Cyber Security Jobs

408 jobs for “Network Security Researcher”

Results

CrowdStrike logo

CrowdStrike · 1001–5000 people · Public

Sr. Data Scientist Lead

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  • Ireland
  • Remote
  • Lead · manages people

Leads a team of three data scientists at the intersection of machine learning, big data and cybersecurity, setting technical standards and strategy for threat detection and agentic AI systems. Drives ML projects from research through production deployment, partnering with security research, engineering and product teams, while mentoring staff and contributing hands-on technical work.

AWS · Linux

2 weeks ago
CrowdStrike logo

CrowdStrike · 1001–5000 people · Public

Sr. Manager, Data Science

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  • United Kingdom
  • Remote
  • Senior · manages people

Lead a team of data scientists applying machine learning, large language models and reverse engineering to cybersecurity problems at massive scale, handling trillions of events daily. The role blends technical leadership, roadmap planning and stakeholder alignment with hands-on work on malware detection and threat analysis.

AWS · Linux

3 months ago

ITOL Recruit

Trainee Information Security Operations Analyst

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  • London
  • Remote
  • £28,000 – £40,000 pa
  • Entry level

A self-funded training programme leading to a trainee cyber security operations role, combining online CompTIA A+, Network+ and Security+ certification with live labs and hands-on real-world security scenarios. Includes CV, LinkedIn and interview support plus dedicated recruitment help until placement, with no prior experience required.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +1

Last week

ITOL Recruit

Trainee Information Security Operations Analyst

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  • Leicester
  • £28,000 – £40,000 pa
  • Entry level

A self-funded training programme leading to a trainee information security operations analyst role, combining online CompTIA A+, Network+ and Security+ certification study with live labs and hands-on cyber security scenarios. Includes CV, LinkedIn and interview support plus dedicated recruitment help until placement, with no prior experience required.

CompTIA A+ · CompTIA Network+ · CompTIA Security+

Last week
Entrust logo

Entrust · 501–1000 people · Late stage

Senior Software Test Engineer

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  • Paris, France
  • On-site
  • Senior

Owns planning, coordination and execution of test and quality activities within a cross-functional Identity Verification product team, covering web, mobile, backend and ML-powered products. Builds maintainable automated test frameworks and suites, mentors colleagues, and leads test engineering initiatives across teams, combining automation with exploratory testing.

Playwright · Cypress · Selenium +12

3 months ago
Entrust logo

Entrust · 501–1000 people · Late stage

Senior Software Test Engineer

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  • London
  • On-site
  • Senior

Owns test planning, coordination and execution within a cross-functional identity verification product team, covering web, mobile, backend and ML-powered journeys. Builds maintainable automated test frameworks, combines automation with exploratory testing, and mentors colleagues while improving CI/CD pipelines and release feedback loops.

Playwright · Cypress · Selenium +12

3 months ago

Exposed Solutions

3rd Line Support engineer

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  • London
  • Hybrid
  • £50,000 – £55,000 pa

Solutions Engineer – Infrastructure & 3rd Line - HybridLondon | Hybrid Working | Managed IT ServicesOur client is a fast-growing Managed IT Services Provider specialising in the creative industry, supporting more than 5,000 users across 100+ businesses from its London…

3 weeks ago

Randstad Technologies Recruitment

Technical CISO Lead

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  • London
  • Hybrid · 3 days in office
  • £349 – £465 pd
  • Lead
  • Contract

Lead end-to-end AI and cyber security transformation embedded within technology teams, acting as SME on AI frameworks and defining guardrails as capabilities evolve. Design secure-by-default hybrid and cloud architectures aligned to NIST and ISO 27001, drive automation across IAM, network, endpoint and data security, and translate technical risk for C-suite stakeholders.

NIST · ISO 27001

2 weeks ago

TRIA

Major Incident Manager

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  • Sheffield
  • Hybrid · 2–3 days in office
  • £500 – £600 pd
  • Senior
  • Contract

Lead the response to high-severity IT incidents across network, infrastructure, cloud and security environments, coordinating technical teams, suppliers and stakeholders to restore services within agreed targets. The role involves chairing incident and crisis calls, post-incident reviews, root cause analysis, ITIL processes, disaster recovery and business continuity planning, plus executive reporting and on-call duties.

Cisco · VMware · ServiceNow +3

Last month

Michael Page

Senior Infrastructure Lead

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  • Manchester
  • Hybrid
  • £60,000 – £70,000 pa
  • Lead

Owns the Group's infrastructure estate across Microsoft 365, Azure, networks, security and end-user services, defining the technology roadmap and leading modernisation and transformation initiatives. Acts as primary technical owner of the MSP and key suppliers, driving resilience, identity and endpoint security, and multi-site networking. Hybrid role in Manchester within a growing property investment business.

Microsoft 365 · Azure · Entra ID +7

Last month

Elmdale IT Services Ltd

IT Support Engineer – Level 1/2

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  • Reading
  • On-site
  • £30,000 – £35,000 pa
  • Mid-level

Provide first and second line support remotely and onsite for a managed service provider, owning tickets in Autotask and troubleshooting Windows, Microsoft 365, printers and connectivity. Alongside helpdesk duties you assist with client installations, school projects and wireless networking work, developing skills in Intune, Ekahau surveys and 3CX telephony.

Autotask · IT Glue · Intune +7

5 days ago

Premier Foods

Controls Engineer

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  • Lifton
  • £57,000 pa

Supporting the control systems behind food processing, filling and packaging equipment at the Ambrosia Creamery, diagnosing PLC, HMI, SCADA and industrial network faults and driving continuous improvement projects. The site standard is Siemens, with S5 and S7 PLCs and TIA Portal, and the role also covers commissioning, FAT/SAT, obsolescence planning and OT cyber security.

Siemens S5 · Siemens S7 · TIA Portal +2

5 days ago

Michael Page Business Support

Desktop Support Analyst

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  • Nottinghamshire
  • Hybrid
  • £35,000 – £45,000 pa
  • Permanent

Provide first-line support for hardware, software and network issues, install and maintain desktop systems, manage IT equipment inventory and document support procedures. Work with the technology team on upgrades and support remote users with connectivity and access, with one day a week working from home.

Microsoft Defender

3 weeks ago

Adecco · 10000+ people · Public

ICT Digital Delivery Manager

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  • Exeter
  • Hybrid
  • £500 pd
  • Mid-level · manages people
  • Temporary

Lead digital delivery for ICT services across a police strategic alliance, managing small teams that hold managed service providers and suppliers to account for hosting, networks, telephony, mobile and cyber security. Oversee SLAs, capacity planning, change management and ITIL-aligned service delivery, with hybrid working from Exeter and Winfrith.

Azure · Airwave

Last month

Oscar Technology

Solutions Architect

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  • London
  • £85,000 – £95,000 pa
  • Senior

Lead the design of secure, scalable solutions across Microsoft Azure, translating business requirements into high-level and low-level architecture designs. The role covers cloud migration, system integration, API-led connectivity, networking and Infrastructure as Code, working alongside engineering, infrastructure and security teams to provide architectural oversight through delivery.

Microsoft Azure · Terraform · Bicep +7

Yesterday

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