Mechanical Engineer II - Defense Research & Development Programs

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 security protocols, lead incident investigations, and collaborate with cross-functional teams to enhance our security posture. You will also mentor and grow a team of talented engineers dedicated to maintaining the highest standards in security.

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.

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.

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

About Ping Identity:At Ping Identity, we are dedicated to providing secure and seamless digital experiences for users, fostering a concept we call digital freedom. This ethos not only extends to our customers but also permeates our company culture. Join us to cultivate a workplace that values digital freedom.Our advanced cloud identity platform empowers individuals to shop, work, bank, and engage in various activities effortlessly and securely.While safeguarding digital identities is central to our technology, we also prioritize the protection of individual identities within our culture. We champion every identity. Our core value, Respect Individuality, encourages us to embrace our differences, allowing everyone to bring their authentic selves to work.Headquartered in Denver, Colorado, with a global presence, we cater to the needs of the largest and most demanding enterprises, including over half of the Fortune 100. At Ping Identity, we are reshaping perceptions around cybersecurity, digital experiences, and identity management.Job Summary:As a Product Security Engineer focusing on our Federal accounts, you will gain crucial experience within an innovative identity security firm. This role demands a strong passion for application security, a knack for addressing both technical and organizational challenges, and the ability to thrive in a dynamic, Infrastructure-as-Code development environment. Exceptional communication skills and a keen awareness of the latest security best practices are essential.

Join Our Mission: Innovating Robotics for a Safer Future Diligent Robotics is at the forefront of developing intelligent robots that enhance safety and efficiency in real-world environments. We embrace agility, continuous deployment, and pragmatic engineering principles to create reliable high-risk systems. We are seeking a Staff Technical Lead Manager (TLM) in Security Engineering — a proactive leader who will manage a dynamic team while executing impactful technical initiatives. In this role, you will take charge of the Security Engineering roadmap, deliver secure features, mentor junior engineers, and elevate product and operational security across embedded systems, cloud services, and our supply chain. Key Responsibilities: Lead & Execute: As a TLM, define the technical vision, oversee deliverables, and actively contribute as an individual contributor through design, architecture, coding, reviews, and hands-on proof-of-concept development. Build the Security Program: Formulate and implement the long-term Security Engineering roadmap for device, firmware, cloud, and service security, prioritizing efforts to mitigate the highest business risks. Secure Product Lifecycle: Integrate security throughout the product development process, including threat modeling, secure design reviews, architecture assessments, secure coding practices, and comprehensive verification/testing (fuzzing, static/dynamic analysis). Device & Firmware Security: Lead initiatives on secure boot processes, hardware root of trust, cryptographic design/PKI, OTA update security, device identity management, and secrets management for embedded systems and sensors. Cloud & Infrastructure Security: Ensure the security of backend services, CI/CD pipelines, Infrastructure as Code (IaC), identity and access management, secrets engines, as well as logging, monitoring, and incident detection/response. Vulnerability Management: Spearhead vulnerability identification, triage, and remediation efforts, collaborating with firmware, hardware, cloud, and third-party vendors. Incident Response & Forensics: Lead or support security incident management, including the development of runbooks, playbooks, and conducting blameless postmortems. Mentor & Grow the Team: Recruit, coach, and mentor security engineers, conduct one-on-one sessions, create career development plans, and foster a culture of ownership and continuous improvement. Cross-Functional Partnership: Collaborate with product, firmware, SRE/Ops, QA, and supply chain teams to implement practical security controls and evaluate security outcomes.

About SonarSource:At SonarSource, we are dedicated to enhancing code quality and security, empowering developers to create superior applications efficiently. Our platform analyzes all code—whether authored by your team, generated by AI, or sourced from third-party libraries—ensuring applications are secure, reliable, and maintainable. With a foundation in the open-source community, our solutions accommodate over 30 programming languages and frameworks, serving more than 7 million developers and 400,000 organizations globally, including industry leaders like the DoD, Microsoft, NASA, MasterCard, Siemens, and T-Mobile.We are passionate about building exceptional products supported by a strong internal culture. Our team is incredibly committed to our mission and obsessed with our users, colleagues, and the open-source community. We uphold high standards and foster a culture of positivity, accountability, and passion.Our decision-making is deliberate, with a clear intention to act swiftly and effectively. As a cohesive unit, we strive to achieve our goals with operational efficiency.At Sonar, CODE represents more than just an acronym – it embodies our daily philosophy.

Join Upside:At Upside, we are on a mission to revolutionize brick-and-mortar commerce. Our advanced technology combines the nuances of online retail—profit measurement, attribution, and incrementality—to enhance the value for users on their daily purchases while simultaneously attracting new, profitable customers to brick-and-mortar businesses. Millions of users have benefited from earning 2 to 3 times more cashback than any competing product, and hundreds of thousands of physical businesses have realized tangible profits through our platform. Each year, billions in commerce are processed through Upside, returning value directly to our retail partners, the consumers they serve, and vital sustainability efforts.Your Impact:In this role, you will report to the Director of Information Security, collaborating closely with technology stakeholders. Utilize your expertise in secure coding practices and payment systems to identify and address application vulnerabilities. As an individual contributor, you will bring innovation to our AppSec team, strengthen our security posture, and empower our engineering teams to code securely.Innovate with AI to deliver robust security solutions that mitigate application vulnerabilities.Conduct security code tests (SAST, SCA) and work with engineers to resolve unsafe code.Develop threat models and collaborate with technology teams to document and assess risks.Advise leadership on security architecture, design, and best practices in application security.Train and enhance the skills of engineers in safe coding and vulnerability management techniques.Assist with penetration testing initiatives and manage bug bounty programs.Support the administration of AWS Control Tower and IAM provisioning.Engage with the security community to stay informed about trends and advancements.Qualifications:A minimum of 6 years of experience in application or product security, including reviewing Python code.Proven experience in innovating and implementing solutions for vulnerability management.In-depth knowledge of AWS security architecture, including Lambda and AWS Control Tower.Strong comprehension and application of AI technologies.A Bachelor's degree in Computer Science or Engineering is highly preferred.Outstanding interpersonal and customer service skills.