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This role will extend the development of the models and simulation frameworks to support the improvement of the performance and cyber-physical resilience of advanced digital twin controls systems and will require a balance of software engineering, cybersecurity, and multi-physics modeling and simulation of machinery systems. This role will implement the research and development of novel approaches for representing machinery system performance as part of a larger effort to improve the performance and cybersecurity of machinery controls for defense applications.

#LI-DNISenior Software Engineer - Modeling and Simulation  Location: Onsite in Columbia, South Carolina. Or remote only in the following locations: Fayetteville, Arkansas; Washington, DC; or Philadelphia, PA. What we doInteger Technologies is an applied research and product development company founded by scientists and engineers with a passion for protecting freedom with innovation. We perform R&D on next-generation systems and technologies for the Department of Defense and other U.S. Government agencies. We are hardware and software developers with experience transforming research into fieldable technology. Our core portfolio of research includes projects in power & energy systems, unmanned systems (with an emphasis on maritime systems), digital engineering, cyber security, and advanced manufacturing. Our mission is to create a safer world by translating scientific discoveries into reliable products that address urgent national security needs... at the speed of relevance. Company Benefits<ul><li>Base salaries which exceed local & national industry averages.</li><li>Year-end performance-based bonuses.</li><li>401(k) with company matching that vest immediately.</li><li>Integer fully covers medical, prescription, vision, and dental insurance costs for the employee and dependents. Meaning Integer standard plan pays 100% of health insurance premiums for your entire family from a well-known national insurer, saving its employee's thousands of dollars annually.</li><li>Relocation assistance available.</li><li>Paid vacation, sick leave, and holidays.</li><li>Paid bereavement and parental leave.</li><li>Hybrid schedule: Mondays and Fridays are optional to work from home or in the office.</li></ul> Company Perks<ul><li>Startup culture with the stability of a large company. Integer's business plan has years of time phased contracted work, alleviating the would-be risk from a traditional small company.</li><li>Direct access to company leadership, prioritization of people over process, and a stellar team with a shared desire for personal and professional growth.</li><li>Friendly atmosphere where people enjoy not only their work and what they're creating but enjoy helping each other as well.</li><li>Bottomless Coffee</li></ul> About the Role Integer Technologies is seeking a Senior Software Engineer reporting to the Digital Twin and Controls Engineering Manager within the Digital Engineering Division. This role will implement the research and development of novel approaches for representing machinery system performance as part of a larger effort to improve the performance and cybersecurity of machinery controls for defense applications. Integer's products use digital engineering tools to support decision-making and optimization of large and complex integrated defense machinery systems. The Digital Twin and Controls team is focused on building digital twin-based controls platforms for advanced machinery applications. The goals of these controls platforms are optimizing system performance, improving system resilience, and reducing the cognitive burden of the users. This role will extend the development of the models and simulation frameworks to support the improvement of the performance and cyber-physical resilience of advanced digital twin controls systems and will require a balance of software engineering, cybersecurity, and multi-physics modeling and simulation of machinery systems. Objectives of this role:<ul><li style="line-height:107%">Analyze technical needs for digital twin control systems, elicit actionable system requirements and develop robust software focusing on emulating physical systems and simulating notional machinery.</li><li style="line-height:107%">Create scalable software platforms and applications, as well as efficient networking solutions, that are unit tested, code reviewed, and checked regularly for continuous integration.</li><li style="line-height:107%">Identify and resolve issues in hardware and software systems, collaborating with cross-functional teams as needed.</li></ul> Responsibilities <ul><li style="line-height:107%">Develop multi-physics computer models that accurately represent real-world systems</li><li style="line-height:107%">Apply physics-based and data-driven modeling techniques</li><li style="line-height:107%">Integrate models into full digital twin workflows for analysis and prediction</li><li style="line-height:107%">Architect scalable software frameworks that support digital twin functions</li><li style="line-height:107%">Collaborate using version control workflows with Git across multidisciplinary teams</li><li style="line-height:107%">Ensure smooth integration with live data streams from physical assets, sensors, or emulated equipment</li><li style="line-height:107%">Integrate models with analysis workflows to support real-time and faster-than-real-time decision making</li><li style="line-height:107%">Optimize trade-offs between simulation speed, accuracy, and system resource constraints</li><li style="line-height:107%">Conduct research on cutting-edge engineering topics where no current solutions exist</li><li style="line-height:107%">Document findings in a clear, accessible format for both technical and non-technical audiences</li><li style="line-height:107%">Work with teams of engineers and subject-matter experts on complex systems</li><li style="line-height:107%">Demonstrate a growth mindset, continuously expanding technical and domain-specific skills</li><li style="line-height:107%">Remain current with advancements in digital twin technologies and modeling tools</li><li style="line-height:107%">Exhibit organization and detail orientation while managing complex tasks</li></ul> Required Qualifications<ul><li style="color:#141416;line-height:107%">Must be a U.S. Citizen with the ability to obtain and maintain a U.S. DoD Secret Clearance</li><li style="color:#141416;line-height:107%">Bachelor's degree in software engineering, electrical engineering, mechanical engineering, computer science, or a related technical discipline</li><li style="color:#141416;line-height:107%">5+ years of professional software engineering experience-ideally building control systems, digital twins, or embedded applications</li><li style="line-height:107%">Proficiency working with computer modeling and simulation environments (e.g., MATLAB/Simulink, Modelica, or similar) in one of the following domains:<ul><li style="line-height:107%">Electrical Power and Energy Systems</li><li style="line-height:107%">Thermal-Fluid and Cooling Systems</li><li style="line-height:107%">Machinery and Electromechanical Control Systems</li></ul></li><li style="color:#141416;line-height:107%">Proficiency in a high-level programming language such as Python, C/C++, Java or others, with experience using scientific computing and numerical libraries.</li><li style="color:#141416;line-height:107%">Experience with software engineering principles, including object-oriented design, data management, multi-threading/multi-processing, and collaborative source control using Git.</li><li style="color:#141416;line-height:107%">Experience with debugging and optimizing solver performance, including convergence and stability issues</li><li style="color:#141416;line-height:107%">Experience writing software to interface with and process data streams from physical hardware, sensors, or network sources.</li><li style="line-height:107%">Excellent problem-solving skills and attention to detail.</li><li style="line-height:107%">Excellent communication and teamwork skills to collaborate effectively across departments.</li></ul> Desired Qualifications <ul><li style="line-height:107%">Masters or PhD in a relevant engineering or computer science discipline.</li><li style="line-height:107%">Proficiency developing software solutions for defense applications.</li><li style="color:#141416;line-height:107%">Proficiency in software engineering principles, including object-oriented design, data management, multi-threading/multi-processing, and collaborative source control using Git.</li><li style="line-height:107%">Experience with machine learning frameworks (e.g., TensorFlow, PyTorch) or numerical optimization methods.</li><li style="line-height:107%">Experience with database design and management (e.g., SQL, NoSQL).</li><li style="line-height:107%">Experience designing software solutions utilizing multiple network communication protocols (e.g., TCP/IP, SSL, TLS, DDS, REST) or hardware interface standards (e.g., CAN bus, Modbus).</li><li style="line-height:107%">Experience with parallel computing for high-performance simulations</li><li style="line-height:107%">Experience with real-time simulation platforms (e.g., OpalRT, Typhoon HIL, Speedgoat).</li><li style="line-height:107%">Experience with software testing methodologies, including unit testing, integration testing, and continuous integration (CI/CD).</li><li style="line-height:107%">Experience with simulation solver technologies and numerical integration methods.</li><li style="line-height:107%">Experience with front-end development for data visualization.</li></ul> Screening questions <ul><li style="line-height:107%">Are you able to gain and obtain a Government Security Clearance; which consists of being a US Citizen?</li><li style="line-height:107%">Are you currently located or are you willing to explore relocation to Columbia, SC, and be in office on a Hybrid schedule (3 days a week)?</li><li style="line-height:107%">How many years of experience do you have in software development?</li><li style="line-height:107%">How many years of experience do you have in modeling and simulations development (e.g., physics-based simulations)</li></ul>

Integer Technologies

Senior Software Engineer – Modeling and Simulation

Applications Security

Business Plan

C Programming Language

C++ Programming Language

Code Reviews

Communication Skills

Communications Protocols

Computer Networks

Computer Science

Computer Skills

Continuous Deployment/Delivery

Continuous Integration

Control Engineering

Control Systems

Cross-Functional

Cyber-Physical

Data Management

Data Modeling

Data Processing

Data Visualization

Database Design

Debugging Skills

Decision Support

Dental Insurance

Detail Oriented

DoD Secret Clearance

Electrical Engineering

Electricity

Electromechanical Systems

Embedded Systems

Emulators

Engineering

Engineering Management

Establish Priorities

Government

Hardware Development

Home Automation

Identify Issues

Integration Testing

Internet Security

Java

Leadership

MATLAB

Machine Learning

Manufacturing

Mechanical Engineering

Multithreaded Programming

Needs Assessment

Network Protocols

NoSQL

Object Oriented Design (OOD)

Parallel Computing

Performance Management

Performance Tuning/Optimization

Physics

Prescription Drugs

Problem Solving Skills

Product Development

Product Engineering

Programming Languages

Python Programming/Scripting Language

Quality Assurance Methodology

REST (Representational State Transfer)

Research & Development (R&D)

Research Skills

Risk

SQL (Structured Query Language)

SSL-TLS (Secure Socket Layer - Transport Layer Security)

Security Clearance

Simulation

Small Company

Software Administration

Software Architecture

Software Design

Software Development

Software Engineering

Software Testing

Source Code/Configuration Management (SCM)

Startup

System Integration (SI)

TCP/IP (Transmission Control Protocol/Internet Protocol)

Team Player

Technical Analysis

Technical Research

Unit Test

United States Citizen

United States Department of Defense (DoD)

User Interface/Experience (UI/UX)

Vision Plan

Work From Home

Workflow Analysis

Talent Acquisition

Responsibilities include developing advanced modeling frameworks, leading federally funded projects, mentoring multidisciplinary teams, and collaborating with utilities, academia, and national labs. Ideal candidates have deep knowledge of grid dynamics, DERs, and co-simulation tools, with proven leadership in research projects.

Seeking a Principal Research Engineer with expertise in power system modeling, simulation, and resilience to lead R&D bridging transmission and distribution systems. Responsibilities include developing advanced modeling frameworks, leading federally funded projects, mentoring multidisciplinary teams, and collaborating with utilities, academia, and national labs. Qualifications require 5+ years of relevant experience (PhD preferred). Ideal candidates have deep knowledge of grid dynamics, DERs, and co-simulation tools, with proven leadership in research projects. The role involves publishing research, representing the organization at conferences, and securing funding. The position requires the ability to obtain a security clearance, U.S. citizenship, and compliance with federal drug testing policies. Benefits include comprehensive health coverage, retirement plans, flexible schedules, and professional development opportunities.

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