Systems Modeling, Simulation and Analysis Engineer Job at Connexion Systems & Engineering, Inc (Lexington)

Cleared R&D Manager - Modeling, Simulation, and Analysis

Sandia¿s Modern Systems Solutions group is seeking a dynamic and strategic manag...

Location

United States , Albuquerque

Salary:

157100.00 - 267000.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

Bachelor's degree in a relevant discipline and eight (8) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience
Active DOE Q clearance with the ability to acquire an SCI

Job Responsibility

Collaborating with mission partners across other labs and customer organizations
Partnering across laboratory centers for the successful development of USNDS modeling, simulation, and analysis products
Advancing technical capabilities within the department and across the organization
Partnering with the 6300 leadership team to address future modeling, simulation, and systems analytics needs
Providing insights into the current and future needs of laboratory missions to influence strategic direction

What we offer

Challenging work with amazing impact
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements
Generous vacation
Strong medical and other benefits
Competitive 401k
Learning opportunities
Relocation assistance

Fulltime

Systems Engineer

ExoAnalytic Solutions is seeking Systems Engineers at all experience levels to j...

Location

United States , Huntsville; Foothill Ranch; Arlington; Colorado Springs; El Segundo

Salary:

85000.00 - 185000.00 USD / Year

ExoAnalytic Solutions

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Engineering, Physics, Mathematics, or a related technical field (or equivalent practical experience)
Experience in one or more of the following areas: Systems engineering and requirements analysis
Model-Based Systems Engineering (MBSE) using SysML or similar approaches
Digital Twin design, development, operations, and/or sustainment
Modeling and simulation (M&S) development or analysis
Sensor algorithm or model development
Sensor or system performance analysis
Test planning and evaluation for defense or space systems
Proficiency in at least one programming or analysis language (e.g., Python, MATLAB, C, C++, or Java)
Strong problem-solving and communication skills

Job Responsibility

Perform systems engineering, analysis, and design tasks for space and missile defense missions
Evaluate and refine customer requirements to inform architecture and system design
Lead or support the development of system architectures, trade studies, and analyses
Execute modeling and simulation tasks to support evaluation, verification, and performance assessments
Support or lead MBSE efforts using tools such as Cameo, Rhapsody, or DOORS
Develop, integrate, and test models and algorithms for system analysis and mission design
Prepare and present technical findings through briefings, reports, and documentation
Collaborate with multidisciplinary teams to solve complex technical problems

What we offer

Company-paid medical, vision, and dental coverage
401(k) Retirement Plan with a 6% company contribution (no employee match required)
Ample paid personal time off, including holidays
Short- and long-term disability insurance and life insurance
Additional discounts and perks to support your well-being
Flexible scheduling and structured freedom that empower innovation and work-life balance

Fulltime

C++ Simulation Engineer, GPU Modeling

AMD is looking for a C++ Simulation Engineer, GPU Modeling passionate about driv...

Location

Canada , Markham

Salary:

88000.00 - 132000.00 CAD / Year

AMD

Expiration Date

Until further notice

Requirements

Proven hands-on object oriented programming experience in C/C++
Experience or familiarity with advanced text editors and IDEs
Good understanding of computer organization/architecture
Undergrad degree required
Bachelors or Masters degree in Computer Science or Computer Engineering preferred

Job Responsibility

Drive the development of C/C++ simulation models for silicon architecture and algorithm evaluation, performance analysis and hardware verification
Partner with cross-functional teams such as HW/SW Co-design, RTL design, verification, emulation, post silicon validation, firmware and software development, in the use and support of building ASIC architecture and simulation models to ensure first pass silicon success and rapid deployment
Develop and debug complex code, on a large-scale codebase and version control systems

Fulltime

C-Simulation Engineer, GPU Modeling

AMD is looking for a C-Simulation Engineer passionate about driving the cutting-...

Location

United States , Orlando, Florida

Salary:

98400.00 - 147600.00 USD / Year

AMD

Expiration Date

Until further notice

Requirements

Proven hands-on object oriented programming experience in C/C++
Experience or familiarity with advanced text editors and IDEs
Good understanding of computer organization/architecture
Undergrad degree required
Bachelors or Masters degree in Computer Science or Computer Engineering preferred

Job Responsibility

Drive the development of C/C++ simulation models for silicon architecture and algorithm evaluation, performance analysis and hardware verification
Partner with cross-functional teams such as HW/SW Co-design, RTL design, verification, emulation, post silicon validation, firmware and software development, in the use and support of building ASIC architecture and simulation models to ensure first pass silicon success and rapid deployment
Develop and debug complex code, on a large-scale codebase and version control systems

Fulltime

Modeling and Simulation Software Engineer

The DCS Air & Space Technology (AST) Sector is seeking a Modeling and Simulation...

Location

United States , Dayton

Salary:

Not provided

DCS Corporation

Expiration Date

Until further notice

Requirements

U.S. Citizenship is required
Bachelor of Science degree or higher in related engineering or science discipline
Must be able to obtain and maintain a DOD Secret clearance
2–10 years (Journeyman) or 10+ years (Senior) professional software development experience
Using and developing in the Joint Simulation Environment (JSE)
Hands-on with DevSecOps practices and toolchains (CI/CD, automated testing, git, Visual Studio, container tooling)
Experience with containers and orchestration: Docker, podman, helm charts, Kubernetes/Openshift
Familiarity with Windows and Red Hat Linux environments and VMware administration
Experience integrating modeling & simulation software into larger systems preferred
Strong test planning, V&V and documentation skills

Job Responsibility

Design, develop, sustain, and integrate software in a government DevSecOps environment on government-owned systems in support of modeling & simulation and operational/experimental systems
Participate in Agile ceremonies, sprint planning, backlog grooming, and triage
assist government teams with workload prioritization
Perform software integration and installation at government facilities (may require travel)
Produce software test plans, execute V&V and lifecycle testing, and generate test reports of the applications developed
Support R&D activities to integrate advanced models, simulations, and hardware into legacy and new platforms (JSE, VATS, F‑16 examples)

Fulltime

Senior Systems Engineer

Barbaricum is seeking a Senior Systems Engineer to contribute to the DoD Chief D...

Location

United States , Falls Church

Salary:

Not provided

Barbaricum

Expiration Date

Until further notice

Requirements

Active DoD Secret Clearance Required
Bachelor’s degree plus 7-10 years experience, or a Masters Degree plus 5 years of experience
Education must be in Systems Engineering or closely related discipline such as Modeling and Simulation Engineering
Strong knowledge of proven experience with network capacity planning, network security principles, and general network management best practices
Experienced in Python programming and in industry-standard Software Engineering software (e.g., Cameo, IBM Rhapsody, Labview, or any other Model-Based Systems Engineering)
Experience with network design/development and design of data exchange standards such as APIs, cloud storage, and access-denied environments
Great technical writing skills
Familiarity and understanding of: Data Mesh Design, Systems of Systems, Systems Engineering
Zero Trust Architecture
Access Management

Job Responsibility

Ensures that the consortium members are proposing and working towards a common interoperable technical vision
Provide collaborative technical leadership alongside industry and government partners to establish high level data mesh design patterns and proofs of concept/ prototypes suited to a complex multi-vendor, multi-organization environment
Proactively identifies and develops solutions to identify and mitigate technical risks, ensuring compliance to with global standards as well as interoperability with DoD systems
Create and review others’ relevant documentation, such as diagrams, detailed assessments, and design document
Assist in the evaluation of new products and services
make recommendations for improvements and assist in the development and documentation of network architecture
Serves as a senior technical advisor in formulating the technical approaches, selection of the tools, diagnostics methods for solving the customer problems utilizing artificial intelligence in a timely manner
Consults with organizations to obtain or exchange complex technical information
Ensures all the functional and performance analysis models developed reflect the operational performance requirements

Software Engineer

ExoAnalytic Solutions is currently looking for a software engineer to join a tea...

Location

United States , Colorado Springs

Salary:

85000.00 - 110000.00 USD / Year

ExoAnalytic Solutions

Expiration Date

Until further notice

Requirements

BS in Computer Science, similar technical field of study, or equivalent practical experience
1-5 years’ software development experience in one or more general purpose programming languages
United States citizenship required
Experience using software version control systems
Experience working with two or more from the following: computer graphics, 3d visualization, simulations, game engines, game development, user interfaces, systems modeling, behavior modeling, state machines, analysis, space systems, control theory, orbital dynamics, and/or model-based systems engineering
Eligibility to obtain an active Top-Secret clearance
Working proficiency and communication skills in verbal and written English

Job Responsibility

Design, develop, test, deploy, maintain, and improve software
Manage individual project priorities, deadlines, and deliverables
Work on a team with other engineers

What we offer

company-paid medical, vision, and dental coverage
access to a 401(k) Retirement Plan with a 6% contribution made by the company without requiring any match from the employee
ample paid personal time off, including holidays
short and long-term disability insurance
life insurance
various other discounts and perks
flexible schedule
structured freedom that allows employees to innovate

Fulltime

Rf Systems Engineer

We are looking for an experienced Radio Frequency (RF) Systems Engineer to join ...

Location

France , Paris; Caen; Grenoble

Salary:

Not provided

SCALINX

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Electrical Engineering, RF Engineering, Telecommunications, or a related field
5+ years of experience in RF systems design and integration for communication systems
Experience in RF system simulation and integration into digital and analog for SoCs
Strong understanding of RF system components, including filters, power amplifiers, low-noise amplifiers (LNA), mixers, radio calibration algorithms, and high speed data converters
Proficiency in RF simulation and modeling tools such as MATLAB, ADS, or equivalent
Hands-on experience with RF measurement tools and techniques, including EVM, noise figure, and phase noise testing
Solid understanding of electromagnetic principles and experience working with wireless communication standards such as 4G/5G, Wi-Fi, or satellite communication systems
A proven track record in the system design of several complex high-speed/RF mixed-signal SoC products
Excellent RF, systems and signal processing skills
Able to collaborate cross-functionally and converge on design specifications

Job Responsibility

Develop and define RF system architectures, including level plans, RF chain analysis, and performance specifications, to meet System-on-a-Chip (SoC) product requirements
Analyze and model RF systems, ensuring optimal performance, signal integrity, and minimal interference including circuit impairments over a wide range of conditions and use cases
Perform simulations and system-level analysis to predict and optimize RF system behavior. Develop algorithms and calibration routines
Collaborate with analog mixed-signals (AMS) design and digital engineers to ensure RF systems are correctly implemented and optimized for power, noise, and linearity. Provide block level specifications and/or digital vectors to circuit designers
Conduct system validation and troubleshooting in lab environments using advanced test equipment such as spectrum analyzers, signal generators, and vector network analyzers. Ensure RF systems meet regulatory and performance specifications in real-world environments
Create detailed technical documentation, including system design reports, test plans, and validation procedures
Stay updated on advancements in RF technologies, communication protocols, and standards (e.g., 5G, LTE, satellite communications)

Fulltime

Systems Modeling, Simulation and Analysis Engineer

Connexion Systems & Engineering, Inc

Location:
United States , Lexington

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
April 10, 2026

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