Senior Security Analyst

Company: McNeil & Co.
Apply for the Senior Security Analyst
Location: London
Job Description:

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠.Job SummaryThe Senior Security Analyst will prepare and defend our networks, data and systems (on-premise and in the cloud) from attack. They will use an understanding of tactics, techniques, and procedures used by attackers and apply that knowledge to assist in the investigation of cyber-attacks to ensure steps are taken to mitigate the threat and help the team to track all security incidents to closure. The Senior Security Analyst will work on activities such as incident response, logging/monitoring support, application security, configuration reviews, and configuration and maintenance of various security controls, both on premise and on cloud infrastructure. They will assist with creating and revising information security standards and policies as well as create and produce applicable metrics. They will also be responsible for participating in both internal and external audits, training new analysts, and mentoring current analysts.ResponsibilitiesParticipate in vulnerability management related activities including the identification, prioritization and directing the remediation of security related vulnerabilities.Design, develop, implement, and maintain security documentation.Document all tickets and alerts worked on in the required SLA. Monitor and respond to SIEM alerts.Participate in rotational on-call responsibilities.Train new analysts and provide a mentorship role to current analystsParticipate in security related projects and assist in maintaining security tools and processes.Education and Experience3-5 years of related security experienceDeep understanding of cyber incident response processes and procedures.Understanding of Cyber Threat Intelligence and Cyber Security Awareness concepts.In-depth understanding of Windows operating systems and general knowledge of Unix, Linux, and Mac operating systems.Knowledgeable with various security infrastructure tools such as intrusion prevention/detection systems, anti-virus/endpoint detection and response, proxy servers, email controls, and SIEM.Ability to work as part of a team, show initiative and take on new tasks as assigned.Ability to perform risk analysis and communicate that risk to others.General understanding of AWS, Azure, and/or Google Cloud.Experience in a 24×7 global enterprise, preferably in the financial industry.SANS GIAC (GSEC, GCIA, GCIH, GCFA, etc.), CISSP, CEH, Security+, or similar information security certifications.Scripting experience, preferably Python and/or PowerShell. SIEM knowledge and experience.General system and/or network administration experience.Cloud Security Experience (AWS and Azure).Bachelor’s degree in related field of study, preferred. Security+ or other technical certifications, preferred.Do you like solving complex business problems, working with talented colleagues and have an innovative mindset? Arch may be a great fit for you. If this job isn’t the right fit but you’re interested in working for Arch, create a job alert! Simply create an account and opt in to receive emails when we have job openings that meet your criteria. Join our talent community to share your preferences directly with Arch’s Talent Acquisition team.13021 Arch Underwriters Europe Limited – London Branch#J-18808-Ljbffr…

Posted: May 24th, 2026