276 to 300 of 303 Senior Security Engineer Jobs

clear. They are tackling some of the most interesting challenges emerging from the adoption of AI, helping organisations embrace these technologies without compromising on security, governance, or trust. They're looking for backend engineers who enjoy solving complex problems and building systems that operate at scale. The kind … engineer who likes understanding how things work under the hood, who gets satisfaction from designing reliable services, and who enjoys seeing their work have a tangible impact on both products and customers. The work sits at the intersection of AI, security, and large-scale distributed systems. ...

leading IT company is seeking an experienced Network Engineer to support and enhance complex, high-availability network environments. The candidate should have 6–10 years of hands-on experience in enterprise network security, strong skills in Cisco and Check Point technologies, and the ability to work collaboratively across ...

Motorola Solutions is seeking a Backend Engineer for the Alta Video team in Uxbridge. The role focuses on developing the core backend of a cloud-based video management system, including distributed services for cameras, access control, and sensors. You will work within an agile team that values autonomy, collaboration … quality and security, with a hybrid pattern requiring 1-2 days in the office weekly. #J-18808-Ljbffr ...

Adecco is seeking an experienced SailPoint Engineer in Manchester on a 12‐month hybrid contract. You will lead design, integration and governance of IAM using SailPoint Identity Security Cloud, delivering secure identity solutions across the enterprise. The role requires hands‐on SailPoint expertise and senior IAM engineering ...

Darktrace is seeking a Senior Cyber Infrastructure Engineer to join the Professional Services team in London. You will deploy, integrate, and optimize Darktrace solutions within customer environments, spanning network, cloud, OT, and email domains. In this role you will lead architectures for complex deployments, advise customers on security ...

Telefónica Tech UK&I in Belfast is seeking a skilled Network Engineer to lead the implementation, management, maintenance, and support of our network infrastructure and security platforms. You will work as part of a mature managed service team delivering projects and managed services to health sector customers, with ...

Client Server Limited is seeking a Senior Python Developer/Bac kend software engineer for a hybrid role in London, with WFH options. You will work on a Greenfield project within the R&D team, primarily backend Python, and occasionally Rust, TypeScript, or C++. The position offers ...

ME+EM is seeking a senior IT specialist to provide advanced, third-line support and to own patching, vulnerability management, and security across Azure, on-premises, and hybrid environments. You will configure email security gateways, disaster recovery, and network infrastructure while collaborating with vendors and internal teams. ...

Spire Technology Group is seeking a 3rd Line Engineer to join our technical team in the UK. You will provide expert-level support across Microsoft 365, Azure, and networking, acting as a senior escalation point and guiding first/second line engineers through complex incidents. The role blends ...

able Technologies Ltd. is seeking an experienced Sales Engineer specializing in endpoint and AI security to drive technical wins in the UK region. You will own the technical conversations, run demos and proof‐of‐value engagements, and work with Account Executives to map customer needs to SentinelOne … related portfolios. We value hands‐on security expertise, strong MITRE ATT&CK knowledge, and the ability to translate complex technical concepts into customer value. #J-18808-Ljbffr ...

will design and build Salesforce solutions using Apex, LWC, Flow and platform APIs, and collaborate with product owners on complex integrations. You will ensure security, scalability and maintainability of deployments, mentor engineers, and work across time zones as needed. A background in Financial Services is highly desirable. #J ...

Aspire Technology Solutions is seeking a highly experienced 3rd Line Network Support Engineer to own complex network faults and escalation across Fortinet, Extreme and Cisco environments. You will diagnose, fix and document root causes while mentoring junior engineers and coordinating with customers and internal teams. You will design ...

Gemba Advantage is seeking Senior and Principal Software Engineers to design and deliver secure, scalable cloud-native services in small teams. You will remain hands-on while guiding architecture and standards, mentoring peers, and collaborating with customers. The role requires active or recently active SC/DV clearance ...

Proven experience delivering enterprise networking and complex solutions within an MSP, systems integrator, or enterprise environment. Strong understanding of routing, switching, BGP, OSPF, VPN, security, Data Centre Switching, LAN and WAN technologies. Experience producing low level designs, implementation & migration plans, test plans, and supporting documentation. Experience acting … technical lead, design authority, or senior consultant on customer-facing projects. Strong troubleshooting and problem-solving capability across complex network environments. Excellent verbal and written communication skills with the ability to engage both technical and business stakeholders. Experience mentoring engineers and supporting technical capability development within a delivery team. ...

Telefónica Tech UK&I in the United Kingdom is seeking an L3 Network Engineer to manage and support datacentre network infrastructure and perimeter security. You will maintain configurations, diagrams and inventories while coordinating with internal teams and third-party partners. Responsibilities include troubleshooting complex network issues, optimizing performance ...

Inc. is seeking a Senior Network Administrator to maintain and secure our global enterprise network infrastructure across LAN, WAN, data centres and cloud connections. The role demands deep technical knowledge, independent work style, and the ability to resolve complex issues to ensure availability and performance. Responsibilities include administering network … security controls, firewall technologies, VPN connectivity, and SD-WAN. #J-18808-Ljbffr ...

Idira PAM background for the UK & I region, covering EMEA. You will serve as the primary technical advisor, guiding privileged access management initiatives and security best practices across diverse customers. You will partner with R&D, Support, and Professional Services to deliver successful outcomes, while developing expertise across ...

Forwardrole is seeking several Systems Engineers to take technical ownership of complex projects from scoping through to integration and assurance. This is a client-facing role; you'll set the technical direction, run workshops that ...

Team Engineer. This role focuses on web platforms and requires outstanding skills in ethical hacking and penetration testing. The ideal candidate will execute security assessments and collaborate with teams to enhance security measures. This position offers a hybrid work environment, performance bonuses, and various employee benefits. #J ...

Aquis Exchange PLC is seeking a capable Network Engineer to support, shape, optimise, and scale our low-latency trading infrastructure in London. You will join a small, expert Network team working across cloud, on-prem, and exchange platforms—contributing to strategic projects and hands-on engineering. The role requires … strong problem-solving, client onboarding experience, and a proactive approach to improving network and security infrastructure. #J-18808-Ljbffr ...

Fractional is seeking a highly experienced IT Support Engineer to balance routine operations with strategic project work. You will support a mixed macOS (65%) and Windows (35%) environment, manage onboarding/offboarding, hardware lifecycle, and ensure security/compliance within ISO27001, SOC 2, and PCI frameworks. You will ...

Cohesity is seeking a Velociraptor Sales Engineer to drive net-new business, engage strategic accounts, and help customers modernize data security and management. You will partner with Sales to demonstrate value, displace incumbents, and navigate complex evaluations. Responsibilities include delivering demos, addressing RFPs, and enabling customers to integrate ...

Gravitas Group is seeking a seasoned Platform Engineer to work with principal engineers to simplify and harden a high-traffic publishing platform. You will support technical strategy, hands-on delivery and mentoring, reporting to a Principal Platform Engineer. The role focuses on migrating legacy infrastructure to Terraform, securing ...

LGT Wealth Management UK LLP in London seeks an experienced Salesforce Developer to design and deliver scalable solutions using Apex, Lightning Web Components, Flows and APIs. You will work with cross-functional teams to translate ...

National Physical Laboratory is seeking an experienced Telecoms Core Network Engineer for Birmingham to design, implement, and operate the core lab environment underpinning security research. The role requires deep knowledge of 4G/5G core functions, host architectures, virtualised environments and test tooling, with leadership to guide suppliers ...