Cyber Security Analyst in Bristol

We are looking for a Cyber Security Analyst to join the ARCHANGEL™ Protective Monitoring (ProMon) Team. ARCHANGEL™ delivers specialist technical cyber security services to a range of clients across a variety of industries including construction, government, defence and aerospace. The ARCHANGEL™ ProMon Team sits within the Bristol Service Operations Centre (SOC) and is responsible for providing thorough initial investigation into anomalous network activity that may lead to potential security incidents.

What You Will Do

• Provide monitoring, alerting and incident handling services within the SOC in line with SLAs.
• Act as the initial analytical reference point for identifying and then quantifying the nature and extent of security incidents and offer initial professional advice relating to possible business impact in order to reduce both the Mean Time to Detect (MTTD) and Mean Time to Respond (MTTR).
• Advise on incident containment measures through recommended initial actions to customers in collaboration with the Incident Response (IR) Team.
• Provide advice relating to potential mitigation measures in order to prevent or limit future reoccurrence in collaboration with the Incident Response (IR) Team.
• Perform proactive analysis across client networks by staying abreast of current threats and trends.
• Develop and maintain a credible knowledge of current and emerging threats likely to affect the integrity of the managed service you are protecting.
• Review reoccurring false-positive firings and assist in tuning of SIEM and IDS rules to reduce false positives and maintain good security alerting.
• Create reporting for management and clients on security incidents and threat intelligence trends.

What You’ll Bring

• Ability to excellently communicate at all levels – working with customers is a must, so you must be able to let them know what's going on.
• Experience in Cyber Security, e.g. Protective Monitoring, Incident Response, Security Engineering.
• SIEM (LogRhythm, Arcsight, Splunk, etc) & IDS (Snort) experience.
• Sound knowledge of IT security best practices, common attack types & detection/prevention methods.
• Understanding of Incident Response, Cyber Kill Chain, Threat Modelling and pertinent Attack Vectors.
• Collaborative working ethos to create pertinent Playbooks and Use Cases.
• Experience analysing & interpreting system, security & application logs to diagnose faults & spot abnormal behaviours.
• Great organisational skills & attention to detail.
• Ability to work independently & as part of a team.
• Highly motivated, with the aptitude to learn new skills.

These Additional Skills Will Also Help

• SANS SEC 503 Intrusion Detection in Depth or equivalent.
• SANS SEC 504 Incident Handling, Hacker Tools and Techniques or equivalent.
• SANS SEC 508 Advanced Incident Response, Threat Hunting, and Digital Forensics or equivalent.
• SANS SEC 511 Continuous Monitoring and Security Operations or equivalent.
• Exposure to IT service management best practices such as ITIL.
• Knowledge of standards & guidelines such as ISO27001, GDPR principles and GPG-13.
• Threat Intelligence experience.
• Report writing.

Security Clearance

This role is subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, which could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV).

Why join us

• Enjoy generous leave with the opportunity to accrue up to 12 additional flexi‑days each year.
• Benefit from an award‑winning pension scheme with up to 15% employer contribution.
• Free access to mental health support, financial advice, and employee‑led networks championing inclusion and diversity.
• Eligible for the bonus scheme for employees at management level and below.
• Free access to 4,000+ online courses via Coursera and LinkedIn Learning.
• Financial reward through the referral programme.
• Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
• Flexible working – flexible hours with hybrid working options; onsite is required for part‑time roles.

We are committed to building an inclusive, accessible and welcoming workplace.

Primary Location: GB - Bristol - Coldharbour Lane

Contract Type: Permanent

Hybrid Working: Onsite