Cyber Security Jobs

416 jobs for “Security Operations Specialist”

Results

Hays Technology

IT Security & Infrastructure Engineer

  • Stoke-on-Trent
  • On-site
  • £42,000 – £45,000 pa
  • Senior
  • Permanent

Hands-on role combining cyber-security and infrastructure engineering, monitoring threats, managing vulnerabilities and strengthening controls across identity, endpoint, network, patching and backups. Also provides senior technical expertise in Microsoft 365, Azure, Windows Server, Active Directory, VMware, firewalls and storage, guiding the wider IT team. Based on site five days a week in the Stoke-on-Trent area.

Microsoft 365 · Azure · Windows Server +2

Last week

Hays Technology

Senior Infrastructure Engineer

  • Stoke-on-Trent
  • On-site
  • £42,000 – £45,000 pa
  • Senior
  • Permanent

Hands-on role combining cyber-security and infrastructure engineering, reporting to the Head of IT. You'll monitor and respond to threats, manage identity, endpoint protection, patching and disaster recovery, while supporting Microsoft 365, Azure, Windows Server, Active Directory, VMware, networking and storage. Also provides technical guidance to the wider IT team.

Microsoft 365 · Azure · Windows Server +2

Last week

Barclays

Cryptography Operations Engineer

  • Knutsford
  • Mid-level · manages people

Hands-on engineering role safeguarding encryption keys and cryptographic services across enterprise applications, working with Hardware Security Modules and Thales/Entrust tooling. Involves BAU and 24/7 on-call support, security assessments, penetration testing, and key management across Windows and Linux environments, with occasional off-site data centre work.

Thales · Entrust · SharePoint +5

4 months ago

HSB Technical

Cyber Security Engineer

  • Redhill
  • On-site
  • £50,000 – £52,000 pa
  • Mid-level
  • Permanent

Secures internal and customer networks by managing firewalls, SIEM, IDS/IPS and vulnerability tools, investigating incidents and ensuring ISO27001 and GDPR compliance. Works with IT, Engineering and Compliance teams to protect satellite, maritime and government systems, providing third-line support and documentation.

Cisco Firewalls · Cisco Routers · Cisco Switches +6

SC clearance Last week

QinetiQ

Cyber Security - eDV Required

  • Malvern, England, United Kingdom
  • On-site

Join a team delivering offensive security solutions in real-time operational mission environments, planning and executing advanced red team engagements that simulate real-world attacks. The role involves exploiting vulnerabilities across infrastructure, applications and cloud platforms, bypassing defences such as firewalls, EDRs and IDS/IPS, and developing realistic adversary TTPs. Work is fully on-site at the Malvern facility, focused on defence and national security.

AWS · Azure · GCP +7

eDV clearance 3 weeks ago
CrowdStrike logo

CrowdStrike · 1001–5000 people · Public

CrowdStrike Platform Associate Resident Consultant

  • United Kingdom
  • Remote
  • Junior

Embedded technical advisor partnering with strategic customers to drive adoption, optimization and operational support of the CrowdStrike Falcon platform. Involves deployment, configuration, troubleshooting, scripting with Falcon APIs, and mentoring customer security teams across endpoint, identity and cloud modules.

CrowdStrike Falcon · Windows · Mac +7

Clearance required Last month

Cloudflare

Response Engineer - Cloudflare Managed Defense Center (CMDC)

  • London
  • Mid-level

Acts as primary technical responder for premium enterprise customers, autonomously investigating complex threat telemetry and handling live incident response for volumetric DDoS and application-layer attacks. Implements mitigation across OSI Layers 3, 4 and 7 using Cloudflare's security suite, performs packet and traffic flow analysis, and advises customers during active incidents. Requires 24x7 rotating shifts.

Cloudflare · Magic Transit · Magic Firewall +7

Clearance required 3 weeks ago

CONNECT TALENT GROUP

Cyber Security Lead

  • Alfreton
  • £70,000 – £90,000 pa
  • Lead · manages people

Owns cyber security strategy, governance, risk and resilience across a complex, safety-critical and highly regulated organisation, covering both corporate IT and Operational Technology environments. Leads risk management, incident response, ISO 27001 and NCSC alignment, third-party risk and Board-level assurance, while developing internal capability and reporting KPIs and KRIs to senior management.

ISO 27001 · NIST · Cyber Essentials Plus +6

Yesterday
identifi Global Resources logo

identifi Global Resources · 11–50 people · Series A

Elastic SIEM & SOC Security Engineer/Architect

  • Harrow
  • Remote
  • Senior
  • Permanent

Hands-on architect role at an Elastic partner, designing SOC and SIEM architectures on Elastic/ELK for UK Defence and NATO clients. You own the architecture with the client and stay close to delivery, supporting greenfield builds and recovering existing environments alongside a team of 30+ SMEs, mostly working remotely with occasional client-site visits.

Elastic · ELK · Elasticsearch +4

DV clearance Last week

E.ON

Cyber Security Specialist

  • Nottingham
  • Hybrid
  • £72,277 – £86,060 pa
  • Senior
  • Permanent

Owns cyber security compliance across PCI-DSS, the Smart Energy Code, Retail Energy Code and ITGC, managing external audits end-to-end. Leads protective monitoring with SOC/CERT and managed service providers, vulnerability management and penetration testing, and incident response up to Board level. Also mentors junior colleagues and supports DevSecOps teams with threat assessments and IaC reviews.

Splunk · Microsoft Sentinel · Qualys +7

2 days ago
HAYS Specialist Recruitment logo

HAYS Specialist Recruitment · 1001–5000 people · Public

Security Architect

  • London
  • £90,000 – £110,000 pa
  • Senior
  • Permanent

Hands-on security architecture role across cloud, applications, APIs and infrastructure, with responsibility for PCI DSS 4.0 compliance, audit evidence and SOC 2 governance. Works closely with engineering, platform and product teams in a predominantly GCP and Kubernetes/GKE environment to drive DevSecOps and shift-left practices and reduce security debt.

GCP · GKE · AWS +5

2 days ago

Morson Edge

Cyber Security Assurance Consultant

  • 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

SC clearance Last week

Morson Edge

Cyber Security Assurance Consultant

  • Warrington
  • Hybrid
  • £85 ph
  • Senior
  • Contract · Part time

Assess technical security controls and cyber risk across complex OT and Cloud environments, working with technical teams, architects and risk owners. The role centres on NCSC CAF, Cyber Essentials Plus, ISO 27001/27005 and NIST frameworks, covering third-party assurance and internal/external audits. It is a 12-month contract requiring one day a week travel to the North West.

NCSC Cyber Assessment Framework · Cyber Essentials · Cyber Essentials Plus +3

3 weeks ago

TÜV Rheinland Group

OT Cyber Security Consultant

  • Moore, United States
  • Hybrid
  • Senior · manages people

Lead delivery of OT cybersecurity consultancy for high-hazard sectors, managing site audits, compliance assessments, vulnerability analyses and risk assessments. Build CSMS aligned to IEC 62443, CAF, OG86 and NIS, advise clients on roadmaps, mentor junior staff and drive business development. Hybrid role with UK travel.

Microsoft Office Suite

2 weeks ago

Real

Security, Identity & Cloud Expert

  • Devon
  • £600 pd
  • Mid-level
  • Contract

Hands-on operational support for identity and access management in a busy Higher Education IT team, covering Active Directory and Microsoft Entra ID. Day-to-day work includes user lifecycle management, group memberships and permissions, troubleshooting identity incidents, and cloud authentication administration, freeing senior specialists for project delivery.

Active Directory · Microsoft Entra ID · Azure AD +2

2 weeks ago

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