1 to 25 of 31 Network Security Engineer Jobs

Senior Network Security Engineer Location: Fully Remote Rate: Up to £450 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Senior Network Security Engineer to join on a 6-month contract. This is a fully remote role, offering an opportunity to work on high-impact security projects … and infrastructure initiatives. You’ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security controls , including identity, networking, and monitoring solutions. Configure and manage Web Application Firewalls (WAFs) to protect … against application-layer attacks. Conduct security audits , review findings, and produce comprehensive reports. Proactively mitigate vulnerabilities identified in security reports and assessments. Collaborate with cross-functional teams to ensure security best practices are followed. Stay up to date with emerging threats, vulnerabilities, and industry trends. Skills & Experience Required Proven experience as a Network & Security Engineer More ❯

Senior Network Security Engineer - WAF 6 months contract Up to £500 per day (Inside IR35) Fully Remote We’re looking for a Senior Network Security Engineer with strong WAF and cloud security experience to join on a 6-month contract. You will take ownership of our web application security posture, drive improvements … across our network security stack, and support key projects focused on cloud, firewall, and WAF optimisation. Key Responsibilities Lead the configuration, tuning, and optimisation of Barracuda WAF platforms Support and enhance Azure networking components including VNets, NSGs, firewalls, load balancers, and routing Work with next-generation firewalls (any major vendor) to improve security controls Monitor, investigate, and … respond to security incidents across WAF, firewalls, and cloud networking Implement and maintain secure network design patterns and best practices Collaborate with architecture, cloud, and application teams to ensure secure service delivery Produce documentation, runbooks, and provide knowledge transfer where required Essential Skills & Experience Strong hands-on experience with WAF technologies, ideally Barracuda WAF Solid understanding of Azure More ❯

An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting our critical systems and ensuring the integrity and security of our network infrastructure. Salary : Circa £50,000depending on experience + shift allowance Dynamic (hybrid) working : 5 days per week on … site due to workload classification, working a 24/7 Shift Pattern Security Clearance : British Citizen This role will require DV Clearance. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks … BPSS) and a Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to More ❯

IT Security Engineer Feltham (Hybrid) £45,000 - £55,000 Base + Benefits Overview The IT Security Engineer is responsible for designing, implementing, and maintaining the security controls that protect the organization’s systems, networks, and data. This role works closely with IT, DevOps, and business teams to ensure that security is embedded throughout technology … operations and architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms. Implement secure network architecture and enforce segmentation … and least-privilege access controls. Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response Monitor and analyze security alerts and network traffic for threats or suspicious activity. Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security More ❯

Join a unique, multi-national Information Management function that partners with governments and the Armed Forces to defend freedom and national sovereignty. As a Network Security Engineer, you'll play a vital role in safeguarding critical systems and network infrastructures as part of a 24x7 Internal Security Response team. We're hiring a Network Security Engineer to join a unique, multinational Information Management function dedicated to supporting the Armed Forces and protecting national interests. This organisation partners with governments to defend freedom and sovereignty, working at the cutting edge of technological security. If you're passionate about cyber defence, thrive in fast-paced environments, and love solving complex technical problems, this … is the place for you. You'll play a critical role as part of a 24x7 Internal Security Response team, helping safeguard our organisation's network infrastructure and respond to security incidents. When you're not collaborating with SOC experts, you'll design and maintain robust security solutions, protecting us against ever-evolving threats. What you More ❯

Overview Are you an experienced L3 Network Security Engineer looking for your next contract role? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation for … world's largest airline groups with 600+ aircraft carrying more than 122 million customers to 260 destinations across 91 countries each year. They are currently seeking an experienced L3 Network Security Engineer to join the team on a 6-month contract based in West London. Ready to make a move? Get in touch and apply today! Key … networking issues. Configure and manage wireless infrastructure, ensuring optimal performance and security. Assist in the deployment and maintenance of F5 load balancers. Collaborate with cross-functional teams to support network upgrades, migrations, and performance tuning. Required Skills Expert-level experience with Juniper routing and switching platforms (eg, MX, EX, SRX). Strong understanding of wireless networking (802.11 standards, WLAN More ❯

Overview A fast-growing hedge fund is building its technology stack from the ground up and seeking a Cloud Network & Security Engineer to take ownership of its cloud networking and security infrastructure. As a Cloud-First, Multi-Cloud company leveraging AWS & Azure, they need an expert to design, secure, and optimize their cloud network architecture. … This is a unique opportunity to build and define the network for a cloud-first hedge fund. If you're a driven Network Engineer looking to make a real impact, apply now! Key Responsibilities This is a blend of design, implementation, and support, giving you the chance to shape and build the network from scratch. You … ll be responsible for: Designing and delivering cloud-based and on-prem network and security solutions Working with Palo Alto Networks (essential), Cisco, or Arista Supporting a multi-cloud (AWS & Azure) and on-prem data center environment Collaborating with the Senior Technology stake-holders to define and implement best practices Helping build low-latency and high-performance networking More ❯

Network and Security Engineer - Palo Alto/Juniper routing Outside IR35 Contract role Hybrid 3-4 visits per month/roughly 1 visit per week - Moorgate nearest tube Must be a UK Citizen (due to role requirements) Outside IR35 contract opportunity for a Network and Security Engineer . This role will focus on implementing … documentation with site-specific configuration details. Review service requests and raise change requests where required. Implement and test firewall policies using Panorama. Troubleshoot connectivity issues across networks, applications, and security devices. Collaborate with security and infrastructure teams to ensure compliance with policies and standards. Configure access policies in PAM systems. What you'll bring: Proven experience with Palo More ❯

Network and Infrastructure Security Engineer Bromley, Kent Upto £50,000 per annum Full Time Are you ready to take ownership of a critical network environment and help shape the future of IT infrastructure in a collaborative, forward-thinking team? Were looking for a Network Engineer who thrives on solving complex challenges, enjoys working across … infrastructure and security domains, and is excited to contribute to a high-performing, close-knit team. This is more than just a technical role its an opportunity to bring your ideas to life, influence how we evolve our network, and play a key part in delivering secure, resilient, and scalable solutions that support the entire business. What youll … do Manage and optimise network infrastructure, including virtual networks, cloud infrastructure, and WAN technologies. Configure and maintain firewalls, routers, load balancers, and switches. Deploy security and operational updates in line with business guidelines. Monitor network performance and resolve bottlenecks. Collaborate with infrastructure and security engineers to align on requirements. Support and educate helpdesk staff on network More ❯

Network and Security Engineer - Palo Alto/Juniper routing Outside IR35 Contract role Hybrid 3-4 visits per month/roughly 1 visit per week - Moorgate nearest tube Must be UK Citizen (due to role requirements) Outside IR35 contract opportunity for a Network and Security Engineer . This role will focus on implementing, testing … documentation with site-specific configuration details. Review service requests and raise change requests where required. Implement and test firewall policies using Panorama. Troubleshoot connectivity issues across networks, applications, and security devices. Collaborate with security and infrastructure teams to ensure compliance with policies and standards. Configure access policies in PAM systems . What you'll bring: Proven experience with More ❯

Network Engineer Bromley, Kent Up to £50,000 per annum Full time, permanent Are you ready to take ownership of a critical network environment and help shape the future of IT infrastructure in a collaborative, forward-thinking team? We’re looking for a Network Engineer who thrives on solving complex challenges, enjoys working across infrastructure … and security domains, and is excited to contribute to a high-performing, close-knit team. This is more than just a technical role — it’s an opportunity to bring your ideas to life, influence how we evolve our network, and play a key part in delivering secure, resilient, and scalable solutions that support the entire business. What you … ll do Manage and optimise network infrastructure, including virtual networks, cloud infrastructure, and WAN technologies. Configure and maintain firewalls, routers, load balancers, and switches. Deploy security and operational updates in line with business guidelines. Monitor network performance and resolve bottlenecks. Collaborate with infrastructure and security engineers to align on requirements. Support and educate helpdesk staff on More ❯

Position: Senior Network & Security Specialist Salary: 80k GBP base Industry: Global Insurer Hybrid: 1 day per week in the office Location: Guildford, Surrey If you're a seasoned IT Infrastructure Engineer with extensive Network Security experience, this role is for you. Our client are one of the largest financial services companies in the world, so … no chance you'll be getting bored anytime soon. Experience: One or more of CISA, CISSP or CRISC Good working knowledge of NIST and COBIT frameworks Data centre/network and workplace architectures Security tooling, risk analysis, or governance roles TCP/IP, HTTP/S, SMTP), proxy servers, email gateways, firewalls, and routing devices. ISO 27001, NIST More ❯

An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting our critical systems and ensuring the integrity and security of our network infrastructure. Salary : Circa £50,000depending on experience + shift allowance Dynamic (hybrid) working : 5 days per week on More ❯

Implementation partner: TCS Only USC required for this position. Please share only USC profiles. Location: Plano, TX (Day One Onsite) Job Description/Skills: Network Security Engineer Lead global initiatives to create and transform infrastructure solutions across the threat prevention space. Interacts externally with key vendors to understand future technology direction and drive product roadmaps to meet … on fundamental networking concepts of DNS, DHCP, Firewalls. Load balancing, IPS, basic routing/switching; excellent understanding of TCP/IP and packet analysis Expertise in creating Application and network diagrams including all pertinent flows and decisions. Capability to summarize complex issues into executive summaries Basic understanding of Cryptography, SSL certificates, SSL decryption/offload methodologies, HSM/HSMaaS … Desired Skills: People management a plus, but not required Mid to senior level expertise in Broadcom/BlueCoat Proxy Security Gateways Design integration with cloud service providers such as Azure, Google, AWS, IBM Expertise in Virtualization, ESXi server management, vSphere, vCenter, vSAN, vMotion to transform hardware based infrastructure to virtual platforms Experience in automation scripts (such as Ansible, Terraform More ❯

This hands-on, senior role requires the design, implementation and administration of enterprise network, security and infrastructure solutions, as well as providing expert third-line support and guidance to colleagues and key stakeholders. Working as part of a small, collaborative team, the role will lead projects and support continuous service improvement. Client Details The hiring organisation is a … and operate Cisco C9200/C9300 access/core switches, Nexus, and UCS fabrics * Manage intersite WAN, internet circuits, DMZ transit, guest networks, SIP, and L2 pseudo WAN connections * Engineer and manage Get VPN routers, certificate servers, and site-to-site/remote VPNs * Integration/admin of RADIUS/AAA across devices * Own ASA firewall (DMZ), Cisco Firepower …/FMC (edge security), user policies, outbound/inbound/NAT rules, TALOS * Administer DUO MFA for VPN/admin access * Enforce wired/wireless 802.1X/MAB standards and Identity Services Engine (ISE) configurations * Maintain certificate management (PKI; device/user/VPN/GetVPN/ISE certs) * Support UCS/Fabric Interconnects, ISE and Firepower servers, SolarWinds More ❯

configure,andtroubleshoot PaloAltofirewalls toensureoptimalsecurity. Implementandmaintain Azuresecuritycontrols ,includingidentity,networking,andmonitoringsolutions. Configureandmanage WebApplicationFirewalls(WAFs) toprotectagainstapplication-layerattacks. Conduct securityaudits ,reviewfindings,andproducecomprehensivereports. Proactively mitigatevulnerabilities identifiedinsecurityreportsandassessments. Collaboratewithcross-functionalteamstoensuresecuritybestpracticesarefollowed. Stayuptodatewithemergingthreats,vulnerabilities,andindustrytrends. Skills&ExperienceRequired Provenexperienceasa Network&SecurityEngineer orsimilarrole. Stronghands-onexperiencewith PaloAltofirewalls andassociatedsecuritypolicies. Strongexperienceworkingwith Azure Solidknowledgeof MicrosoftAzuresecurity toolsandconfigurations. Experiencedeployingandmanaging WAFsolutions . Networkingexperience- Cisco Demonstratedexpertisein securityaudits andremediationplanning. Abilityto analyseandmitigatevulnerabilities fromsecurityreports. Excellentproblem-solvingandcommunicationskills. ContractDetails Type: InsideIR35 Duration: 6Months … Location: FullyRemote DayRate: £450 Network,Security,PaloAlto,Azure,WAF,SecurityAudits,Cisco More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯

Lead Platform Engineer (Global Payment Network - Palo Alto, Security, Python, AWS, Terraform, Ansible) Do you love building and pioneering in the technology space? Do you enjoy solving complex technical problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors … who love to solve real problems and meet real customer needs. We are seeking Platform Engineers who are passionate about creating and supporting Security Infrastructure with emerging technologies to join our team. As a Platform Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One. General Responsibilities: Work with … Jenkins, GitHub, or Artifactory) At least 4 years of experience with AWS At least 2 years of team leadership experience Preferred Qualifications: 7+ years of experience building and deploying network security infrastructure (Firewalls/Firewall Policy, Intrusion Detection, AWS Security Groups) 5+ years of experience with AWS 2+ years of experience in Python or ansible scripting 2+ More ❯