TCP/IP Jobs in London

76 to 100 of 495 TCP/IP Jobs in London

Windows Systems Engineer - Macro Hedge Fund

Greater London, England, United Kingdom
Tempest Vane Partners
Endpoint Manager, Teams, Conditional Access) to meet organizational needs and following best practices Manage and optimise the Windows server estate, focusing on on-prem infrastructure based on VMware / Nutanix AHV and also cloud infrastructure platforms (Azure / AWS) Perform system maintenance, such as applying patches and updates to ensure availability, optimal performance and security of … IT infrastructure Monitor system performance and proactively identify / resolve issues Maintain detailed documentation of system setup, configuration, procedures and change Implement and manage security platforms including endpoint protection and patch management to protect data and shared IT infrastructure Manage backup solutions to ensure data recovery and resiliency Work as part of the Infrastructure and Systems Engineering team … Windows Server 2012-2022 and Microsoft 365 solutions with Exchange, Teams, Sharepoint, Endpoint Manager & Conditional Access. Solid understanding of Active Directory Services. Solid understanding of networking concepts, including TCP / IP, LAN / WAN. Scripting skills are desirable for automating routine tasks and deployments. Experience working in a financial markets trading environment More ❯
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3rd Line IT Support Consultant

London, England, United Kingdom
Hybrid / WFH Options
Smartdesc
Social network you want to login / join with: IT Support Consultant Location: London / Hybrid Salary: Up to £60k, depending on experience We're seeking an experienced technical consultant to join our Customer Infrastructure Team. The role involves working on one of Smartdesc’s largest global clients, with responsibilities including maintaining IT systems, handling escalations … should have strong technical skills with fault finding and problem-solving abilities. We welcome applications from those with some, but not all, of the following: VMWare vSphere and / or Microsoft Hyper-V with SCVMM in clustered environments Storage Platforms (Nimble, NetApp, IBM, etc.) Physical Server Equipment (HPE, Dell, IBM) Configuration and troubleshooting of Azure AD including Conditional … configuration and administration DNS management and troubleshooting PowerShell scripting Windows Server 2012 R2, 2016, 2019, Microsoft Azure, Group Policy Networking technologies and routing practices Troubleshooting network issues (TCP / IP) Configuring and troubleshooting Firewalls, routers, switches Veeam Backup & Replication for Backup and DR About Smartdesc Smartdesc, part of the Academia Group, is an IT More ❯
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Network Engineer

London, United Kingdom
LMAX Group
any point in the application or interview process. Network Engineer Role The Network Engineer role offers the opportunity to join a global, dynamic team that maintains a 24 / 7 low latency trading environment. You will work closely with the Systems, Information Security, and Development teams to ensure business objectives are met. The ideal candidate should possess excellent … enthusiasm for Networks and Open Source technologies. Positive, constructive, and open-minded attitude. Self-motivated and able to work autonomously. Understanding of Routing and Switching protocols such as TCP / IP, BGP, DNS, DHCP, VRRP. Experience supporting multi-vendor routing / switching environments (Arista, Juniper, Cisco, Palo Alto, Fortinet). Knowledge of … Data Centre environments, with hands-on hardware skills: installation, patching, fibre, UTP. Availability to travel to our London offices 2-3 times a week. Experience with Agile and / or DevOps methodologies. Good understanding of Linux operating systems, particularly Ubuntu and Redhat. Exposure to OSS monitoring systems (e.g., Nagios, Observium, Prometheus). Scripting and automation experience using tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

IT Operations Engineer

London, England, United Kingdom
CFC
around 1000 employees, based in the UK, US, and Australia, to operate effectively and efficiently. About the role You will provide 2nd and 3rd line support for IT / application incidents and service requests, ensuring timely resolution. Responsibilities include: Troubleshooting and resolving complex hardware, software, and network issues. You should have experience in: Writing and optimizing SQL queries … you The ideal candidate will have knowledge of Intune management and deployment, supporting Windows and iOS laptops and mobile devices. You should have prior experience in a 2nd / 3rd line support role and: Strong SQL knowledge Strong knowledge of Windows and Linux operating systems Experience with virtualization technologies (e.g., VMware, Hyper-V) Proficiency in networking concepts (e.g. … TCP / IP, DNS, DHCP, VPN) Familiarity with cloud platforms (e.g., AWS, Azure) is a plus Core Values Love what you do: We show up each day ready to take on the world. Our passion and intensity set us apart and make a difference to our colleagues, customers, brokers, and carriers. Challenge everything: We More ❯
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L3 Infrastructure Engineer

London, England, United Kingdom
Hybrid / WFH Options
Publicis Groupe
Engineer will support and maintain a reliable IT infrastructure within an ITIL framework, collaborating effectively with colleagues and the wider business. Responsibilities include implementing and improving infrastructure systems / services. Proactively respond to system alerts. Maintain server and storage infrastructure across Europe and globally. Ensure data backup and archive systems integrity. Participate in project work, including system upgrades … to resolve problems. Qualifications Key Competencies: Technical Skills: Experience or knowledge in the following areas is expected: Windows Server administration (2016–2025), ideally Microsoft certified Microsoft Azure fundamentals / administration, ideally Microsoft Certified VMWare / vCenter 7.x - 8.x operations & administration Enterprise backup solutions (NetBackup, Veeam, tape libraries) RedHat / CentOS Linux Server administration Server … hardware (HP / Dell) Enterprise Storage (iSCSI / Fibre SAN and NAS) Active Directory / Group Policy Network monitoring (Solarwinds, SNMP) TCP / IP fundamentals (DNS, DHCP, routing, switching) Ethernet and Fibre cabling / patching Role Requirements: Log all incidents, tasks, and requests in the ticketing More ❯
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Wireless Network Dev Engineer (Level 4), OTN-Wireless

London, England, United Kingdom
Amazon
resilient, and cost optimized services. Dive deep on complex problems that identify root causes of our customer impacts, developing and delivering corrective actions. Evaluate new technologies, lab test / certify solutions, conduct proof of concepts, run books definition, and lead pilot deployments. Innovate and automate infrastructure testing, deployment, operations, and life cycle management Define the strategy for future … scale Wireless networking operations and engineering. -Knowledge of wireless networking technologies (802.11 & RF) -Deep understanding of fundamentals and packet capture analysis. -Analytical skills -Comfortable working in a UNIX / Linux environment Software development is highly desired, specifically in Python -Excellent verbal and written communication skills. -Understanding of other networking concepts (TCP / IP, Routing and LAN switching) -An ability to support follow-the-sun shifts and on-call, including weekends / Public holidays -CWNA, CCNP / CCIE level of wireless knowledge PREFERRED QUALIFICATIONS -Master’s Degree in a technology-related field -Experience operating high-density AP and client deployments -Working knowledge of network technologies and concepts including More ❯
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Level III Service Desk Technician - London

London, United Kingdom
Oxford Economics
the London office, guiding daily activities Assist with the evaluation and implementation of new technology Assist in providing level 1 support when volumes are high Act as second / third line escalation, performing post-resolution knowledge transfer with colleagues Escalate incidents with accurate documentation to suitable analysis, developer or vendor, when required. Continuously monitor and action support tickets … Seek opportunities to continuously optimise systems and processes, using stakeholder feedback, taking account of technological improvements and new design patterns with cloud technologies Key Working Relationships Internal: Economists / Business Analysts Information Technology / Infrastructure Architects CIO / Head of IT Marketing & Business Development External: As Required Skills, Knowledge & Expertise Required: 6+ years of … security Significant experience with Microsoft Azure, Intune, PIM and storage accounts Experience in evaluation and decision making Working technical knowledge of current protocols, operating systems, and standards, including TCP / IP, OSI model, Microsoft Windows 11, Microsoft Windows 2016 onwards Good project management skills and solid experience of working with IT departments on technical More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Systems Engineer

London, England, United Kingdom
Smart Communications group
Call Rota for out of Hours Cover. Working on Designated Tasks outside normal working hours as required by the role. What we’re looking for: Must have skills / experience: Virtualization Experience – A strong VMWare background, including managing multiple clusters, licensing, installation, upgrades, patching and securing. Cloud environments – Experience in AWS and / or Azure. Automation … Operating Systems – You must have a good working knowledge of Windows being able to perform installations and configurations on these environments without help. Networking – Basic Network knowledge of TCP / IP, DNS, DHCP and VLANs, what they mean and their practical uses. Monitoring Systems – You must have a good working knowledge of configuring and … of ITIL, including Change Management, Problem Management and Incident Management. Troubleshooting – You must be able to take on a technical problem that we are facing in our Application / Infrastructure and restore service according to play books. Security & Compliance – You must have practical experience operating in a compliance and security monitored environment. We operate PCI DSS, SOC2, HIPAA More ❯
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Senior Network Engineer

London, England, United Kingdom
OpticoreIT
Strong understanding of data center infrastructure, including power, cooling, cabling, and physical security considerations during transitions. Extensive experience in designing, implementing, and managing Cisco (e.g., Catalyst, Nexus, ASR / ISR) and Juniper (e.g., MX, EX, SRX) routing and switching platforms Proficiency with routing protocols (BGP, OSPF, EIGRP), MPLS, VXLAN, EVPN, and Spanning Tree protocols Demonstrable experience in designing … implementing, and managing Fortinet FortiGate firewalls (FortiOS, FortiManager, FortiAnalyzer) and Palo Alto Networks firewalls (PAN-OS, Panorama) Strong understanding of core networking principles, protocols, and technologies (TCP / IP, DNS, DHCP, HTTP / S, SNMP, NTP, etc.) What you’ll gain: Here at OpticoreIT we believe in investing in our team as … Incident Manager and Team Lead London, England, United Kingdom 4 days ago Senior Network Security Manager (SASE, SSE) London, England, United Kingdom 3 weeks ago Network Architect - LAN / WLAN, and cloud platforms City Of London, England, United Kingdom 3 days ago London, England, United Kingdom 1 week ago London, England, United Kingdom 4 months ago London, England More ❯
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Sr. Technical Support Engineer, Focused Services (Security Clearance Required)

London, England, United Kingdom
JR United Kingdom
Social network you want to login / join with: Sr. Technical Support Engineer, Focused Services (Security Clearance Required), london (tottenham) col-narrow-left Client: Location: london (tottenham), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 23.05.2025 Expiry Date: 07.07.2025 col-wide Job Description: Our Mission At Palo Alto Networks … unable to proceed with your application. 8+ years of deep technical knowledge and technical support with a strong customer focus or related experience Advanced certifications such as CCIE / JNCIE / CISSP– an advantage Excellent written and spoken communication skills, strength with establishing relationships Ability to independently debug broad, complex, and unparalleled networks with mixed media … Strong project management, time management, and organizational skills Strong analytical skills for interpreting business requirements and translating them into technical specifications Profound knowledge in networking protocols such as – TCP / IP, BGP4 (multi–homing), OSPF (multi–area), ISIS, Multicast, VOIP Expert working knowledge in the operation of Ethernet LAN switching protocols and standards including More ❯
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Information Technology Infrastructure Team Lead

London, England, United Kingdom
Hybrid / WFH Options
UK Centre for Ecology & Hydrology (UKCEH)
hardware and technologies, including Microsoft M365, AD, Azure, VMware, Storage and Backup technologies, and operating systems such as Microsoft Server and Linux Strong networking skills, to include firewalls, TCP / IP, subnetting and routing / switching Experience of automation tooling (e.g. Ansible, Puppet, Chef) Exposure to AWS and block storage would be More ❯
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Provisioning Engineer

London, England, United Kingdom
Infogain
applicants Direct message the job poster from Infogain Job Summary: We are seeking two highly skilled and experienced Data Centre Provisioning Engineers to join our team in London / Dublin. The successful candidates will be responsible for supporting the Edge Deployment team with provisioning and auditing activities, ensuring seamless deployment of services in our data centers. If you … have a strong background in network routing and switching concepts, experience with Linux / Unix command line interfaces, and excellent problem-solving skills, we encourage you to apply. Key Responsibilities: Support the Edge Deployment team with provisioning and auditing activities Initiate and track the provisioning process through to completion, working with field teams to address miscabling issues, repair … Referrals increase your chances of interviewing at Infogain by 2x London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 day ago NOC Engineer – Optical Transmission & IP Circuit Provisioning Operations Engineer (CPOE) London, England, United Kingdom 5 days ago Network Operations Engineer, Sovereign Operations London, England, United Kingdom 12 hours ago London, England, United Kingdom More ❯
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Junior Cybersecurity Consultant

London, England, United Kingdom
Hybrid / WFH Options
som3 Recruitment
and vulnerability management implementations Collaborate with internal and client teams to troubleshoot and resolve issues Maintain clear and structured documentation Participate in the design and automation of IT / security processes Stay up to date with emerging technologies, particularly in the AI and cybersecurity space Completion of a graduate scheme, degree apprenticeship, or equivalent practical experience in IT … languages such as PowerShell, Bash, or Python Understanding of automation tools (e.g. Ansible, Chef) Exposure to patch and vulnerability management tools or frameworks Knowledge of basic networking concepts (TCP / IP, DNS, DHCP, firewalls) Awareness of platforms like Tanium or other systems management tools Experience with AI in technical workflows Understanding of identity and … alerts for “Security Consultant” roles. London, England, United Kingdom 1 month ago Operational Risk Manager (IT and Cyber Security - 6 months FTC) Identity Security - Customer Experience Manager - IAM / IGA - UK / Poland London, England, United Kingdom 6 days ago London, England, United Kingdom 1 week ago London, England, United Kingdom 3 days ago Lead Cyber More ❯
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Senior Network Engineer

London, England, United Kingdom
Deliveroo
About the Role: The Enterprise Networks team designs, builds and sustains the network powering Deliveroo’s internal teams 24 / 7 / 365 - this includes in both office and kitchen locations in multiple countries across Asia, the Middle-East and Europe. As a Senior Network Engineer, you will be responsible for proactively improving our Networking environments … experience with some of the following technologies: Juniper Switches Juniper Mist Wireless or Ruckus Wireless Juniper Firewalls Detailed knowledge of networking fundamentals such as the OSI Model and TCP / IP stack, DHCP and DNS, the 802.11 protocol stack and routing protocols such as OSPF and BGP Demonstrable troubleshooting experience including More ❯
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Linux Platform SME

London, England, United Kingdom
Hybrid / WFH Options
MUFG Americas
technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded. Overview of the Department / Section: MUFG (Mitsubishi UFJ Financial Group) is one of the world's leading financial groups. Headquartered in Tokyo and with approximately 350 years of history, MUFG is a global … delivery. Part of a team providing 24x7 *nix support internationally. Implementation of automated solutions adhering to the strategic goals within the department. Key Responsibilities: Ensure that all project / investment related workloads are delivered according to plans and defined budgets. Take part in the team rota including on-call and weekend working. Identify savings across project & BAU activities … to be implemented through automation involving a process flow of Service Now -> AWX -> Ansible / scripting. Deliver against team BAU responsibilities. Take part in daily health and compliance checks for all Production systems as required. Ensure all Linux / Unix systems are backed up successfully and any issues are promptly resolved. Validate monitoring alerts are detected More ❯
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Provisioning Engineer

City of London, London, United Kingdom
Infogain
Job Summary: We are seeking two highly skilled and experienced Data Centre Provisioning Engineers to join our team in London / Dublin. The successful candidates will be responsible for supporting the Edge Deployment team with provisioning and auditing activities, ensuring seamless deployment of services in our data centers. If you have a strong background in network routing and … switching concepts, experience with Linux / Unix command line interfaces, and excellent problem-solving skills, we encourage you to apply. Key Responsibilities: Support the Edge Deployment team with provisioning and auditing activities Complete pre-deployment checks prior to initiating provisioning Initiate and track the provisioning process through to completion, working with field teams to address miscabling issues, repair … resolution Requirements: Must-haves: 3+ years of experience in data center deployments and building large-scale infrastructure Strong knowledge of network routing and switching concepts and protocols (BGP, TCP / IP, VLAN, ISIS, OSPF, MPLS) Proficiency in Linux / Unix command line interface Proven ability to analyze complex situations and utilize troubleshooting More ❯
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Provisioning Engineer

London Area, United Kingdom
Infogain
Job Summary: We are seeking two highly skilled and experienced Data Centre Provisioning Engineers to join our team in London / Dublin. The successful candidates will be responsible for supporting the Edge Deployment team with provisioning and auditing activities, ensuring seamless deployment of services in our data centers. If you have a strong background in network routing and … switching concepts, experience with Linux / Unix command line interfaces, and excellent problem-solving skills, we encourage you to apply. Key Responsibilities: Support the Edge Deployment team with provisioning and auditing activities Complete pre-deployment checks prior to initiating provisioning Initiate and track the provisioning process through to completion, working with field teams to address miscabling issues, repair … resolution Requirements: Must-haves: 3+ years of experience in data center deployments and building large-scale infrastructure Strong knowledge of network routing and switching concepts and protocols (BGP, TCP / IP, VLAN, ISIS, OSPF, MPLS) Proficiency in Linux / Unix command line interface Proven ability to analyze complex situations and utilize troubleshooting More ❯
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Junior IT Engineer

London, England, United Kingdom
CRFS Group
end-user documentation. Management of SaaS and PaaS applications. Experience and Qualifications Required Sufficient technical skills in Windows 10, Apple OS, Azure AD (Entra), AD, Group Policies, Microsoft / Office 365. Windows imaging and deployment. Understanding of basic Networking (IP subnet / routing, TCP / IP / More ❯
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Network Development Engineer , OpsTechIT Infrastructure Operations

London, England, United Kingdom
Amazon
software development and testing, driving operational excellence and cross-cutting initiatives among others. BASIC QUALIFICATIONS -Bachelor's degree in CS or similar -Experience in network automation using Bash / shell scripting and programming preferably Python (key must requirements for the role) -Hands-on experience in network engineering, working with IP routing protocols, technologies, and platforms in … large-scale enterprise, data center, and / or WAN environments. -Experience developing engineering, deployment, or operational mechanisms to support IP networks and networking systems. -Strong ability to collaborate within a diverse team and work effectively with a wide range of colleagues. PREFERRED QUALIFICATIONS -In-depth knowledge of TCP / IP networking, IP routing, and network security architecture, including core technologies such as IP, TCP, BGP, Multicast, Firewalls, ACLs, DNS, and DHCP. -Hands-on experience with one or more router, load balancer, and firewall platforms from vendors such as Cisco, Juniper, Alcatel-Lucent, Arista, Brocade, Extreme, Citrix, F5, Fortinet, and Palo Alto. -Strong More ❯
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Desktop Support Engineer

City of London, London, United Kingdom
Franklin Fitch
You will also be given a great opportunity to develop your technical skills and grow in a dynamic, successful company. You will need: Experience providing on-site 1st / 2nd Line Support. Microsoft Stack - Windows Server, M365, Intune, Azure Virtualisation - VMware and Hyper-V Basic networking skills - DNS, DHCP, TCP / IP More ❯
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Desktop Support Engineer

London Area, United Kingdom
Franklin Fitch
You will also be given a great opportunity to develop your technical skills and grow in a dynamic, successful company. You will need: Experience providing on-site 1st / 2nd Line Support. Microsoft Stack - Windows Server, M365, Intune, Azure Virtualisation - VMware and Hyper-V Basic networking skills - DNS, DHCP, TCP / IP More ❯
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Infrastructure Engineer

London, England, United Kingdom
JR United Kingdom
Social network you want to login / join with: ? Infrastructure Engineer | Managed Hosting | Nutfield, Surrey ? Full-time | £35,000 - £45,000 Basic Salary | Hands-on across 2nd to 3rd Line | Office-Based (with overtime options) Looking to break out of the typical MSP grind and actually make an impact? A growing managed hosting provider is on the lookout … out-of-hours work (paid overtime) ? Tech You'll Use: Microsoft Windows Server & Exchange (2010–2016) Active Directory, Group Policy, NTFS Permissions Microsoft RDS, Hyper-V, Veeam, SonicWALL / Draytek PowerShell, Batch / VBA scripting, Office 2010–2016 Networking: TCP / IP, DNS, DHCP, VLANs, VPN What We're Looking More ❯
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Systems Administrator

London, England, United Kingdom
Hybrid / WFH Options
Clearly Development
with a focus on Proxmox and other VM software. Configure and maintain clustering solutions to ensure high availability and scalability. Networking Troubleshoot and resolve network issues, including LAN / WAN configurations, routing, and firewalls on a bare-metal environment. Implement and manage network security protocols to protect sensitive data and prevent breaches. Monitor and optimize network performance. Development … Work closely with development teams to understand project requirements and assist with deployment processes. Interpret and troubleshoot projects written in Express, React, and related development libraries. Support CI / CD pipelines and deployment automation. System Security Ensure systems and networks comply with security best practices and standards. Perform regular audits, updates, and patching to maintain system integrity. Documentation … comprehensive documentation of system architecture, configurations, and processes. Provide regular updates and reports to stakeholders on system performance and reliability. Requirements Technical Skills Solid understanding of networking concepts: TCP / IP, DNS, DHCP, VLANs, VPNs, and firewalls. Proficiency with virtualization technologies, especially Proxmox. Experience with clustering and high-availability solutions. Familiarity with Linux systems More ❯
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IT Support Engineer with 1st and 2nd Level Support

London
Hybrid / WFH Options
Nexus Jobs Limited
As we work closely with our parent company in the Middle East and our European Branches, we require supporting ad-hoc out of hours support on Bank Holidays / Weekends which is rota based between the engineers in the team. 1st and 2nd Line Troubleshooting / Root-Cause Analysis, Documentation write ups for Knowledge Base Articles … issues, with following ITIL best practice to ensure we always deliver high-standards of operations Liaise with colleagues in London, Europe and Jordan (middle-east) and external support / 3rd party to deliver resolutions for complex matters as we’re in the process of many IT migration projects from legacy to new as well as life cycling projects … Departments) Technical Skills Required: Exposure to Market Data, Bloomberg, Trader Support (bonus) Microsoft Windows (all versions) experience to a high level (troubleshoot and effectively resolve issues by research / using knowledge bases in a confident way). Active Directory to a medium-high level - security groups, administration / deployment, LDAP, ADSI. Know-how of Citrix XenApps More ❯
Employment Type: Permanent
Posted:

Global Cyber Security Analyst

London, England, United Kingdom
Dentons
oriented and skilled in working within a collaborative environment Ability to multi-task, prioritize and execute tasks in a high-pressure environment Required flexibility to work nights, and / or holiday shifts in the event of a serious incident. This role is designated to work on weekends. Excellent written and verbal communication, interpersonal, intercultural, and presentation skills Occasional … years of experience in incident analysis, security architecture, malware research, SOC analyst, or any other similar incident response experience Fundamental understanding of security tools such as SIEM, IDS / IPS, web proxies, DLP, SIEM, DNS security, DDoS protection, and firewalls Knowledge of MITRE ATT&CK security framework, Cyber Kill Chain analysis, and / or other useful … threat analysis models Knowledge of the incident response process (PICERL) and industry best practices, TCP / IP protocols, computer networking, routing, switching, Window and Linux operating systems, and encryption technologies Experience analyzing and inspecting log files, network packets, and any other security tool information output from multiple system types Familiar with basic reverse engineering More ❯
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TCP/IP
London
10th Percentile
£31,500
25th Percentile
£36,250
Median
£52,500
75th Percentile
£74,258
90th Percentile
£83,750