Cyber Security Jobs

• Romania
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production operations. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain.

AWS · GCP · EC2 +3

• United Kingdom
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain and improve.

AWS · GCP · EC2 +3

• London
• Hybrid
• Lead
• Contract

Lead enterprise cloud architecture across GCP and/or AWS, designing secure landing zones, IAM hierarchies and microservices, plus deterministic AI safety controls and perimeter defence. The role also covers systems integration, API layers and architectural governance, including Technical Design Authority approvals and NCSC-aligned assurance within UK central government.

GCP · AWS · VPC Service Controls +4

• United Kingdom
• Remote
• £65,000 – £75,000 pa
• Mid-level
• Permanent

A security engineering role focused on detection and automation within a CSOC, building SOAR playbooks and SIEM content to improve threat detection and response. The position involves tuning and enriching alerts across security tools, developing automations with Azure Functions and Logic Apps, and using KQL, Python and PowerShell. It is primarily remote with occasional visits to a Midlands head office.

Azure · AWS · Microsoft 365 +1

• London
• Hybrid · 3 days in office
• £50,000 – £60,000 pa
• Mid-level

Own a cloud-first Microsoft Azure environment for a growing London SaaS business, covering security, reliability and cost-effectiveness. Manage Microsoft 365, identity and internal IT while supporting product engineers and working with compliance colleagues and an external MSP. AI tools, scripting and automation are actively encouraged.

Microsoft Azure · Microsoft 365 · Entra ID +4

• Exeter
• £21,805 pa
• Entry level
• Contract

A PhD project investigating end-to-end guarantees for security systems by verifying translations between programs and the representations used by security protocols. The work centres on Isabelle/HOL, developing semantic models and compilation techniques, with zero-knowledge proof systems such as STARK-style protocols as a key application area. It spans formal methods, programming languages, cybersecurity and cryptography, with scope to shape the direction around the student's interests.

Isabelle/HOL · STARK

• Liverpool
• Hybrid
• £60,000 – £65,000 pa
• Senior
• Contract

Act as the escalation point for an external MSSP, investigating and responding to security incidents and performing detailed event analysis to identify threats. Drive hands-on remediation, detection engineering, and security reviews across cloud and enterprise collaboration environments, using frameworks like MITRE ATT&CK. A one-year fixed-term contract with strong extension potential, hybrid across Liverpool, Glasgow, or London.

MITRE ATT&CK

• Birmingham
• £600 – £601 pd
• Senior

Designs secure Azure architectures and embeds security controls into cloud environments, working hands-on with engineering and application teams. Produces target-state roadmaps, hardened configuration standards and threat models, and leads through influence across security, development and senior stakeholders. Requires deep Azure security architecture expertise plus ARM templates and Terraform.

Azure · AWS · GCP +7

• Manchester
• Hybrid · 1 day in office
• £630 pd
• Senior
• Contract

Lead cyber assurance activities across complex OT and cloud environments, assessing controls against NCSC CAF, NIST and ISO standards and running internal and external audits. Work with architects, engineering teams and risk owners to embed risk governance and challenge technical decisions on critical infrastructure. A 12-month engagement on a major cyber transformation programme.

Azure · AWS · GCP +5

• St. Neots
• Hybrid
• £40,000 – £50,000 pa
• Permanent

Deliver Cyber Essentials and Cyber Essentials Plus assessments and lead smaller assurance engagements such as Defence Cyber Certification, reviewing technical and documentary evidence against frameworks including NIST CSF and ISO 27001. The role also involves monitoring security tooling, supporting vulnerability assessments and pen testing, and helping customers close identified security gaps within a collaborative cyber assurance team.

Cyber Essentials · Cyber Essentials Plus · Defence Cyber Certification +5

• Reading
• Hybrid
• £60 – £70 ph
• Lead
• Contract

Lead the design and implementation of secure OT/ICS cybersecurity architectures, conduct risk assessments and assurance activities, and apply frameworks such as IEC 62443, NCSC CAF, NIS Regulations and ONR SAPs. Provide technical leadership across critical national infrastructure, nuclear and defence programmes, engaging senior stakeholders and regulatory bodies, with some bid and client relationship work.

IEC 62443 · NCSC Cyber Assessment Framework · NIS Regulations +1

• Filton
• Hybrid
• £45,000 – £55,000 pa
• Senior

Join a defence and security organisation's Cyber Operations team to test security controls, validate SOC detection capabilities and uncover vulnerabilities before exploitation. You'll support Red Team exercises, conduct infrastructure and web application testing, produce risk reports and brief stakeholders, working alongside Threat Intelligence and Incident Response specialists.

Kali Linux · Parrot OS · Active Directory +7

• Manchester
• Hybrid · 1 day in office
• £70,000 – £75,000 pa
• Mid-level

Hands-on security engineering role focused on Microsoft security platforms, including Defender XDR, Sentinel, Purview, Defender for Cloud and Entra. You will build security monitoring, telemetry and SOAR automation, investigate incidents and embed controls into cloud and development processes alongside security, cloud and engineering teams.

Microsoft Defender XDR · Microsoft Sentinel · Microsoft Purview +5

• Royston
• £58,000 – £60,000 pa
• Senior

Owns AI security initiatives within a Cyber Security and Compliance team, evaluating and integrating AI security tooling and defending against threats such as prompt injection, data leakage and model poisoning. Also builds AI-driven detection, vulnerability management and incident response capabilities, running threat modelling and adversarial testing of AI systems alongside stakeholders.

Python · OWASP Top 10 for LLM Applications · MITRE ATLAS +1

• Sheffield
• Hybrid
• £50,000 – £60,000 pa
• Permanent

Consultants lead clients through implementing, certifying and continually improving ISO management systems across quality, environmental, health & safety and information security. The role blends home and Sheffield office work with significant on-site client engagement across the UK, including internal audits, management reviews and certification body liaison, plus cross-selling services and occasional overnight stays.

IRCA