Ingénieur Sécurité au sein de la direction OINIS SECURITY, responsable de la mise en place des règles de filtrage Firewall, de la configuration et du déploiement des équipements réseaux, du support aux équipes opérationnelles, de la rédaction de documents d'architecture et de l'automatisation des solutions de sécurité.
Responsibilities
Prendre en charge la mise en place des règles de filtrage Firewall
Réaliser la production, configuration, et le déploiement des équipements Réseaux
Intervenir en support des équipes opérationnelles dans la gestion et la résolution des problèmes
Participer au maintien en conditions opérationnelles et de sécurité (MCO/MCS) des différents équipements de sécurité déployés
Rédiger et mettre à jour les documents d'architecture, les guides de bonnes pratiques et les référentiels documentaires
At UBDS, we help organisations transform through cloud, cyber security, AI and digital innovation. As our Cyber Security capability continues to grow, we're looking for an experienced CHECK Team Leader specialising in Infrastructure Penetration Testing to join our Security Testing team.
This is a hands-on, customer-facing consultancy role focused on delivering high-quality infrastructure penetration testing and security assessments across complex customer environments, including Government, Defence and other regulated sectors.
You will lead technical engagements, identify security vulnerabilities, assess potential business impact and provide practical remediation guidance. You'll also support the development of our security testing capability, working alongside experienced penetration testers, cyber security consultants and wider technical teams.
What You'll Do
Lead and deliver infrastructure penetration testing engagements in accordance with NCSC CHECK requirements and recognised industry methodologies.
Conduct internal and external infrastructure penetration tests across enterprise networks, systems and services.
Assess Windows, Linux, Active Directory and associated enterprise infrastructure for security vulnerabilities and weaknesses.
Perform network security assessments, including vulnerability identification, exploitation and validation.
Assess network segmentation, authentication mechanisms, access controls and infrastructure security configurations.
Conduct security testing across cloud and hybrid infrastructure environments where appropriate.
Lead the technical scoping, planning and delivery of penetration testing engagements.
Identify, analyse and clearly document vulnerabilities, attack paths and associated risks.
Produce high-quality technical reports with clear findings, risk ratings and actionable remediation recommendations.
Present findings to customers, translating technical vulnerabilities into meaningful business and security risks.
Provide technical leadership, guidance and quality assurance to other penetration testers.
Support the development and improvement of testing methodologies, tooling and reporting standards.
Work closely with customers, security teams and internal stakeholders to ensure successful engagement delivery.
Contribute to the ongoing development of UBDS's penetration testing and wider cyber security capabilities.
What We're Looking For
Current NCSC CHECK Team Leader status for Infrastructure Penetration Testing.
Strong hands-on experience delivering infrastructure penetration testing engagements.
Experience leading technical penetration testing engagements and working directly with customers.
Strong understanding of network infrastructure, operating systems and enterprise security.
Experience testing Windows, Linux, Active Directory and network-based services.
Strong knowledge of common infrastructure vulnerabilities, attack techniques and exploitation methods.
Experience with internal and external network penetration testing.
Understanding of networking protocols, routing, switching, firewalls and network security.
Experience using industry-standard penetration testing tools and frameworks.
Strong technical reporting skills, including clear documentation of vulnerabilities, risks and remediation recommendations.
Ability to communicate complex technical findings to technical and non-technical stakeholders.
Experience supporting or mentoring other penetration testers.
Strong analytical, problem-solving and technical troubleshooting skills.
Ability to manage engagements independently while maintaining high standards of technical delivery.
Desirable Experience
Experience across some of the following would be beneficial:
Penetration testing within UK Government, Defence or other regulated environments.
Active Directory security assessments and internal network attack-path analysis.
Cloud infrastructure security testing across Microsoft Azure and/or AWS.
Hybrid infrastructure and identity security assessments.
Red Team engagements and adversary simulation.
Wireless network security assessments.
Infrastructure vulnerability research and exploit development.
Python, PowerShell or Bash scripting for security testing and automation.
Experience with security testing tools such as Burp Suite, Nmap, Nessus, Metasploit or equivalent.
Experience contributing to penetration testing methodologies, technical quality assurance and peer review.
Knowledge of NCSC guidance, CREST methodologies and wider security testing standards.
Qualifications & Certifications
Current NCSC CHECK Team Leader status for Infrastructure Penetration Testing is essential.
Relevant recognised technical qualifications supporting CHECK Team Leader status.
Additional CREST, OffSec, GIAC or equivalent penetration testing certifications would be advantageous.
The Opportunity
This role would suit an experienced infrastructure penetration tester who enjoys combining hands-on technical security testing with engagement leadership and customer consultancy.
You'll work across a broad range of complex customer environments, delivering meaningful security assessments and helping organisations understand and address their security risks.
You'll also play an important role in developing UBDS's security testing capability, supporting other consultants, improving technical standards and contributing to the continued growth of our Cyber Security services.
Why people choose to grow their careers at UBDS Group
Professionals choose to grow their careers at UBDS Group for its reputation as a dynamic and forward-thinking organisation that is deeply committed to both innovation and employee development. At UBDS Group, employees are given unique opportunities to work on cutting-edge projects across a diverse range of industries, exposing them to new challenges and learning opportunities that are pivotal for professional growth. The Group’s culture emphasises continuous improvement, offering ample training programs, mentorship, and the chance to gain certifications that enhance their skills and marketability.
UBDS Group fosters a collaborative environment where creativity and innovation are encouraged, allowing employees to contribute ideas and solutions that have a tangible impact on the company and its clients. This combination of professional development, a culture of innovation, and the opportunity to make meaningful contributions makes UBDS Group an attractive place for those looking to advance their careers and be at the forefront of technological and operational excellence.
Employee Benefits
Training – All team members are offered a number of options in terms of personal development, whether it is technical led, business acumen or methodologies. We want you to grow with us and to help us achieve more
Private medical cover for you and your spouse/partner, offered via Vitality
Discretionary bonus based on a blend of personal and company performance
Holiday – You will receive 25 Days holiday, plus 1 day for Birthday and 1 day for your work anniversary in addition to UK bank holidays
Electric Vehicle leasing with salary sacrifice
Contributed Pension Scheme
Death in service cover
About UBDS Group
At UBDS Group our mission is to support entrepreneurs who are setting new standards with technology solutions across cloud services, cybersecurity, data and AI, ensuring that every investment advances our commitment to innovation, making a difference, and creating impactful solutions for organisations and society.
Equal Opportunities
We are an equal opportunities employer and do not discriminate on the grounds of gender, sexual orientation, marital or civil partner status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.
Provide on‑site installation, support, and troubleshooting for Keysight network test systems and related equipment.
Responsibilities
Provide on‑site installation, setup, calibration support, maintenance, troubleshooting, and repair services for network test systems and related equipment.
Perform high‑speed interface and network testing, including PRBS testing, bit error rate (BER) measurements, signal integrity verification, and link‑performance validation.
Use test instruments such as Keysight BERTs and Network Analyzers to conduct measurements, collect diagnostic data, and analyze test results.
Troubleshoot hardware, cable, connector, PCBA, subsystem, and system‑level issues to ensure stable equipment operation.
Support basic PCBA‑level debugging, including visual inspection, power‑rail checks, connectivity checks, and interface verification.
Requirements
Bachelor’s degree or above in electrical engineering, Electronics Engineering, Computer Engineering, Communications Engineering, or a related technical field
Nice to have: Experience using Keysight test equipment
Nice to have: Familiarity with network testing concepts and methodologies
Assist in AI/ML model design, development, training, and testing within a multi‑disciplinary engineering team.
Responsibilities
Gain an understanding of typical AI/ML documentation and assist in preparing them.
Learn commonly used AI and software engineering tools and best practices (e.g., Git, ADO, Python libraries, ML frameworks, VSCode).
Provide basic support for AI and software development across various software environments and target hardware (e.g., Linux, Android, Windows).
Expand your AI/ML knowledge, including model development, data preparation, and evaluation techniques.
Participate as a member of a multi‑disciplinary engineering team.
Requirements
Enrolled in an accredited college or university pursuing a technical degree in Computer Engineering, Electrical Engineering, Computer Science, or a related STEM field
Nice to have: MS Office
Nice to have: Previous engineering or AI/ML project experience or internships
Nice to have: Ability to work effectively in a team environment
Perform device repairs and corrective maintenance for the Engagement Skills Trainer (EST) platform, including simulation weapons, LRUs, and components.
Compensation
SCA/ Full-time / Hourly / Non-Exempt
Responsibilities
Perform device repairs for the Engagement Skills Trainer
Conduct repair tasks to complete device repairs and corrective maintenance for simulation weapons, LRU’s and components
Interpret manufacturers manuals, documents, and diagrams to solve routine problems
Use tools and test equipment to perform repairs, troubleshooting, network connectivity, and software malfunction identification
Track bench stock, parts and follow-up on securing parts
Support the validation, testing, and failure analysis of AI NIC, switch, and networking platforms.
Responsibilities
Perform failure analysis on AI NIC, switch, and networking hardware from engineering validation, manufacturing, and field returns.
Investigate and reproduce hardware and system failures, analyze diagnostic logs and test results, and isolate issues across hardware, firmware, and software.
Debug board-level and system-level failures, including boot issues, Ethernet/PCIe connectivity, interface bring-up, power, thermal, and stability problems.
Work with hardware, firmware, software, and manufacturing teams to identify root causes, implement corrective actions, and validate fixes.
Analyze manufacturing test data and failure trends to identify recurring issues, improve test coverage, and reduce failure rates.
Requirements
BS/MS in Electrical Engineering, Computer Engineering, Computer Science, or a related field.
岗位职责：
1.参与软件的设计与开发，能独立或主导模块/功能的设计与实现。
2.在软件产品实施过程中，参与功能需求书撰写与评审、开发与集成测试，确保项目按时按质完成交付。
3.对系统出现的问题能及时修改及完善，具备线上问题排查、根因分析与修复能力。
4.参与或主导代码重构、技术债务识别与治理，提升代码可维护性与长期质量。
5.不断熟悉和掌握新的业务知识与新技术，保持技术竞争力。
6.熟练使用 AI 工具做需求分析，代码生成和代码审核。
任职要求：
1.正规院校计算机或相关专业本科及以上学历，2 年及以上工作经验。
2.有Vibe Coding经验，能流畅并且安全使用AI工具。
3.精通 Java 基础，有分布式应用开发经验。
4.熟悉 Spring MVC、Spring Boot、Hibernate/MyBatis 等常用框架。
5.熟悉 Oracle/MSSQL/MySQL/PostgreSQL 等关系型数据库；有 SQL 优化经验和 NoSQL 应用经验者优先。
6.熟悉 Git，熟悉 CI/CD。
7.熟悉 Linux 常用命令，熟悉 Docker和K8S。
8.工作积极主动、有责任心，具有良好的团队精神，具备跨团队沟通协作能力。
9. 普通话标准，英语四级及以上，能熟练阅读和使用英文进行沟通。
优先考虑： 有 AI 开发项目经验者。
At TD SYNNEX, our values guide everything we do: Together, We Own It, We Dare to Go, We Grow and Win, and above all, We Do the Right Thing. These principles shape how we work with each other, our partners, and our communities as we drive innovation and create lasting impact.
What’s In It For You?
Elective Benefits: Our programs are tailored to your country to best accommodate your lifestyle.
Grow Your Career: Accelerate your path to success (and keep up with the future) with formal programs on leadership and professional development, and many more on-demand courses.
Elevate Your Personal Well-Being: Boost your financial, physical, and mental well-being through seminars, events, and our global Life Empowerment Assistance Program.
Diversity, Equity & Inclusion: It’s not just a phrase to us; valuing every voice is how we succeed. Join us in celebrating our global diversity through inclusive education, meaningful peer-to-peer conversations, and equitable growth and development opportunities.
Make the Most of our Global Organization: Network with other new co-workers within your first 30 days through our onboarding program.
Connect with Your Community: Participate in internal, peer-led inclusive communities and activities, including business resource groups, local volunteering events, and more environmental and social initiatives.
Don’t meet every single requirement? Apply anyway.
At TD SYNNEX, we’re proud to be recognized as a great place to work and a leader in the promotion and practice of diversity, equity and inclusion. If you’re excited about working for our company and believe you’re a good fit for this role, we encourage you to apply. You may be exactly the person we’re looking for!
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