Technical Lead - Application Security (UK Nationals Only)

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.

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. We expect our Technical Leads to hold the required expertise to take on & provide technical leadership on major projects involving emerging technologies, while managing and guiding a team of security engineers & consultants in the scope of a project’s technical activities. Across various engagement types, Technical Leads are responsible for researching, analyzing, and resolving demanding technical challenges, while ensuring that the tasks of the technical team run smoothly and effectively.

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 to steer our clients towards efficient strategies, architectures, implementations, and integrations, so they can satisfy their cybersecurity goals. You will work side-by-side with our clients’ development and security teams & partners, under long-term projects that involve:

• Creating, reviewing, and expanding security architectures and designs that align with the product’s security requirements.
• Assisting in the collection, technical translation, and fine-tuning of security requirements.
• Driving, supporting, and reviewing threat modelling, attack surface enumeration and attack tree creation activities across a range of application software domains (cloud, mobile, web, robotics, autonomous, and other special software).
• Researching, reviewing, comparing, and proposing technologies that can satisfy the client’s established requirements, and aligning with their strategies.
• Reviewing product security designs, documenting missing security controls, and driving analysis for security improvements.
• Planning, executing, and supervising end-to-end security posture assessments 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.
• Managing a team of security engineers and consultants to successfully assess and research bleeding edge technologies and products.

Minimum Qualifications

• MSc or BSc in Electrical Engineering, Computer Science, Computer Engineering, Electronics Engineering, or equivalent practical experience.
• 8+ years of experience in application security related role.
• Proven experience of 2+ years in a leading application security architecture role.

Key Skills & Preferred Qualifications

• In-depth exposure to security concepts, cryptography, and protocols across various Application types (cloud, web, mobile, IoT / Embedded, etc.).
• Extensive, and leading role experience with producing & reviewing application security architecture.
• Experience with Mobile (iOS & Android), Cloud (GCP, AWS, Azure, etc.) and Web (Frontend & Backend) platforms.
• Experience in reading & comprehending source code, discerning business logic pitfalls, and identifying security flaws in at least one of the following groups of languages: Mobile-relevant, such as Swift, Obj-C, Kotlin, Java, Dart, and JavaScript; Web- and Cloud-relevant, such as Java, Ruby, Rust, Go, Python, PHP, C#, Lua, and JavaScript.
• Experience with application authentication, authorization, identity, and access management methods, such as OAuth, SSO, JWT, PKI / Certificates, Cloud IAM, and Password-less authentication.
• Experience with application security features and key management systems backed by secure hardware, such as Mobile Biometric authentication, Keystore / Keychain, TPM / vTPM, HSM and SE.
• Experience with applied cryptography and cryptographic protocols, such as E2E protection, authenticated encryption, mTLS, Key Exchange / Agreement, Asymmetric PAKE, OTR, Double Ratchet, Olm/Megolm and SFrame.
• Experience with debugging, instrumenting, and profiling applications & application runtimes / middleware.
• Familiarity with confidential computing, virtualization, enclaves, containers, and attestation technologies.
• Familiarity with application reverse engineering and fuzz testing methods.
• Experience of working with international teams located in other regions and time zones worldwide.
• Excellent leadership, ownership, problem solving skills, and willingness to learn/grow.
• Proficient in English and excellent communication skills.
• Ability to travel.