Windows - Senior Application Security Engineer at CENSUS SA

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Windows - Senior Application Security Engineer CENSUS SA. . About CENSUS. . . CENSUS is an internationally acclaimed Cybersecurity services provider. We support the needs of multiple industries, providing IT and OT security services to public and private organizations around the world, ranging from financial institutions and critical infrastructure to automotive and secure communications, including Fortune 500 companies. Powered by cutting-edge research, scientific analysis and in-depth engineering experience across various industries & technologies, CENSUS delivers unparalleled security consulting & assessment services for products (software, services, devices, and large-scale platforms), infrastructure, and organizations. . . Learn more about CENSUS at census-labs.com. . . About the . Job / Key Responsibilities . . CENSUS’ bespoke cybersecurity services are built upon a talented pool of Security Engineers, whose role extends beyond mere adherence to industry best practices. Under the management and mentorship of our Technical Leads and Technical Project Managers, our Senior Security Engineers are entrusted with assessing the completeness and maturity of an extensive range of cybersecurity products and features. Along with capturing defects and inefficiencies, in-depth mitigation strategies are explored, presented, and re-evaluated post their integration, in a highly agile and adaptive service delivery model. . . We are looking for talented & ambitious professionals to grow our . Product Security Professional Services. team and join our ongoing mission to deliver in-depth and top-tier cybersecurity services to our valued clients. As part of this role, you will use your knowledge and experience - in the . Application. Security domain on Windows Platforms – to execute design reviews, implementation assessments and mitigation consulting activities scoped across products of various industries. You will work side-by-side with our clients’ development and security teams & partners, under engagements / projects that involve: . . Reviewing product security designs, documenting missing security controls, and driving analysis for security improvements. . Executing and reviewing threat modelling, attack surface enumeration and attack tree creation activities for products running on . cloud. platforms. . Researching, reviewing, comparing, and proposing technologies that can satisfy the client’s established requirements, and aligning with their strategies. . Executing end-to-end security posture assessments for mobile, web and special purpose applications, with a focus on applications deployed on Windows platforms, via source code auditing, functional testing, fuzz testing and other applicable methodologies. . Verifying if output implementation is aligned with the products’ security architecture, requirements, and threat model. . Documenting and presenting product security risks in both technical- and business-oriented language. . Support a small team (2-3) of security engineers and/or consultants, to successfully assess and research bleeding edge technologies and products. . . Minimum Qualifications. . . MSc or BSc. in Electrical Engineering, Computer Science, Computer Engineering, or equivalent practical experience. . 4+. years of experience in application security related role(s) on . Windows . based technologies. Experience can be an engineering / development position (e.g., consumer or enterprise), an assessment / consultancy role, an equivalent role in other engineering organizations, or a combination of them. . Proven . experience in. developing or assessing . security . features for Windows Native, WebView2 or Hybrid applications and . system services. . . Proficient in English and excellent communication skills. . . Required. . Skills. . . Excellent knowledge of Windows system internals and security features, including local authentication mechanisms, platform services and subsystems (Networking Services, Windows Security Subsystem, etc.). . . Experience with performing design-level security reviews and verifying that output implementation is aligned with the design and input threat models. . Experience in reading & comprehending source code, discerning business logic pitfalls, and identifying security flaws on Windows-based SW developed with: . . Commonly used Windows development languages, such as C/C++, C#/.NET languages, and scripting languages such as Powershell. . Commonly used Windows APIs, such as Win32, Windows Networking/Socks, Windows Security (Windows Credential Manager, Windows Cryptography, Security Support Provider Interface, etc.) . . Experience with applied cryptography and cryptographic protocols, such as authenticated encryption, mTLS, Key Exchange / Agreement, Key Derivation, Key Wrapping and Remote Key Attestation. . Experience in identifying and reporting security vulnerabilities that impact endpoint and client/server applications (data protection, IPC ACL, transport layer protections, insecure configurations, secrets management, etc.). . Problem solving skills, analytical thinking, and willingness to learn/grow. . . . Nice-to-Have. . Skills . . Familiarity with debugging, instrumenting, and profiling software running on different runtimes, e.g., native, .NET, Node.js. . Familiarity with Active Directory, on-prem or cloud (Entra ID), services and their integration on product solutions. . Familiarity with the integration of hardware secure elements, hardware keys or TPM, to potentially enhance the security of Windows applications and systems. . Familiarity with application reverse engineering or fuzz testing methods. . Experience of working with international teams in other regions and time zones worldwide. . #LI-Remote. .