12 network engineer jobs found in London

Senior Network Engineer offering strong Cisco configuration skills, supporting enterprise networking environments, is required by this globally recognised organisation as they look to complete an important project of work. Work will include the following - Configure and support Cisco Switches and Routers Troubleshoot network issues across LAN/WAN Implement changes, upgrades, and improvements Work within ITIL-aligned change control processes Support Firewalls, routing, and switching infrastructure Produce documentation and maintain network diagrams You must be able to demonstrate previous experience across - Strong experience with Cisco networking technologies Hands-on Cisco IOS configuration (switchports, VLANs, routing) EIGRP OSPF GP BFD Knowledge of routing protocols (OSPF, BGP desirable) Firewall experience - essentially Palo Alto, including Panorama deployment Please note, this role is hybrid, with three days per week required in the...

Costello & Reyes Group Ltd has been engaged by its client, an international Pharma firm, to identify an SC Cleared Security Architect Lead for an initial 6 month engagement ( with a likelihood to extend). The Security Architect Lead will be responsible for leading the design and implementation of a Zero Trust Architecture (ZTA) framework aligned to NIST SP 800-207 Zero Trust Architecture principles. This is a strategic role focused on enhancing the organisation's security posture by implementing identity-centric, policy-driven access controls across a hybrid and cloud-first environment. Acting as the key interface between senior client stakeholders and subject matter experts (SMEs), the successful candidate will ensure that architectural decisions are robust, aligned to best practice, and deliverable within the organisation's technical and operational landscape. YOU WILL NEED TO HOLD VALID SC CLEARANCE Key Responsibilities Lead the end-to-end design and delivery...

Costello & Reyes Group Ltd has been engaged by its client, an international Finance house to identify a CyberArk (PAM) Architect for an initial 12 - 18 months engagement (with a likelihood to extend). Overview The Senior CyberArk Architect will be responsible for designing, implementing, and governing enterprise-grade Privileged Access Management (PAM) and identity security solutions across complex hybrid and multi-cloud environments. This role requires deep technical expertise in CyberArk platforms, identity security architecture, and Zero Trust principles, alongside strong experience integrating security technologies across cloud, infrastructure, and enterprise identity ecosystems. The role will act as a senior technical authority, shaping security architecture decisions, leading implementation strategy, and ensuring alignment with industry frameworks and organisational security standards. Key Responsibilities Security Architecture & Design Lead the design...

Senior Infrastructure Engineer - Central London £550 - £600 p/d (outside IR35) 3 month initial term A leading construction engineering business is seeking a Senior Infrastructure Engineer to join their team. They are a well-established business about to enter a period of considerable operational change, including merger and acquisition activity, making it an exciting time to join and be part of their journey. Reporting into the Infrastructure Manager, you will oversee core infrastructure and networking. You 'll work closely with managed service providers to ensure seamless operations and business continuity, whilst taking a lead on regular site set-ups and supporting infrastructure integration across newly acquired entities. Key Responsibilities: * Lead and manage office and site networks, aligning with business strategy * Act as an escalation point for the Service Desk Team * Set up and configure Local...

Full job description Azure Cloud Engineer (Snowflake Focus) Location:  Central London (Hybrid)  Rate:  £500 per day  IR35 Status:  Outside IR35  Duration:  6 Months (Rolling)  Start Date:  ASAP Role Overview We are seeking an experienced  Azure Cloud Engineer  to provide technical leadership in cloud computing and automation for a leading American Insurance Company based in Central London. This role focuses on deploying infrastructure services for cloud platforms, specifically Snowflake infrastructure on Azure. Key Responsibilities Infrastructure as Code:  Design, deploy, and manage Azure infrastructure using  Terraform  and other IaC tools. Snowflake Deployment:  Lead the deployment and optimization of Snowflake infrastructure on Azure. Automation & CI/CD:  Build, maintain, and optimize robust CI/CD pipelines to support automated integration and...

Azure Cloud Engineer (Snowflake Focus) Location:  Central London (Hybrid)  Rate:  £500 per day  IR35 Status:  Outside IR35  Duration:  6 Months (Rolling)  Start Date:  ASAP Role Overview We are seeking an experienced  Azure Cloud Engineer  to provide technical leadership in cloud computing and automation for a leading American Insurance Company based in Central London. This role focuses on deploying infrastructure services for cloud platforms, specifically Snowflake infrastructure on Azure. Key Responsibilities Infrastructure as Code:  Design, deploy, and manage Azure infrastructure using  Terraform  and other IaC tools. Snowflake Deployment:  Lead the deployment and optimization of Snowflake infrastructure on Azure. Automation & CI/CD:  Build, maintain, and optimize robust CI/CD pipelines to support automated integration and deployment. Design Patterns:...

Senior Infrastructure Engineer - Central London £550 - £600 p/d (outside IR35) 3 month initial term A leading construction engineering business is seeking a Senior Infrastructure Engineer to join their team. They are a well-established business about to enter a period of considerable operational change, including merger and acquisition activity, making it an exciting time to join and be part of their journey. Reporting into the Infrastructure Manager, you will oversee core infrastructure and networking. You'll work closely with managed service providers to ensure seamless operations and business continuity, whilst taking a lead on regular site set-ups and supporting infrastructure integration across newly acquired entities. Key Responsibilities: * Lead and manage office and site networks, aligning with business strategy * Act as an escalation point for the Service Desk Team * Set up and configure Local Area Networks (LANs), including hardware deployment and support *...

Cloud Security Engineer (GDC / IAM / Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (2 days onsite) Duration: 12 months Clearance: SC eligible (5+ years UK residency), willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC) / GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability...

Cloud Security Engineer (GDC/IAM/Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (2 days onsite) Duration: 12 months Clearance: SC eligible (5+ years UK residency), willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC)/GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability scanning...

About BigHand BigHand offers technology solutions for busy legal professionals that provide data and insights to increase value and profits. Through our expert knowledge and innovative technology, we enable our customers to achieve enhanced efficiency, better decision-making and harness their competitive edge. We build with tomorrow in mind, transforming ideas into action and empowering our customers to succeed in a world of constant change. We make big happen for our customers. We are a business driven by our values and have these at the centre of everything we do. Our BigHanders are dedicated to building a culture where We Win Together, We Love to Learn, We Do the Right Thing, We Own It and We Find the Fun. About the role We're looking for 4 Azure DevOps Consultants to work on a greenfield AI transformation programme. Building Azure cloud services from scratch, you will actively promote DevOps ways of working and SRE best practices within teams. Work...

Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud environments Build and...

Infrastructure Project Manager - Wi-Fi / Network Deployment London (4 days onsite + site travel) ~ £360- £460/day (Outside IR35) 5-month initial contract (likelihood of extension) ASAP start We 're supporting a London-based organisation delivering a targeted Wi-Fi transformation programme across its estate. The scope includes Wi-Fi migrations at selected sites , alongside a full estate-wide rollout of Wi-Fi authentication and customer portal capabilities . This is a hands-on delivery role , working closely with an MSP and coordinating multiple stakeholders across both technical and customer-facing environments. What you 'll be doing: Managing delivery of Wi-Fi migrations across key sites Leading rollout of authentication and customer portal solutions across the wider estate Coordinating MSPs, suppliers, and field engineers Driving timelines, risks, issues, and delivery milestones Managing stakeholder and customer...