26 to 50 of 119 Remote Senior Security Engineer Jobs

Senior Security Engineer (Infrastructure)

Location
City Of London, England, United Kingdom
Summary We are seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility, resilience and security maturity across the organisation. The successful candidate will work closely … with INO (Infrastructure & Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments. The role requires a technical understanding across networking, cloud, edge security, infrastructure hardening and operational security tooling. ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
side firms representing $40 trillion in AUM and 22 global investment banks. For more information, please visit www.cmgx.io The Role We are hiring a Senior Security Engineer to lead our security risk management and governance work. This is a senior individual‐contributor role for someone … turning them into shipped, operationalized programs. You will report directly to the CISO, own cross‐program initiatives, and collaborate closely with senior leadership across the firm. The core of the role is hands‐on security risk management, threat modeling, security risk assessments, and security design ...

Senior Product Security Engineer

Hiring Organisation
Blockchain
Location
London, UK
Employment Type
Full-time
over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. You will operate the Product Security programe for Blockchain.com's internally-developed products across Consumer, OTC and MRE lines. This is a senior, hands-on role: you'll design … secure development lifecycle, lead threat modeling and architecture review, own the security debt lifecycle for product engineering teams, and architect the automated pipelines that protect billions in transaction volume. You will embed with product and engineering teams, convert technical findings into business-prioritized remediation, and lift developer capabilities ...

Senior Network Security Engineer

Hiring Organisation
GTN Technical Staffing
Location
Addison, Texas, United States
Employment Type
Permanent
Salary
USD Annual
Description Job Description Senior Network Security Engineer Location: Dallas, TX (Hybrid - Uptown) Type: Direct Hire • Base salary + performance bonus • 100% company-paid benefits Overview This organization operates at the forefront of high-performance computing (HPC) and cloud infrastructure, building and scaling mission-critical platforms that support … company is focused on delivering next-generation infrastructure that accelerates innovation and eliminates friction across compute and data environments. We are seeking a Senior Network Security Engineer to lead the design, implementation, and optimization of a hyperscale network security environment. This role combines deep technical expertise ...

Senior Application Security Engineer

Location
Greater London, England, United Kingdom
looking for a Senior Application Security Engineer to join our expanding Information Security team. If you are a hands‐on AppSec expert who enjoys working deep in the SDLC, partnering with talented engineers and building security into fast‐moving delivery pipelines, this role gives … genuinely care about secure engineering, and you will have the autonomy, tooling and influence to help them excel. You will work alongside our existing Senior AppSec Engineer and Security Architect, strengthening our capacity and resilience as we continue to mature our security services. This ...

Senior Security Engineer Crypto

Hiring Organisation
Teya Solutions
Location
London, UK
Employment Type
Full-time
businesses, we'd love to hear from youYour missionWe're a regulated payments fintech operating across multiple European markets, scaling into banking-licence territory. Security Engineering is being rebuilt around a joint operating model with our platform and infrastructure teams. We're hiring a Senior Security Engineer who can pick up specific gaps in our current coverage: payment cryptography operations on cloud-hosted HSM services, application security at scale, and pipeline-embedded controls that let the rest of the company move fast without security sitting in the critical path. This is not a review ...

Senior Security Engineer — Proactive Security Lead (Remote)

Location
Greater London, England, United Kingdom
Capital Markets Gateway LLC (CMG) is seeking a Senior Security Engineer to own security risk management, threat modeling, and governance initiatives. You will report to the CISO and drive cross‐program work with senior leadership, turning complex risks into actionable, repeatable security workflows. … role covers cloud security, supply‐chain, endpoint and identity controls, and AI security, with a path from senior IC to broader leadership as the program scales. #J-18808-Ljbffr ...

Senior Security Engineer (AI Safety), London, Lausanne

Hiring Organisation
Isomorphic Labs
Location
London, UK
Employment Type
Full-time
promise of digital biology, and achieving our ambitious mission to one day solve all disease with the help of AI.Your impact As a Senior AI Security Engineer at Isomorphic Labs, you will operate at the absolute frontier of Artificial Intelligence and Cybersecurity. Reporting directly to the CISO … risk management frameworks tailored to the unique threat landscape of AI in life sciences, establish strict governance over critical model artifacts, and embed seamless security controls directly into distributed training and inference infrastructure. You will serve as the technical anchor bridging machine learning engineering, platform architecture, and adversarial defense. ...

Senior Threat Modelling & Application Security Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Senior Threat Modelling & Application Security Engineer Day rate: Up to £450 - £500 (Inside IR35) Location: London/Hybrid - 4 days a week onsite Duration: 6 months (Initial) A major organsiation is seeking a Senior Threat Modelling & Application Security Engineer to help drive secure … practices across cloud and application environments. Key Responsibilities Conduct threat modelling using STRIDE, PASTA, ATT&CK and Attack Trees. Identify vulnerabilities and define mitigating security controls. Review technical architectures and support secure SDLC processes. Develop security automation tooling and Python-based applications. Partner with engineering teams to embed ...

Senior Security Engineer: Cloud & Infra Security (Hybrid)

Location
City Of London, England, United Kingdom
Eeze is seeking a Senior Security Engineer (Infrastructure) to strengthen security controls across cloud, on-prem and edge environments. You will collaborate with INO, Corporate IT and Platform Engineering to raise security maturity, visibility and incident response. The role emphasizes engineering and operations alignment, with … focus on scalable security controls, vulnerability management and modern tooling in a high-availability setup. #J-18808-Ljbffr ...

Senior Security Engineer, Infrastructure — Hybrid

Location
Greater London, England, United Kingdom
Eeze is seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‐prem environments. You will work with INO, Corporate IT and Platform Engineering to implement scalable controls and improve visibility, resilience and security maturity across the organisation. The role covers networking … cloud, edge security, IAM and incident response, with emphasis on designing and maturing security controls, SIEM, WAF, Kubernetes security and governance alignment. #J-18808-Ljbffr ...

Senior ICT & Security Design Engineer - London, Bicester or Newcastle

Location
Greater London, England, United Kingdom
Senior ICT & Security Design Engineer - London, Bicester or Newcastle London, United Kingdom, WC1A 1HB | Newcastle, United Kingdom, NE6 2HL | Oxford, United Kingdom, OX27 7LT RED ENGINEERING DESIGN LIMITED Permanent Full - Time Senior ICT & Security Design Engineer - London, Bicester or Newcastle RED are an expanding … fellow project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We now seek a Senior ICT & Security Engineer to be based out of our London, Bicester or Newcastle office. Role Responsibilities Carries out cost and profit diagnosis ...

Senior Security Engineer (IT/OT)

Hiring Organisation
Oscar Associates (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Senior IT/OT Cyber Engineer | London | £80-90k + Very Competitive package A well known client of ours with a growing international presence is looking for a Senior IT/OT Cyber Security Engineer to protect the systems that keep its stores, distribution … centres and operational sites running around the clock. This is a rare hybrid of enterprise IT security and Operational Technology - you'll sit at the point where corporate infrastructure meets the industrial systems that the business physically depends on. It's a senior, hands-on engineering position with ...

Remote Senior Security Engineer—Cloud & DevSecOps Lead

Location
United Kingdom
Partner company in the United Kingdom is seeking a Senior Security Engineer to shape security across a large-scale platform and distributed ecosystem. You will design architectures, automate detection, and drive security controls across multi-cloud environments. You will mentor engineers, set engineering standards … lead critical security initiatives while partnering with engineering teams to embed security by design into new technologies and products. #J-18808-Ljbffr ...

Senior App Security Engineer - Hybrid, AI Security Focus

Location
Cambridge, England, United Kingdom
Redgate is seeking a senior security engineer to embed security deeply into our product teams, defining requirements across the SDLC and leading threat modelling for new features. You’ll influence architecture, guardrails, and secure-by-default patterns, balancing risk with delivery velocity. Work across engineering … product squads in a hybrid role based in Cambridge. You’ll champion SAST/DAST, support AI security initiatives, and translate security findings into pragmatic engineering work #J-18808-Ljbffr ...

Senior Security Operations Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
software is in demand globally by firefighters, paramedics, hospitals and governments. To meet this demand, we are building an industry-leading cyber security team in Belfast to protect our customers and data from a variety of fast moving and constantly evolving threats. We are looking for a Senior Security Ops Engineer to join our Belfast team. This role will work alongside our wider Security, IT, development, platform and business teams across the world. You will be helping to review and respond to incidents and alerts, assisting users in how to operate securely and ensuring ...

Senior Cloud Security Engineer

Hiring Organisation
Hays
Location
Stockport, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Cloud Security Engineer Permanent - £55k-£70k + benefits Location: Hybrid - Stockport Your new company: A leading financial services company are currently looking for a Cloud Security Engineer. The organisation is global, and well respected in their industry. You'll be a part of a growing cyber security team, and you'll be supported throughout your career there, with strong progression opportunities available. The role responsibilities: You'll provide expert security guidance and hands-on engineering support, working closely with teams across the business to embed effective security practices and ensure the environments are well ...

Senior Security Engineer

Location
Inverness, Scotland, United Kingdom
# Senior Security EngineerInvernessApply for this job* Permanent* Experienced Professionals* Cybersecurity* ID 496163-en\\_GB## **About the job you’re considering**Engineers form part of the Security Engineering Team (SET), an expanding team who deliver specific IT Security Services to a client in the Aerospace industry. … fixed to one location, which lends itself to interesting and diverse work within differing environments. The role is focused in three main areas for Security Engineering and Operational activity:* Run Activity – Monitoring and acting as required on the health of various Security tools.* Incident Response – responding with appropriate ...

Senior DevSecOps Engineer | Security, Automation & CI/CD

Hiring Organisation
Alexander Ash Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £475 to £525 per day
Senior DevSecOps Engineer | Security, Automation & CI/CD A major global financial organisationare improving their technology estate for a critical systems and are seeking a Senior DevSecOps Engineer with a strong focus on security, automation and software delivery. The role will involve embedding security … supporting CI/CD platforms and implementing solutions for identity, access, secrets and certificate management. The successful candidate will have experience working with enterprise security controls and DevSecOps practices, alongside strong technical capability across automation and CI/CD tooling. Key qualifications and experience: 8+ years experience in DevOps ...

Senior Network Security Engineer

Hiring Organisation
Hays
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Network Security Engineer Permanent £50,000 - £70,000 10-15% Performance Bonus + more benefits Location: Hybrid - Office in Sheffield City Centre Your new company Due to continued organisational growth, I'm back on the lookout for some talented Network Security Engineers to work … managed service environment in Sheffield. This is a fantastic opportunity to progress your network security career with one of the UK's most renowned organisations in a managed service environment. Your new role will involve Joining the existing Network Security team In tandem with the SOC Looking ...

Senior Security Engineer: AI-Driven Detection & Response

Location
Greater London, England, United Kingdom
HackerOne is hiring a Senior Security Engineer in a remote role with focused responsibilities in detection and response for a cloud-native environment. You will design, build, and maintain detection capabilities, develop AI-powered tooling, and lead incident response while collaborating with engineering to improve observability ...

Senior Network Security Engineer

Hiring Organisation
Hays
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Senior Network Security Engineer Permanent £50,000 - £70,000 10-15% Performance Bonus + more benefits Location: Hybrid - Office in Sheffield City Centre Your new company Due to continued organisational growth, I'm back on the lookout for some talented Network Security Engineers to work ...

Senior Cloud Security Engineer — Remote

Location
United Kingdom
Aalyria Technologies, Inc. is seeking a Senior Security Engineer to manage cloud security and network compliance operations. The role is vital in protecting our cloud infrastructure and ensuring alignment with CMMC L2 and NIST standards. Ideal candidates will have 5+ years in infrastructure security, with ...

Senior Infrastructure Security Engineer | Hybrid & Flexible Hours

Location
Greater London, England, United Kingdom
Tain, we are seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‐prem environments. The role collaborates with INO, Corporate IT and Platform Engineering to enforce scalable controls, improve visibility and resilience, and mature security practices in high‐availability setups. … candidate will apply expertise in networking, cloud, edge security, and infrastructure hardening, helping drive incident response, secure configurations and tooling across #J-18808-Ljbffr ...

Senior Application Security Engineer (Remote)

Location
Greater London, England, United Kingdom
grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every … level - from architecture to deployment. It's an environment where engineering is a craft, and builders become leaders. What you'll do As a Senior Application Security Engineer, you will focus on finding and responding to security vulnerabilities across the Brex platform. In this role ...