
Infrastructure Operations and Maintenance Assistant Job Responsibilities: 1. According to Alibaba's requirements, perform 5*8 IDC room duty, and can quickly arrive at the scene according to the requirements of the operation and maintenance event management specifications outside working hours., 2. Update and maintain the completeness and 100% accuracy of infrastructure information, regularly check the platform alarm settings, monitor system availability and stability., 3. Familiar with IDC room environment and monitoring system, complete facility inspections according to Alibaba's requirements, including but not limited to facility status checks, review and tracking of maintenance/repair MOP., 4. Respond quickly and arrive at the scene according to the operation and maintenance event management specifications, timely handle events and report them according to EOP., 5. Familiar with the power, HVAC, weak current architecture and working principles of IDC room infrastructure in the jurisdiction, can quickly locate fault points and restore faults when an event occurs., 6. Familiar with infrastructure monitoring management, capacity management, security management, and availability management to improve operational efficiency., 7. Can independently develop and implement proprietary change MOP to ensure that no faults are caused by changes., 8. Complete other related work required in the "Service Contract," "Outsourcing Requirements Specification," and attachments. Education: Undergraduate degree Major Requirements: Relevant major Industry experience: Basic knowledge of data center management Work experience: 1 year of work experience Skill requirements: Basic infrastructure knowledge, basic IDC knowledge. Communication ability: Clear and logical expression, polite listening Assistance ability: Ability to collaborate and communicate with multiple teams, remote collaboration skills, cross-language, and cross-regional teamwork skills. Foreign language ability: English + Chinese

Location: London At Boom, we don’t hire mercenaries. We hire missionaries. Engineers who want to architect systems that power a global platform. We’re building something that redefines how people interact with money, outside of the banking system. That takes backend engineers who can scale, secure, and future-proof critical infrastructure. Responsibilities : • Design, build, and scale backend services with low latency, high throughput, and strong reliability., • Implement secure APIs, integrations, and data flows that connect mobile apps with blockchain components., • Collaborate closely with product owner, frontend, mobile, and blockchain engineers for seamless product delivery., • Champion performance optimization, monitoring, documentation 1and observability., • Lead code reviews, mentor teammates, and set engineering best practices., • Stay ahead of emerging backend architectures and distributed systems approaches. Requirements : • 5+ years of backend development experience (Node.js, Go, Java, or similar)., • Strong understanding of scalable system design, microservices, and cloud infra (AWS/GCP/Azure)., • Expertise in databases (SQL + NoSQL), caching, and data pipelines., • Familiarity with security, authentication, and encryption best practices., • Problem-solving mindset and ability to thrive in high-intensity, fast-moving environments. Nice to Have : • Experience with event-driven architectures and real-time data., • Exposure to blockchain integrations or Web3 APIs., • Background in fintech, marketplaces, or high-traffic consumer platforms. Extra Perks at Boom • Crescending Salary (First 90 Days): you prove impact, we ramp your pay up, faster than most companies promote., • Stock Options (Post 90 Days): real ownership. Not play money, but a meaningful equity stake in Boom’s future., • Missionary Bonus: milestone-based cash or digital asset rewards for those who go above-and-beyond expectations in the first year., • Founder Access: direct collaboration with founders/leadership, not layers of management., • Rapid Growth Path: prove yourself in 90 days and you won’t just work on tickets, you’ll lead initiatives., • Onsite Culture: daily face-to-face collaboration in London., • Wellbeing Support: private healthcare & wellness allowance (because missionaries need fuel, too)., • Time for Mastery: dedicated “Build Fridays” to experiment, refactor, or research new tech (mobile + blockchain)., • Immersive Offsites: team offsites (local & abroad) to reset, align, and celebrate wins together. Compensation & Rewards • Base Salary (London, senior-level):, • First 90 days: £5,500 → £7,500 → £9,500/month crescending structure., • Post-90 days: £95,000 – £130,000+ full base salary depending on performance and seniority., • Equity / Stock Options: meaningful ownership in Boom., • Missionary Bonus: milestone-based cash or digital asset rewards., • Healthcare & Wellness: private cover + allowance.

Cyber Armed Security are seeking a skilled Penetration Tester to join their Cyber Security team. In this role, you will be responsible for simulating real-world attacks against our clients’ systems, applications, and infrastructure to identify vulnerabilities and provide actionable remediation advice. You will play a critical role in strengthening security postures, protecting sensitive data, and helping organisations meet compliance and regulatory requirements, the candidate must be highly self-motivated and confident to work efficiently alone. Key Responsibilities · Conduct penetration testing across networks, web applications, APIs, mobile applications, and cloud environments. · Perform vulnerability assessments and exploit weaknesses in a controlled, ethical manner. · Develop and deliver detailed technical reports and clear executive summaries for clients. · Provide expert advice on remediation strategies and security best practices. · Stay up to date with the latest exploits, attack vectors, tools, and methodologies. · Support Red Team and Purple Team engagements where required. · Collaborate with internal security teams, developers, and client stakeholders to improve overall security posture. Essential Skills & Experience · Minimum of 2 years of proven experience as a Penetration Tester, Ethical Hacker, or in a similar cyber security role. · Manual testing ability · Strong knowledge of penetration testing methodologies (e.g. OWASP, NIST). · Proficiency with common testing tools (e.g. Burp Suite, Metasploit, Nmap, Nessus, Kali Linux). · Solid understanding of networks, operating systems, web technologies, and cloud platforms (AWS, Azure, GCP). · Ability to write and deliver clear, professional reports. · Relevant industry certifications (e.g. OSCP, CREST CRT, CEH, GIAC GPEN) highly desirable. Desirable Skills · Experience with scripting/programming languages (Python, PowerShell, Bash, etc.). · Exposure to Red Team operations and threat emulation. · Familiarity with security compliance standards (ISO 27001, PCI-DSS, Cyber Essentials Plus). · Strong client-facing skills and ability to explain technical findings in non-technical terms.

Job Description We are seeking a proactive and detail-oriented Information Security Analyst to help safeguard our clients’ digital assets and IT infrastructure. The ideal candidate will be responsible for monitoring security events, responding to incidents, and supporting continuous security risk management, compliance initiatives, and vulnerability assessments. This is a hands-on role for professionals with strong experience in threat detection, SIEM tools, cyber risk analysis, and security best practices. You will work closely with security teams to prevent breaches, enhance cyber resilience, and ensure policy enforcement across the enterprise. Job Responsibilities Monitor, analyse, and respond to security alerts using SIEM platforms (e.g., Splunk, Sentinel) Conduct incident investigations, root cause analyses, and escalate critical threats Support vulnerability scans, patch assessments, and mitigation planning Maintain security policies, procedures, and compliance documentation Assist in security audits, risk assessments, and internal/external reporting Collaborate with IT and compliance teams to strengthen the organization’s security posture Perform regular reviews of access controls, firewall logs, and endpoint security events Stay up-to-date with evolving threats, tools, and security frameworks (e.g., NIST, ISO 27001)