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Information security analyst | risk management | incident response | siem

Bristol (City of Bristol)
MastarRec
Information security analyst
Posted: 2 September
Offer description

Job Description

We are seeking proactive and detail-oriented Information Security Analyst to help safeguard our clients’ digital assets and IT infrastructure. The ideal candidate will be responsible for monitoring security events, responding to incidents, and supporting continuous security risk management, compliance initiatives, and vulnerability assessments.

This is a hands-on role for professionals with strong experience in threat detection, SIEM tools, cyber risk analysis, and security best practices. You will work closely with security teams to prevent breaches, enhance cyber resilience, and ensure policy enforcement across the enterprise.

Job Responsibilities

* Monitor, analyse, and respond to security alerts using SIEM platforms (e.g., Splunk, Sentinel)
* Conduct incident investigations, root cause analyses, and escalate critical threats
* Support vulnerability scans, patch assessments, and mitigation planning
* Maintain security policies, procedures, and compliance documentation
* Assist in security audits, risk assessments, and internal/external reporting
* Collaborate with IT and compliance teams to strengthen the organization’s security posture
* Perform regular reviews of access controls, firewall logs, and endpoint security events
* Stay up-to-date with evolving threats, tools, and security frameworks (e.g., NIST, ISO 27001)




Requirements

* Experience with SIEM tools (Splunk, QRadar, LogRhythm, Sentinel)
* Knowledge of network security, firewalls, and endpoint protection
* Familiarity with security frameworks (ISO 27001, NIST, CIS Controls)
* Strong understanding of incident response, malware analysis, and threat detection
* Excellent analytical and communication skills
* Ability to manage and prioritise multiple alerts and projects
-----------------------------------

9. Desired Skills

* Certifications such as CompTIA Security+, CEH, SSCP, or CISSP (Associate)
* Knowledge of scripting or automation (Python, PowerShell)
* Exposure to cloud security (AWS, Azure)
* Understanding of regulatory requirements (GDPR, PCI DSS, HIPAA)




Benefits


Job Benefits

* Competitive salary and bonus structure
* Hybrid or remote working options
* Private medical insurance and pension scheme
* Professional development and training allowance
* 25 days holiday + bank holidays
* Modern tools and security technologies
* Career progression in a growing security team



Requirements
Required Skills Deep knowledge of cyber threat intelligence methodologies Familiarity with frameworks such as MITRE ATT&CK, STIX/TAXII, Diamond Model Proficiency in using threat intelligence platforms (TIPs) Strong analytical skills and ability to interpret large datasets Excellent written and verbal communication skills for report writing and stakeholder updates Experience with OSINT tools (e.g., Maltego, Shodan, SpiderFoot) 9. Desired Skills Certifications: GCTI, GCIA, GCFA, CISSP, or Security+ Programming/scripting knowledge (Python, PowerShell) Exposure to threat modelling techniques and risk assessments Understanding of APT groups, malware families, and nation-state threats Experience working in regulated environments (e.g., finance, healthcare)

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