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Level 3 SOC Analyst

Capita


Job Location:

Belfast - UK

Monthly Salary: Not provided by the employer
Posted: 29 September 2026 (Yesterday)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Level 3 SOC Analyst
Hybrid with 2 days in our Belfast office HillView House

As an experienced Senior Cyber Security Operations Analyst you will be responsible for handing security incidents received/escalated from the CSOC Analyst (Tier 1 or Tier 2) and perform a business impact analysis on the security incident.

You will leverage a deep understanding of information security technologies you will aid in triaging threat intelligence from multiple sources and add contextual information to the security incident perform additional analysis and based on the business impact will recommend the response actions and escalation path.

You will be guided by Threat Intelligence which is actionable information (e.g. IOCs/TTPs) conduct threat hunting activities; leveraging and analyzing sources of information as available through the SIEM in addition identify and investigate potential suspicious activity as well as helping organizations identify isolate and contain security issues.

You will support the initial implementation and management of security related technologies including (but not limited to) IBM QRadar Microsoft Sentinel MDE MDI and Defender for Cloud.

Successful candidate must hold - SC-200 Certification

Successful candidate must be eligible for SC clearance

At Capita we live by our values: Customer First Always; Fearless Innovation; Achieve Together; Everyone is Valued. These guide how we work collaborate and deliver exceptional results.

Job title:

Level 3 SOC Analyst

Job Description:

What Youll Be Doing:
Oversee completion of day-to-day checklist(s) including log review management report scheduling & running alert analysis and escalation follow up
Remain current on cyber security trends and intelligence (open source and commercial) in order to guide the security analysis & identification capabilities of the CSOC team
Provide oversight guidance and mentoring to L2 & L3 analysts and fulfil SOC Manager responsibilities in the absence of the SOC Manager
Oversee a number of analysts as part of a virtual team of L1 and L2 analysts including objectives setting performance management / reviews training & development and BAU activities including shift cover etc.
Perform advanced event and incident analysis including baseline establishment and trend analysis.
Support on-call arrangements as part of a Rota to support L1 Analysts working out of hours
Support Major Incident Response activity from a Protective Monitoring perspective including supporting teams in identification containment and remediation of security related threat.
Provide timely advice and guidance on the response action plans for events and incidents based on incident type and severity.
Identify create and implement improvements to procedures and processes with the SOC Managers approval.
Identify opportunities for SOC and client SIEM platform configuration improvements use case development monitoring rule creation tuning & optimization.
Stakeholder and Client Reporting and engagement
Assist in architectural design to facilitate the onboarding of new information systems including the assessment parsing onboarding of log sources and use case and rule development.

What were looking for:
Level 3 SOC Analyst / Senior Cyber Security and security operations experience
Experience of onboarding tuning reporting and configuring SIEM solutions
Experience of threat intelligence
Leadership and mentoring experience and skills
Understanding of low-level concepts including operating systems and networking
Commercial experience in Penetration Testing and / or Security Monitoring
Understanding of networking and infrastructure design
Knowledge/experience of one or more System administration (Linux Windows Mac)
Self-motivated individual with flexible approach to working.
Excellent interpersonal skills with the ability to explain technical problems to non-technical business stakeholders at all levels.
Strong written and oral communication skills
Active or ability to obtain SC clearance

Preferred Qualifications & Experience:
IT Certifications including Network Security
Protective Monitoring / SOC Certifications including CySA
Cyber Security Certifications including CISMP CISSP
Experience with various Microsoft Technologies including Microsoft Defender for Endpoint Identity and Cloud
Experience with SIEM platforms including IBM QRadar Microsoft Sentinel and LogRhythm
In-depth experience with Microsoft Sentinel including use case and rule development workbook / playbook creation KQL & Logic Apps / SOAR
Experience in managing Microsoft Sentinel as an MSSP including Lighthouse and management and multi-customer environments using DevOps

How this aligns to our Values
Customer First Always

We prioritise our customers by delivering effective cyber security monitoring incident response and expert guidance that protects their services and supports their success.
Fearless Innovation
We embrace continuous improvement by identifying new threats enhancing detection capabilities and driving innovative security solutions that strengthen our services.
Achieve Together
We collaborate across teams share knowledge and support one another to deliver outstanding security outcomes and achieve our collective goals.
Everyone is Valued
We foster an inclusive and supportive environment where every colleague is respected empowered to develop and encouraged to contribute their unique perspectives.

Join Capita Where Innovation Meets Opportunity

Capita is a dynamic leader in consulting and digital services helping some of the UKs most recognised organisations transform and thrive. We use cutting-edge technology and fearless innovation to create smarter more efficient solutions that make a real difference. Our work spans diverse sectorsgovernment healthcare education and financeoffering you the chance to contribute to projects that impact millions of lives. At Capita youll be part of a collaborative forward-thinking team that values creativity growth and inclusion.

Were committed to your development and success providing opportunities to learn progress and shape better outcomes for customers and communities. If youre ready to make an impact and grow your career Capita is the place for you. Check out our website

Whats in it for you
Hybrid 2 days office location Belfast HillView House
Competitive salary
23 days holiday rising to 27 (pro rata) plus the option to buy more after qualifying period
Paid volunteering day with a charity of your choice
Generous family leave policies including 15 weeks fully paid maternity adoption and shared parental leave
Cycle2Work scheme pension life assurance and more
Customer first always Fearless innovation Achieve together

Everyone is valued

What we hope youll do next:
Choose Apply now to fill out our short application so that we can find out more about you.
We are committed to building a workforce that reflects the diversity of the communities we serve. As part of our strategic goals we are focused on accelerating gender and ethnic representation in leadership roles. We warmly encourage applications from women and individuals from Black Asian and other ethnic minority backgrounds.
Were an equal opportunity and Disability Confident employer which means we recruit and develop people based on their merit and passion. Were committed to providing an inclusive barrier-free recruitment process and working environment for everyone. If you need the job description or application form in an alternative format (such as large print or audio) or if youd like to discuss other changes or support you might need going forward please email and well get back to you. For more information about equal opportunities and process adjustments please visit the Capita Careers website.

Location:

Belfast

United Kingdom

Time Type:

Full time

Contract Type:

Permanent

Required Experience:

IC


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