1 to 25 of 40 Remote Permanent Senior Security Engineer Jobs

Senior Security Engineer | London | Hybrid (3 Days In-Office) | Competitive Pay & Great Benefits Join one of the world's leading providers of customizable trading technology, trusted by top investment banks and hedge funds globally. They're looking for a Senior Security Engineer to design … implement, and protect cutting-edge security infrastructure across cloud (AWS, Azure, M365) and on-prem environments. You will play a critical role in ensuring the confidentiality, integrity, and availability of their systems, networks, and data. The successful Senior Security Engineer will be offered the flexibility of … working, where you will be required to work from their City of London office at least 3 days a week. Key Responsibilities of the Senior Security Engineer: Develop and implement comprehensive security strategies, policies, and procedures. Design, deploy, and manage security solutions, including PAM/ More ❯

Role Title: Senior Security Engineer - Security Operations Location: London or Sheffield (Hybrid) About the role: RMG Cyber Security Operations is dedicated to safeguarding our information assets and managing security incidents through robust detection, analysis, and response strategies. We are seeking a Senior Security Engineer to enhance our team and contribute to the protection and resilience of our technical infrastructure. As a Senior Security Engineer, you will lead the maintenance and development of key security technologies across RMG's technology estate and provide senior-level expertise in … information security to ensure the successful delivery of security projects within the Business as Usual (BAU) Security Operations Function. Join our team and be part of a dynamic environment where your expertise in security operations will play a pivotal role in protecting our technological assets. What More ❯

Description Security Engineer - Senior - (HSEN) - Zscaler Engineer (Access Management and Network Security) POSITION NUMBER (TA2-22) Summary : Softek is seeking a Security Engineer (Senior) with Zscaler experience to support the DHS Enterprise Engineering Division within the Office of the Chief Information Officer … The ideal candidate will have a strong background in cybersecurity and hands-on experience with Zscaler platforms. This role involves designing, implementing, and managing security measures to protect DHS systems, networks, and data. This program portfolio includes management and oversight of the technical infrastructure and security tools, sensors … servers, and data storage devices to support the DHS Network Operations Security Center (NOSC) Cyber (SOC) and other DHS stakeholders and Components. Duties/Responsibilities : Develop and implement robust security protocols and measures to protect computer systems, networks, and data from unauthorized access, breaches, and other security More ❯

Senior Product Security Engineer London/WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/… Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices More ❯

minds, and unparalleled agility-leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation's vital interests. Requisition: Job Title: Senior Security Engineer Location: Hybrid role - MUST be local to the DMV area Clearance Level: Active - Public Trust SUMMARY: The Senior Security Engineer will support a government agency in the achievement of strategic goals and objectives related to the ongoing execution and maturity of its cybersecurity and security operations center programs. Agile Defense is currently seeking a talented Security Engineer to support an Agency-level enterprise cyber … program. To support this vital mission, Agile Defense employees are on the forefront of providing Advanced CND Operations, and Security Engineering support to include the development of advanced analytics and countermeasures to protect critical assets from hostile adversaries. To support the integrity, security, and resiliency of critical operations More ❯

Senior Cyber Security Engineer – Investment Management 💰 £££ Competitive Day Rate | Contract with Perm Option 📍 Central London | Hybrid Working ✅ Senior-level Cyber Security Engineer ✅ Core security disciplines – infrastructure, cloud, identity, threat, risk ✅ Initial contract with an option to convert to permanent employment You'll be … working for a well-established investment management firm as a Senior Cyber Security Engineer , helping to shape and secure their growing tech environment. This is a hands-on, high-trust role where your broad security knowledge will directly impact infrastructure, cloud, data, and application integrity. The … Role: Deliver security engineering across network, cloud, and endpoint infrastructure Support detection, response, and threat modelling Help mature identity & access management controls Lead on vulnerability remediation and risk assessments Act as SME in cross-functional projects involving security tooling & design What You Need: ✔ Proven experience in senior More ❯

Senior Cyber Security Engineer – Investment Management 💰 £££ Competitive Day Rate | Contract with Perm Option 📍 Central London | Hybrid Working ✅ Senior-level Cyber Security Engineer ✅ Core security disciplines – infrastructure, cloud, identity, threat, risk ✅ Initial contract with an option to convert to permanent employment You'll be … working for a well-established investment management firm as a Senior Cyber Security Engineer , helping to shape and secure their growing tech environment. This is a hands-on, high-trust role where your broad security knowledge will directly impact infrastructure, cloud, data, and application integrity. The … Role: Deliver security engineering across network, cloud, and endpoint infrastructure Support detection, response, and threat modelling Help mature identity & access management controls Lead on vulnerability remediation and risk assessments Act as SME in cross-functional projects involving security tooling & design What You Need: ✔ Proven experience in senior More ❯

Job Description - Senior Infrastructure Security Engineer (Network) (047748) Senior Infrastructure Security Engineer (Network) 047748 Organisation Organisation - Customers, Communication and Technology Job Position Type - Full Time Location: North Greenwich, London/Hybrid Salary: £62,000 - £70,000 plus fantastic benefits UK Sponsorship availablehowever, candidates are … of time split between the office and home over a 4-week period.Hybrid working arrangements can evolve subject to business requirements. Key Technologies: Network Security (inc. Firewalls), Routing and Switching (WAN/LAN/Datacentre), SDN, Wi-Fi and Cloud Networks. About Us The Networks and Hosting Team, which … It is an exciting time to join the Network team, as you'll be working on large scale network improvement projects such as: network security (firewall) upgrades, network consolidation and integration, widescale refreshes including WAN and data centre network. About the Role The Senior Infrastructure Security Engineer More ❯

HSEN - TA2 -13 HSEN Senior Technical Security Engineer 23-10-20 HSEN Senior Technical Security Engineer Position Summary Softek International is seeking a Senior Technical Security Engineer to support the DHS Enterprise Engineering Division within the Office of the Chief Information … Officer (OCIO) is responsible for the architecture, design, engineering, Tier 3 operations support, maintenance, and management of the network and security infrastructure. This program portfolio includes management and oversight of the technical infrastructure and security tools, sensors, servers, and data storage devices to support the DHS Network Operations … Security Center (NOSC) Cyber (SOC) and other DHS stakeholders and Components. This role needs to provide strategic and tactical direction to a high functioning team of network and security engineers, data center specialists, and DHS stakeholder groups. Candidates must be able to convey • Experience and Ability to provide More ❯

Cyber Security Engineer Senior Location : Ringwood, Hampshire, + Hybrid Home Working (2 days a week Tues & Thurs in the office post-probation) Salary : Up to £45,000.00 Hours : 37.5 hours per week Contract : Full-time, Permanent Join us as our Cyber Security Engineer Senior … role, you will undertake project and support activities, providing assurance, technical expertise, and guidance as needed. You will input into Information Governance and Cyber security-related calls and incidents, supporting the swift and effective response to mitigate risks and minimise impact. You will engage in activities to continuously improve … our cyber security posture, colleague awareness, and training, as well as helping towards maintaining ISO, CE+ and other relevant standards and accreditations. Additionally, you will support the security and governance functions of the business, working closely with the Technical Director and the wider team. The Skills You Will More ❯

Cyber Security Engineer - Senior Location : Ringwood, Hampshire, + Hybrid Home Working (2 days a week Tues & Thurs in the office post-probation) Salary : Up to £45,000.00 Hours : 37.5 hours per week Contract : Full-time, Permanent Join our client as their Cyber Security Engineer - Senior … role, you will undertake project and support activities, providing assurance, technical expertise, and guidance as needed. You will input into Information Governance and Cyber security-related calls and incidents, supporting the swift and effective response to mitigate risks and minimise impact. You will engage in activities to continuously improve … their cyber security posture, colleague awareness, and training, as well as helping towards maintaining ISO, CE+ and other relevant standards and accreditations. Additionally, you will support the security and governance functions of the business, working closely with the Technical Director and the wider team. The Skills You Will More ❯

Transform technology into opportunity as a Senior Information Assurance Security Engineer (Air Systems) with GDIT. A career in Security Engineering means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving … how agencies operate. At GDIT, people are our differentiator. Our work depends on a Senior Information Assurance Security Engineer (Air Systems) to provide knowledge-based information assurance and cybersecurity IT services to the F-35 Directorate of Cyber Integration (DCI) in support of the F-35 Lightning … F-35 is the most affordable, lethal, supportable and survivable aircraft ever to be used by so many warfighters across the globe. HOW OUR SENIOR INFORMATION ASSURANCE SECURITY SPECIALIST (AIR SYSTEMS) WILL MAKE AN IMPACT: Responsible for conducting information system security engineering activities. Provide Information system security More ❯

Cyber Security Engineer - Senior Location : Ringwood, Hampshire, + Hybrid Home Working (2 days a week Tues & Thurs in the office post-probation) Salary : Up to £45,000.00 Hours : 37.5 hours per week Contract : Full-time, Permanent Join our client as their Cyber Security Engineer - Senior More ❯

Job title: Senior Security Engineer Client: Fintech trading firm Salary: £170,000 + Bonus/Benefits Location: London (hybrid) Experience level : 5+ years An elite systematic trading firm is seeking a Security Engineer to play a key role in strengthening their global security posture. … As a subject matter expert, you’ll lead initiatives across network, cloud, data, and system security guiding critical IT projects, running threat models for complex systems, and building automation to validate controls and resilience. You'll act as the escalation point for Security Operations, driving swift resolution of … advanced threats and shaping the long-term security roadmap. This is a high-impact role for a proactive, driven security expert ready to take the lead in a cutting-edge fintech environment. Key Responsibilities Enhance security across critical domains including network, system, cloud, email, and data security. More ❯

Job title: Senior Security Engineer Client: Fintech trading firm Salary: £170,000 + Bonus/Benefits Location: London (hybrid) Experience level : 5+ years An elite systematic trading firm is seeking a Security Engineer to play a key role in strengthening their global security posture. … As a subject matter expert, you’ll lead initiatives across network, cloud, data, and system security guiding critical IT projects, running threat models for complex systems, and building automation to validate controls and resilience. You'll act as the escalation point for Security Operations, driving swift resolution of … advanced threats and shaping the long-term security roadmap. This is a high-impact role for a proactive, driven security expert ready to take the lead in a cutting-edge fintech environment. Key Responsibilities Enhance security across critical domains including network, system, cloud, email, and data security. More ❯

Senior Cyber Security Engineer (SIEM/XDR) Permanent Salary: up to £65,000 plus bonus Location: Sheffield Working arrangement: Hybrid (3 Days on Site 2 from home, 9-5 Mon-Fri) Your new company I'm on the lookout for a talented cyber security engineer based in Sheffield. This is a fantastic opportunity to progress your cyber security career with a renowned UK organisation. This role requires eligibility to obtain SC and NPPV3 clearance, as a result it does not offer visa sponsorship. Your new role will involve Working with clients on Splunk … on behalf of this organisation's clients Working with this organisation's clients to design, configure and integrate SIEM and XDR platforms Advising on security engineering best practice to clients Act as 3rd line escalation point for analysts Testing implementations and integrations Creating surrounding documentation where required What you More ❯

not short of challenges. About the role At V7, we empower our customers with cutting-edge AI solutions to transform their operations. As a Senior Security Engineer , you will play a pivotal role in safeguarding our systems, networks, and data while ensuring compliance with industry-leading security … and securing their critical information assets. This role sits within the Platform Engineering Team and requires a strong technical background, hands-on experience with security tools, and a collaborative mindset to work effectively across teams. The role will involve platform engineering activities, contributing to the design, implementation, and optimization … tackling complex challenges in a fast-paced SaaS environment, this position is for you. What you will do: Design and implement robust, forward-thinking security strategies, policies, and procedures to safeguard our systems, networks, and data. Lead regular security assessments, vulnerability scans, and penetration tests to identify risks More ❯

Senior Product Security Engineer Compensation: Up to £250k TC Location: London WFH: 4 days in office, 1 from home I'm currently working with one of the most successful and modern Quant Trading firms in London. Being a top 5 performer across various markets and boasting yearly … competitors. Their modern and innovative approach means no legacy work to deal with and state of the art tech. They're looking for a Senior Product Security Engineer to develop and implement security controls across all of their trading infrastructure and cloud services. This a widely … with various engineering and product teams on greenfield initiatives to secure large scale, low latency systems and cloud platforms. Requirements 6+ years in product security Strong object orientated programming experience across languages such as Python, C++, Java, Go or Rust Extensive cloud experience Knowledge of threat modelling and risk More ❯

Senior Product Security Engineer Compensation: Up to £250k TC Location: London WFH: 4 days in office, 1 from home I'm currently working with one of the most successful and modern Quant Trading firms in London. Being a top 5 performer across various markets and boasting yearly … competitors. Their modern and innovative approach means no legacy work to deal with and state of the art tech. They're looking for a Senior Product Security Engineer to develop and implement security controls across all of their trading infrastructure and cloud services. This a widely … with various engineering and product teams on greenfield initiatives to secure large scale, low latency systems and cloud platforms. Requirements 6+ years in product security Strong object orientated programming experience across languages such as Python, C++, Java, Go or Rust Extensive cloud experience Knowledge of threat modelling and risk More ❯

Partner Job CBSbutler Holdings Limited trading as CBSbutler Location: Preston or Frimley (Hybrid) Salary: £50,000 - £55,000 + 10% bonus + excellent benefits Security Clearance: Must be eligible for Security Clearance A global Defence & Security leader is looking to add to their successful and talented team. … additional requirements that sit within Enterprise IT, providing enterprise IT services across the UK businesses and internationally. You will participate in the creation of security solutions to provide enterprise security services and maintain, develop, and communicate their associated roadmaps and standards through the full lifecycle of the service. … This could also offer a natural progression route and the opportunity to develop further. What you'll be doing: Senior Cyber Security Engineer Support the review of firewall rule requests acting as a Security approver Provide reviews of Security feature configurations on the firewalls Maintenance More ❯

to join the SYSTRA signature team and be part of leading the way in infrastructure design. Context We currently have an opportunity for a Senior or Principal Cyber Security Engineer to join our growing Cyber Security team under the Systems Engineering practice. This position will suit … commercial awareness and the ability to play their part in growing a dynamic high-performance team. Missions/Main Duties Supporting the Lead Cyber Security Engineer you will deliver cyber security solutions, to our rail & infrastructure clients, on projects from Concept phase up to Operation and Maintenance … Phase, managing the cyber security governance and lifecycle activities and actively contribute to the creation of relevant evidence. Supporting the Lead Cybersecurity Engineer in cybersecurity strategy definition. Maintain good working relationships with clients and ensure that their requirements are being fulfilled by the business. Be able to adapt More ❯

and identities to apply. We are committed to maintaining an inclusive, supportive place for you to be you and do your very best work. Senior Cyber Engineer - Cloud Security Due to customer demand and increasing maturity within our platform we have an exciting and challenging opportunity for … an experienced cyber professional within the Cloud Security sector - with expertise in building secure environments within AWS, Azure and/or GCP - to join our Product team as Senior Cyber Engineer - Cloud Security. If successful you will join our Cyber team working closely with our Principal Cloud … Security Engineer as we embark on this exciting new phase of product development within our market leading cyber resilience platform. This isn't an ordinary cloud role, we know everyone claims this and will tell you their role is super unique but this one really is. You are More ❯

focus on offering a full range of architecture and planning, system implementation, integration, analytics and O&M for our customers. We are seeking a Senior Security Engineer to support our Federal customer's CIO Cyber Security organization and manage all vulnerability remediation activities, including Binding Operational … Directive (BOD) compliance. Responsibilities: Perform Security Impact Analyses on application releases and provide recommendations to federal leadership Perform software vulnerability scans, interpret the results, and provide vulnerability mitigation recommendations Support and develop analyses of alternatives and decisions on courses of action by providing security insights to project teams … based on industry standards. Support regular updates to secure coding standards documentation and the ongoing assessment of the customer organization against the NIST Cyber Security Framework Support Information Security Center vulnerability management groups by performing asset inventory, secure configurations and continuous monitoring, tracking and reporting and vulnerability service More ❯

About Us Babylon Labs' mission is to bring Bitcoin's unparalleled security to the decentralised world via a new public Cosmos-SDK PoS blockchain (Babylon chain) and a suite of inter-chain protocols. At Babylon, we are at the forefront of web3 innovation by developing elegant and complex blockchain … systems. About the Job We're seeking a highly motivated and security-conscious IT Security Engineer to build and maintain our robust IT infrastructure in a fast-paced, dynamic blockchain environment with a globally distributed workforce. You will be instrumental in establishing a "security-first" IT … security posture by implementing best practices across all aspects of our IT operations. This role demands a proactive and adaptable individual with a strong understanding of modern security principles, including zero-trust architecture. You will be responsible for managing device distribution, MDM, Google Workspace, SSO, cloud environments, and More ❯

Senior Product Security Engineer - Up to £250,000 We are working with one of the top buy side firms in the city who are a leader in blending modern technology with the most performant financial systems, revolutionising themselves to become a key player in London. Currently, they … are undertaking an extremely strategic greenfield remit of work that involves building out several brand-new projects with a focus on security and scalability. This role focuses on the safety of diverse systems across cloud, business applications, and core infrastructure. You will lead automated security processes, influence architecture … and oversee key security initiatives. The position involves close collaboration with teams spanning IT, cloud, and engineering. You will ensure protection across high-speed environments within a unique environment in the hedge fund world (2 days WFH). In addition to hands-on security implementation, you would be More ❯