Bestman Solutions

Senior Threat Detection Analyst Permanent | Hybrid We're looking for an experienced Threat Detection Senior Analyst to join a global leader in data science and customer insights. The team supports some of the world's most recognized brands, using data to drive smarter business decisions, and ensuring that data stays secure is central to everything they do. In this role, you'll take ownership of detection and response across complex, hybrid environments - from on-prem systems to modern cloud platforms. You'll play a key part in advancing the company's threat detection capabilities and ensuring that security operations stay one step ahead of emerging threats. What You'll Do Lead the creation and optimization of detection rules, alerting logic, and use cases across SIEM, EDR, and SOAR platforms. Analyze and investigate alerts across cloud and on-prem infrastructures to identify real threats and eliminate false positives. Strengthen visibility across Azure, AWS, and GCP environments, ensuring comprehensive monitoring and detection coverage. Drive threat hunting activities and develop hypotheses based on attacker TTPs and frameworks like MITRE ATT&CK. Collaborate with incident response, engineering, and intelligence teams to contain and resolve security incidents. Support continuous improvement of detection strategies and mentor analysts to uplift overall team capability. What You'll Bring Solid background in threat detection, SOC operations, or incident response. Deep understanding of SIEM, EDR, and cloud-native security tooling (eg, Microsoft Sentinel, Defender, GuardDuty, Chronicle). Hands-on experience developing and tuning detection content for cloud and hybrid environments. Strong grasp of adversarial tactics and techniques and how they translate to real-world detection logic. Excellent analytical and communication skills, with a calm and structured approach to problem-solving. Nice to Have Experience in threat hunting or purple teaming. Familiarity with automation or detection-as-code approaches. Certifications such as GCDA, GCIH, or AZ-500 are a plus.

IT System Engineer - Virtualization & Backup Permanent | £85,000 | 2x a week in London We are seeking an experienced IT System Engineer to join our Virtual Infrastructure Services team. This role focuses on the management, support, and evolution of backup and virtualization technologies across a complex global environment. Key Responsibilities Install, configure, and maintain virtualization and backup platforms. Monitor system performance, conduct capacity planning, and ensure high availability. Automate recurring tasks and streamline existing automation solutions. Support day-to-day operations, including incidents, alerts, and changes. Provide on-call support (24/7 watch duty on rotation). Contribute to disaster recovery management and private cloud strategy. Collaborate with cross-functional IT teams, architects, and product owners. Maintain strong documentation and follow security best practices. Requirements 5+ years' experience in service engineering/operations. Strong knowledge of Cohesity backup platforms (2+ years in large IT environments). Hands-on expertise with VMware, Nutanix, and converged infrastructures (VxBlock). Familiarity with storage platforms (S3, file solutions, etc.). Automation skills using Ansible, Tower, and PowerShell. Experience working in an Agile environment. What You Bring You are passionate about automation, thrive in fast-paced environments, and excel at diagnosing and solving complex infrastructure challenges. You bring strong technical depth, a hands-on mentality, and a drive to make systems more efficient and reliable.