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Location: Hybrid working with a flexible base at Kings Hill
Salary/package: £38,000 per annum
Contract type: Permanent
Hours: Full time, 37 hours per week

Are you passionate about cybersecurity and ready to take your career to the next level? We’re looking for a proactive and skilled Cyber Security Analyst to join Cantium, part of Commercial Services Group (CSG). You’ll play a critical role in identifying, mitigating, and responding to cyber threats across our infrastructure and client base. If you thrive in fast-paced, collaborative environments and want to be part of a team making a tangible impact, this is the role for you.

Who we are

Cantium Business Solutions is a specialist IT and back-office services provider, proudly part of CSG. We work with public sector organisations, schools, and commercial clients to deliver high-impact services across IT strategy, cyber security, cloud, and project management. As part of the UK’s largest local authority-owned trading company, Cantium supports vital infrastructure that enables frontline services to thrive.

Commercial Services Group (CSG) is the UK’s largest local authority-owned trading company (LATCO), with over 1,800 employees and operations in more than 86 countries. CSG delivers critical services across 33 trading businesses, with specialisms in IT, HR, energy, education, legal, procurement, and more.

Why this role matters

Cyber threats are evolving rapidly, and our ability to defend, detect and respond is vital to our business and our customers. As a Cyber Security Analyst, you’ll be instrumental in monitoring our systems, leading incident responses, and collaborating with internal teams to ensure security standards are met and exceeded. This is a pivotal role at the heart of Cantium’s cyber defence strategy.

What you’ll be doing

Responding to security alerts, incidents and events, ensuring risks are assessed and mitigated quickly

Leading investigations into cybersecurity incidents, coordinating incident recovery and analysing threats

Triage and escalation of high-priority security events according to internal protocols

Utilising Microsoft security tools including E5, Sentinel, Defender for Endpoint, and Defender for Identity

Working with advanced threat detection platforms such as Darktrace

Participating in an enterprise-level Security Operations Centre (SOC) or Computer Security Incident Response Team (CSIRT) environment, including on-call support

Maintaining and improving incident response processes and documentation

Supporting vulnerability monitoring and management activities

Assisting in threat modelling, penetration testing coordination, and cloud security oversight

Collaborating with teams to ensure compliance with GDPR and other data protection regulations

Contributing to Cantium’s broader security strategy and supporting junior team members
What we’re looking for

2–5 years' experience in a Cyber Security Analyst or equivalent role within a SOC or security-focused team

Hands-on knowledge of Microsoft security solutions and modern threat detection tools

Experience with incident response, malware analysis, and threat intelligence practices

Understanding of security best practices across cloud and on-premise environments

Strong communication and documentation skills; able to explain complex issues clearly

Collaborative and adaptable, with experience working across different teams

Desirable: Relevant certifications such as CISSP, CEH, GIAC, or CompTIA Security+
What you’ll get in return

Salary of £38,000 per annum

25 days annual leave plus bank holidays and your birthday off

An additional day off at Christmas

Pension scheme with 6% employer contribution

Life assurance cover (4x salary)

Access to a comprehensive wellbeing programme

Discount schemes for retail, gym memberships, and more

Health cash plan and cycle-to-work scheme

Flexible hybrid working options and a culture that supports work-life balance

Learning and development opportunities to grow your career in cyber security
Why CSG?

CSG is a purpose-driven organisation generating over £800 million in revenue annually. With rapid expansion and annual growth of around 25%, we’re investing heavily in innovation, technology, and people. We’ve returned over £77 million to the public sector through our social value model, combining commercial excellence with real-world impact.

Joining Cantium at CSG means becoming part of a growing, dynamic team with a clear mission empowering public sector transformation through technology and secure service delivery.

Inclusion & Accessibility

We are committed to fostering a diverse and inclusive workplace where everyone feels valued and respected. We welcome applications from candidates of all backgrounds and provide reasonable adjustments throughout our recruitment and interview process. Please let us know if there is anything we can do to support you