Security Jobs in United Kingdom

Senior Splunk and DLP Security Engineer

New UKSenior

Senior security engineer role focused on optimising data loss prevention (DLP) monitoring, alerting and reporting within Splunk and the wider DLP toolset. Day to day you develop advanced Splunk searches, correlate multiple DLP data sources, tune detection logic to reduce false positives, and build actionable dashboards and alerts.

Junior Cyber Security Specialist

New UKJunior

A junior cyber security role at a North East software business in Gateshead: day-to-day work covers security monitoring, investigating suspicious events, reviewing security logs, supporting vulnerability management and endpoint security administration, while developing industry skills.

Huntress

Security Operations Analyst- UK

Open 64d RemoteUK

Active Directory AI AWS Azure Bash +14 skills

Monitor and respond to cybersecurity threats by triaging alerts, analyzing EDR telemetry, and investigating malware or suspicious activity across Windows, Linux, and MacOS environments.

62K – 71K £

Endeavour Recruitment

Head of Information Security

New UKC-level

Head of Information Security role in Central London (hybrid, 2 days onsite) leading security for an established international organisation with a complex technology environment, focused on protecting systems, data and intellectual property. Salary up to £125,000 depending on experience.

Security Analyst

Open 1d UKFull-time

A hybrid security analyst role in Belfast analysing enterprise web traffic to detect and mitigate automated bot attacks, handling customer-facing incident response and delivering reports in a follow-the-sun EMEA team. Core tools: SQL, Tableau/Looker, and scripting in Python, Bash, or Go.

Junior Security Analyst (Basingstoke)

New UKJunior

Cloud Corrective Action Gdpr ISO 27001 Nist +1 skills

Junior Security Analyst in Basingstoke supporting InfoSum's IT Security team: monitoring threats, assisting risk assessments and audits, maintaining compliance with ISO 27001/NIST/GDPR, and aiding incident response. A hybrid role (~4 days/week in office) suited to someone with 1-2 years of infosec or IT experience.

BAE Systems

Information Security Incident and Risk Manager

ISO 27001 Jira Nist Risk Assessment SharePoint

Leads management of information security incidents and cyber risk at BAE Systems (Portsmouth Naval Base, hybrid/remote with occasional site travel). Owns the security risk register, coordinates incident response, runs tabletop exercises, and advises on compliance with frameworks like ISO 27001, NIST, and UK DEF STANs/DEF CONs.

BAE Systems

Information Security Consultant

Incident Investigation ISO 27001 Nist

An information security consultant at BAE Systems' Portsmouth Naval Base (remote working available with occasional site travel) who develops and maintains Security Operating Procedures, leads security improvement projects, runs assurance and risk assessments, and advises on travel security in line with MOD and UK government standards such as ISO 27001, NIST 800-53 and DEFSTANs.

Advanced Resource Managers Limited

New HybridUKFull-timeLead

Lead Security Architect Leeds | Permanent | Hybrid Working | Up to £82,000 An influential UK Financial Services organisation is seeking a Lead Security Architect to play a key role in shaping and delivering its cyber…

Client Server Limited

Python Cyber Security Software Engineer

AI AWS Azure Cloud C++ +6 skills

Salary: £40,000 - 70,000 per year Requirements Advanced Python and backend software engineering experience Advanced problem-solving and critical-thinking skills Interest in learning and adopting new technologies…

Client Server

Python Software Engineer Cyber Security

New HybridUK

AI AWS Azure C++ Cybersecurity +4 skills

Overview In this Python Software Engineer role, you will help build a Greenfield AI cybersecurity product within the R&D team. You’ll mainly develop backend services in Python while evaluating Rust and other…

Client Server Limited

Python Software Engineer Cyber Security

Python Software Engineer / Developer London / WFH to GBP80k Do you have strong backend Python software development experience? You could be progressing your career at the world's most advanced cybersecurity…

AI Cybersecurity Python

HKEX Group

Senior Software Engineer – Java/Python, DevSecOps

New UKSenior

HKEX Group in London is seeking a Senior Engineer to design and implement complex software solutions in a fast-paced, regulated environment. You will liaise with analysts, owners, and architects to translate…

Junior Network Security Support Engineer FTC

Open 25d HybridUKJunior

API BGP Cisco Cloud DHCP +13 skills

Start: Immediately Location: London HQ (Liverpool St.) Hybrid Working: (2-3 days in the office) Salary: Competitive + Overtime & Benefits 6 Months FTC About Kerv Connected Cloud You’ll be part of the Network…

Wolters Kluwer

Principal Engineer, Identity and Access Management

New UKPrincipal

Agentic AI AI API Authentication Cloud +3 skills

Lead the design and engineering of a cloud-agnostic Identity and Authorization Platform that secures users, services, APIs, AI agents, and data across a multi-tenant SaaS platform. Unlike traditional IAM roles, this…