build, test and qualification phases. Proving Today, Building for What's Next The Sentinel weapon system is one of the most rigorous and thoroughly tested defense programs in modern history - ensuring each component meets requirements and is resilient for the warfighter from initial capability through 2075. This program momentum will become even more visible in 2027 as digital designs translate into critical facilities, infrastructure and the first Sentinel flight test. Northrop Grumman is partnering with the U.S. Air Force and industry teammates to support and inform local communities at the missile wings, collecting critical data and insights that lay the foundation for successful construction, fielding and future operations. Northrop Grumman and its partners will continue prototyping and testing the cornerstones of the new system - including the missile, Launch Silo and Launch Center - on the path to certifying each design, flight testing and eventually reaching initial capability. Together, Northrop Grumman and the U.S. Air Force will deliver the world's most powerful ICBM system, ensuring strategic deterrence that withstands the test of time - with unmatched reliability and undisputed credibility. Photos accompanying this announcement are available at Markets Insider and Business Insider Editorial Teams were not involved in the creation of this post. Sponsored Financial Content

The White House
Apr 9th, 2026
Advancing the United states-hungary bilateral partnership.

Advancing the United states-hungary bilateral partnership. The White House April 9, 2026 On his historic trip to Budapest, Vice President JD Vance reinforced a new era of U.S.-Hungary bilateral cooperation in energy, technology, and security. The achievements outlined below advance a shared bilateral agenda rooted in innovation, strategic stability, and long-term economic and security partnership. Strengthening Energy Cooperation * U.S. Crude Oil Purchases: Hungary's energy company, MOL Group, purchased 510,000 tons of crude oil worth $500 million from the United States and American energy companies to deepen its strategic energy partnership. * Small Modular Reactor (SMR) Study: Under the Intergovernmental Agreement focused on civil nuclear energy, the United States is supporting a front-end engineering and design (FEED) study to facilitate the deployment in Hungary of a new U.S. SMR, ensuring Hungary's role as a key partner in European energy security. The FEED study paves the way for Hungary to move forward with the purchase and construction of up to 10 U.S. SMRs, with a potential total value of $20 billion. Several U.S. companies including GE Vernova, Holtec, and Westinghouse signed MOUs with Hungary's electricity provider, MVM, on SMR collaboration. * Lifetime extension of Paks1: Westinghouse and MVM signed MOUs to explore the use of Westinghouse technology to extend the lifetime use of the Paks 1 nuclear power plant and to collaborate on SMR technology. This MOU, which builds on the November 2025 agreement for Westinghouse to supply nuclear fuel, will further bolster Hungary's energy security through U.S. cooperation. Deepening Commercial Ties and AI Cooperation * GE Healthcare and Semmelweis University signed an MOU to create an Oncology Center of Excellence in Hungary that leverages U.S. medical technology and AI-based innovation to improve cancer care for Hungarian patients and expand access to advanced American healthcare solutions. * Microsoft Corporation, the Government of Hungary, and Gábor Dénes University signed an MOU to bring digital and AI training solutions for small and medium-sized enterprises to boost technological readiness. * Microsoft and the Government of Hungary signed an MOU to secure digital infrastructure for public institutions through Sovereign Cloud solutions. Advancing Regional Peace, Security, and Defense Cooperation * Procurement of U.S. High Mobility Artillery Rocket Systems (HIMARS): Hungary announced plans to procure $700 million worth of U.S. HIMARS and integrate them into its defense planning, enhancing Hungary's ability to deter aggression while supporting American manufacturing jobs and strengthening NATO's collective defense posture along the Eastern Flank. * Secure Communications MOU: L3 Harris and 4iG signed an MOU seeking to incorporate L3 Harris communication technology into Hungary's HIMARS program, ensuring interoperability with NATO and U.S. forces. * Space and Defense Cooperation Agreement: Northrop Grumman and 4iG announced a new joint effort to develop a geosynchronous satellite capability for Hungary, with the objective of advancing national security, space, resilience, and helping to maintain and expand the U.S. industrial base for geosynchronous satellites.

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