Senior Software Engineer II - Modeling and Simulation

Join SSCI as a Senior Software Engineer II focused on AI and Autonomy systems development, where you will play a pivotal role in modeling and simulation (M+S) and software testing of intricate autonomy systems under realistic operational conditions. The ideal candidate will be instrumental in creating and enhancing sophisticated M+S infrastructures for the assessment and evaluation of AI and Autonomy-enabled systems across various domains. Key Responsibilities:Design and develop advanced M+S infrastructure, facilitating the testing of multi-vehicle autonomy in operational settings.Collaborate within a team to design, implement, simulate, and evaluate autonomy software systems tailored for uncrewed, multi-vehicle systems.Present technical data and information effectively to both internal stakeholders and external clients.Occasional travel (up to 10%) may be required.Must be eligible to obtain and sustain a United States Secret Security Clearance.

Join our innovative team as a Senior Software Engineer II, where you will play a pivotal role in the development and support of cutting-edge software solutions for AI and autonomy technologies. Our collaborative, multi-domain mission systems are at the forefront of advancing autonomous operations. Key Responsibilities:Design and develop sophisticated AI and autonomy software tailored for multi-vehicle mission systems navigating complex and contested environments.Lead components independently while contributing as part of a program team to create, implement, simulate, and rigorously test autonomy software systems for uncrewed, multi-vehicle systems.Deliver technical presentations of results to both internal stakeholders and external clients.Willingness to travel occasionally (up to 10%) as required.Eligibility to obtain and maintain a United States DOD Security Clearance is essential.

Join Alloy Enterprises as a Thermal-Fluids Simulation Engineer, where you will play a crucial role in developing and optimizing thermal-fluid systems for various applications. You will employ advanced simulation tools to analyze and enhance system performance, contributing to innovative solutions that drive our projects forward.Your expertise will help us tackle complex thermal dynamics challenges, ensuring efficiency and reliability in our engineering processes. If you're passionate about simulation engineering and eager to work with a dynamic team, we want to hear from you!

About Speechify Speechify builds text-to-speech tools that turn reading material, PDFs, books, Google Docs, news articles, websites, into audio content. More than 50 million people use Speechify’s products, which include apps for iOS, Android, Mac, a Chrome extension, and a web app. The company has received recognition from Google as Chrome Extension of the Year and was awarded Apple’s 2025 Design Award for Inclusivity. With a distributed team of nearly 200, Speechify brings together engineers, AI researchers, and leaders from companies such as Amazon, Microsoft, Google, Stripe, and Vercel, as well as experienced entrepreneurs. There is no central office; the team works remotely across the globe. Role Overview: Senior Software Engineer – Windows/Desktop Applications This role focuses on building and maintaining native Windows desktop applications. The position is based in Burlington, VT, USA. What You’ll Do Lead the design, architecture, and development of Windows desktop applications using Windows App SDK, WinUI (or similar frameworks), C#, XAML, and C++ where needed. Set and maintain standards for Windows desktop development, with attention to code structure, performance, memory management, responsive UI, compatibility across Windows 10/11+, and long-term maintainability. Drive accessibility by integrating and testing support for APIs such as Microsoft UI Automation, making sure applications are usable by people with disabilities. Work closely with product designers, UX researchers, QA, and other partners to shape features, user experience, and the broader Windows platform strategy. Manage the full lifecycle of features: from concept and design through to implementation, testing, release, and ongoing maintenance, ensuring each release meets quality and reliability standards. Troubleshoot and resolve complex issues, including bugs, performance bottlenecks, memory leaks, rendering challenges, and compatibility concerns, recommending architectural or design changes as needed.

Join the innovative team at Scientific Systems as a Software Engineer II, where you will play a pivotal role in advancing AI and autonomy technologies. You will collaborate on the development of cutting-edge software solutions for autonomous systems designed to operate seamlessly across diverse mission environments.Key Responsibilities:Contribute to the design and development of sophisticated AI and autonomy software tailored for multi-vehicle mission systems functioning in dynamic and challenging environments.Collaborate with program teams to implement, simulate, and rigorously test autonomy software systems for uncrewed multi-vehicle applications.Present technical results and findings to both internal and external stakeholders effectively.Willingness to travel occasionally as required.Ability to obtain and maintain a United States DOD Security Clearance.

At Alloy Enterprises, we are redefining cooling solutions for high-power computing and advanced manufacturing sectors. Our innovative complex metal components enhance heat dissipation, allowing our clients to push the boundaries of technology. Our proprietary Stack Forging™ process enables the creation of intricate micro-geometries, resulting in single-piece, leak-tight components that offer superior cooling performance, reduced pressure drops, and unparalleled reliability. Founded in 2020, Alloy is a dynamic startup with a dedicated team of 60 professionals, having successfully raised over $50M in funding and delivering cutting-edge components to industries ranging from data centers to defense systems.About the RoleWe are seeking a talented Senior Software Engineer to join our interdisciplinary team. In this pivotal role, you will design and implement software solutions that power Alloy’s innovative manufacturing processes. You will leverage your expertise in C++ and geometry-centric software to architect scalable solutions that integrate seamlessly with our existing codebase. Close collaboration with end-users is encouraged, fostering a rich environment for innovation and feedback. Your adaptability, strong communication skills, and willingness to embrace diverse responsibilities will be key to your success in our fast-paced startup culture.This position typically requires 4 days of on-site work per week.Key ResponsibilitiesCo-design an integrated software suite to streamline workflows for Alloy’s Stack Forging™ manufacturing process.Develop advanced 3D algorithms to enhance part precision and facilitate support removal.Transform product concepts and feature specifications into working prototypes and production-grade software.Create 2D motion and path planning algorithms to optimize the performance of Alloy’s Construct machine.Engage actively in the agile development process alongside your team.Contribute to code reviews and quality improvement initiatives.Collaborate with external designers and developers as necessary.What You’ll BringA proactive attitude in a fast-paced startup setting, emphasizing action and innovation.Demonstrable expertise in C++ and experience with geometry-focused software development.Strong communication skills and the ability to collaborate effectively.Flexibility to take on various tasks and responsibilities as needed.

With a legacy spanning over 130 years, Banner Bank remains committed to our core values: listening, learning, and empowering both businesses and individuals to achieve their financial aspirations. Our robust financial standing has earned us recognition from Forbes as one of the Best 100 Banks in America for eight consecutive years and from Newsweek as one of the Most Trustworthy Companies for the past four years.Managing over $15 billion in assets and with more than 150 branches across Washington, Oregon, Idaho, and California, we take our economic role seriously. We provide vital capital to personal banking clients and businesses of all sizes while prioritizing employee volunteerism and donating millions annually to community organizations.Join our team at Banner Bank as a Banker II and become the friendly face of our branch. In this pivotal role, you will assist clients in achieving their financial goals by accurately processing transactions and introducing them to impactful products and services. If you are dedicated to providing outstanding customer experiences and are eager to advance in a nurturing environment, we would love to hear from you.

SSCI seeks a Principal Software Engineer I to join the Autonomy Software division in Burlington, Massachusetts. This leadership position focuses on advancing AI-driven autonomy systems and guiding a dedicated engineering team. The role emphasizes hands-on software development, continuous integration and deployment, and rigorous testing using advanced modeling and simulation tools. Supporting integration and testing for autonomy programs tailored to specific customer needs is also a key part of this position. Key Responsibilities Lead a software engineering team in developing applications from both established and evolving requirements. Design software at the object/class and application levels. Drive the transition of SSCI software to the Digital Engineering Environment, supporting US Government and Department of Defense software acquisition needs. Write and review detailed software documentation. Facilitate development sprints and conduct code reviews. Manage a small team to meet program milestones on schedule, applying modern Agile methodologies. Collaborate with Prime contractors and customers, providing technical insights and support. Monitor industry trends and emerging technologies to keep SSCI at the forefront of navigation, mission planning, and autonomy. Support non-technical tasks as needed, such as staff planning, budget estimation, and client communications. Requirements Able to work at a desk and use a computer for extended periods. Capable of lifting, pushing, or pulling up to 15 pounds. Eligible to obtain and maintain a US Department of Defense Security Clearance.

Join our dynamic team at BCforward as a Validation Engineer II. We are seeking passionate individuals who thrive on innovation and are eager to contribute to exciting projects. As a Validation Engineer, you will play a crucial role in ensuring product quality and compliance through rigorous testing and validation processes.

Speechify seeks an iOS Core Product Software Engineer to help shape the experience of its mobile applications. This position is based in Burlington, VT. Role overview This role centers on building and refining the essential features of Speechify’s iOS apps. The main goal is to deliver a smooth, reliable experience for users while maintaining high standards for usability and performance. What you will do Collaborate with team members to develop and enhance iOS app features Offer ideas and technical solutions that influence the product’s future direction Support efforts to ensure strong usability and performance in mobile products Location This role requires working onsite in Burlington, VT, USA.

Role overview Speechify seeks a Software Engineer specializing in Data Infrastructure & Acquisition for its Burlington, VT office. The position involves developing and maintaining scalable data systems that directly support product development and enhance the user experience. What you will do Design and build data infrastructure to support Speechify's products Work with teams throughout the company to keep data accurate, reliable, and accessible Contribute to improving how data flows through and powers Speechify's platforms

NetBrain Technologies, Inc. is based in Burlington, MA and offers a hybrid work model. The company focuses on no-code network automation, serving large enterprises and managed service providers with a platform that automates troubleshooting and network management across hybrid multi-cloud environments. Role overview The Senior AI Engineer will design and build agent and Retrieval-Augmented Generation (RAG) systems for the NetBrain platform. This position involves both hands-on engineering and high-level system architecture, with a focus on delivering production-ready solutions. The work covers architecture, evaluation, scalability, observability, and reliability for live production systems. This role suits someone who is comfortable with ambiguity and rapid prototyping. Moving ideas from concept to production, while upholding quality, safety, and practical value, is central to the position. Key responsibilities Agent platform and architecture Design and implement core agent platform features, including orchestration patterns such as ReAct and Plan-and-Execute, tool execution layers, memory and context management, and guardrails. Develop reusable agent skills and contribute to a standardized tool ecosystem that fits the platform’s capabilities.

Join Coffman Engineers, Inc. as a Senior Civil Engineer and leverage your extensive experience in civil engineering projects. You will be responsible for leading design efforts, overseeing project execution, and providing technical guidance to junior engineers. Your role will be pivotal in ensuring project success, maintaining client relationships, and adhering to industry standards.

Role Overview The Senior Structural Engineer at cima2 will focus on dams and hydropower projects based in Burlington. This position involves designing, analyzing, and supervising the construction of key infrastructure. The work directly addresses client requirements and ensures that all projects meet current industry standards and regulatory guidelines. What You Will Do Design and analyze structural elements for dams and hydropower facilities Supervise construction activities to maintain quality and regulatory compliance Work closely with professionals from other disciplines to create sustainable project solutions Contribute to renewable energy development by supporting safe and efficient infrastructure Impact This position plays a central role in enhancing the safety, efficiency, and sustainability of essential infrastructure. The work not only supports client objectives but also advances the transition to renewable energy.

Join our dynamic team as a Senior Mechanical Engineer where you will leverage your extensive experience to drive innovative mechanical solutions. You will be responsible for leading design projects, mentoring junior engineers, and collaborating with cross-functional teams to deliver high-quality results.Your expertise will contribute to our commitment to excellence and our clients' success. We offer a challenging environment that fosters growth, creativity, and advancement.

At Black Duck Software, Inc., we empower organizations to develop secure, high-quality software efficiently, reducing risks while enhancing speed and productivity. As a leader in application security, we offer comprehensive solutions including Static Application Security Testing (SAST), Software Composition Analysis (SCA), and Dynamic Application Security Testing (DAST) that allow teams to swiftly identify and rectify vulnerabilities in both proprietary code and open-source components. Our unique blend of top-tier tools, expert services, and industry knowledge positions Black Duck as the premier partner for maximizing security and quality within DevSecOps practices and the entire software development lifecycle.We are excited to welcome a dedicated Senior Staff Sales Engineer to our Enterprise Sales team. The perfect candidate will seamlessly integrate technical expertise with commercial acumen, collaborating closely with customers and sales teams to showcase the benefits of our application security testing solutions.

10Beauty is an innovative robotics startup located in Burlington, MA, dedicated to revolutionizing the beauty industry with cutting-edge technology. With over $50 million raised from renowned venture capitalists and celebrity investors, we are on a mission to create the world’s first fully autonomous manicure machine. Our groundbreaking product has already garnered pre-sales of 1,000 units to prestigious brands such as Ulta Beauty and Nordstrom.In November 2025, we proudly launched our first robot at Ulta Beauty in Everett. As a rapidly growing organization of over 50 talented professionals with extensive robotics expertise, we invite you to join us in putting 'beauty robotics' on the global map!Your Role:We are in search of a highly skilled and experienced Robotics Software Manager to lead our embedded software engineering team at 10Beauty. This is a pivotal leadership position where you will oversee a crucial engineering function and drive the technical development of our revolutionary robotic product. Your expertise in robotics will be instrumental as we transition from product launch to scaling our fleet!If you are passionate about pioneering a new category of intelligent beauty through robotics, we encourage you to apply!

cima2 is seeking experienced Senior Geoscientists and Environmental Engineers to join a candidate pool in Burlington. This group addresses environmental challenges and works to promote sustainable practices through a range of projects. Key responsibilities Research environmental issues to inform project direction Analyze data that supports project objectives Develop and recommend sustainable solutions for complex environmental problems Location All positions in this candidate pool are based in Burlington.

We are seeking a talented and motivated Senior Business Analyst to join our dynamic team at Black Duck Software. In this role, you will leverage your analytical skills to drive business insights and support critical decision-making processes. You will collaborate with cross-functional teams to gather requirements, analyze data, and develop actionable strategies that enhance our operations.

Join our dynamic team at stemxpert1 as a TIBCO Software Developer. In this role, you will be responsible for developing, implementing, and maintaining TIBCO software solutions that drive our business applications. You will collaborate with cross-functional teams to ensure optimal integration and performance of TIBCO technologies.