security engineer in legal services

Enfint; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Kennedys is seeking a skilled IT Security professional to maintain and optimise its security platform from the London base. The role involves configuring EDR policies, tuning SIEM rules, and monitoring threats across the firm’s IT landscape.

You will lead incident response, perform root cause analyses, and interact with third-party testers to remediate vulnerabilities while coordinating with IAM, email security and firewall teams. Flexibility for remote work is noted.

Qualifications

• Experience managing EDR platforms and tuning SIEM rules.
• Proficiency with Microsoft Defender ATP, Azure Security Centre, Entra ID, Intune, and Conditional Access.
• Experience with Palo Alto Prisma or similar next-gen firewalls.
• Knowledge of Mimecast, Exchange Online, DMARC and email DLP tools.
• Experience with IAM including CyberArk, Entra ID, SSO, MFA and PAM.
• Familiarity with SIEM tools (Sentinel, Exabeam, Splunk).
• Vulnerability management with Tenable or similar tools.
• Scripting/automation experience (PowerShell) and KQL.
• Experience with DLP solutions such as MS Purview Compliance Manager.
• Industry certifications (CISSP, CPSA, etc) are a plus.

Responsibilities

• Maintain and optimise the security platform, including configuring EDR policies and tuning SIEM rules.
• Monitor threats, analyse alerts, respond to incidents, conduct vulnerability scans and remediation.
• Lead incident response, root cause analysis, and develop incident-handling runbooks.
• Oversee WAF, DDoS, VPN, and perimeter firewalls.
• Manage email and web security gateways and security certificates.
• Perform security scanning to reduce operational risk and manage IAM/CA controls.
• Collaborate with penetration testers to identify and remediate vulnerabilities.
• Create reports on threats, incidents and responses; document configurations and runbooks.

Skills

EDR platforms

SIEM tuning

Microsoft Security

Next-gen firewalls

Email security

IAM solutions

SIEM tools

Vulnerability management

Scripting (PowerShell)

KQL

Data Loss Prevention

Security certifications (CISSP CPSA,等)

Tools

Palo Alto Prisma

Mimecast

Exchange Online

DMARC

Tessian

CyberArk

Entra ID

SSO

MFA

PAM

Sentinel

Exabeam

Splunk

Tenable

PowerShell

Job description

Описание:

Kennedys provides legal, legal services, and alternative dispute resolution services. Its IT team maintains technology systems, security, and managed bespoke and off-the-shelf applications across the firm.

Задачи:

• Maintain and optimise the security platform, including configuring EDR policies, tuning SIEM rules, and optimising system performance
• Monitor security threats, analyse alerts, respond to incidents, conduct vulnerability scans, and support remediation and risk mitigation
• Lead and participate in incident response, conduct root cause analysis, and develop incident-handling runbooks
• Oversee WAF, DDoS, VPN, and perimeter firewalls
• Manage email and web security gateways
• Maintain security certificates, encryption keys, and IDS/IPS systems
• Perform security scanning and vulnerability management to reduce operational risk
• Work with network engineers to implement posture management, ICE/NAC segmentation, lateral movement controls, and firewalls
• Work with the Endpoints team to administer MFA, SSO, PAM, MDM/MAM, and Conditional Access
• Manage Identity and Access Management solutions
• Develop and deploy automation tools and scripts for common IT Security Operations tasks
• Collaborate with third-party penetration testers to identify, prioritise, and remediate security vulnerabilities
• Create reports on detected threats, incidents, and response actions
• Document configurations, processes, and runbooks
• Keep informed about cybersecurity trends, emerging threats, and updates
• Comply with relevant legal and regulatory obligations, including Solicitors Regulation Authority standards, regulations, and principles

Требования:

• Experience managing EDR platforms, configuring EDR policies, and tuning SIEM
• Experience with Microsoft Security, including Defender ATP, Azure Security Centre, Entra ID, Intune, and Conditional Access
• Experience configuring and managing next-generation firewalls, preferably Palo Alto Prisma or similar
• Experience with email security, including Mimecast, Exchange Online, DMARC, and email DLP such as Tessian or equivalent
• Experience with Identity and Access Management, including CyberArk, Entra ID, SSO, MFA, and PAM solutions
• Experience with SIEM tools such as Sentinel, Exabeam, Splunk, or equivalent
• Experience with vulnerability management using Tenable or equivalent enterprise toolsets
• Experience with scripting and automation, preferably PowerShell, and KQL or similar
• Experience with Data Loss Prevention solutions, including MS Purview Compliance Manager
• Nice to have: CISSP, CREST Practitioner Security Analyst (CPSA), Palo Alto Networks Certified Security Operations Professional, CEH, OSCP, SANS, or ISACA certifications

Условия:

• Work is based in Greater London, England, United Kingdom; The global IT team works flexibly and remotely