Charles Russell Speechlys
Cyber Security Engineer
Job Description
Salary: £65,000 - 105,000 per year
Requirements:- Experience with CrowdStrike EDR, Cisco ISE, Mimecast, Tessian or equivalent email DLP, Intune, Entra ID, Active Directory, Palo Alto Firewalls, WAF, Menlo Security, and networking
- Strong understanding of security frameworks and compliance, including PCI-DSS, ISO 27001, NIST, and CIS
- Relevant certifications including CISSP, Crest Practitioner Security Analyst (CPSA), and Palo Alto Network Certified Security Operations Professional
- Ability to work collaboratively and demonstrate integrity, respect, inclusion, personal impact and growth, driving high standards, commercial mindset, client-centric focus, and responsible business values
- Maintain the CrowdStrike platform, including configuring EDR policies, tuning SIEM rules, and optimizing system performance
- Work with network engineers to implement posture management, including ICE/NAC segmentation, lateral movement control, and firewalls
- Collaborate with InfoSec to align CrowdStrike and other security platforms with our security strategy and policies
- Lead or participate in incident response efforts, conduct root cause analysis, and develop runbooks for incident handling
- Monitor for security threats, analyze alerts, respond to incidents using CrowdStrike and other security tools, conduct vulnerability scans, and support remediation and risk mitigation
- Oversee WAF, DDoS, VPN, and perimeter firewalls
- Work with the Endpoints team to administer MFA, SSO, PAM, MDM/MAM, and Conditional Access
- Maintain security certificates, encryption keys, and IDS/IPS systems
- Collaborate with third-party penetration testers to identify, prioritize, and remediate security vulnerabilities
- Create detailed reports on detected threats, incidents, and response actions, and document configurations, processes, and runbooks
- Keep informed of the latest cybersecurity trends, emerging threats, and updates
- Comply with all relevant legal and regulatory obligations, including the Solicitors Regulation Authority (SRA) Standards and Regulations and Principles
- Active Directory
- Cisco
- Support
- Network
- Security
- VPN
- WAF
More:
We are a newly established SecOps team working to strengthen our infrastructure security posture and incident response capabilities. This Cyber Security Engineer role reports directly to the Infrastructure Platforms Manager and plays a pivotal part in transitioning to a zero-trust operating model, supporting our pursuit of ISO 27001 certification and implementation of CIS controls. We offer hybrid and flexible working, subject to the requirements of the role and manager approval.
last updated 36 week of 2026
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About Charles Russell Speechlys
Charles Russell Speechlys
London
IT
Skills & Technologies
Inferred from job description
Salary Insight
£85,000
This role
£60,000
UK median
This salary is 42% above the UK median for Software Engineers (£60,000/yr).
Based on 2024–2025 UK technology sector benchmarks