JUMPSTART YOUR CAREER IN DETROIT STC is looking for model-based systems engineers in the Detroit area with advanced technical skills to tackle complex challenges and accelerate the development of future-focused systems. WORKING AT STC SEND US YOUR RESUME! First name* Last name* Email* Phone* Resume Upload File Message SEND READY TO TAKE YOUR CAREER TO THE NEXT LEVEL? Join our team in Sterling Heights, Michigan, and you’ll work on state-of-the-art systems that are shaping the future of defense. We are looking for an emerging authority with technical expertise to develop innovative solutions to complex problems. If you're passionate about MBSE, cutting-edge technology and eager to make a significant impact, this is the opportunity for you. About STC STC was founded to revolutionize systems engineering by harnessing the power of digital modeling to simplify complexity, improve understanding and support decision-making. Our team of expert MBSE and digital engineering professionals is committed to advancing innovation and ensuring mission success for both government and commercial clients. Through cutting-edge tools, services and training, we help organizations navigate today's multifaceted challenges while driving growth and empowering innovation. Enjoy a full range of benefits Through our parent company, Arcfield, STC offers a full suite of health care and total rewards options to fit every lifestyle and encourages all employees to maintain a healthy work-life balance. We also provide professional learning tools and resources—from career paths and individual development plans to online, in-classroom and certification training programs—to propel your career. LEARN MORE Discover your new career Our people make the difference, which is why we foster an environment where you can do your best work while helping our customers achieve program success. If you have a passion for technology and are driven by innovation and creativity, don’t wait—apply today! EXPLORE JOBS A team of top talent From your first day on the job, you’ll find a team you are proud to stand shoulder to shoulder with. We are innovative thinkers that challenge the status quo. Our people are hard at work engineering original, rapidly deployable solutions in advanced analytics, cybersecurity and systems integration that increase the speed of technology to mission. And we make sure that our people have the best tools available to do so. LEARN MORE

WORKING AT STC At STC our team of engineers and specialists are united in putting our customers’ needs first. STC is the type of workplace where you feel good about the work you’re doing. We provide advanced solutions in digital engineering and model-based systems engineering and integration in support of our customers’ most sophisticated technical challenges. At STC, you’re not just an engineer, you’re a solution provider, navigating technical complexity and delivering results. A team of top talent From your first day on the job, you’ll find a team you are proud to stand shoulder to shoulder with. We are innovative thinkers that challenge the status quo. Our people are hard at work engineering original, rapidly deployable solutions in advanced analytics, cybersecurity and systems integration that increase the speed of technology to mission. And we make sure that our people have the best tools available to do so. LEARN MORE Enjoy a full range of benefits Through our parent company, Arcfield, STC offers a full suite of health care and total rewards options to fit every lifestyle and encourages all employees to maintain a healthy work-life balance. We also provide professional learning tools and resources—from career paths and individual development plans to online, in-classroom and certification training programs—to propel your career. LEARN MORE Discover your new career Our people make the difference, which is why we foster an environment where you can do your best work while helping our customers achieve program success. If you have a passion for technology and are driven by innovation and creativity, don’t wait—apply today! EXPLORE JOBS

EMPLOYEE PORTAL The Arcway All enterprise applications are accessible via the Apps dropdown on The Arcway. Please note that Microsoft authentication will be required with your Arcfield credentials. ACCESS THE ARCWAY

DIGITAL ENGINEERING Digital engineering leverages digital, data-based tools, technologies and processes to design, simulate, and analyze engineering systems and programs. Specializing in designing and developing digital engineering services and solutions, STC leverages a wide range of disciplines including modeling and simulation, automation, life cycle management, digital twins and data-driven decision making to meet organizations’ specific needs. Digital Ecosystem A digital engineering ecosystem is the network of interconnected digital tools that provides the collaborative environment necessary to facilitate creation, simulation, analysis and management of engineering initiatives. STC provides the critical digital engineering ecosystems that serve as the foundation of any digital engineering initiative. CONTACT US Digital Engineering Software STC is committed to providing the most competitive pricing, quick turnaround times, and top-tier support for all Dassault Systemes (DS) products as a certified platinum reseller/partner to DS and a member of its Certified Systems Integrator Alliance. LEARN MORE Consulting Not sure how to get started with digital engineering? STC works closely with our customers to establish an organizational culture that fully leverages the advantages of digital engineering. Unlocking the value of digital engineering is a unique process for each company based on the industries served, the complexity of systems being developed, and the tool stacks used by the company’s design team and partners. LEARN MORE

ABOUT STC STC was founded to do systems engineering differently. Every day, we realize the power of formalized modeling to comprehend complexity, increase understanding and inform decision-making. Our expert team of model-based systems engineering and digital engineering practitioners are working tirelessly to ensure the success of advanced government and commercial systems through a premier set of services and solutions. Navigate Complexity Our mission is to make the complex understandable and to empower innovation that solves the multifaceted challenges of tomorrow. ADVANCE THE MISSION EMPOWER OUR PEOPLE GROW OUR BUSINESS MISSION | PEOPLE | BUSINESS This is our credo. We are unified in putting the mission first because the security of our nation is what’s at stake. But we know that we can’t do it without the diverse experience and unmatched skill set of our people. We believe by fostering an environment that is driven by innovation and empowers its people that we can accelerate mission success for our partners and ensure our longevity as a company. When Arcfield was established, we envisioned a company unlike any other. Our credo and values are unique to the people we hire and the work that we do and define who we are. Our code of conduct is an extension of our values and reflects our continued commitment to ethical business practices and regulatory compliance. YEARS OF INNOVATION 6 EXPERT MBSE ENGINEERS 140+ SECURITY-CLEARED WORKFORCE 100% REMOTE LOCATIONS 75+ NEXT-GEN PLATFORMS SUPPORTED 35+ ORGANIZATIONS SUPPORTED 100+ Our history About Arcfield Arcfield was purpose-built to protect the nation and its allies through innovations in systems engineering and integration, space and mission launch assurance, cybersecurity, and conventional and hypersonic missile support. Headquartered in Chantilly, VA with 17 global offices, Arcfield employs more than 1,500 engineers, analysts, IT specialists, and other professionals with more than 60 years of collective proven experience supporting missions in cyber and space defense, hypersonic and nuclear deterrence, and warfighter readiness. LEARN MORE AEROSPACE AND DEFENSE CONSUMER AND RETAIL HEALTHCARE PUBLIC SECTOR AUTOMOTIVE INFORMATION TECHNOLOGY MANUFACTURING Industries we serve From complex defense systems to household appliances, and from hypersonic missiles to electric vehicles, we have experience doing it all.

PRODUCTS WE SELL Selecting the right tools and plugins for your organization’s MBSE programs isn’t always clear. Let us help you navigate the Dassault Systemes portfolio offerings and make the right selections for your needs. STC is committed to providing the most competitive pricing, quick turnaround times, and top-tier support for all Dassault Systemes products we represent across all industries. Since early 2022, STC has partnered with Dassault Systemes to provide customers the highest level of customer service and responsiveness when seeking Dassault Systemes software sales. STC provides critical, real-time support to our software customers, reducing program downtime due to software licensing and availability issues. Additionally, with expertise in Dassault Systemes programs, our agile team of subject matter experts can respond quickly to full-scale digital ecosystem infrastructure installs and liaise with Dassault Systemes on your behalf, providing the highest level of fidelity and accuracy in establishing digital linkages between digital engineering tools. ​ In recognition of best-in-class performance in the 3DS ecosystem and for being highly aligned with 3DS business strategy, STC has been awarded Platinum Partner status by Dassault Systemes. DASSAULT SYSTEMES PRODUCTS MagicDraw Design complex object- oriented information systems Cameo Systems Modeler Define systems behavior, structure, and requirements Cameo Enterprise Architect Define operational missions of large-scale distributed systems PLUGINS Cameo Simulation Toolkit Execute and animate models of a system in a realistic context Cameo Data Hub Plugin Enables import/export and data synchronization with other tools and repositories Cameo Requirements Modeler Plugin Import and manage requirements within the model COLLABORATION Teamwork Cloud Central repository for storing models, allowing users to work collaboratively and concurrently Cameo Collaborator Web based access to present model data in a simplified form for stakeholders and reviewers CATIA No Magic Portfolio is for existing Dassault Systemes Customers and Department of Defense. For customers in other industries, please contact us for the CATIA Magic Portfolio Contact Us Submit the form below and a member of our team will be in touch! First name* Last name* Email* Phone Company Name Area of Inquiry* Message* SUBMIT MODELING

TAKING CARE OF OUR PEOPLE At STC, we know without a doubt that our people make the biggest difference. That’s why, along with helping our customers achieve program success, our people are our top priority. From the moment you apply online to the time you arrive at orientation; it is our goal to ensure you are made to feel like just that—a priority. A culture of continuous learning At Arcfield, we have a culture of learning where training and career development is a partnership between the company and the employee. In addition to hiring the best and the brightest, we ensure our employees have access to the tools and educational opportunities to succeed in their jobs and grow their careers. We offer a wide range of career development opportunities: Health and wellness It takes more than competitive salaries to attract and retain the best employees—they deserve great pay, a flexible work environment and solid, sustainable benefits. STC’s benefits program, provided by our parent company Arcfield, was created and evolves frequently to ensure we provide our employees with the peace of mind they need to enjoy their job and life outside of work. We review our benefit options annually to ensure we’re offering the most complete and competitive package. Benefits include the following: FORMAL DEVELOPMENT PROGRAMS AT EVERY STAGE OF YOUR CAREER INDUSTRY CERTIFICATIONS TUITION REIMBURSEMENT MENTORING ON-THE-JOB, CLASSROOM AND SELF-PACED TRAINING Please note that benefits may vary by location and role. A complete and current description of our benefits will be provided upon hire. MEDICAL INSURANCE DENTAL INSURANCE VISION INSURANCE LIFE INSURANCE PAID TIME OFF SHORT-TERM DISABILITY LONG-TERM DISABILITY FSA AND HSA PLANS 401(K) WITH IMMEDIATE VESTING PAID PARENTAL LEAVE

TRAINING At STC, we believe that the best way to learn is by doing. We’ve designed our courses to provide the tools and skill sets required to stand on your own. Our goal for each training course we deliver is to provide immediate and relevant value, enabling participants to confidently begin executing on a model-based systems engineering (MBSE) program. Our philosophy We know that not everyone’s challenges, goals, skill sets and resources are the same. That’s why our training is tailor-made to fit your needs. When you partner with STC, we encourage open discussion around your current pain points, and we craft our training approach and content to address those specific concerns. Our in-person and virtual workshops are configured to include the right mix of content for your organization. With STC, you'll receive personalized attention and guidance to help you achieve your goals. GET STARTED Training Topics We provide comprehensive training across the MBSE and digital engineering landscape. Here are some examples of training we offer: MBSE Methodology: Object Oriented Systems Engineering Method Tool (Dassault Systemes Cameo suite of tools and CATIA Magic) Language: SysML v1; SysML v2 (coming in 2024!) DIGITAL ENGINEERING TeamWork Cloud (TWC) Data interfaces and transformation Software integrations and co-simulation Training Courses The following trainings are ready-made and can be requested as-is or customized to your organization's unique needs: MBSE Methodology in Practice Provides instruction on a practical approach to OOSEM that delivers results using Cameo and SysML, and optional customer-specific discussions and demonstrations 35-42 hours, up to 15 participants SysML Builder / Consumer / Reviewer Various levels of SysML education focusing on common organizational roles 14 / 7 / 3.5 hours, up to 20 participants Cameo Systems Modeler (CSM) (+ equivalent Dassault tools) Introduction to the usage of modeling tools in general and CSM in particular 4 hours, up to 20 participants Contact Us Submit the form below and a member of our team will be in touch! First name* Last name* Email* Phone Company Name Area of Inquiry* Message* SUBMIT

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IN THE NEWS A curation of news from around the industry featuring STC and our people. Arcfield Subsidiary Wins Subcontract to Support Army Next-Gen Effort READ MORE 6/2/24 WashingtonExec U.S. Army's TITAN program to incorporate model-based systems engineering by STC READ MORE 5/29/24 Military Embedded Systems MBSE Drives Innovation For Automotive Manufacturers READ MORE 3/4/24 Industry Today Model-based systems engineering (MBSE) enhances digital design of military communications and weapons READ MORE 12/14/23 Military + Aerospace Electronics

MBSE-AS-A-SERVICE We work as an extension of your team to provide expert knowledge throughout the systems development process. Our STC subject matter experts build descriptive digital models to facilitate and communicate the specification and design of a system. MBSE-as-a-Service Fundamentals Model Development Create and maintain detailed models of your system, including functional, logical and physical models Analysis and Simulation Leverage advanced simulation tools to analyze and test system performance under varying conditions Model Integration ​Perform digital model integration, including requirements models, CAD, physics-based engineering models and more to create the full digital thread Model Verification Develop verification artifacts based on modeled test cases and establish end-to-end traceability Industry leading MBSE experts STC’s MBSE-as-a-Service offering drastically reduces costs, improves quality and boosts efficiency over legacy document-based systems engineering practices. Our services identify and resolve problems at the speed of relevance and offer repeatable processes that enable rapid scaling and new program transferability. CONTACT US Benefits of MBSE-as-a-Service IMPROVED COMMUNICATION MBSE provides a clear and concise way to communicate. It avoids misinterpretation and misunderstandings stemming from different terminologies and lexicons. ENHANCED COLLABORATION MBSE provides a collaborative environment where teams can work interactively on a single model. This leads to integrated and consistent engineering artifacts and a better overall understanding of the system. BETTER VISUALIZATION MBSE aids in the creation of visual representations of the system that can be easily understood and interpreted by stakeholders. Visualization supports a stakeholder’s ability to understand the system’s behavior and structure. EARLY ISSUE DETECTION MBSE increases the fidelity of the system design early in the development process, identifying potential issues earlier than traditional systems engineering. Resolution of errors is most cost effective early in the design process. IMRPOVED QUALITY MBSE provides a systematic and repeatable approach to system development, which improves the quality of the system. It reduces the risk of errors and omissions and ensures the system meets the desired specifications. TIME AND COST SAVINGS MBSE reduces the development time and cost by improving communication, collaboration and early detection of issues. MBSE reduces rework, reduces errors, and optimizes the system design process. Contact Us Submit the form below and a member of our team will be in touch! First name* Last name* Email* Phone Company Name Area of Inquiry* Message* SUBMIT