Senior Software Engineer (Network Simulation)

Job Application for Senior Software Engineer (Network Simulation) at Anduril Industries Senior Software Engineer (Network Simulation) Reston, Virginia, United States Apply Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. ABOUT THE TEAM Anduril Intelligence Systems (AIS) is a lead provider of highly specialized engineering products for Intelligence Community (IC) customers. We work within the IC to understand their requirements and shape concepts of operation. We design, develop, and deliver exquisite capability across their mission set using commercially available and custom hardware and software. We provide critically needed capabilities that address our customers’ most pressing national security requirements. ABOUT THE JOB If you are a Senior Software Engineer with deep expertise in networking, protocols, and system architecture to build and maintain sophisticated simulation environments that enable users to experiment with network operations and security testing in controlled settings. This role focuses on designing, developing, and operating realistic virtual machine environments that accurately emulate systems, networks, and behaviors. As a specialist in simulation and emulation, you will architect complex network topologies, and build representative system configurations. Your work will require both software engineering excellence and deep technical knowledge of operating systems, network protocols, and the behavioral characteristics of various platforms. With a "Whatever It Takes" mindset, this position demands strong C/C++ or Python development skills combined with hands-on experience in network engineering, virtualization technologies, and understanding how systems behave in operational scenarios. WHAT YOU’LL DO Software Development: Write robust code to build simulation frameworks, orchestration tools, and custom system components Develop software that controls VM lifecycle management, network configuration, traffic generation, and state management Build instrumentation and logging capabilities to capture system and network behavior during exercises Create APIs and interfaces that enable users to configure, launch, and interact with simulation environments Experience with distributed systems Simulation Architecture: Design and build virtual machine environments that accurately simulate systems for security experimentation, including accurate network stacks, system configurations, and behavioral characteristics Create realistic network topologies using virtualization and network emulation technologies to replicate operational environments Develop modular, reusable VM templates and network configurations that can be rapidly deployed and customized for different training scenarios Implement monitoring and observability solutions to track simulation health and user activity Networking & Protocol Implementation: Implement and configure complex network protocols (TCP/IP, DNS, HTTP/HTTPS, SSH, RDP, SMB, etc.) within simulated environments Design network segmentation, routing, and firewall configurations that replicate enterprise networks Troubleshoot network connectivity issues and ensure proper packet flow within virtualized network environments Build traffic generation and network behavior emulation to create realistic network activity patterns REQUIRED QUALIFICATIONS Strong engineering background from industry or school, ideally in areas/fields such as Computer Science, Software Engineering, Mathematics, or Physics. Experience with C/C++, Go, and other common Object-Oriented languages – C/C++ strongly preferred. Deep networking knowledge including TCP/IP fundamentals, routing, switching, network protocols (DNS, DHCP, HTTP, SSH, etc.), and packet analysis Hands-on experience with Linux system administration, including kernel configuration, service management, user permissions, and system hardening Hands-on experience with containerization (Docker) and container orchestration (Kubernetes). Ability to quickly understand and navigate complex systems and established code bases Strong problem-solving skills with ability to solve complex technical problems with little oversight Excellent written and verbal communication skills for technical documentation and stakeholder engagement Currently possesses and is able to maintain an active U.S. Top Secret security clearance PREFERRED QUALIFICATIONS Experience with network security tools such as Wireshark, tcpdump, nmap, or similar frameworks Knowledge of penetration testing or red/blue team operations Understanding of security testing techniques Experience building cyber ranges, training environments, or CTF (Capture The Flag) infrastructure Experience with distributed systems and multi-node simulation architectures Knowledge of container networking (CNI, service mesh, network policies) Experience with CI/CD pipelines for automated testing and deployment of simulation environments Familiarity with embedded systems or IoT device emulation US Salary Range $191,000 - $253,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including: Healthcare Benefits US Roles: Comprehensive medical, dental, and vision plans at little to no cost to you. UK & AUS Roles: We cover full cost of medical insurance premiums for you and your dependents. IE Roles: We offer an annual contribution toward your private health insurance for you and your dependents. Additional Benefits Income Protection : Anduril covers life and disability insurance for all employees. Generous time off : Highly competitive PTO plans with a holiday hiatus in December. Caregiver & Wellness Leave is available to care for family members, bond with a new baby, or address your own medical needs. Family Planning & Parenting Support: Coverage for fertility treatments (e.g., IVF, preservation), adoption, and gestational carriers, along with resources to support you and your partner from planning to parenting. Mental Health Resources: Access free mental health resources 24/7, including therapy and life coaching. Additional work-life services, such as legal and financial support, are also available. Professional Development: Annual reimbursement for professional development Commuter Benefits: Company-funded commuter benefits based on your region. Relocation Assistance: Available depending on role eligibility. Retirement Savings Plan US Roles: Traditional 401(k), Roth, and after-tax (mega backdoor Roth) options. UK & IE Roles: Pension plan with employer match. AUS Roles: Superannuation plan. 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