Network security jobs in Portsmouth - Page 2Create job alerts

Network Solutions Engineer | Defence Sector | SC/DV Clearance | Battlefield Domains | Hybrid Dorset | £90k We’re working closely with a leading defence organisation to support the hiring of multiple Network Solutions Engineers for a high-impact programme focused on battlefield c

Implement network security patterns such as Zero Trust networking, least privilege access, micro-segmentation, and private service access. Support detection and response for network and perimeter security incidents and perform continuous review of exposure. Automate networking and security configura

It offers a salary of £36,500 (possibly higher for the right candidate) along with some fantastic benefits such as: 24days' holiday (rising to 27) + bank holidays, Hybrid working (based on team and business needs), Contributory pension & life assurance, Flexitime & cycle to work scheme, Free eye te

Implement network security patterns such as Zero Trust networking, least privilege access, micro-segmentation, and private service access. Support detection and response for network and perimeter security incidents and perform continuous review of exposure. Integrate security controls into CI/CD pip

We are seeking an experienced Hybrid Cloud & Network Security Architect to lead the design and definition of a secure, scalable hybrid cloud edge and DMZ hosting architecture. Core Networking: Enterprise LAN / WAN / SD‑WAN architecture and design, routing & switching (L2 / L3), Wi‑Fi controllers

Implement network security patterns such as Zero Trust networking, least privilege access, micro-segmentation, and private service access. Integrate security controls into CI/CD pipelines and promote secure-by-design cloud networking. Support detection and response for network and perimeter security

In this role, you'll provide expert guidance on network security solutions and assist customers on their zero trust journey. Responsibilities include collaborating with sales, leading customer demonstrations, and architecting solutions for enhanced security. Required is a background in pre-sales eng

The Network Security Specialist – L1 is responsible for network/firewall deployments, firewall policy configurations and troubleshooting related incident tickets. They will work closely with all members of the IT Operations team to continuously build, operate and ensure the integration, manageabil

A leading financial technology firm in London seeks a Senior Network and Security Engineer. This role involves designing and maintaining global network infrastructure, ensuring resilience and security in a fast-paced environment. Candidates must have strong experience with Cisco ACI, multicast netwo

A leading technology organization in Greater London is seeking a Network Security Specialist – L1. Ideal candidates have 1-3 years of experience in network administration, with skills in firewall policy configuration, and proficiency in networking protocols. This role entails managing network and

If you’re a Network Security Engineer (NOC) who thrives in fast‑paced, complex environments, this is a great chance to make a tangible impact on network security and operational excellence. Join a forward-thinking team as a Network Security Engineer (NOC), helping to protect and optimise critica

A leading airline is seeking a Cyber Security Engineer - Network Security to develop technical solutions in safeguarding operations against cyber threats. Applicants should possess strong technical security skills, experience in complex organizations, and knowledge of networking and cloud technologi

The Network Security Engineer will review and manage network services by monitoring internal and external communications, ensuring the security of the organisation's IP. Proven track record within a similar role (Cybersecurity Engineer, Security Engineer, Network Analyst). Network Security Engineer

Tenable is committed to protecting the privacy and security of your personal data. Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and

Ideal candidates must possess strong network security skills, experience in complex organizations, and knowledge of relevant tools such as Cisco and AWS. An international airline is seeking a Cyber Security Engineer to develop technical security solutions to protect against cyber-attacks. The role i

Proven experience in network security engineering with a strong understanding of network protocols. Conduct training and awareness sessions for staff on best practices in network security. Assist in the development of disaster recovery and business continuity plans related to network security.

Network Security Controls: Firewalls, WAF, software‑defined network segmentation, IDS/IPS, Proxies and NAC. Network Security Policies: Definition and enforcement of policies for secure network operations and access. Network Traffic Analysis: Interpretation, monitoring and analysing network traffic

A financial services firm is seeking a Network & Security Engineer to design, implement, and operate their network and security infrastructure.

Solid background in network security, firewalling, and proxy technologies. Contract Network Security Engineer – Zscaler (ZIA/ZPA). The role involves hands–on engineering, troubleshooting, and integration within a complex global network.

We are looking for an experienced IT Infrastructure Engineer with extensive network security background to work with a large global financial services company. The role requires expertise in networking (TCP/IP, HTTP, SMTP), security, risk, governance, automation, and identity & access management, wi

Mobile Security Engineer - £40,000 - Hackney. I Am Currently Representing An Nationwide Fire & Security Specialist Company, Who Carry Out A Variety Of Services From Design, Installation And Maintenance To A Number Of Clients. Due to sheer Growth they are seeking a security engineer to work within t

SC Cleared & Active - Network Engineer (Engineering Authority (Specialist Engineer). Onboarding devices onto network management platform.

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. Designing and delivering cloud-based and on-prem network and security solutions. Open to experience wit

The Network Security Architect is a global network security position that must work independently and within the team. Thorough knowledge and experience with Network security standards (Network architecture analysis, Network Administration, Load balancer and Firewall Engineering). Key responsibiliti

Cyber Security Engineer - Network Security. Our cyber security engineers build and develop the technical security solutions that keep our airline and our customers safe from cyber-attack. Working knowledge of Network tools e.

Proven experience as a Network Security Engineer or in a similar role focused on network security. Designing, implementing, and managing network security architectures to protect against cyber threats. Relevant certifications such as CISSP, CISM, CCNP Security, or CompTIA Security+.

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. They are currently seeking an experienced L3 Network Security Engineer to join the team on a 6-month contract based i

Develop and maintain documentation on network infrastructure and system security designs;. Responsible for the overall design and implementation of various security solutions to fulfill the business and security requirements;. Solid concept and hands‑on experience on network, system security solut

Enterprise networking across L2–L4, security policies, and firewall design. Principal Network & Security Engineer (Contract). Principal Network & Security Engineer for Adroit Cloud Consulting Contractor, 6 months Fully remote.

Knowledge of network security standards and frameworks, and a broad understanding of network security architectures and solutions. The Network Security Architect is a global network security position that must work independently and within the team. Hands‑on implementation and troubleshooting of n

Possess a comprehensive security knowledge framework and sound security principles, with a keen sensitivity to security issues. Prior experience in office network security planning and design within a large internet company is preferred. Plan and build security capabilities for the office network su

A Network Security Engineer works closely with Network Engineers from other areas of the network. As Network Security Engineer you will be working with next generation firewalls, DoS and DDoS mitigation solutions, security reporting tools. Review changes and proposals from a security point of view.

A nationwide fire & security specialist company in Greater London is looking for a Mobile Security Engineer.

A leading tech company based in Greater London is seeking a Network Security Engineer to manage security solutions and collaborate with network teams. The role involves troubleshooting, reviewing security policies, and liaising with vendors to enhance security measures.

A leading security specialist company seeks a Security Small Works Engineer to cover the Hackney area. Suitable candidates should possess relevant qualifications in the security field.

The role covers design and optimisation of network infrastructure with a focus on security and compliance. A leading IT consultancy seeks a Senior Network Engineer for a 6-month contract starting in July. Ideal candidates will possess CCNP and ITIL v4 certifications and have extensive experience in

A leading technology company in the UK is seeking a Senior Network & Security Engineer to design, implement, and maintain their network and security infrastructure. The ideal candidate will manage change requests on networking and firewall devices, participate in compliance audits, and communicate e

Research latest network cyber threat developments and recommend any actions that will improve network performance and security. Reviewing and managing network security services in line with Group security objectives and policies. You will ensure best practices are used for delivering network securit

A technology solutions provider is seeking an SC Cleared Network Engineer to work remotely, with travel to the West Midlands and Southern locations (20-40% travel).

This role involves providing technical support, fault‑finding across structured networks, and working with CCTV and IP security systems. The ideal candidate will have a minimum of 3 years' experience in networking and piel be proactive in optimizing service delivery. A technology solutions company

Identify, advise on and remediate network andghar? network and security risks. Senior Network Security Engineer. Lead investigation and resolution of network and security incidents.

Network Security Consultant– UK (Remote) - Up to £72,000 Basic Salary. This role focuses on the design and delivery of complex network and security solutions across enterprise and public sector clients. Act as a senior technical authority and escalation point across network and security projects.

We are seeking a Network and Security Engineer to be part of a highly motivated team in a challenging and rewarding environment. We expect candidates to be creative, innovative, team oriented and have the ability to work in a fast-paced environment providing Level 2 and 3 technology support and admi

The ideal candidate will have a relevant degree, experience in network security engineering, and certifications like CCNP Security, CISSP, or CISM. A leading technology firm in the United Kingdom is seeking a Network Security Engineer to design and manage solutions that protect their IT infrastructu

By delivering a true platform and empowering a growing ecosystem of change‑makers like us, we provide highly effective and innovative cybersecurity across clouds, networks, and mobile devices. In this role, you will work closely with CISOs, Security Architects, Customer Success Managers, and Devel

The primary responsibility will be to design, implement and operate the network and security environment in accordance with the teams policies, processes and procedures. Pro-actively maintain the network and security hardware, applications, and services. Significant experience with M&A activities ac

A leading health and wellness retailer is seeking a Principal IT Security Engineer to enhance their security posture across a distributed IT landscape. You'll architect comprehensive security measures from network to cloud, ensuring safety through diverse environments. The ideal candidate has senior

Network performance monitoring and packet capture and analysis. Network automation knowledge including using API, Programming, Scripting and Orchestration skills. Be eligible for Security Clearance and adhere to CDW policies and GDPR Best practices.