16 of 16 Senior Security Engineer Jobs in London

Senior Security Engineer (Defender, PurView, Sentinel)

Hiring Organisation
InvitISE Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
looking for a Senior Security Engineer for our growing, prestigious client in the data sector, based in London, on an initial 3 - 6 month contract basis paying £500 per day Outside IR35. This role offers hybrid working with an expectation to be in the office 3 days … week. You’ll be joining a technical team focused on strengthening cloud security and ensuring compliance across Microsoft Azure environments. This role will involve hands-on security engineering, working closely with infrastructure and DevOps teams, and supporting the adoption of Microsoft’s security toolset across the organisation. ...

Senior Security Engineer (Defender, PurView, Sentinel)

Hiring Organisation
Invitise
Location
EC1A, Clerkenwell, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
looking for a Senior Security Engineer for our client in the data sector, based in London, on an initial 3 to 6 month contract paying up to £500 per day Outside IR35. This role offers hybrid working with an expectation to attend the office 3 days … week. You will focus on hands-on remediation across Azure and endpoint environments, improving Defender for Cloud findings, closing vulnerabilities, and strengthening security posture. The role is delivery-led and ideal for someone who enjoys fixing issues rather than only advising. The successful Senior Security Engineer ...

Senior Security Engineer Cloud SaaS

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Senior Security Engineer (Cloud SaaS AWS GCP) London/WFH to £130k Are you a cloud security technologist looking for an opportunity to progress your career in a senior, hands-on role within a collaborative, diverse team environment? You could be joining a fast-growing … backed multi-product technology company. As a Senior Security Engineer you'll design and implement robust, forward-thinking security strategies, policies and procedures to safeguard the business' systems, networks and data, collaborating as part of the wider platform engineering team with a focus on cloud security ...

Senior Security Engineer

Hiring Organisation
TRIA
Location
City of London, London, United Kingdom
Senior Security Engineer Focus: Cloud First/Zero Trust/Azure/Identity Management/Security Principles Salary: £90,000 + 20% Bonus + 20% Pension Location: Central London – Hybrid Join a prestigious, family-run financial organisation embarking on a large-scale digital transformation. With around … across the business while making a significant impact. The organisation has recently completed an enterprise-wide migration from on-premise to Azure Cloud. As Senior Security Engineer, you’ll be the third hire in a growing security team. This is a broad role covering all aspects ...

Senior Security Engineer

Hiring Organisation
TRIA
Location
London Area, United Kingdom
Senior Security Engineer Focus: Cloud First/Zero Trust/Azure/Identity Management/Security Principles Salary: £90,000 + 20% Bonus + 20% Pension Location: Central London – Hybrid Join a prestigious, family-run financial organisation embarking on a large-scale digital transformation. With around … across the business while making a significant impact. The organisation has recently completed an enterprise-wide migration from on-premise to Azure Cloud. As Senior Security Engineer, you’ll be the third hire in a growing security team. This is a broad role covering all aspects ...

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
London, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people who enhance team ...

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
South London, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people who enhance team ...

Senior Cloud Security Engineer Kubernetes

Hiring Organisation
Broster Buchanan
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £120,000 per annum
Senior Cloud Security Engineer KUBERNETES expert REMOTE Senior Cloud Security Engineer - KUBERNETESREMOTEPermanent Our client has revolutionised the world of payments with their cutting-edge technology and innovative solutions. You will join a team of defensive security engineers directly maintaining and expanding security … team. The team report into the CISO and work alongside the other functional pillars of InfoSec. Role You will build and run defensive security controls for highly-available multi-cloud payment systems running the latest technology. You will understand current threats, exploitation paths and risk tradeoffs in order ...

Senior Application Security Engineer

Hiring Organisation
Nextech Group Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Title: Senior Application Security Engineer Salary: £70,000 Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers … business that values expertise, agility, and doing the right thing - where everyone has the opportunity to make a genuine impact. About the Role The Senior Application Security Engineer will play a key role in protecting the organisation's infrastructure, cloud platforms, and applications. Working within a highly ...

Senior Security Engineer - SIEM, KQL

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
Security Engineer - SIEM, KQL- sought by investment bank based in London. *Inside IR35 - 3 days a week on-site** Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance … Detection & Use Case Development: Develop and refine detection rules based on threat intelligence and attack patterns Continuously improve detection efficacy and reduce false positives Security Monitoring & Incident Response: Monitor systems for anomalies and malicious activity Contribute to threat hunting and incident response playbooks Provide expert guidance on securing applications ...

Senior Cloud Security Engineer

Hiring Organisation
Cint
Location
London, England, United Kingdom
opinions, motivations, and behaviours. We are feeding the world’s curiosity! Job Description Our vision for the role We are searching for an experienced Senior Cloud Infrastructure Security Engineer with an unquenchable thirst for automation and a passion for DevSecOps methodology. You'll be working with … everything we deploy via Grafana, Prometheus, Graphite and ELK stacks. You will be someone that shares our values and ambitions and can bring security best practices and specific cloud security expertise to the party. You will additionally be the kind of person that is energised by complex challenges ...

Senior Windows Security Engineer | Technology-Driven Quantitative Trading Firm

Hiring Organisation
Techfellow Limited
Location
City of London, London, United Kingdom
c. £325k Comp Package | Hybrid Working] Role Overview We’re representing a leading global trading and technology firm seeking a Senior Windows Security Engineer to take ownership of the security posture across its Windows systems environment. Sitting within the broader Windows Engineering group, this position plays … role in safeguarding the firm’s critical infrastructure and ensuring secure, resilient operations across a global technology platform. This is a newly created senior role - ideal for an experienced engineer who brings both depth and judgment to Windows platform security. You’ll be responsible for designing and implementing ...

Senior Windows Security Engineer | Technology-Driven Quantitative Trading Firm

Hiring Organisation
Techfellow Limited
Location
London Area, United Kingdom
c. £325k Comp Package | Hybrid Working] Role Overview We’re representing a leading global trading and technology firm seeking a Senior Windows Security Engineer to take ownership of the security posture across its Windows systems environment. Sitting within the broader Windows Engineering group, this position plays … role in safeguarding the firm’s critical infrastructure and ensuring secure, resilient operations across a global technology platform. This is a newly created senior role - ideal for an experienced engineer who brings both depth and judgment to Windows platform security. You’ll be responsible for designing and implementing ...

Senior Application Security Engineer

Hiring Organisation
Nextech Group Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Title: Senior Application Security Engineer Salary: £70,000 Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers ...

Senior Cloud Security Engineer

Hiring Organisation
The Fortune Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Fortune Group our recruiting for a highly skilled Senior Cloud Security Engineer to join our team on-site with a key client. This role is hands-on, client-facing, and requires deep technical expertise combined with excellent communication skills. You’ll work closely with the Solutions Architect … deliver secure, scalable cloud solutions that meet business and compliance requirements. What You’ll Do Lead Microsoft Cloud security projects, including detailed design, configuration, and optimization of Azure, Microsoft 365, and hybrid environments. Integrate SaaS solutions into client ecosystems. Design and implement identity and access controls such ...

Senior Network Security Engineer - WAF (Fully Remote)

Hiring Organisation
REVYBE IT RECRUITMENT LIMITED
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day (Inside IR35), Fully Remote
SeniorNetworkSecurityEngineer-WAF 6monthscontract Upto£500perday(InsideIR35) FullyRemote WerelookingforaSeniorNetworkSecurityEngineerwithstrongWAFandcloudsecurityexperiencetojoinourteamona6-monthcontract. Youwilltakeownershipofourwebapplicationsecurityposture,driveimprovementsacrossournetworksecuritystack,andsupportkeyprojectsfocusedoncloud,firewall,andWAFoptimisation. KeyResponsibilities Leadtheconfiguration,tuning,andoptimisationofBarracudaWAFplatforms SupportandenhanceAzurenetworkingcomponentsincludingVNets,NSGs,firewalls,loadbalancers,androuting Workwithnext-generationfirewalls(anymajorvendor)toimprovesecuritycontrols Monitor,investigate,andrespondtosecurityincidentsacrossWAF,firewalls,andcloudnetworking Implementandmaintainsecurenetworkdesignpatternsandbestpractices Collaboratewitharchitecture,cloud ...