70 Network Security jobs in the United Kingdom
Network Engineer - Belfast
Job Viewed
Job Description
Job Title: Network Engineer
Location: Belfast/Hybrid
Hybrid - Onsite Days: Mon, Wednesday & Thurs required, remainder remote per week
Department: IT Infrastructure & Network Services
Reports to: Operations Manager
Type: Full-time Perm
Salary - £58 - 60k neg. on experience.
Candidates must possess full working rights as sponsorship is not offered for this position.
Benefits:
Car Allowance
Health Allowance
Annual Bonus (performance based discretionary - up to 10%)
Annual Leave 22 Days + NI Public Holidays
Overview:
Our client is seeking a highly skilled and customer-focused Network Engineer to join their dynamic team. This is a critical role responsible for both project delivery and 3rd level incident support across a range of enterprise clients. The ideal candidate will bring deep technical expertise in Cisco networking (LAN, WLAN, SDA, ACI) and Fortinet technologies, with a strong focus on delivering outstanding customer service.
The Network Engineer will play a key role in the design, implementation, and support of advanced network solutions, working closely with clients, vendors, and internal teams to ensure high performance, security, and scalability.
Key Responsibilities:
- Contribute to the design, deployment, and support of complex network infrastructures based on customer-specific requirements.
- Provide advanced (3rd level) technical support to clients and collaborate on the resolution of escalated network issues.
- Participate in the on-call rota to support 24x7 service availability.
- Create and maintain comprehensive documentation including Statements of Work, High- and Low-Level Designs, implementation plans, and test cases.
- Adhere to and support change control and security processes in customer environments.
- Act as a trusted technical advisor, presenting proposed solutions and technical updates to customers (both verbal and written).
- Liaise with internal teams, vendors, and partners to assess and implement emerging technologies.
- Transfer knowledge to the Service Operations Centre and other internal teams to support ongoing service delivery.
- Participate in relevant vendor certification programs and maintain awareness of industry trends and best practices.
Essential Skills & Qualifications:
- Cisco Certified Network Professional (CCNP) certification (minimum requirement).
- Proven experience with Fortinet solutions (configuration, deployment, troubleshooting).
- Minimum 8 years' experience working in complex enterprise or government IT environments, ideally within a professional services setting.
- In-depth understanding of enterprise-class IP Networking and security standards.
- Strong verbal and written communication skills with the ability to communicate technical concepts to non-technical stakeholders.
- Demonstrated ability to work independently and collaboratively in a virtual or distributed team environment.
- Excellent interpersonal and stakeholder management skills.
Desirable Skills & Certifications:
- Cisco Certified Network Professional (CCNP) certification or equivalent experience.
- Cisco Wireless accreditations (ENWLSD, ENWLSI).
- Fortinet Professional certifications.
- Experience with cybersecurity technologies including Firewalls, IPS, UTM, UTP, and SASE.
- Familiarity with MPLS technologies, Cisco wireless, and Aruba solutions.
- Experience with network Scripting and automation.
- Exposure to carrier-class network management tools and enterprise support platforms.
Key Competencies:
Technical & Business Competencies:
- Strong technical acumen and ability to troubleshoot complex networking issues.
- Exceptional time management and organisational abilities.
- High standard of customer service and satisfaction (internal & external).
- Consistent adherence to IT policies, security practices, and quality standards.
Soft Skills & Team Competencies:
- Teamwork and collaboration
- Influence and relationship building
- Problem solving and innovation
- Clear oral and written communication
Tools & Technologies:
- Proficiency in Microsoft Excel, PowerPoint, and Visio (essential)
- Scripting skills (desirable)
This role offers the opportunity to work with cutting-edge technologies in a fast-paced and customer-focused environment, with strong support for professional development and certification.
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Network Security Engineer
Posted 2 days ago
Job Viewed
Job Description
Team purpose
We are here to change lives through better sight and hearing by delivering outstanding value, being loved by every customer and creating the place where all colleagues are proud to belong as we grow our business.
The Network Platform team will own and develop (with the Enterprise Architecture team) the strategic network roadmap. Delivering changes, product development and maintenance required to achieve the objectives of the roadmaps. The team will also provide support and technical expertise in the case of a major incident. They work closely with third-party partners to deliver a safe, resilient, robust Network Platform and continuously review the industry and market, testing new concepts and technologies that can add value.
Your purpose
The Network Security Engineer supports the Lead Network Security Engineer in delivering the Network Security Roadmap. This role supports the implementation of Infosec-driven initiatives and acts as the second line of escalation for Network Security Incidents and ad hoc service and portfolio support requests. This role is accountable for establishing and maintaining secure network configurations, including firewalls, routers, switches, and VPNs, and periodically reviewing firewall rules and user access to the network. The Network Security Engineer focuses on continuous improvement through automation and tooling, working with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches. Additionally, this role implements network access controls, enforces robust patch management for network devices, and works with network security partners to identify network vulnerabilities, planning and implementing upgrades to ensure the highest standards of network security.
This role is required to participate in an on-call rota for out-of-hours escalations for the Global Network Team.
Your role
Support Network Security Roadmap: Assist in delivering the Network Security Roadmap.
Subject Matter Expertise: Provide network subject matter expertise on Infosec-driven initiatives.
Incident Escalation: Second line of escalation for network security incidents, as well as specific security Service and Portfolio Requests i.e. Meraki configuration and firewall changes.
On Call Rota: Participate in on-call rota and occasionally work out of regular business hours to facilitate change management and incident resolution.
Secure Network Configurations: Establish and maintain secure network configurations including Cisco Meraki and Palo Alto firewalls, routers, switches, and VPNs.
Firewall and Access Review: Periodically review firewall rules and user access to the network.
Continuous Improvement: Focus on continuous improvement through automation and tooling.
Monitoring and Analysis: Collaborate with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches.
Access Controls: Implement network access controls to ensure only authorised users and devices can access specific network segments.
Vulnerability and Patch Management: Identify and manage the remediation of network vulnerabilities and upgrades to ensure the highest standards of network security. This includes vulnerability management of the store Meraki estate. Perform robust patch management for network devices.
IT Values Commitment: Champion and commit to performing the role within recognised Values & Behaviours.
What you'll bring
Advanced Expertise in network solutions including MPLS, Internet, Cloud services, Firewalls, Routers, switches, Palo Alto, Meraki, and Cisco services.
Bachelor's degree in relevant field and/or industry recognised certifications i.e. Cisco Certified Network Associate (CCNA).
Proficiency in establishing secure network configurations, including firewalls, routers, switches, and VPNs.
Experience with network access controls, vulnerability and patch management.
Experience in implementing network-security solutions.
Excellent verbal and written communication skills to articulate technical concepts to both technical and non-technical stakeholders.
Expertise in monitoring and analysing network performance and incidents.
Previous experience participating in on-call rotations and managing out-of-hours incidents effectively.
Strong analytical skills to assess complex technical problems and develop effective solutions.
Expertise in troubleshooting and resolving network security-related issues.
Ability to work closely with cross-functional teams, including architecture, infosec and regional implementation teams.
Dedication to performing the role within recognised values and behaviours.
Network Security Engineer
Posted 2 days ago
Job Viewed
Job Description
Summer-Browning Associates is currently supporting our public sector client, who is seeking a Network Security Engineer for an initial twelve-month assignment with the option to extend.
Location: Hybrid working - Kidlington or Southampton
About the role: You will be responsible for day-to-day operation and control of all aspects of the client's sites and local area communications network infrastructure including Voice.
The ideal candidate will hold Active SC and have a strong background in delivery Network & Security support, with the following skills and experience:
- Experience with Checkpoint, Fortinet, Cisco & Solarwinds.
- Knowledge of IT and Voice Networks.
- Holds a recognised IT Networking qualification, or equivalent experience.
- Knowledge of Networking protocols & standards.
Network Security Consultant
Posted 2 days ago
Job Viewed
Job Description
Description
The Network Security Consultant will provide delivery leadership within the Professional Services consultancy team primarily aligned to clients in the USA region. This client-facing role includes the following responsibilities.
Personal/General
Maintain day to day records of project work to allow accurate billing and reporting of consultancy time;
- Maintain effective network of business contacts within Verizon and their partner community; li>Maintain and grow their own knowledge to ensure this maintains fully relevant to the network security services practice and its clients;
- Have strong presentation and written/verbal communications skills at multiple levels of an organization;
- Have a minimum of 5+ years of network security consulting, design and delivery experience.
As a Network Security Consultant you will bring –
Technical expertise with very strong skills in most of the technologies below:
- < i>Firewalls: Checkpoint, Juniper, Palo Alto, Cisco ASA/FTD, Fortinet;
- Proxy Services: Bluecoat (forward/reverse proxy), Zscaler;
- Load Balancers: F5 (LTM/GTM);
- IDP/IPS: FirePower/Sourcefire IPS/IDS, McAfee
- Identity & Access Management: Cisco ISE, Aruba Clearpass policy manager;
- Routing & Switching : (CCNP/CCNA level), and good knowledge of SD-WAN deployments;
- Good understanding of key technologies such as: VRF, dynamic routing (EIGRP/BGP/OSPF), MPLS, DMVPN, GRE, IPSec VPN
- Remote Access VPN: GlobalProtect, Pulse Secure, Cisco AnyConnect;
- Knowledge of Cloud deployments (Azure/AWS/GCP);
- Experience with building, maintaining, reviewing all configurations/settings/policies on chosen technologies;
- Experience of multi-vendor, managed outsourcing environments;
- Experience working with operational environments following ITIL frameworks;
- Excellent documentation and presentation skills;
- Excellent troubleshooting skills (technical and non-technical);
- Ability to review processes and procedures – and improve them; < i>Experience participating in network & system security projects to provide:
- Business requirements analysis and support for Solutions Architects;
- Production of detailed infrastructure designs including physical and virtual aspects of security components;
- Migration of complex legacy infrastructures to new managed security services platforms;
- Understanding and demonstrable experience working in an Agile environment and actively participating in a Scrum team;
- Experience using Jira to help define user stories, tasks and associated estimates.
It is likely that you will have gained some of the following professional qualifications:
- CCNA/CCNP (Enterprise/Security/Data Center);
CISSP or equivalent; - Palo Alto (PCNSA/PCNSE);
- Checkpoint (CCSA/CCSE);
- Fortinet (NSE)
Network Security Engineer
Posted today
Job Viewed
Job Description
Team purpose
We are here to change lives through better sight and hearing by delivering outstanding value, being loved by every customer and creating the place where all colleagues are proud to belong as we grow our business.
The Network Platform team will own and develop (with the Enterprise Architecture team) the strategic network roadmap. Delivering changes, product development and maintenance required to achieve the objectives of the roadmaps. The team will also provide support and technical expertise in the case of a major incident. They work closely with third-party partners to deliver a safe, resilient, robust Network Platform and continuously review the industry and market, testing new concepts and technologies that can add value.
Your purpose
The Network Security Engineer supports the Lead Network Security Engineer in delivering the Network Security Roadmap. This role supports the implementation of Infosec-driven initiatives and acts as the second line of escalation for Network Security Incidents and ad hoc service and portfolio support requests. This role is accountable for establishing and maintaining secure network configurations, including firewalls, routers, switches, and VPNs, and periodically reviewing firewall rules and user access to the network. The Network Security Engineer focuses on continuous improvement through automation and tooling, working with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches. Additionally, this role implements network access controls, enforces robust patch management for network devices, and works with network security partners to identify network vulnerabilities, planning and implementing upgrades to ensure the highest standards of network security.
This role is required to participate in an on-call rota for out-of-hours escalations for the Global Network Team.
Your role
Support Network Security Roadmap: Assist in delivering the Network Security Roadmap.
Subject Matter Expertise: Provide network subject matter expertise on Infosec-driven initiatives.
Incident Escalation: Second line of escalation for network security incidents, as well as specific security Service and Portfolio Requests i.e. Meraki configuration and firewall changes.
On Call Rota: Participate in on-call rota and occasionally work out of regular business hours to facilitate change management and incident resolution.
Secure Network Configurations: Establish and maintain secure network configurations including Cisco Meraki and Palo Alto firewalls, routers, switches, and VPNs.
Firewall and Access Review: Periodically review firewall rules and user access to the network.
Continuous Improvement: Focus on continuous improvement through automation and tooling.
Monitoring and Analysis: Collaborate with Security Operations to monitor and analyse network traffic for malicious activity or potential breaches.
Access Controls: Implement network access controls to ensure only authorised users and devices can access specific network segments.
Vulnerability and Patch Management: Identify and manage the remediation of network vulnerabilities and upgrades to ensure the highest standards of network security. This includes vulnerability management of the store Meraki estate. Perform robust patch management for network devices.
IT Values Commitment: Champion and commit to performing the role within recognised Values & Behaviours.
What you'll bring
Advanced Expertise in network solutions including MPLS, Internet, Cloud services, Firewalls, Routers, switches, Palo Alto, Meraki, and Cisco services.
Bachelor's degree in relevant field and/or industry recognised certifications i.e. Cisco Certified Network Associate (CCNA).
Proficiency in establishing secure network configurations, including firewalls, routers, switches, and VPNs.
Experience with network access controls, vulnerability and patch management.
Experience in implementing network-security solutions.
Excellent verbal and written communication skills to articulate technical concepts to both technical and non-technical stakeholders.
Expertise in monitoring and analysing network performance and incidents.
Previous experience participating in on-call rotations and managing out-of-hours incidents effectively.
Strong analytical skills to assess complex technical problems and develop effective solutions.
Expertise in troubleshooting and resolving network security-related issues.
Ability to work closely with cross-functional teams, including architecture, infosec and regional implementation teams.
Dedication to performing the role within recognised values and behaviours.
Network Security Engineer
Posted today
Job Viewed
Job Description
Summer-Browning Associates is currently supporting our public sector client, who is seeking a Network Security Engineer for an initial twelve-month assignment with the option to extend.
Location: Hybrid working - Kidlington or Southampton
About the role: You will be responsible for day-to-day operation and control of all aspects of the client's sites and local area communications network infrastructure including Voice.
The ideal candidate will hold Active SC and have a strong background in delivery Network & Security support, with the following skills and experience:
- Experience with Checkpoint, Fortinet, Cisco & Solarwinds.
- Knowledge of IT and Voice Networks.
- Holds a recognised IT Networking qualification, or equivalent experience.
- Knowledge of Networking protocols & standards.
Network Security Consultant
Posted today
Job Viewed
Job Description
Description
The Network Security Consultant will provide delivery leadership within the Professional Services consultancy team primarily aligned to clients in the USA region. This client-facing role includes the following responsibilities.
Personal/General
Maintain day to day records of project work to allow accurate billing and reporting of consultancy time;
- Maintain effective network of business contacts within Verizon and their partner community; li>Maintain and grow their own knowledge to ensure this maintains fully relevant to the network security services practice and its clients;
- Have strong presentation and written/verbal communications skills at multiple levels of an organization;
- Have a minimum of 5+ years of network security consulting, design and delivery experience.
As a Network Security Consultant you will bring –
Technical expertise with very strong skills in most of the technologies below:
- < i>Firewalls: Checkpoint, Juniper, Palo Alto, Cisco ASA/FTD, Fortinet;
- Proxy Services: Bluecoat (forward/reverse proxy), Zscaler;
- Load Balancers: F5 (LTM/GTM);
- IDP/IPS: FirePower/Sourcefire IPS/IDS, McAfee
- Identity & Access Management: Cisco ISE, Aruba Clearpass policy manager;
- Routing & Switching : (CCNP/CCNA level), and good knowledge of SD-WAN deployments;
- Good understanding of key technologies such as: VRF, dynamic routing (EIGRP/BGP/OSPF), MPLS, DMVPN, GRE, IPSec VPN
- Remote Access VPN: GlobalProtect, Pulse Secure, Cisco AnyConnect;
- Knowledge of Cloud deployments (Azure/AWS/GCP);
- Experience with building, maintaining, reviewing all configurations/settings/policies on chosen technologies;
- Experience of multi-vendor, managed outsourcing environments;
- Experience working with operational environments following ITIL frameworks;
- Excellent documentation and presentation skills;
- Excellent troubleshooting skills (technical and non-technical);
- Ability to review processes and procedures – and improve them; < i>Experience participating in network & system security projects to provide:
- Business requirements analysis and support for Solutions Architects;
- Production of detailed infrastructure designs including physical and virtual aspects of security components;
- Migration of complex legacy infrastructures to new managed security services platforms;
- Understanding and demonstrable experience working in an Agile environment and actively participating in a Scrum team;
- Experience using Jira to help define user stories, tasks and associated estimates.
It is likely that you will have gained some of the following professional qualifications:
- CCNA/CCNP (Enterprise/Security/Data Center);
CISSP or equivalent; - Palo Alto (PCNSA/PCNSE);
- Checkpoint (CCSA/CCSE);
- Fortinet (NSE)
Network Security Engineer
Posted today
Job Viewed
Job Description
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Network Security Engineer
Posted 24 days ago
Job Viewed
Job Description
Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. The team thrives in finding security issues and eradicating them and makes life hard for bad actors. With focuses that range from large scale Distributed Denial of Service (DDoS), routing security, security tool development, defense against internal and external attacks there's lots of room to push your skill set in deploying network security controls at scale.
**Required Skills:**
Network Security Engineer Responsibilities:
1. Identifying risks across network infrastructure that would lead to the exposure of sensitive data, unauthorized access, or loss of availability and prioritizing remediation efforts to address gaps
2. Influence security direction of the network, including management software and infrastructure to protect the network integrity of Meta platforms
3. Conceptualize and lead efforts towards building sustainable and scalable network layer security controls and tooling
4. Mentor and champion security practices through cross functional work with engineering teams throughout Meta
5. Keep Meta's safe through active operation and defense of critical network infrastructure
**Minimum Qualifications:**
Minimum Qualifications:
6. Engineering degree, or a related technical discipline, or equivalent work experience
7. Experience coding in higher-level languages (e.g. Python, Rust, Go, C++)
8. Experience in configuration and maintenance of network platforms such as firewalls, routers, switches, load balancers, and proxies
9. Experience learning software, frameworks and APIs
**Preferred Qualifications:**
Preferred Qualifications:
10. Understanding of implementation and scaling of access controls across both host and network layers.
11. Understanding of threat models to better protect against attacks or detect new vectors.
12. Experience leading network efforts to investigate, prevent, and mitigate security incidents.
13. Experience evaluating and testing new vendor platforms and in house network initiatives for security issues.
14. Experience leveraging layered security models to defend critical network infrastructure.
**Industry:** Internet
Network Security Engineer
Posted 2 days ago
Job Viewed
Job Description
Key Responsibilities:
- Design, implement, and manage network security solutions.
- Configure and maintain firewalls, VPNs, IDS/IPS, and other security appliances.
- Conduct regular security audits and vulnerability assessments.
- Monitor network traffic for security breaches and suspicious activity.
- Develop and execute incident response plans.
- Implement security best practices and standards.
- Provide technical support for security-related issues.
- Stay updated on emerging cybersecurity threats and technologies.
- Collaborate with IT teams on security infrastructure projects.
- Ensure the confidentiality, integrity, and availability of network resources.
Qualifications:
- Proven experience as a Network Security Engineer or in a similar role.
- Strong knowledge of network protocols (TCP/IP, DNS, HTTP) and security concepts.
- Experience with firewalls, VPNs, IDS/IPS, and SIEM solutions.
- Familiarity with cybersecurity frameworks and best practices.
- Excellent analytical and problem-solving skills.
- Relevant certifications such as CISSP, CCNA Security, or Security+ are highly desirable.
- Ability to work independently and manage time effectively in a remote setting.
- Strong communication and documentation skills.
Network Security Engineer
Posted 3 days ago
Job Viewed
Job Description
Key responsibilities include configuring and managing firewalls, intrusion detection/prevention systems (IDPS), VPNs, and other security appliances. You will conduct regular security audits, vulnerability assessments, and penetration testing to identify and address potential weaknesses. Monitoring network traffic for suspicious activity and responding to security incidents in a timely and effective manner are also critical duties. The ideal candidate will possess a strong understanding of network protocols, cybersecurity principles, and threat landscapes. Experience with network security technologies, including Cisco ASA, Palo Alto Networks, Fortinet, or similar, is essential. Proficiency in scripting languages (e.g., Python, Bash) for automation of security tasks is highly desirable. Excellent analytical and problem-solving skills, coupled with strong communication and collaboration abilities, are required. We are looking for individuals who are proactive, detail-oriented, and committed to maintaining a high level of security. Relevant certifications such as CISSP, CCNA Security, or CompTIA Security+ are a significant advantage. A minimum of 3-5 years of experience in network security or a related IT security role is preferred. You will be instrumental in ensuring the security and resilience of our critical telecommunications network. Join our dynamic team and contribute to a secure digital future.