Cyber Security Senior Engineer

FDM is a global business and technology consultancy seeking a Senior Security Engineer to work for our client within the financial services sector. This is initially a 12-month contract with the potential to extend and will be a hybrid/fully onsite role based in London.

Our client is seeking a well-rounded individual with strong foundational knowledge across Windows and Linux platforms, network infrastructure, and cyber security tooling. You will play a hands-on role in delivering, maintaining, and troubleshooting key cyber security technologies while supporting the implementation of new controls and improvements. The successful candidate will work across a variety of use cases including platform engineering, incident response support, project delivery, and audit preparation.

You will serve as a trusted technical point of contact, leading investigations into complex issues, supporting change deployments, and maintaining accurate documentation. This role requires strong problem-solving skills, comfort with ambiguity, and adaptability to tackle diverse challenges across the cyber environment.

Responsibilities

• Act as key point of contact for internal audit, IT risk, and security governance teams, ensuring alignment with regulatory frameworks (e.g., ISO 27001, SAMA, SWIFT CSCF) and internal security standards
• Provide technical support and lifecycle management of cyber security tools including Varonis, Qualys, SIEM, DLP, PAM, and endpoint protection platforms
• Investigate, triage, and resolve platform-level incidents affecting security tools and controls
• Support incident response teams by providing tooling insights, logs, and root cause analysis
• Contribute to the successful implementation of new security solutions, including design input, testing, deployment, and documentation
• Liaise with infrastructure, network, and server teams to troubleshoot issues related to control integration and coverage
• Assist in running vulnerability scans, analysing results, and tracking remediation efforts while supporting operational security and information security
• Automate routine tasks using scripting languages (e.g., PowerShell, Python, Bash) where applicable
• Write and maintain accurate documentation including implementation procedures, runbooks, and technical standards
• Participate in internal and external audit activities by gathering evidence, explaining configurations, and supporting reviews while identifying control gaps or inefficiencies and suggest engineering improvements

Requirements

• Minimum of 5 years’ experience in cyber security or information security roles
• Strong secondary-level education is required, ideally to A-level or equivalent standard, in a technical or analytical discipline
• Relevant certifications such as CISSP, Security+, CEH, GCIA, or vendor-specific qualifications (e.g., Microsoft, AWS).
• Strong technical experience in Windows Server and Linux environments
• Strong technical understanding of infrastructure, networking, and operating systems
• Hands-on experience with one or more enterprise cyber security tools (e.g., Varonis, Qualys, Symantec DLP, SIEM, EDR)
• Knowledge of regulatory frameworks (e.g., ISO 27001, CIS, NIST, SAMA)
• Comfortable supporting log analysis, access control configurations, and data protection tools
• Proficiency in troubleshooting integrated systems involving AD, DNS, GPO, and networked assets
• Experience collaborating with audit, risk, and compliance stakeholders with excellent written and verbal communication skills for technical and non-technical audiences
• Strong collaboration skills, with a focus on cross-functional teamwork and vendor relationship management
• Process oriented with keen attention to detail and ability to proactively anticipate problems and execute solutions at a strategic level

Desirable

• Familiarity with tools such as Varonis, vulnerability scanners (e.g., Qualys), SIEM, DLP, and PAM
• A qualification in Cyber Security, Information Technology, Risk Management, or a related field and experience working with cloud platforms (Azure, AWS) or virtualized environments (e.g., VMware).
• Knowledge of security frameworks such as CIS Benchmarks, ISO 27001, or NIST 800-53 with familiarity with ServiceNow ITSM
• Scripting or automation exposure (Python, Ansible, Bash or PowerShell)

Why join us

• Career coaching, mentoring and access to upskilling throughout your entire FDM career
• Assignments with global companies and opportunities to work abroad
• Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
• Annual leave and work-place pension

About FDM

We are a business and technology consultancy and one of the UK's leading employers, recruiting the brightest talent to become the innovators of tomorrow. We have centres across Europe, North America and Asia-Pacific, and a global workforce of over 2,500 Employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer and is listed on the FTSE4Good Index.

Diversity and Inclusion

FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.