1 to 25 of 38 Senior Security Engineer Jobs in the South East

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 Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
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

Hiring Organisation
TRIA
Location
Slough, Berkshire, UK
Employment Type
Full-time
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
Cloud People
Location
Portsmouth, England, United Kingdom
Senior Security Engineer Up to £75,000 + Benefits + Training Hybrid (Portsmouth, UK) Company & Role This is an opportunity to join a fast growing, people first global service provider that is redefining what excellence in cyber defence looks like. With over $1B in global revenue, this … organisation delivers end to end IT outsourcing and managed services to customers across enterprise, public sector and fast growing scale ups. Its Security Practice protects clients through capabilities including Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, Penetration Testing and Incident Response, supported by a consulting led Security ...

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Guildford, Surrey, 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
High Wycombe, Buckinghamshire, 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
Basingstoke, Hampshire, 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
Oxford, Oxfordshire, 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
Dartford, Kent, 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
Reading, Berkshire, 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
Slough, Berkshire, 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
Newport, Isle of Wight, 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
Crawley, West Sussex, 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
Milton Keynes, Buckinghamshire, 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
Brighton, East Sussex, 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 IT Security Engineer

Hiring Organisation
Quant Capital
Location
Slough, Berkshire, UK
Employment Type
Full-time
Senior IT Security Engineer – Windows, Automation, Endpoint Security London – Hybrid Industry Leading Compensation Quant Capital is partnered with a leading trading firm looking to hire a Senior IT Security Engineer to strengthen its global security posture. This sits within a high-performing … engineering group and suits someone who can take ownership, make clear technical decisions and build security controls that scale. You will work across Windows engineering, endpoint security, automation, vulnerability management and platform hardening. The role mixes hands-on engineering with advisory responsibility and proactive threat mitigation. The environment ...

Senior Security Engineer

Hiring Organisation
Ripple
Location
Slough, Berkshire, UK
Employment Type
Full-time
ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: As a Senior Security Engineer, you will help Ripple design and build secure applications and infrastructure at scale. You will work closely with different Engineering teams … ensure we are building securely to protect our business and our customers. WHAT YOU'LL DO: Be a security advocate and domain expert within the organization and be able to communicate security risk and concepts to both technical and non-technical audiences. Lead initiatives with Engineering teams ...

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
Slough, Berkshire, UK
Employment Type
Full-time
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
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Infrastructure Engineer Snr - Palo Alto - Security focus

Hiring Organisation
Hireful
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
have a mixture of Infrastructure and Cyber Security skills? Would you like to join a large (45,000 and counting) growing global organisation? If so we could have the job for you... Role - Snr IT Infrastructure Engineer - Cyber aka : IT Security Engineer, Infrastructure Engineer, Network … Security Engineer, Location – Milton Keynes Hybrid 3 days office 2 Home Salary - to 57K – 5K Bonus 5% Pension, 25 Days (Rising to 30 + Buy/Sell), Health Plan We're partnered with a growing global group looking for an engineer with strong infrastructure experience ...

Infrastructure Engineer Snr - Palo Alto - Security focus

Hiring Organisation
hireful
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
Description Do you have a mixture of Infrastructure and Cyber Security skills? Would you like to join a large (45,000 and counting) growing global organisation? If so we could have the job for you... Role - Snr IT Infrastructure Engineer - Cyber aka : IT Security Engineer, Infrastructure … Engineer, Network Security Engineer, Location – Milton Keynes Hybrid 3 days office 2 xxuwjjq Home Salary - to 57K – 5K Bonus 5% Pensio All potential applicants are encouraged to scroll through and read the complete job description before applying. Please click on the apply button to read the full ...

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 Full Stack Engineer - Typescript, C#, AWS, IAM, Security

Hiring Organisation
Smart Sourcer
Location
Southampton, UK
Employment Type
Full-time
Senior Full Stack Engineer – Typescript, C#, AWS, IAM, Security Outstanding opportunity to join this global B2B SaaS leader as a Senior Full Stack Engineer with some security and IAM exposure required to develop APIs to connect their IAM solution to their core applications. This … secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK) Collaborate across Product, Security, and Engineering teams, embed identity into new features, and uphold engineering excellence through CI/CD, testing, and incident response Required experience: Strong full ...

Senior Full Stack Engineer - Typescript, C#, AWS, IAM, Security

Hiring Organisation
Smart Sourcer
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Senior Full Stack Engineer – Typescript, C#, AWS, IAM, Security Outstanding opportunity to join this global B2B SaaS leader as a Senior Full Stack Engineer with some security and IAM exposure required to develop APIs to connect their IAM solution to their core applications. This … secure login, SSO, MFA, RBAC/ABAC, and tenant isolation at scale, leveraging AWS services (Lambda, IAM, CloudFront, API Gateway, CDK) Collaborate across Product, Security, and Engineering teams, embed identity into new features, and uphold engineering excellence through CI/CD, testing, and incident response Required experience: Strong full ...