Manager of Security Defense Engineering

Join DigitalOcean as a Manager of Security Defense Engineering, where you will lead our exceptional team in developing robust security solutions to protect our infrastructure and customers. Your expertise will guide our defense engineering strategy, ensuring that our systems remain secure against evolving threats.In this role, you will design and implement s…

Senior Mechanical Engineer – Drone Defense Turret SystemsCompany Overview:Allen Control Systems (ACS) is an innovative defense technology startup launched by two former Navy electrical engineers with a distinguished history in robotics and software development. We are pioneering a compact, autonomous gun turret that utilizes cutting-edge computer vision and control systems to accurately identify and neutralize small drones and loitering munitions. Our groundbreaking work involves tackling significant technical challenges, creating an exhilarating and fast-paced environment for skilled engineers.At ACS, we foster an engineering-first culture that prioritizes technical excellence and innovation. Our founders' successful exits from two previous ventures, totaling $180 million in 2022, empower us to ensure that the groundbreaking technologies we create will make a substantial impact in the real world.Position Overview:We are seeking a seasoned Mechanical Engineer with extensive experience in mechanical simulations and electromechanical integration. The ideal candidate will possess a strong background in designing for durability, reliability, and robustness in accordance with MIL-STD-810 standards. You will be instrumental in guaranteeing that our products adhere to rigorous environmental, vibration, and shock requirements while effectively integrating complex electromechanical components into our systems.What You Will Do:Design and develop mechanical systems that comply with MIL-STD-810 specifications, ensuring robustness under various conditions such as vibration, shock, and thermal environments.Conduct mechanical simulations (FEA, modal, vibration, thermal) to evaluate the durability and reliability of designs under operational stress.Collaborate closely with electrical and systems engineers to integrate electromechanical components, guaranteeing seamless interaction between mechanical structures and electrical systems.Lead structural integrity testing and analysis to confirm that designs meet environmental test criteria for military-grade systems.Develop and document mechanical design specifications, including detailed drawings, simulation reports, and testing protocols.Engage in testing and validation activities to ensure that mechanical designs meet the necessary performance and safety standards.Support prototype development and work collaboratively with manufacturing teams to ensure designs are effectively transitioned into production.

safelease is seeking a Security Engineer based in Austin, TX, with a hybrid work arrangement. This role centers on protecting the company’s digital infrastructure and ensuring the safety of systems and data. Role overview The Security Engineer will work closely with teams across the organization. The focus is on designing, implementing, and maintaining security protocols to defend against potential threats. Collaboration Expect to partner with colleagues from different departments to strengthen overall security measures and support ongoing improvements. Location This position is hybrid, requiring some presence in the Austin office.

At Xometry (NASDAQ: XMTR), we are revolutionizing the manufacturing industry by connecting innovators with the manufacturers that can translate their visions into tangible products. Our digital marketplace equips manufacturers with essential resources to expand their operations while enabling Fortune 1000 companies to access global manufacturing capabilities easily.We are on the lookout for a passionate and seasoned engineer to fill the pivotal role of Senior Solutions Engineer. This position is integral to our Sales team, where you will provide insights, gather feedback, and share your expertise gained from engaging directly with the aerospace and defense engineering and manufacturing sectors. This role uniquely combines customer interaction, technical acumen, and project management, reporting into our Pre-Sales Engineering team, which is jointly led by Sales and Operations.This is your chance to become a part of a vibrant and expanding company that is leading the charge in digital manufacturing. If you are a dedicated, accomplished engineer with a strong digital skill set and a genuine passion for the aerospace industry, we encourage you to apply!

Xometry (NASDAQ: XMTR) is at the forefront of innovation, bridging the gap between visionary thinkers and the manufacturers capable of turning their ideas into reality. Our digital marketplace equips manufacturers with essential resources for growth, while enabling Fortune 1000 companies to seamlessly access global manufacturing capabilities.We are on the lookout for a highly skilled and engaging engineer to take on the pivotal role of Senior Solutions Engineer. This position is integral to our Sales team, providing valuable insights and feedback drawn from the aerospace and defense engineering and manufacturing sectors. This role merges customer interaction, technical knowledge, and project management, reporting directly into our Pre-Sales Engineering community, which is co-led by Sales and Operations.Join us at Xometry, a rapidly expanding company leading the charge in digital manufacturing. If you are a successful, experienced, team-oriented engineer with a passion for the aerospace industry and digital proficiency, we want to hear from you!

Teamwork makes the stream work. Roku is transforming the way the world experiences television.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to empower every television worldwide. We pioneered the streaming revolution, connecting viewers with the content they adore while enabling content creators to build and monetize vast audiences. Advertisers benefit from our unique capabilities to engage their target consumers.From day one at Roku, your contributions will be meaningful and valued. In our rapidly growing public company, there are no bystanders. This is your opportunity to bring joy to millions of TV streamers globally while gaining invaluable experience across multiple disciplines. About the Team The Roku Trust Engineering team is a tight-knit group dedicated to information security. Our mission is to safeguard our customers, partners, devices, services, infrastructure, and data. We collaborate closely, sharing insights and expertise to remain at the forefront of security. Join us, and you’ll be part of a vibrant team that thrives on challenges and celebrates successes together. About the Role As a Security Engineer within the Trust Engineering team, you will play a crucial role in designing, implementing, and managing Roku’s comprehensive security systems and controls that impact a global user base. Your key responsibilities will involve supporting the development of security protocols, managing and maintaining SIEM/SOAR tools and threat intelligence platforms, conducting technical incident responses, performing vulnerability and risk assessments, and mentoring junior analysts. You will collaborate with teams across Trust Engineering and the broader organization to promote, develop, and influence robust security practices and postures.

NODA AI, a veteran-owned and venture-backed technology company in Austin, develops advanced solutions for autonomous orchestration of unmanned systems across air, sea, land, and space. The team serves defense, intelligence, and commercial clients by focusing on innovation, rapid prototyping, and practical autonomy for mission-critical operations. This Capture Manager - Defense & Government role is based in Austin, TX, with a hybrid work setup that offers flexibility for remote work. Role overview The Capture Manager leads government opportunity pursuits from initial pipeline building through to proposal delivery. Working closely with the founding team and Head of Growth, this position will help establish a structured capture function from the ground up. The role covers both managing current leads and helping define which government and defense opportunities NODA AI will pursue. Early engagement with government stakeholders, shaping requirements before RFPs, and developing strategies to strengthen NODA’s position are all central to this job. Success in this position requires comfort with ambiguity, a strong understanding of government procurement processes before formal solicitations, and a belief in the value of early positioning for contract wins. Key responsibilities Pipeline development and opportunity qualification Build and manage an opportunity pipeline focused on Department of Defense, Intelligence Community, and federal customers, ensuring alignment with NODA AI’s autonomous technology. Engage with program offices, contracting officers, and end-users to shape opportunities ahead of RFP releases, influence requirements, and establish NODA’s presence. Make disciplined go/no-go decisions by evaluating opportunities against NODA’s technical strengths, the competitive landscape, and available resources. Capture strategy and execution Develop and lead capture strategies for key pursuits, including competitive analysis, teaming approaches, price-to-win considerations, and clear solution differentiation. Security requirements Must be a U.S. Citizen Must be able to obtain a security clearance

Senior Staff Mechanical Engineer – Drone Defense SystemsCompany Overview:Allen Control Systems (ACS) is an innovative defense startup founded by two former Navy electrical engineers with extensive backgrounds in robotics and software development. We are at the forefront of creating a compact, autonomous gun turret designed to utilize advanced computer vision and control systems for precise targeting and neutralization of small drones and loitering munitions. Our pioneering approach presents significant technical challenges, fostering an exciting and dynamic environment for skilled engineers.At ACS, we prioritize an engineering-driven culture that embraces technical excellence and innovation. With our founders’ successful exits from two previous ventures totaling $180M in 2022, we are dedicated to developing groundbreaking technologies that make a tangible impact in the real world.Position Overview:We seek a highly skilled Mechanical Designer with substantial expertise in mechanical simulations and electromechanical integration. The ideal candidate will excel in designing robust, reliable systems compliant with MIL-STD-810 standards. You will be instrumental in ensuring our products withstand stringent environmental, vibration, and shock criteria while effectively integrating complex electromechanical components.Key Responsibilities:Design and develop mechanical systems to MIL-STD-810 specifications, guaranteeing robustness under vibration, shock, thermal, and environmental conditions.Conduct mechanical simulations (FEA, modal, vibration, thermal) to evaluate design durability and reliability under operational stress.Collaborate with electrical and systems engineers to integrate electromechanical components, ensuring seamless interaction between mechanical structures and electrical systems.Lead structural integrity testing and analysis, confirming designs meet military-grade environmental test criteria.Produce and document mechanical design specifications, including detailed drawings, simulation reports, and testing protocols.Execute testing and validation to ensure mechanical designs meet requisite performance and safety standards.Support prototype development and collaborate closely with manufacturing teams to ensure successful design implementation.

At Reltio®, we are dedicated to transforming data into a powerful driver of business success. Our cutting-edge, AI-driven data unification and management solutions—including entity resolution, multi-domain master data management (MDM), and innovative data products—enable organizations to break free from data silos. The Reltio Data Cloud™ provides timely and interoperable data, empowering data and analytics leaders to respond to business needs with unmatched agility. Renowned enterprises across diverse industries worldwide depend on our award-winning data unification and cloud-native MDM capabilities to enhance efficiency, mitigate risks, and accelerate growth.Our core values define our approach at Reltio. With a steadfast commitment to putting our customers first, we work tirelessly to ensure their success. We celebrate our differences as we believe we are better together as one unified team. We strive to simplify processes and share our expertise, collaborating effectively to eliminate challenges. Accountability and excellence are paramount to us as we take ownership of our actions. We are committed to continual innovation, ensuring that each day is better than the last. If you resonate with these values, we welcome you to join Reltio and contribute to our mission of excellence.Reltio has received numerous accolades for our technology, culture, and workforce. Founded on the principles of a distributed workforce, we offer flexible work options to support the balance of personal and professional lives. If you are eager to work with unparalleled technology and be part of a collaborative team focused on enabling digital transformation through connected data, let’s connect!

Role Overview Orca Security is hiring a Sales Engineer focused on Application Security and Cloud Security in Austin, Texas. This position works closely with the sales team to showcase how Orca’s security solutions address real-world risks for both prospects and existing customers. What You Will Do Partner with sales to present and explain Orca Security’s products to organizations evaluating cloud and application security tools. Listen to client needs, then tailor demonstrations and recommendations to their specific security challenges. Help customers understand how Orca’s platform can strengthen their security posture and support their goals. Impact Expertise in application and cloud security will be central to helping clients achieve their security objectives and get the most value from Orca’s solutions.

At Saronic Technologies, we are pioneering advancements in maritime autonomy, committed to designing cutting-edge solutions that optimize operations on the seas through innovative autonomous platforms.As a pivotal part of our commitment to security, we are in search of a seasoned Senior Security Engineer to take charge of the product security and authorization lifecycle for our autonomous surface vessel programs. You will play a critical role as the lead security engineer for multiple vessel initiatives, overseeing the security posture from conceptual design through production, authorization, and operational deployment. This role demands hands-on security engineering expertise—focusing on implementation rather than governance, risk, and compliance (GRC) or project management.Given the evolving landscape of compliance frameworks for autonomous vessels, you will define and implement security architectures that comply with emerging standards. You will be responsible for identifying relevant frameworks, architecting vessel security to meet these standards, and ensuring successful authorization processes are completed. In areas where standards are not yet established, you will have the opportunity to create them.

ICON is seeking a talented Mechanical Engineer to join our Strategic R&D team in advancing cutting-edge defense technologies. As a Mechanical Engineer specializing in 3-D printed robotics, you will play a vital role in the conceptualization and detailed design of electro-mechanical systems tailored for military applications. Your contributions will include conducting trade studies, engaging in ideation sessions grounded in systems engineering principles, and ensuring the successful delivery of your designs to our end customers. This full-time position is based onsite at ICON’s state-of-the-art laboratories in Austin, TX, under the guidance of the Senior Director of Defense R&D Programs.RESPONSIBILITIES:Assist in developing robotic platforms for terrestrial construction, emphasizing motion platforms and dynamic fluid systems.Design and prototype new solutions leveraging both in-house and external fabrication resources.Specify and integrate robotic servo-driven actuators using industry standards for mechanical applications.Provide hands-on troubleshooting and support in a rapid AGILE development environment.Create design solutions adhering to rigorous engineering methodologies with thorough documentation.Collaborate with a multidisciplinary team to procure, fabricate, test, and deploy hardware.Support and take guidance from the Lead Mechanical Engineer and senior engineering staff.Perform diverse tasks daily to meet project milestones.Establish individual and team objectives aligned with the company's overall OKRs.

Join Samsara as a Senior Security Engineer I in our Enterprise Security team. In this pivotal role, you will be responsible for safeguarding our systems and data while ensuring compliance with industry standards. You will work alongside a team of experts to enhance our security posture, develop and implement security policies, and respond to security incidents.

About UsBased in the vibrant heart of New York City, Take-Two Interactive Software, Inc. stands as a premier innovator in the development, publishing, and marketing of interactive entertainment for consumers worldwide. Our portfolio includes industry giants like Rockstar Games, 2K, and Zynga, delivering exceptional gaming experiences across console, PC, and mobile platforms through various channels, including retail, digital downloads, and cloud streaming. Our stock is publicly traded on NASDAQ under the symbol TTWO.At Take-Two, we foster a friendly and inclusive atmosphere, promoting creativity, innovation, and efficiency, alongside opportunities for individual and team growth. Our dynamic industry offers countless chances to learn and enhance your skills in a fast-paced environment. While we are dedicated to our work, we also believe in enjoying what we do, making it an excellent place to pursue your passions.Your RoleAs a Cloud Security Engineer, you will play a crucial role in ensuring the security and integrity of our AAA game content development across various divisions. You will analyze and implement robust Cloud Security Systems throughout the Take-Two technology stack. Collaborate with IT Infrastructure, Security Engineering, and Operations teams to automate the discovery and inventory of cloud assets, ensuring optimal visibility and continuous updates to our asset registry. Work closely with Architecture to explore and implement new solutions that enhance our Cloud Security and Security Operations Center (SOC) applications while developing new tools to meet business needs. You will review cloud security change requests both internally and across our domain subsidiaries to ensure secure connectivity with customer clouds, and regularly engage with Security colleagues in label teams to prioritize and address their security needs.

Staff Mechanical Design Engineer – Drone Defense Turret SystemsCompany Overview:Allen Control Systems (ACS) is a pioneering defense startup founded by two former Navy electrical engineers with extensive experience in robotics and software development. We are at the forefront of creating a compact, autonomous gun turret that utilizes cutting-edge computer vision and control systems to accurately target and neutralize small drones and loitering munitions. Our innovative approach presents significant technical challenges, making this an exhilarating environment for seasoned engineers.Emphasizing an engineering-first culture, ACS champions technical excellence and innovation. Following our founders' successful exits from two prior ventures, which were acquired for a staggering $180M in 2022, we are dedicated to ensuring that the groundbreaking technologies we develop make a tangible impact in the real world.Position Overview:We seek a highly skilled Mechanical Designer with extensive expertise in mechanical simulations and electromechanical integration. The ideal candidate will have a proven track record in designing for durability, reliability, and robustness in accordance with MIL-STD-810 standards. You will be instrumental in ensuring our products comply with rigorous environmental, vibration, and shock requirements while effectively integrating complex electromechanical components into our systems.What You'll Do:Design and develop mechanical systems adhering to MIL-STD-810 specifications, ensuring resilience under vibration, shock, thermal, and environmental conditions.Conduct mechanical simulations (FEA, modal, vibration, thermal) to evaluate the durability and reliability of designs under operational stress.Collaborate with electrical and systems engineers to integrate electromechanical components, ensuring a seamless interaction between mechanical structures and electrical systems.Lead structural integrity testing and analysis, confirming that designs meet environmental test criteria for military-grade systems.Develop and document mechanical design specifications, including detailed drawings, simulation reports, and testing protocols.Perform testing and validation to ensure mechanical designs meet the required performance and safety standards.Support prototype development and collaborate closely with manufacturing teams to ensure designs are effectively realized.

Saronic Technologies is at the forefront of transforming maritime autonomy, committed to crafting cutting-edge solutions that enhance seafaring operations through innovative autonomous platforms.As a pivotal force within our security team, we invite applications for a Senior Security Engineer, specializing in software and systems security. This role holds the responsibility of safeguarding Saronic's software platforms, ensuring the integrity of our systems and deployment infrastructure from development to production. Our technology stack includes NixOS and Rust, and we require a candidate with a deep understanding of securing software throughout its entire lifecycle—from reproducible builds and dependency management to CI/CD pipeline security, runtime hardening, and safe deployment in both vessel and cloud environments. In this capacity, you will serve as the technical authority on the secure building, shipping, and operation of our software.Key Responsibilities:Oversee the application security framework for Saronic's software platforms, encompassing Rust-based services, system software, and related applications.Lead initiatives for secure code reviews, including SAST, DAST, and fuzz testing, while establishing secure coding standards for Rust development, focusing on memory safety, safe FFI boundaries, and robust error handling.Perform threat modeling for software systems and convert findings into actionable security requirements integrated with design reviews and sprint planning.Manage vulnerabilities in software dependencies, including tracking, prioritization, and remediation of risks in third-party crates and libraries.Secure and strengthen NixOS configurations for vessel platforms and development infrastructure, utilizing Nix's reproducibility and declarative model for security enforcement.Create system hardening profiles in NixOS, incorporating kernel hardening, service isolation, mandatory access controls, and configurations that minimize the attack surface.Establish and enforce package management and dependency policies within the Nix ecosystem, ensuring auditable, reproducible build closures free from unauthorized or vulnerable packages.Design secure system update and rollback mechanisms leveraging NixOS capabilities, ensuring fleet-wide consistency and integrity.Implement security controls throughout the CI/CD pipeline, focusing on source integrity, build isolation, artifact signing, and deployment verification with ephemeral, isolated, and hardened build environments.

At SpyCloud, our mission is to create a safer internet by disrupting the criminal underground. Our innovative solutions prevent cyberattacks and safeguard over 4 billion accounts globally. As a leader in the dynamic field of cybersecurity, we invite you to join us in the fight against cybercrime and contribute to a meaningful cause!The ideal candidate will have a robust background in developing internal security tools and data processing pipelines utilizing public cloud infrastructure, with a strong focus on leveraging AI technologies. This role is part of SpyCloud Labs, our specialized Security Research team, dedicated to creating automation and internal tools for the collection of recaptured third-party breach and malware data. This is a full-time remote position that supports a hybrid workforce.

Role Overview Roku, Inc. is hiring a Security Software Engineer in Austin, Texas. This position focuses on designing and building secure software solutions to safeguard both users and the Roku platform. What You Will Do Create and implement software with security as a core requirement Work with teams across engineering, product, and operations to strengthen security protocols Help shape and improve the security architecture for Roku’s streaming products

Saronic Technologies is at the forefront of transforming maritime operations with innovative autonomous solutions. Our commitment to advancing autonomy at sea drives us to develop intelligent platforms that significantly enhance efficiency and safety in maritime environments.As a Security Engineer specializing in Cloud Security, you will play a pivotal role in shaping our security framework. We are looking for a seasoned professional who will take charge of the design, implementation, and ongoing enhancement of robust security measures within our cloud infrastructure. Your expertise will empower every team at Saronic to progress swiftly and deploy confidently, with security integrated seamlessly from the outset. You will serve as the primary technical authority on the architecture, governance, and defense of our AWS environments, including both commercial and GovCloud platforms.

Saronic Technologies is at the forefront of transforming maritime autonomy, committed to crafting innovative solutions that elevate maritime operations through advanced autonomous and intelligent platforms.In the realm of security, Saronic acts as a critical force multiplier. We are on the lookout for a seasoned Security Engineer, specializing in hardware, embedded systems, and firmware security, to take charge of the security posture of our vessel hardware platforms, spanning from silicon to system level. In this role, you will serve as the technical authority on hardware root of trust, secure boot processes, firmware integrity, embedded system hardening, and securing third-party hardware integrations. Your efforts will ensure that each component on our vessels remains resilient against tampering, exploitation, and supply chain weaknesses, designed in from the ground up and maintained throughout the fleet's lifecycle.