Security Engineer Jobs

Design and implement the systems that keep digital assets safe. A role that combines technical expertise with a deep understanding of security principles.

Open roles
80
Salary range
£35k – £90k
Hiring companies
40

Security Engineers are the guardians of an organisation's digital infrastructure. They design, build, and maintain the systems that protect against cyber threats, ensuring that data remains secure and systems operate smoothly. This role is critical in a world where cyber attacks are becoming increasingly sophisticated and frequent. Security Engineers work across various sectors, from financial institutions and government agencies to tech companies and healthcare providers.

What the role does

Inside the role of a Security Engineer

A typical week for a Security Engineer is a mix of proactive and reactive tasks, balancing the development of new security measures with the response to emerging threats.

  1. 01
    Conduct security assessments and vulnerability scans.
  2. 02
    Develop and implement security policies and procedures.
  3. 03
    Monitor systems for suspicious activity and respond to incidents.
  4. 04
    Collaborate with development teams to integrate security into software.
  5. 05
    Stay updated on the latest security trends and threats.
  6. 06
    Document security processes and compliance requirements.
Salary on the board

£35k – £90k

Based on advertised midpoints across the 216 UK listings priced in pounds in the last 12 months. Base salary only.

Salary visibility
46% of listings advertise a salary — up from 0% the year before.
By seniority
£k base
Mid
33
75
106 jobs
Senior
50
100
57 jobs
Lead
62
125
7 jobs
Skills & tools

What hiring managers ask for

% of 254 listings posted in the last 12 months that mention each skill, extracted from job descriptions.

SIEM
30%
Cloud Security
30%
Vulnerability Management
28%
Incident Response
21%
Azure
19%
Python
16%
AWS
16%
Cyber Security
15%
Network Security
15%
Microsoft Defender
14%
DevSecOps
14%
PowerShell
13%
Career ladder

From Junior to Principal

A typical UK progression for security engineers. Years are guidance — strong people move faster, and many senior folks sidestep into research, product or management.

  1. Level 1

    Junior Security Engineer

    0–2 yrs

    Assist in the implementation of security measures and learn the fundamentals of security engineering.

  2. Level 2

    Security Engineer

    2–5 yrs

    Take ownership of specific security projects and contribute to the development of security policies.

  3. Level 3

    Senior Security Engineer

    5–8 yrs

    Lead security initiatives, mentor junior team members, and ensure compliance with industry standards.

  4. Level 4

    Principal Security Engineer

    8+ yrs

    Strategise and oversee the organisation's overall security posture, driving innovation and best practices.

Pathway

How to become a Security Engineer

There's no single route, but most people follow some version of these steps.

  1. 1

    Gain foundational knowledge

    Start with a strong understanding of computer science and network security principles.

  2. 2

    Obtain relevant certifications

    Pursue certifications such as CISSP, CEH, or OSCP to validate your skills and knowledge.

  3. 3

    Build practical experience

    Gain hands-on experience through internships, entry-level roles, or personal projects.

  4. 4

    Specialise in a security domain

    Focus on a specific area like penetration testing, incident response, or security architecture.

  5. 5

    Lead security projects

    Take on leadership roles, managing security initiatives and mentoring junior engineers.

  6. 6

    Advise on strategic security

    Provide strategic guidance on security policies and best practices at the organisational level.

Live jobs

80 live roles

See all 80 roles →

Security Engineer

3 weeks ago

CPS Group Cardiff £40,000 – £45,000 pa

Client-facing technical role in a Microsoft-focused security partner's Cyber Security Delivery Team, acting as a trusted point of contact for customers. Day to day involves tuning Defender and Entra controls, building KQL detections in Microsoft Sentinel, running phishing simulations and vulnerability scans, and supporting incident response and reporting.

Hybrid

Security Engineer

Last week

MUFG Pension & Market Services United Kingdom

Joins the Information Security Service Delivery team to assess, design, configure and integrate security technology controls, acting as a technical escalation point for security concepts. Works hands-on with Zscaler, Okta, Crowdstrike, cloud and endpoint security, threat modelling and security architecture frameworks, ensuring designs meet policies and regulatory requirements.

Hybrid

Security engineer

Last month

TRIA Cardiff £45,000 – £50,000 pa

Hands-on engineering role in a Microsoft security partner's Security Operations team, building and tuning Sentinel detection rules with KQL and configuring Defender XDR and Microsoft 365 controls. Involves automation playbooks via Azure Logic Apps, vulnerability scanning and phishing simulations, DevOps/CI-CD work, and escalation-focused incident response rather than routine alert monitoring.

Hybrid Permanent Clearance Required

Security Engineer

3 weeks ago

CV-Library Fleet

Owns day-to-day security alerting, investigations and incident response across a cloud-native microservice platform and internal IT estate, directing a Platform Ops team on remediation. Manages SIEM, endpoint and Microsoft 365 security tooling, vulnerability management, IAM and penetration testing engagements, while maintaining ISO 27001 documentation and UK GDPR compliance.

Hybrid

Security Engineer

5 months ago

eFinancialCareers London

Engineer, operate and optimise Microsoft Sentinel across one or more Log Analytics workspaces, owning platform health, ingestion pipelines, normalisation and enrichment. Build and maintain log onboarding from cloud, on-prem, SaaS and security tools, and integrate the SIEM with EDR, SOAR, threat intel and ITSM platforms. Also supports M&A onboarding of acquired environments into the enterprise SIEM.

On-site Permanent

Security Engineer II, AWS Security Incident Response

Last week

Amazon Manchester

Monitors networks and systems for threats, triages security alerts and leads incident response using AWS technologies and services at massive scale. Contributes to security automation and posture improvements, tracks detective controls like GuardDuty, CrowdStrike Falcon and Wiz Defend, and requires periodic on-call including weekends.

Permanent Clearance Required

Security Engineer, SDO AppSec

5 months ago

Amazon London

Application security engineer role focused on security reviews, secure architecture design, threat modeling, and security guidance for internal development teams. Distinct for automating and enhancing security review processes using AI agents, LLMs, and generative AI tooling, alongside security metrics and training outreach.

On-site Permanent

Security Design Engineer

2 weeks ago

TEKsystems London

Bridges traditional network security and modern cloud-native application architecture for a Tier 1 bank's security transformation. Designs Zero Trust, segmentation and micro-segmentation controls, with a key focus on Service Mesh (Istio, Envoy) and securing microservices, APIs and containerised workloads. Works closely with network, platform and software-engineering teams, producing HLDs, LLDs and security design patterns.

Contract
FAQs

Common questions

  • Essential skills include a strong foundation in computer science, knowledge of security protocols, and proficiency in programming languages like Python and C++.

  • Certifications such as CISSP, CEH, and OSCP are highly valued and can significantly enhance your career prospects.

  • Security Engineers stay updated by following industry news, attending conferences, and participating in online forums and communities.

  • Security Engineers often work in office settings, but many roles offer remote or hybrid work options, depending on the organisation's policies.

  • Salary ranges can vary widely based on experience, location, and industry. For more detailed information, refer to the salary section on this page.

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