Software Engineer, Security Infrastructure

Siftstack seeks a Software Engineer specializing in Security Infrastructure to join the team in Marina Del Rey, CA. The main focus is on strengthening security systems and developing software that protects core infrastructure. Key responsibilities Maintain and improve security protocols throughout company systems Design and build software solutions that addr…

Join Siftstack as a Software Engineering Manager specializing in data solutions. In this pivotal role, you will lead a talented team of engineers, driving innovation and excellence in software development. You will be responsible for overseeing the design, implementation, and maintenance of software systems that handle vast amounts of data, ensuring high performance and reliability. Your leadership will foster a collaborative environment, enabling your team to thrive and pushing the boundaries of what is possible in the field of data engineering.

At Siftstack, we are revolutionizing the construction, testing, and operation of modern machines. Our innovative platform provides engineers with real-time observability over high-frequency telemetry, effectively removing bottlenecks and accelerating the development process.Founded by a team with experience from SpaceX, Google, and Palantir, Siftstack was inspired by our work on Dragon, Falcon, Starlink, and Starship. Our mission-critical systems are designed where precision and scalability are essential.About the RoleAs an Application Software Engineer, you will play a vital role in connecting Siftstack’s advanced telemetry platform with the intricate engineering challenges faced by our clients. You will collaborate closely with customer teams to tailor Siftstack’s offerings to their requirements, develop bespoke solutions, and cultivate meaningful partnerships. Your work with product and engineering teams will transform customer feedback into actionable insights, ensuring our platform continues to evolve and meet the demands of the industry.We seek an engineer who thrives in fast-paced, customer-focused environments and has a passion for sectors such as aerospace, autonomous systems, and renewable energy. This is a unique chance to join an early-stage startup and significantly influence the success of next-generation machines. You will report to the team lead and be instrumental in delivering value to our customers.In This Role, You’llCollaborate with customers to identify their technical challenges and adapt Siftstack’s platform to fulfill their specific needs.Create custom solutions and integrations utilizing Siftstack APIs to address customer issues.Convert customer requirements into actionable recommendations for product and engineering teams.Establish and maintain integrations with popular engineering tools to improve customer workflows.Prepare training materials and support technical onboarding sessions for customer teams.Build strong, trust-based relationships with customers, acting as their technical partner and advocate.The Skillset You’ll BringA minimum of 2 years of experience in software engineering or data engineering.Proficiency in Python and a working knowledge of REST APIs.Foundational understanding of data analysis and visualization techniques.Exceptional problem-solving abilities with a strong attention to detail.

Gavin de Becker & Associates (GDBA) is dedicated to safeguarding the world’s most prominent and vulnerable public figures. Established in 1978 by Gavin de Becker, a three-time Presidential appointee, our team of Protectors, Analysts, and Investigators are driven by the mission to protect human life through thorough assessment, prediction, and effective management of potential violence.Our Mission: Ensuring the Safety, Privacy, and Wellbeing of Our ClientsAs a newly appointed Protector in Los Angeles, you can expect a base salary of at least $81,000 in your first year with GDBA. Depending on your previous relevant experience, performance at the GDBA Training Academy, and opportunities for promotion, Los Angeles-based Protectors can earn up to $100,000 in their initial year.Your Role as a Protector:Monitor properties using advanced tools and technology from the GDBA Command Center.Screen visitors and vendors; manage all access to the secured site.Develop and implement security plans while responding to medical emergencies.Provide physical protection and logistical support at clients' residences and during travel.Ensure safe transportation when required.Conduct thorough site assessments in advance of client arrivals.Document and report any suspicious activities in detail.Maintain readiness to address any potential threats.Who You Are: While military, law enforcement, or executive protection/security experience is valued, it is not a prerequisite for becoming a GDBA Protector. We prioritize who you are over your past roles. Our most successful Protectors hail from diverse backgrounds and have thrived due to their unique experiences.

At Siftstack, we are revolutionizing the way modern machines are constructed, tested, and managed. Our innovative platform provides engineers with real-time visibility over high-frequency telemetry, effectively removing bottlenecks and enabling rapid, reliable development.Founded by a team of experts from SpaceX, Google, and Palantir, Siftstack is the product of our experiences with the Dragon, Falcon, Starlink, and Starship missions at SpaceX, where scaling telemetry and debugging flight systems were crucial for mission reliability. We are committed to delivering mission-critical systems where precision and scalability are essential.About the RoleAs a Forward Deployed Engineer, you will play a pivotal role in bridging the gap between our state-of-the-art telemetry platform and the complex engineering challenges faced by our customers. You will collaborate directly with customer teams to tailor Siftstack’s solutions to their unique needs, create custom integrations, and cultivate strong partnerships. Additionally, you will work closely with product and engineering teams to transform customer requirements into actionable insights, ensuring our platform adapts to real-world demands.We seek an engineer who thrives in dynamic, customer-facing environments and has a passion for sectors such as aerospace, autonomous systems, and renewable energy. This is a unique chance to join an early-stage startup and significantly influence the success of next-generation machines. You will report to our Forward Deployed Engineering Lead and be instrumental in delivering value to our customers.In This Role, You’llCollaborate with customers to identify their technical challenges and customize Siftstack’s platform accordingly.Develop bespoke solutions and integrations using Siftstack APIs to address customer concerns.Translate customer needs into actionable feedback for product and engineering teams.Create and maintain integrations with prevalent engineering tools to streamline customer workflows.Prepare training materials and support technical onboarding sessions for customer teams.Forge robust, trust-based relationships with customers, serving as a technical partner and advocate.The Skillset You’ll BringAt least 2 years of experience in software engineering or data engineering.Strong proficiency in Python and familiarity with REST APIs.Fundamental understanding of data analysis and visualization techniques.Exceptional problem-solving abilities and a collaborative mindset.

At SIFT, we are pioneering the future of machine development, testing, and operation. Our innovative platform equips engineers with real-time observability over high-frequency telemetry, effectively removing bottlenecks and facilitating quicker, more dependable development processes.SIFT originated from our groundbreaking work at SpaceX on missions involving the Dragon, Falcon, Starlink, and Starship rockets—where the need for scalable telemetry, efficient debugging of flight systems, and assurance of mission reliability necessitated the creation of advanced infrastructure. Founded by a team of experts from SpaceX, Google, and Palantir, SIFT specializes in mission-critical systems where precision and scalability are imperative.As an early engineer at SIFT, you will not only write code but also play a vital role in shaping the architecture, influencing product development, and cultivating a culture focused on tackling genuine engineering challenges. If you seek complex technical challenges and wish to construct foundational systems that support sophisticated machines, we encourage you to connect with us.In This Role, You'll:Design and optimize data pipelines that operate fully in the browser, utilizing Web Workers for processing Apache Arrow binary data, persistent caching in the Origin Private File System, and multi-layer invalidation strategies to maintain UI responsiveness when handling extensive datasets.Develop interactive visualizations for time-series telemetry, FFT frequency analysis, geographic mapping, and scatter plots, each with unique performance profiles and accuracy requirements. Rendering inaccuracies are critical issues when users are debugging flight hardware.Address performance challenges that existing frameworks cannot resolve, such as circumventing React's render cycle for 60fps interactions, coordinating worker thread pools, managing memory for large binary buffers, and making architectural decisions regarding the main thread versus worker threads.Create composable UI systems for technical users demanding full data fidelity—not just simplified dashboards, but tools that reveal the intricate complexities of hardware telemetry with zeptosecond-level timestamp precision. Collaborate with backend engineers on API design, binary serialization formats, and query semantics for structured data endpoints.The Skillset You'll Bring:7+ years of experience in web software development, with significant expertise in pushing browsers beyond their limits in areas such as performance optimization, binary data processing, GPU rendering, and multi-threaded architectures.

Join Siftstack as a Go-To-Market Engineer, where you will be at the forefront of product deployment and market strategy. This role is ideal for individuals passionate about technology and eager to contribute to innovative solutions that enhance customer experiences. You will work closely with cross-functional teams to ensure successful product launches and market penetration.

About Us:Zefr stands as the global frontrunner in brand suitability targeting and measurement, operating across the largest platforms worldwide. Our innovative technology empowers advertisers to control their content adjacencies, aligning with their unique brand safety and suitability preferences. As an official partner of the YouTube Measurement Program, Meta for Business, and TikTok for Business, we utilize our patented machine learning and AI technology (Cognition AI) to deliver precise and transparent brand safety solutions. Headquartered in Los Angeles, California, Zefr has a global presence to better serve our clients.Your Role:We are seeking a Lead Machine Learning Operations Engineer to spearhead our MLOps team, driving the infrastructure, tooling, and processes that facilitate the operation of our machine learning systems at scale. You will be responsible for deploying, monitoring, and optimizing ML models that analyze vast amounts of data from platforms like TikTok, YouTube, Facebook, Instagram, and Snap. In this pivotal role, you will lead a team of engineers to construct and sustain robust ML pipelines, ensure model reliability in production, and implement best practices for model lifecycle management. Your collaboration with ML Engineers and Data Scientists will bridge the gap between research and production, fostering a culture of excellence and scalability in ML infrastructure.Key Responsibilities:Lead, mentor, and develop a talented team of Machine Learning Engineers, promoting innovation and continuous improvement.Design and implement scalable ML infrastructure for model training, deployment, and serving.Establish and enforce best practices for ML model lifecycle management, including versioning, testing, and monitoring.Develop and maintain CI/CD pipelines tailored for machine learning workflows.Optimize model inference performance while minimizing latency and cost across production systems.Collaborate with ML Engineers and Data Scientists for efficient model production.Implement comprehensive monitoring, alerting, and observability solutions for ML systems.Drive technical decisions regarding MLOps tooling, infrastructure, and architecture.Ensure high availability and reliability of ML services at scale.

We are seeking a dedicated and experienced Chief Building Engineer to join our team at Actionlife. In this crucial role, you will oversee the maintenance and operations of our facilities, ensuring they are safe, efficient, and meet the highest standards of quality. You will collaborate with various teams to implement innovative solutions and manage building systems effectively.

About SiftstackSiftstack is a cutting-edge data visualization and infrastructure platform that empowers top engineers to construct tomorrow's hardware by providing clarity on complex telemetry data from their systems. Our clientele includes engineers at the forefront of aerospace, robotics, transportation, and advanced defense hardware, who are pioneering unprecedented innovations. Siftstack equips them with the insights needed to accelerate their progress.In the engineering domain, an abundance of data does not equate to faster progress. The right tools are essential for interpreting this data, enabling it to translate into actionable outcomes. This is the essence of our mission.Few career opportunities demand your utmost excellence and, when successfully navigated, can significantly influence our advancement in science and technology. This role represents one of those unique opportunities.About the RoleWe are in search of a Senior/Staff Product Designer to join Siftstack's Design team and take charge of the fundamental user experiences within our platform. You will conduct user research, design interactions, and create workflows through interactive prototypes that engineers depend on daily to oversee intricate telemetry from advanced hardware systems.This is a hands-on role that demands craftsmanship and creativity. You will collaborate closely with Product Management and Engineering, from defining problems to delivering shipped products, utilizing our design system as a foundation while enhancing it further. You are a systems thinker who pays attention to details and is genuinely excited about the potential of hybrid AI design workflows. We seek designers who are intrinsically curious and willing to engage with users in their environments. If this resonates with you, we would love to connect.Key ResponsibilitiesLead user research efforts, including on-site customer visits, to cultivate a deep understanding of the workflows and needs of advanced hardware engineers.Design essential interactions and workflows across Siftstack’s platform.Collaborate closely with Product Management and Engineering throughout the product development lifecycle, from problem definition to final feature delivery.Utilize and enhance our Figma-based design system to create new components and patterns that address real customer challenges and elevate engineering efficiency.Adopt hybrid AI design workflows to rapidly explore directions, iterate swiftly, and produce high-quality work at a startup pace.What You BringA strong portfolio showcasing past work and a deep understanding of product design principles.Proficiency in design tools, particularly Figma.Experience working collaboratively within cross-functional teams.Excellent communication skills, with an ability to articulate design concepts effectively.A willingness to engage in hands-on user research and testing.

About Siftstack Siftstack builds infrastructure for engineering teams working with complex machines. The platform delivers real-time observability for high-frequency telemetry, helping engineers troubleshoot systems, catch failures early, and maintain reliability in demanding settings. The company was founded by engineers who previously worked at SpaceX, Google, and Palantir. Their experience developing programs like Dragon, Falcon, Starlink, and Starship shaped Siftstack’s approach to scalable telemetry and mission-critical reliability. Siftstack serves customers in aerospace, defense, robotics, energy, and industrial technology, industries where precision and uptime are non-negotiable.

About SiftSift is revolutionizing the infrastructure that engineering teams depend on to design, test, and manage complex machines. Our cutting-edge platform offers real-time observability for high-frequency telemetry, empowering engineers to swiftly debug intricate systems, pinpoint failures earlier, and operate securely in environments where reliability is paramount.Born from innovative projects at SpaceX, including Dragon, Falcon, Starlink, and Starship, Sift's technology arose from the necessity to scale telemetry and ensure mission reliability through a new infrastructure. Founded by a team of engineers with backgrounds at SpaceX, Google, and Palantir, Sift caters to organizations pushing the boundaries of technological capability.We collaborate with leaders in aerospace, defense, robotics, energy, and industrial technology, providing support for systems where precision, speed, and reliability are critical to success.The RoleAs a Technical Account Executive at Sift, you will manage intricate, technical sales cycles with engineering teams developing some of the world's most advanced systems. You will collaborate with Solutions Engineering, Product, and leadership to identify opportunities, facilitate technical evaluations, and secure deals that yield significant engineering benefits.This role is ideal for individuals eager to sell a highly technical product, engage directly with engineers, and influence the go-to-market strategy of an early-stage, high-growth company.ResponsibilitiesDrive New Customer AcquisitionIdentify and cultivate new opportunities with engineering-focused organizations throughout the United States.Prospect target accounts and build relationships with both technical and executive stakeholders.Formulate account strategies and manage a pipeline of qualified opportunities.Run Technical Sales CyclesLead discovery conversations to understand system architecture, telemetry workflows, and engineering challenges.Collaborate with Solutions Engineering and Product to steer technical evaluations and pilot programs.Establish success criteria and guide evaluations towards defined technical and business outcomes.Close High-Value DealsManage opportunities from initial engagement through to contract signing.Align technical validation with business decision-making processes.Navigate procurement processes to secure agreements.