Senior SOC Analyst

Sopra Steria Limited; Hemel Hempstead; On-site; GBP 40,000 - 65,000; Full time

Job summary

An established industry player is seeking to expand its SOC team within the Aerospace Defence and Security sector. This role promises serious career growth and engaging work with high-profile clients. As a leader in the SOC, you will utilize your expertise in Microsoft Sentinel and Splunk to monitor and respond to security incidents. The position offers a dynamic shift pattern and a supportive environment that fosters professional development. With a commitment to delivering exceptional service, this innovative firm is dedicated to ensuring national security through cutting-edge digital solutions.

Benefits

25 days leave (plus buy options)

Health plan

Life assurance

Pension

Flexible benefits

Qualifications

• Proven SOC experience with a tech-first approach.
• Managing Microsoft Sentinel and Splunk implementations.

Responsibilities

• Monitoring and investigating security incidents on critical infrastructure.
• Analyzing network traffic and logs to identify threats.

Skills

Security Operations Centre Experience

Microsoft Sentinel

Splunk

Log Analysis

Intrusion Detection Systems

Networking Principles

Mitre Attack Framework

Tools

SIEM Tools

QRadar

Job description

We are rapidly growing our SOC team, offering serious career growth and exciting work with high-profile clients!

Join our expanding Cyber practice within the Aerospace Defence and Security sector. This team supports enterprise-scale clients and requires proven SOC experience with a tech-first approach.

You will lead from the front, with knowledge of Microsoft Sentinel, Splunk, and MISP Threat sharing being highly beneficial.

This role is based at our head office in Hemel Hempstead, working on a shift pattern of 12-hour shifts (Nights and Days): 2 x 6am-6pm, 2 x 6pm-6am, with 4 days off.

Eligibility for Developed Vetting (DV) is required

We offer career progression, flexible benefits, and training opportunities.

Responsibilities include:

• Monitoring, triaging, and investigating security incidents on critical infrastructure.
• Analyzing network traffic, logs, and system events to identify threats.
• Providing Incident Response support.
• Maintaining and developing team knowledge of SOC tools and security operations.
• Preparing reports for technical and non-technical audiences.
• Updating security incident documentation and mitigation strategies.

Qualifications and experience:

• Experience working in a Security Operations Centre.
• Managing Microsoft Sentinel and Splunk implementations.
• Knowledge of the Mitre Attack Framework.
• Understanding of client-server applications, web applications, databases, firewalls, VPNs, and antivirus products.
• Technical skills in log analysis and intrusion detection systems.
• Networking principles including TCP/IP, WANs, LANs, and protocols like SMTP, HTTP, FTP, POP, LDAP.

Preferred skills:

• Static malware analysis and reverse engineering.
• CREST Practitioner Intrusion Analyst certification.
• Experience with SIEM tools, especially Sentinel and Splunk, with QRadar knowledge appreciated.

If interested and unsure about your fit, please apply—we'd love to hear from you!

Details:

• Employment Type: Permanent
• Location: Hemel Hempstead
• Security Clearance: Eligible or holding Developed Vetting (DV)
• Recruiter: Jane
• Benefits: 25 days leave (plus buy options), health plan, life assurance, pension, flexible benefits

Want to know more about us? Sopra Steria’s Aerospace, Defence and Security division develops digital solutions for government clients, supporting national security efforts. We promote professional growth, knowledge sharing, and a supportive culture committed to delivering exceptional service in complex markets.