Senior Security Analyst

Bell Integration
Portsmouth, United Kingdom
5 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Portsmouth, United Kingdom

Tech stack

Microsoft Windows
Amazon Web Services (AWS)
Azure
Cloud Computing Security
Computer Security
Linux
Python
Network Protocols
Powershell
Kusto Query Language
Security Information and Event Management
Software Vulnerability Management
Scripting (Bash/Python/Go/Ruby)
Office365
Mitre Att&ck
Cybercrime
Microsoft Sentinel
Splunk

Job description

As a Senior Security Analyst in our Security Operations Centre (SOC), you'll take a leading role in identifying, investigating, and responding to cyber threats across diverse client environments. You'll mentor junior analysts, lead complex incident investigations, and help shape the evolution of our detection and response capabilities. This role suits a passionate security professional with a strong technical background, a collaborative mindset, and a desire to grow into future leadership or specialist roles such as SOC Lead, Threat Hunter, Security Engineer, or Incident Responder., * Lead advanced analysis and investigation of security incidents, identifying root causes and recommending corrective actions.

  • Provide technical and procedural guidance to junior analysts within the SOC.
  • Develop and refine detection use cases, correlation rules, and playbooks in SIEM and EDR platforms (e.g. Microsoft, Elastic, Palo Alto…).
  • Perform proactive threat hunting across customer environments.
  • Collaborate with engineering teams to enhance visibility, telemetry, and automation.
  • Support major incident response activities and coordinate cross-team remediation efforts.
  • Produce detailed incident reports and contribute to client-facing communications when required.
  • Help shape SOC maturity by contributing to process improvement, training, and knowledge sharing.

Requirements

Do you have experience in Windows?, * 2-4 years' experience working in a SOC, CSIRT, or cyber defence environment.

  • Strong understanding of attack methodologies (MITRE ATT&CK, Cyber Kill Chain).
  • Hands-on experience with SIEM and EDR tools (e.g. Microsoft Sentinel, Defender, Splunk, CrowdStrike).
  • Experience in triage, containment, and incident response.
  • Solid understanding of network protocols, Windows/Linux operating systems, and cloud security (M365, Azure, AWS).
  • Excellent communication and analytical skills - able to explain complex issues clearly to both technical and non-technical audiences.
  • Passion for continuous learning and knowledge sharing., * Experience with automation or scripting (PowerShell, KQL, Python).
  • Exposure to threat hunting or threat intelligence.
  • Experience mentoring or coaching junior team members.
  • Working knowledge of vulnerability management or forensic analysis.

Benefits & conditions

  • Competitive salary
  • Hybrid working and flexible hours
  • Funded training and professional certifications
  • Access to cutting-edge security tools and threat intelligence feeds
  • Pension, healthcare, and wellbeing support
  • Inclusive culture built around collaboration, trust, and personal growth
  • Defined career progression pathways

Join Our Cyber Defence Team We're more than a service provider, we're a team of passionate professional people who care deeply about protecting our clients and developing each other. If you're looking for a place where your skills are valued, your voice is heard, and your career can grow in multiple directions, we'd love to have you on the journey. Apply today and help us build the next chapter of our Cyber Defence success story.     If you require alternative methods of application or screening, you must approach the employer directly to request this as Indeed is not responsible for the employer's application process.

About the company

We're a people-first, values-led $1B global service provider delivering end-to-end IT Outsourcing (ITO) including Cyber Defence services to clients of all sizes, from dynamic scale-ups to large enterprise and public sector environments. Our Security Practice helps clients stay secure through service capabilities such as Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, Penetration Testing, and Incident Response, and our Security Advisory delivers consulting led projects. We're growing fast and investing heavily in our people, platforms, and capability. If you want to make an impact in a collaborative environment where your development and wellbeing are genuinely valued, you'll fit right in here at Bell.

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