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Added 1 min ago
Senior Avionics Systems Engineer (ONSITE)
RTX
United States
Collins Aerospace is looking for a Senior Avionics Systems Engineer to support the sustainment and development of Traffic products. The engineer who fills this position must demonstrate a…
Added 1 min ago
J
Senior Data Engineer, Data Transformation Platform
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Remote, United States
- $160,000 to $175,000 USD / year
…all applications and next steps. Our partner is looking for a Senior Data Engineer, Data Transformation Platform based in the United…
Added 2 mins ago
Senior Director, Talent Acquisition
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Remote, United States
You’ll also build the system. That means a rigorous, consistent assessment process aligned to our “Hell Yes” hiring criteria: scorecards, structured interviews, and work samples. It means a…
Added 2 mins ago
Senior Estimator - Atlanta
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…Preconstruction Manager in all estimating functions throughout the Launch process required during the preconstruction phase. Responsible for value engineering, budget controls, alternative…
Added 3 mins ago
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Sr. Communication Systems Engineer
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Sr Manager, Regional Product Line Management, Hydraulics
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…transmission solutions. We push the boundaries of material science to engineer solutions that continually exceed customer…
Added 4 mins ago
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…ingot manufacturing facility. The role combines floor-level process mastery with engineering rigor: you will work side by side with operators, technicians, maintenance and engineering teams…
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Senior Reliability Engineer Power Electronics
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Mechanical Engineering Intern
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…Summary/Overview This assignment is for a mechanical or industrial engineer in a manufacturing role. It supports several business needs: Continuous improvement in manufacturing operations…
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Senior Motor Engineers –Cordless New Product Development (NPD)
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Drive supplier relationships to develop part/product specifications that meet performance requirements while falling within process capabilities.
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Senior Support Engineer - Oracle Health
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Madison, WI
- $52,200 to $132,400 USD / year
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Senior Network Engineer – Network Infrastructure & Automation
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We’re looking for a Senior Network Engineer to help design, operate, and evolve the network infrastructure that connects our enterprise.
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Senior Full Stack Engineer – .NET & C#
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Madison, WI
- $86,000 to $99,000 USD / year
As a Senior Full Stack Engineer – .NET & C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 13 mins ago
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Senior .NET Full Stack Engineer with C#
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- $86,000 to $99,000 USD / year
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Senior Analyst, Product Engineer
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Gemini Enterprise for CX Sr. Engineer
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A hands-on Senior Engineer with strong experience in Google’s Gemini Enterprise for Customer Experience (GECX) Solutions - now building deep expertise in Google Cloud Platform (GCP). You…
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Google Data Specialist
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You’re comfortable working directly with clients, supporting senior architects, and contributing to end-to-end project execution.
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Google Senior Data Engineer
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As a GCP Senior Data Engineer, you will help deliver data modernization, analytics, and AI solutions on GCP. You will support architecture design, build data pipelines and models, perform…
Added 13 mins ago
Senior Estimator - Atlanta
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…Preconstruction Manager in all estimating functions throughout the Launch process required during the preconstruction phase. Responsible for value engineering, budget controls, alternative…
Added 13 mins ago
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Sr. Systems Engineer
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DMI, LLC is seeking a Sr. Systems Engineer to join us.

Closed listing

KBR Wyle Services, LLC

Senior/Principal Systems Modeling & Simulation Engineer

Greenbelt, MD, United States

Jobs on this contract range from $191,900.00 - $287,800.00 Pay range is specific to the Greenbelt, MD area.

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Jobs on this contract range from $191,900.00 - $287,800.00 Pay range is specific to the Greenbelt, MD area.
Experience: ·15+ years of systems engineering experience.
Posting language: English
Posted: Nov 3, 2026

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Original job description

Archived listing. The details below describe a past opening.

Title:

Senior/Principal Systems Modeling & Simulation Engineer At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Position Summary

KBR is seeking a Senior/Principal Systems Modeling & Simulation/Systems Engineer to join the Structural Engineering and Analysis team supporting NASA Goddard Space Flight Center Programs. This position would provide structural engineering, analysis, and test support for a wide range of cutting edge and exciting aerospace projects including space telescopes, earth science satellites, Mars, Moon and asteroid science missions, robotic servicing missions, and associated mechanical ground support equipment.

Responsibilities

IM Modeling & Systems Analysis Duties

Implement necessary changes to convert the standard STOP structural model to support composite moisture desorption analysis for both steady state and transient cases; the latter includes coordination with thermal modelers/analysts to enable temperature mapping onto the structural model and implementation of temperature variability for key variables

Perform steady state and transient moisture desorption analysis for flight and TVAC test cases with primary responsibility for recovering distortions and coordinating with opto-mechanical and optical analysts to recover optical performance metrics

Perform Monte Carlo analysis as necessary to validate Model Uncertainty Factors (MUF) based on variability of key model properties Invar Growth Analysis Implement necessary changes to convert the standard STOP structural model to support Invar growth analysis

Perform steady state Invar growth analysis for flight cases with primary responsibility for recovering distortions and coordinating with opto-mechanical and optical analysts to recover optical performance metrics

Perform Monte Carlo analysis as necessary to validate Model Uncertainty Factors (MUF) based on variability of key model properties Gravity Release Analysis Implement necessary changes to convert the standard STOP structural model to support gravity release analysis

Perform gravity release analysis with primary responsibility for recovering distortions and coordinating with opto-mechanical and optical analysts to recover optical performance metrics

Perform Monte Carlo analysis as necessary to validate Model Uncertainty Factors (MUF) based on variability of key model properties

STOP Pipeline Tool Development Duties

Maintain and improve on an existing script database which includes tens of thousands of lines of custom code tailored to Roman and Habitable Worlds Observatory analysis workflows for Structural-Thermal-Optical Performance (STOP) analysis

Work with performance stakeholders (science, systems, optical, etc.) to define performance metrics that support understanding of overall observatory, telescope, and instrument optical performance; develop corresponding analysis scripts

Implement new analysis capabilities into the STOP pipeline tool to support analysis cycle objectives; this includes, but is not limited to adding functionality for composite moisture desorption and Invar growth analyses, and others as necessary

Identify and implement analysis process automation features as well as integrate the STOP Pipeline tool with separate industry toolsets that facilitate iterative systems analysis methods

Required and Preferred Qualifications, Education, and Experience Minimum Requirements

· Bachelor's degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, Computer Engineering, Software Engineering, Computer Science, or related technical discipline.

·15+ years of systems engineering experience.

· Experience supporting requirements as leadership, management, or analysis.

· Knowledge of systems engineering lifecycle processes.

· Experience supporting verification and validation activities.

· Strong written and verbal communication skills.

Preferred Requirements

· Experience supporting NASA, FAA, DoD, or other federal programs.

· Master's degree in Systems Engineering or related discipline.

Basic Compensation:

Jobs on this contract range from $191,900.00 - $287,800.00 Pay range is specific to the Greenbelt, MD area.

The offered rate will be based on the position, contract affordability, the selected candidate’s working location, knowledge, skills, abilities, experience, and in consideration of internal parity.

Additional Compensation:

KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of sign on bonus, relocation benefits, short-term incentives, long-term incentives, or discretionary payments for exceptional performance.

KBR Benefits: KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. Click here to learn more: KBR Benefits | KBR

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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Skills

people@work
Structural engineering
Earth science
Aerospace engineering
Electrical engineering
Computer engineering
Computer science
Leadership
Communication skills

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