Principal Security Software Engineer, Applied Computing (Starshield)

Join SpaceX as a Principal Security Software Engineer in our Applied Computing division focused on Starshield, a cutting-edge initiative aimed at enhancing our security software capabilities. In this pivotal role, you will lead the development of innovative software solutions designed to protect sensitive information and maintain the integrity of our systems…

At SpaceX, we believe in a future where humanity explores the stars, pushing the boundaries of what's possible. Our mission is to develop the technologies that will make this dream a reality, ultimately enabling human life on Mars.SENIOR SECURITY SOFTWARE ENGINEER, APPLIED COMPUTING (STARSHIELD)Starshield utilizes SpaceX’s groundbreaking Starlink technology and launch capabilities to bolster national security initiatives. While Starlink serves consumer and commercial markets, Starshield is tailored for government applications, focusing on earth observation, communications, and hosted payloads. Our team is dedicated to constructing highly reliable in-space mesh networks, designing secure systems for guaranteed access to space, and developing next-generation communication and sensing software.As a Senior Security Software Engineer, you will harness artificial intelligence to automate security processes and facilitate secure AI integration into new and existing systems. If you are passionate about AI, security, and the innovative fusion of both, this position is designed for you.We are looking for candidates with the following skills:Software engineeringAgent engineering and securityUnderstanding of LLM attack surfacesNetwork and operating system securityIncident response and adversary detectionSuccess in this role requires flexibility, clear communication, and the ability to build and maintain effective relationships with other engineering teams. If you are driven to create top-quality products, enjoy the challenge of outsmarting adversaries, and wish to make a significant impact on an inter-planetary scale, you will thrive here.

At SpaceX, we envision a future where humanity is exploring the vast universe, and we are dedicated to making that vision a reality. Our mission is to develop groundbreaking technologies that enable human life on Mars and beyond.Position: Security Software Engineer, Applied Computing (Starshield)Join our Starshield team, which utilizes SpaceX's Starlink technology to bolster national security. While Starlink serves consumer and commercial needs, Starshield is tailored for government applications, focusing on earth observation, communication, and hosted payloads. Our mission includes creating highly reliable in-space mesh networks, developing secure systems for guaranteed access to space, and innovating next-generation communication and sensing software.As a Security Software Engineer, your role will involve harnessing AI to automate security measures and ensure the seamless integration of AI into both new and existing systems. If you are passionate about AI, security, and the challenges of merging the two, this position is an excellent fit for you.The ideal candidate will have strong expertise in:Software engineeringAgent engineering and securityLLM attack surfacesNetwork and operating system securityIncident response and adversary detectionSuccess in this role requires flexibility, clear communication, and the ability to forge productive relationships with other engineering teams. If you thrive on building high-quality products and enjoy the challenge of outsmarting adversaries on an interplanetary scale, we want to hear from you!

At SpaceX, we believe in a thrilling future where humanity explores the stars. We are dedicated to developing innovative technologies to make this vision a reality, culminating in our ultimate goal of enabling human life on Mars.SENIOR SECURITY SOFTWARE ENGINEER - STARSHIELDOur Starshield program leverages SpaceX’s advanced Starlink technology and launch capabilities to bolster national security initiatives. Unlike Starlink, which caters to consumer and commercial sectors, Starshield is tailored for government applications, focusing on critical areas such as earth observation, secure communications, and hosted payloads. The Starshield team is tasked with creating highly reliable in-space mesh networks, developing secure systems to ensure space access, and designing next-generation communication and sensing software.As a Senior Security Software Engineer, you will play a pivotal role in shaping the security landscape of our diverse product lines. We seek individuals with a proven history of delivering dependable software and a comprehensive understanding of contemporary Internet security design, including cryptographic principles. Your capacity to see the broader picture, prioritize effectively, and work across various abstraction levels will be essential. Expertise in one or more of the following areas is highly desirable:Software engineeringApplied cryptographyNetwork securityOperating system securitySecure/authenticated bootIncident response and adversary detectionVulnerability researchYour success will depend on your adaptability, clear communication, and ability to build and maintain productive relationships with fellow engineering teams. If you are passionate about crafting high-quality products, enjoy the challenges of outsmarting adversaries, and aspire to make a significant impact on an interplanetary scale, you will thrive here.

Join the innovative team at SpaceX as a Product Security Engineer for our Starshield program. In this role, you will be responsible for ensuring the security of our cutting-edge products and technologies. You will collaborate with cross-functional teams to identify and mitigate potential security risks, implement best security practices, and contribute to the overall safety and reliability of our space systems.

Join SpaceX as a Principal Security Software Engineer, where you will play a critical role in ensuring the security and integrity of our software systems. You will lead initiatives to develop, implement, and enhance security protocols that safeguard our operations and data.

Join HackerOne, a global frontrunner in Continuous Threat Exposure Management (CTEM), where we merge advanced AI technology with the talent of the world's largest network of security researchers. Our cutting-edge platform aids organizations in the continuous discovery, validation, prioritization, and remediation of vulnerabilities across code, cloud, and AI systems. With solutions such as bug bounty programs, vulnerability disclosures, agentic pentesting, AI red teaming, and code security, we empower enterprises to achieve a measurable and ongoing reduction in cyber risk. Recognized by industry giants like Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, and government entities like the UK Ministry of Defence and the U.S. Department of Defense, HackerOne is trusted to protect digital ecosystems. Our commitment to innovation has been acknowledged in Gartner’s Emerging Tech Impact Radar: AI Cybersecurity Ecosystem report, and we’ve been honored as a Most Loved Workplace for Young Professionals (2024).As we stand at a crucial juncture in the security landscape, offensive security has become a necessity for progressive companies aiming to build trust and resilience in an era where AI-driven advancements and adversaries are evolving rapidly. HackerOne distinguishes itself by combining the brilliance of the largest security research community with an exceptional AI-enhanced platform, earning the confidence of the world’s leading organizations.Our ValuesAt HackerOne, we are committed to nurturing a robust and inclusive culture. Our customer-centric approach drives our decisions and actions, as we are Customer Obsessed and prioritize customer outcomes. We practice Default to Disclosure, emphasizing transparency and integrity to foster trust and accountability. Together, we Win Together by promoting empowerment, inclusion, respect, and accountability across our team, researchers, customers, and partners.Senior Software Engineer, Applied AILocation: Seattle, WA; Austin, TX.Work Schedule: 1 Day Onsite WeeklyPosition OverviewAs a Senior Software Engineer on our AI Platform team, you will play a pivotal role in transforming offensive security through the integration of human and artificial intelligence, thereby creating a safer internet. Your contributions will directly impact the development of our next-generation AI security capabilities, particularly our in-platform AI security agent, Hai. You will be responsible for developing AI-driven features that optimize vulnerability discovery, enhance remediation processes, and much more.

Join Our Team as a Security Software Engineer!We are seeking a talented Security Software Engineer to design and develop innovative prototypes and solutions. You will work closely with experts across various IT security domains, including Cloud Computing.As a key technical expert, you will engage with our technical team, product management, and R&D teams to align technology solutions with the strategic objectives of our organization.Your role will involve collaboration and communication with external partners, including clients, security vendors, ISPs, universities, and more. You will identify opportunities for technological collaboration and innovation to enhance our security posture.Additionally, you will participate in the assessment of key security and privacy issues, contributing to the formulation of security policies for our Public Cloud and IT products R&D.

At Docker, we revolutionize application development, empowering developers to concentrate on what truly matters. Our globally distributed, remote-first team is passionate about innovation and crafting exceptional developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker stands as the premier tool for building, sharing, and deploying applications, trusted by both startups and Fortune 100 companies. As we continue to expand rapidly, we invite you to embark on this exciting journey with us!Join Docker’s AI Tools & Security team, where we are laying the groundwork for the next generation of secure, developer-centric AI infrastructure. Our flagship product, the MCP Gateway, enables developers to connect, monitor, and secure AI agents and tools throughout their lifecycle—from prototype through to production. We are setting the standard for how developers can safely leverage the Model Context Protocol (MCP) in real-world applications.We are in search of a Principal Backend Engineer who excels at the crossroads of artificial intelligence, security, and developer experience. In this pivotal role, you will guide the technical strategy for the Gateway and its associated services, collaborating closely with Product, Design, and Security teams to craft intuitive frameworks and APIs that developers will love. Embrace a high-velocity, high-ownership environment where you will deliver swiftly, iterate frequently, and help shape the future of secure agent-based development.

At SpaceX, we envision a future where humanity is exploring the stars, and we are dedicated to developing the technologies necessary to make this dream a reality. Our ultimate goal is to enable human life on Mars.NETWORK ENGINEER - STARSHIELDStarshield utilizes SpaceX’s innovative Starlink technology and launch capabilities to bolster national security initiatives. While Starlink serves consumer and commercial markets, Starshield focuses on government applications, emphasizing earth observation, secure communications, and hosted payloads. Our team is committed to constructing highly reliable in-space mesh networks, developing secure systems to ensure access to space, and pioneering next-generation communication and sensing software.As a Network Engineer, you will be instrumental in the operation, construction, and deployment of the Starshield service provider network, which is vital for critical national security missions. You will collaborate with your team to design the network architecture and continuously propose and implement enhancements to expand capabilities and customer reach. Additionally, you will oversee network security, performance, reliability, and optimization of network deployments.

Join UiPath as a Principal Applied Scientist - AIAt UiPath, we are champions of automation, revolutionizing the way businesses operate through innovative enterprise software solutions. Our team's passion for curiosity, generosity, and authenticity drives us forward in this dynamic environment.Are you ready to make a significant impact?As a Principal Applied Scientist at UiPath, you will spearhead advancements in machine learning, laying the groundwork for groundbreaking product developments. This pivotal leadership role melds applied research, engineering, and strategic insight, allowing you to shape the trajectory of our cutting-edge ML projects.We are on the lookout for a scientist who has demonstrated success in leading influential research and implementing pioneering machine learning systems at scale. A deep curiosity about AI and ML, a commitment to innovation, and a passion for addressing real-world automation challenges are essential for this role.The ideal candidate should possess extensive experience in designing and executing sophisticated experiments, developing high-performance ML systems, and mentoring teams. We highly value collaboration, humility, technical excellence, and a proactive approach to problem-solving.Background:This position is within the UiPath advanced machine learning research group, focused on creating large multi-modal models that mimic human software interaction. Our goal is to expand the horizons of AI in the quest for effective general intelligence for enterprise automation.Your Responsibilities:Direct the design and implementation of state-of-the-art machine learning and deep learning systems for practical applications.Drive innovation in NLP, NLU, NLG, computer vision, and multi-modal learning to achieve significant advancements in software automation.Define and guide the strategy for scalable ML infrastructure and the transition from research to production.Design experiments, perform comprehensive benchmarking, and analyze large datasets to assess and enhance model performance.Collaborate extensively with engineering, product, and research teams to effectively integrate ML solutions into UiPath offerings.

Join our dynamic team as a Software Engineer specializing in Applied AI at HackerOne, where innovation meets security. You will play a crucial role in developing and implementing cutting-edge AI solutions that enhance our platform's capabilities, providing our clients with unparalleled security insights and protection. As part of our collaborative environment, you'll work closely with cross-functional teams to drive AI initiatives from concept to deployment, ensuring the highest standards of quality and performance.

At Databricks, our mission is to empower data teams to tackle some of the most pressing challenges of our time—ranging from revolutionizing transportation to fast-tracking medical advancements. We achieve this by developing and maintaining a cutting-edge data and AI infrastructure platform that enables our customers to harness deep data insights and enhance their business operations. About the Team: Become Part of Databricks' Core Infrastructure The Compute Infra Team is the powerhouse behind all Databricks products and Control Plane services. We design and scale the essential compute infrastructure that ensures the success of every Databricks customer, managing one of the largest and most dynamic data and AI clouds globally. Mission: Shape the Future of Cloud Compute Efficiency and Scalability As the Technical Lead for Compute Fleet Management, you'll play a pivotal role in setting benchmarks for how Databricks utilizes and optimizes compute resources across the three major cloud platforms: AWS, Azure, and GCP. This critical position directly influences our gross margin and customer satisfaction. Your responsibilities will encompass: Leading Fleet Optimization: Provisioning and pooling billions of cloud resources to achieve peak performance, unmatched efficiency, and solid resource isolation. Ensuring Hyper-Scale Resilience: Designing architecture that guarantees horizontal scalability and resilience against failures at both zonal and cloud account levels, ensuring Databricks remains operational at all times. Owning the Critical Path: Directing the development of low-dependency systems essential for bootstrapping and managing our extensive compute platform. Outcomes: The Impact You Will Create This position is ideal for an engineer who excels in taking ownership of the most complex and impactful challenges: High Availability: Achieving and maintaining 99.99% availability for all batch and serving workloads. Exceptional Efficiency: Driving utilization rates to 60% or higher—a vital metric that necessitates balancing high efficiency with a robust tolerance for cloud failures. Top-Tier Isolation: Architecting and enforcing stringent security and performance isolation across a wide array of customer workloads.

Join UiPath: Pioneers in AutomationAt UiPath, we harness the transformative potential of automation to redefine the way the world operates. Our commitment lies in developing industry-leading enterprise software that unleashes this potential.We seek individuals who are inquisitive, driven, collaborative, and authentic—those who thrive in a dynamic, rapidly evolving environment and are passionate about our mission.Are you one of them?As a Principal Applied Scientist, you will spearhead the design, research, and implementation of cutting-edge Machine Learning systems, seamlessly integrating deep research with large-scale deployment to shape the future of enterprise automation.Key Responsibilities• Develop and drive the technical vision for agent-based automation, focusing on how autonomous agents utilize LLMs, reinforcement learning, simulation environments, tool use, and multi-step reasoning to enhance the UiPath platform.• Design, prototype, and implement advanced ML and AI systems, including LLM fine-tuning, multimodal pipelines, computer-use modeling, agent orchestration frameworks, and decision-making systems.• Oversee the development and execution of ML infrastructure and services for model training, fine-tuning, large-scale inference, model serving, monitoring, drift detection, continuous learning loops, and ML operations for agentic systems.• Collaborate extensively with product, engineering, design, and go-to-market teams to translate innovative research into customer-facing solutions.• Investigate leading-edge techniques in prompting, retrieval-augmented generation, chain-of-thought, tool use, long-term memory, and RL or imitation learning for agent behavior, applying them to automation workflows.• Establish best practices, frameworks, and metrics for evaluating agentic systems, encompassing offline evaluation, simulation environments, human-in-the-loop feedback, A/B testing, and analyses of cost, latency, and quality.• Act as a technical leader and mentor across ML engineering, data science, and software engineering, promoting a culture of experimentation, reproducibility, version control, and thorough evaluation.• Represent UiPath in the broader community through publications, open-source contributions, conference participation, and collaboration with academic and ecosystem partners.

Join HackerOne as a Staff Software Engineer, Applied AI, and be at the forefront of innovative technology solutions that enhance security through artificial intelligence. In this role, you will lead projects that leverage cutting-edge AI techniques to address complex security challenges, driving the development of scalable and effective software solutions.

Join Aircall, a leading unicorn in AI-powered customer communication solutions, trusted by over 22,000 businesses globally to enhance revenue, accelerate issue resolution, and scale customer-facing teams. We are revolutionizing customer interactions by integrating voice, SMS, WhatsApp, and AI into a unified platform.Our growth is driven by a core principle: empower teams to work smarter, not harder. With innovations like our AI Voice Agent for automating routine calls, AI Assist for optimizing post-call tasks, and AI Assist Pro for providing real-time support, we enable teams to achieve higher revenue and faster resolutions confidently.Headquartered in Paris, with a strong North American hub in Seattle, Aircall also has teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We have developed a beloved product and a high-growth business, supported by top-tier investors and driven by rapid advancements in AI across various product lines.At Aircall, you'll be part of a dynamic and ambitious organization. We prioritize product excellence and execution, allowing for quick decision-making and significant impact.Our Work Culture: We are deeply customer-focused, data-informed, and committed to delivering valuable results. We value ownership, continuous learning, and thoughtful agility. If you excel in a collaborative, fast-paced environment where trust and impact are paramount, you're in the right place.We are seeking a Senior Software Engineer to develop intelligent systems that automate workflows across various internal departments at Aircall. This position merges advanced software engineering expertise with a passion for understanding and automating the workflows of stakeholders in Marketing, Sales, Customer Support, Customer Success, Finance, HR, Legal, Engineering, Product, and other functional areas utilizing AI agents. Ideal candidates should possess curiosity, an affinity for solving complex challenges, and practical experience deploying LLMs in production.

Experience Life at UiPathAt UiPath, we harness the transformative potential of automation to redefine the way the world operates. Our mission is to develop innovative enterprise software that empowers organizations to maximize this potential.We are seeking individuals who are not only curious and self-motivated but also generous and authentic. If you thrive in a dynamic, fast-paced environment and are passionate about making a difference—both for your colleagues and the broader mission of UiPath—this could be the perfect opportunity for you.Role OverviewBecome a pivotal part of our team as we embark on a journey to create UiPath's most ambitious product yet—an AI-driven orchestration platform, hailed as our Invention of the Year for two consecutive years. In the capacity of Senior Principal Software Engineer, you will play a key role in executing our Act 2 strategy, developing the core infrastructure that enables enterprises to seamlessly integrate AI agents, robotic processes, and human workflows to achieve essential business outcomes.Your ResponsibilitiesDevelop and Scale: Architect, create, and support backend services for products utilizing AI coding assistants to construct distributed systems.Hands-On Development: Produce high-quality production code on a daily basis, utilizing AI tools (such as Claude, GitHub Copilot) to optimize your development processes.Customer-Centric Engineering: Gain a profound understanding of the end-users of the features you design and the motivations behind their needs, translating these insights into sophisticated technical solutions.Ensure Reliability: Contribute to the development of highly scalable, dependable distributed systems that businesses rely on.On-Call Rotation: Engage in an on-call rotation (approximately one week every 2-3 months) to maintain system reliability.

Role Overview Axon is looking for a Senior Software Engineer I focused on Applied AI to help build solutions that improve public safety. This role works closely with engineers and data scientists to develop technologies that use artificial intelligence for law enforcement use cases.

Join Our Mission at TwentyAt Twenty, we are committed to tackling one of the most pressing challenges of our era: safeguarding democracies in the digital landscape. We create innovative technologies that merge the realms of cyber and electromagnetic domains, where the pace of operations surpasses human perception and complexity goes beyond traditional limits. Our team not only addresses problems but also delivers transformative outcomes that significantly enhance national security. We embody a spirit of pragmatic optimism, believing that while our mission to protect America and its allies is formidable, it is indeed achievable.Position OverviewAs an Applied AI Engineer, you will develop and implement language-model-driven systems that bolster Twenty's vital cyber capabilities for U.S. national security. You will manage the complete workflow—from curating specialized datasets and post-training models to deploying dependable inference and retrieval systems in live environments. Collaborating closely with product and engineering teams, you will convert real operational demands into high-performance AI features, operating seamlessly across cloud and on-premises environments where speed, accuracy, and security are paramount.Your ProfileYou are driven by tangible outcomes and aspire for your work to directly influence national security initiatives.You prioritize rigor: clean data, quantifiable evaluations, and reproducible experiments take precedence over mere demonstrations.You strike a balance between research curiosity and product intuition—you ship, analyze, iterate, and refine.You are adept at navigating both cloud and on-premises constraints and can adjust to various environments.You convey ideas clearly to both technical and non-ML stakeholders, and your documentation is user-friendly.You understand systems thinking: models, retrieval, infrastructure, and feedback loops must function cohesively.You excel in dynamic teams with high standards, open feedback, and a strong sense of ownership.Key ResponsibilitiesDevelop, clean, and sustain high-quality training and evaluation datasets tailored for specialized AI applications.Fine-tune language models (ranging from small specialized to medium foundation models) according to mission requirements.Apply post-training and alignment techniques to enhance task performance and reliability.Construct retrieval-augmented generation (RAG) systems that integrate model outputs with external knowledge.Enhance and optimize model serving infrastructure for production deployment.

Principal RUST Software EngineerJoin our dynamic team in Washington, DC as a Principal RUST Software Engineer, where you will play a pivotal role in advancing our mission-critical systems. This is a full-time, onsite position with a unique 9/80 work schedule that grants every other Friday off. Candidates must hold a Department of Defense (DoD) Secret Clearance.Compensation ranges from $200,000 to $250,000, complemented by bonuses and comprehensive benefits.OverviewWe are on the lookout for a Principal RUST Software Engineer to act as a principal technical leader in the strategic transformation of our systems. This role transcends traditional coding; it involves providing architectural guidance and spearheading organizational advancements. You will define the RUST engineering roadmap, ensure robust security measures, and mentor engineers at various levels within our C5 and Cyber Solution Centers. As a vital member of a Scrum team, you will help shape the future of secure, high-assurance software in the aerospace and defense industry.Key ResponsibilitiesRUST Strategic Leadership: Lead the development and implementation of a comprehensive strategy for the adoption and integration of RUST across multiple mission-critical product lines, aligning technical efforts with long-term business objectives.Architectural Guidance & Standards: Establish and uphold best practices, design patterns, and architectural standards for RUST, focusing on memory safety and efficiency, particularly in resource-constrained embedded systems.Technical Mentorship & Development: Act as the primary technical mentor and subject matter expert on RUST, enhancing the skill set of the engineering team through guidance and review.Legacy Modernization: Oversee the integration and conversion of legacy C/C++ software components into production-ready RUST solutions, with an emphasis on security and performance.High-Assurance Software Development: Utilize your expertise in computer science and engineering to create maintainable software primarily in RUST, C/C++, and Python for embedded real-time operating systems.Advanced Troubleshooting: Identify, diagnose, and resolve complex technical issues such as race conditions and memory problems at the system level.