Full Time: Systems Engineering Senior

About The Role:Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Senior Systems Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location.The Senior Systems Engineer is a highly technical engineer within a fast-paced, customer-focused experimentation and deployment team. This role requires deep experience designing, testing, integrating, deploying, and operating complex software and hardware systems in mission-critical environments.The Senior Systems Engineer will design, architect, and integrate complex DoD software systems, lead test execution efforts in the field, interface directly with senior warfighters and government sponsors, and drive resolution of complex integration and operational issues during test events. Security Clearance. This is an on-site position. Requiring at least 5 days in office, based out of our Arlington, VA location.Interpret stakeholder needs to establish clear, prioritized requirements and success criteria that drive project outcomes. Develop structured, scalable system designs that balance performance, reliability, and long-term sustainability. Coordinate component integration, execute testing, and ensure solutions meet functional and quality standards. Leverage Insights and Data: Analyze customer feedback, research findings, and performance trends to inform design direction and enhance system effectiveness. Skills, Knowledge & ExpertiseWho You Are (Required): Bachelor's degree in engineering, computer science, mathematics, physics, other STEM field, or equivalent full-time professional experience7+ years' relevant experience required Ability to travel up to 10% of the time as needed Strong technical background in system design, integration, and deployment, with expertise in DOD systems. Proven leadership abilities, with experience leading and motivating teams to achieve project goals in fast-paced environments. Proficiency in designing and implementing systems architecture for scalable and distributed applications. Understanding of different Software Development Lifecycle (SDLC) approaches Experience with model development using SysML, UML, or other modeling languages. Experience with the application of system architecture frameworks such as DODAF or UAF. Experience with MBSE tools, such as MagicDraw/Cameo/Enterprise Architect, Teamwork Cloud, Rhapsody, and DOORS. Knowledgeable in system analysis, verification, validation, and optimization techniques. Ability to define and apply SE and MBSE methodologies and best practices within DoD Systems Engineering contexts.What Makes You Stand Out:Experience with Navy combat systems such as the Aegis Weapon System or other Navy tactical applications.DoD Surface Warfare software development domain knowledge and experience.Solid understanding of networking principles, protocols, and security best practices. Familiarity with agile development methodologies and tools such as Jira or Trello. Familiarity with DevOps methodologies and practices, including continuous integration, continuous delivery (CI/CD), and collaboration tools (e.g., Proficiency in programming languages such as Java, C++, or Python, along with experience in software development methodologies, version control systems, and code review practices. If you know someone who may be a great fit, please feel free to share this opportunity with your network.The posted range does not include bonuses, commissions, tips, or other benefits. At each location, our employees work together in a modern, snack-filled, and social office space, designing innovative solutions for our defense industry customers. Generous benefits package Competitive PTO Paid holidays 401(k) with immediate vesting and matching 9/80 optional schedule (2nd and 4th Friday off every month) Tuition Assistance Reimbursement Program Professional Development Resources Pre-Tax Commuter Benefits Organization-Wide Monthly Tech Connect EventsAnnual Employee Recognition Awards Regular Social Events and Catered Lunches EEO Statement:IDT is an Equal Opportunity employer.