35 network infrastructure engineer jobs found

Stockley Park | Onsite (5 days per week) 3-month contract | Start ASAP No SC required | BPSS eligible Compensation - GBP 300 per day     We are looking for a hands-on Network Engineer to design, configure, test, and implement network and security solutions across Cisco and Fortinet environments. This role is focused on delivery and technical execution within a live infrastructure setting.   Key Responsibilities Design, write, and validate configurations for: Fortinet SD-WAN solutions Fortinet Firewalls Cisco Nexus switches Cisco LAN and Wi-Fi infrastructure Modify and optimise configurations on existing network equipment Prepare and implement configurations for new network hardware Load configurations onto devices and perform validation testing Support network changes, cutovers, and migrations Implement routing and switching configurations Design and apply firewall and network security policies...

Network Engineer Hybrid (2 days a week) Contract (6+ Months) Inside IR35 Canary Wharf, UK   Knowledge, skills, and abilities A solid network/security/cloud engineer with a strong focus on cloud hosted environments within AWS and Azure as well as excellent skills in firewall deployment, routing and switching. In-depth knowledge of design, implementation, configuration and testing of the following: Routing – OSPF, BGP, knowledge of route redistribution and manipulation. WAN - MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning. Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching. Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls. Switching and L3 - HSRP, VRRP, GBLP, NTP, STP, RSTP, QoS, CoS, SVI, VLAN’s, ACL’s. WiFi – Cisco Meraki and Cisco Wireless LAN controllers with Lightweight APs. Firewalls – Cisco...

We are urgently looking for Network Server Engineer in London Job Title: Network Server Engineer Location: London, UK Contract: Inside IR35 Rate: £350 – £400 per day Working Model: Hybrid – 3 days per week onsite Job Description: We are looking for an experienced Network Server Engineer operating at the intersection of networking, infrastructure operations, security, and automation, with strong stakeholder and vendor engagement. This role supports complex, policy-driven enterprise environments. Key Skills & Responsibilities: Lead and deliver PoC / RFP / RFE initiatives across infrastructure platforms Design, implement, and support enterprise network & security components: routers, switches, firewalls, proxies, load balancers, DMZ Manage IP addressing, authentication, and access control: Active Directory, LDAP, Kerberos, SSO, RBAC Hands-on Windows and Linux server administration (macOS exposure a plus) Build and...

Role: F5 SME IR35: Inside - £550.00 - £575.00 per day Duration: 12 months World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome. World Wide Technology EMEA. has an opportunity available for an F5 SME to support our client, a leading Global Financial Services provider with a security infrastructure uplift program. The successful candidate will have deep knowledge in F5 internals, traffic management, iRule and DNS architecture, please see requirements below: Key Responsibilities: Design, implement, and maintain complex F5 BIG-IP solutions across LTM and F5 DNS/GTM Develop and manage advanced iRules for traffic steering, security, and application logic Own and configure DNS and global traffic management, including Wide IPs, health monitors, and failover strategies Provide deep-level troubleshooting...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a full-stack dev - you've been around the block, and you know your way through both backend trenches and frontend battlefields. PHP? Still your reliable sidekick. JavaScript? Sometimes a mischievous friend, sometimes a chaos gremlin, but you've learned how to keep it in line. You work best with fierce independence. You don't need hand-holding - you're the one who does the hand-holding when it's needed. You don't wait for direction; you are the direction. To twist a phrase:...

Who are we: In 2019, our founders were working as engineers solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.   Day Rate: £500 - £600 Location: Hybrid working near Hereford with possible 24/7 call out when on rota Security Clearance: Must be eligible for DV Clearance   About the role: Our cross-domain services are used within government organisations. The demand for these services continues to grow in both scope and scale. We are seeking an experienced Site Reliability Engineer to help satisfy that demand. As an SRE, you will be responsible for ensuring the availability, performance and cost effectiveness of these services. You will be working with multiple...

JOB DETAILS Minimum years of experience: 5+ years Job Description: The ideal candidate will have extensive experience with Windows Administration, SCCM (System Center Configuration Manager) for Windows deployments and a strong understanding of Active Directory, including Group Policy Objects (GPOs). Key Responsibilities: 1. Manage and maintain Windows server environments. 2. Perform deployments using SCCM, ensuring smooth and efficient updates and installations. 3. Administer Active Directory, including the creation and management of GPOs. 4. Troubleshoot and resolve issues related to Windows servers, SCCM, and Active Directory. 5.Monitor system performance and ensure the security and integrity of the network. 6.Collaborate with other IT team members to support overall IT infrastructure. Requirements: - Proven experience as a Windows Administrator. - Proficiency in SCCM for Windows deployments. - Strong knowledge of Active Directory and GPOs. - Excellent troubleshooting and...

We are looking for a Senior Platform Engineer to play a key role in the design, delivery, and evolution of our platform engineering capabilities. This role combines deep technical expertise with hands-on delivery and cross-functional collaboration. You will contribute to platform architecture, engineering standards, and operational excellence across hybrid environments, supporting mission-critical systems within the Defence and Security sector.   Key Responsibilities   Platform Engineering & Delivery Design and implement scalable, secure, and maintainable platform solutions across cloud and on-premise environments. Contribute to the development and governance of CI/CD pipelines, ensuring consistency and efficiency. Support the implementation of monitoring, observability, and incident response frameworks. Operational Excellence Collaborate with SRE and operations teams to ensure platform reliability, performance, and...

Job title : DevOps Engineer (contract) Duration : 6 months Target Start Date : January 2026 Location : London/ Cardiff Hybrid Rate : Competitive, inside IR35 Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. About the role: We are looking for a DevOps Engineer to join the Enabling Functions team. You will be responsible for the development and support of an internally-developed data warehouse and self-service analytics platform. You will manage day-to-day operations, maintenance, and technical administration. You will support with the platform and deploy new features, support...

We’re looking for a Platform engineer for the an Infrastructure team to build, configure, and support infrastructure to enable teams to deliver their solutions across the estate. You’ll manage the systems and their full lifecycle of the infrastructure components and automate deployments and updates so that we operate securely. This is a hybrid position with 3 days per week on client site in London. Requirements Create and maintain infrastructure setup, configuration management and deployment automation across on-prem and Azure Cloud Identify and troubleshoot platform-related issues, assisting in root cause analysis and finding solutions Monitoring the health and performance of the platform, flagging issues for further investigation Work on automating routine tasks to improve efficiency and reduce manual efforts Document platform configurations, processes and troubleshooting steps to build a knowledge base for future reference Follow...

Network Engineer (Firepower+ Meraki) Hybrid (2 days a week) Contract (6+ Months) Inside IR35 Canary Wharf, UK   Knowledge, skills, and abilities A solid network/security/cloud engineer with a strong focus on cloud hosted environments within AWS and Azure as well as excellent skills in firewall deployment, routing and switching. In-depth knowledge of design, implementation, configuration and testing of the following: Routing – OSPF, BGP, knowledge of route redistribution and manipulation. WAN - MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning. Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching. Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls. Switching and L3 - HSRP, VRRP, GBLP, NTP, STP, RSTP, QoS, CoS, SVI, VLAN’s, ACL’s. WiFi – Cisco Meraki and Cisco Wireless LAN controllers with Lightweight APs. Firewalls...

We are urgently looking for Network Server Engineer in London Job Title: Network Server Engineer Location: London, UK Contract: Inside IR35 Rate: £350 – £400 per day Working Model: Hybrid – 3 days per week onsite Job Description: We are looking for an experienced Network Server Engineer operating at the intersection of networking, infrastructure operations, security, and automation, with strong stakeholder and vendor engagement. This role supports complex, policy-driven enterprise environments. Key Skills & Responsibilities: Lead and deliver PoC / RFP / RFE initiatives across infrastructure platforms Design, implement, and support enterprise network & security components: routers, switches, firewalls, proxies, load balancers, DMZ Manage IP addressing, authentication, and access control: Active Directory, LDAP, Kerberos, SSO, RBAC Hands-on Windows and Linux server administration (macOS exposure a plus) Build and maintain automation using PowerShell (primary),...

  SC Cleared (UK Eyes Only) Location: Reading (on-site preferred Tues -Thurs, 2.5 days/week) Duration: 6 months Overview This role supports and stabilises a secure, on-premise compute and storage environment. The focus is on server, storage, access control, and operational infrastructure, not network design or build. You'll be responsible for commissioning new hardware, completing migrations to replacement kit, managing obsolescence, and keeping the environment documented, patched, and reliable.   Key Responsibilities Complete commissioning of a new storage facility and compute farm Finalise migration of workloads to new hardware Manage hardware obsolescence and lifecycle issues Maintain clear documentation of system configurations Diagnose and resolve infrastructure failures Day-to-day administration of users, access, and systems within a secure project environment   Core Technical Skills Required Windows Active...

Toucanberry Tech is at the forefront of technology in the financial services sector, creating bespoke solutions for our clients. We pride ourselves on our agility, creativity, and the autonomy we give our teams to drive projects from conception to delivery. The Role We are looking for an Azure Platform Engineer to join our dynamic team. In this role, you will be instrumental in creating, managing, and optimizing cloud-based environments to support our core applications and services. You’ll work closely with software engineers, data scientists, and architects to ensure our platforms are scalable, secure, and reliable. Requirements Key Responsibilities Design, implement, and manage Azure cloud infrastructure, ensuring high availability and performance. Automate infrastructure deployment using Infrastructure as Code (IaC) tools like Terraform or ARM templates. Monitor and optimize the performance of Azure resources, implementing best practices for...

Who are we: In 2019, our founders were working as engineers solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.   Day Rate: £500 - £600 Location: Hybrid working near Hereford with possible 24/7 call out when on rota Security Clearance: Must be eligible for DV Clearance   About the role: Our cross-domain services are used within government organisations. The demand for these services continues to grow in both scope and scale. We are seeking an experienced Site Reliability Engineer to help satisfy that demand. As an SRE, you will be responsible for ensuring the availability, performance and cost effectiveness of these services. You will be working with multiple...

JOB DETAILS Minimum years of experience: 5+ years Job Description: The ideal candidate will have extensive experience with Windows Administration, SCCM (System Center Configuration Manager) for Windows deployments and a strong understanding of Active Directory, including Group Policy Objects (GPOs). Key Responsibilities: 1. Manage and maintain Windows server environments. 2. Perform deployments using SCCM, ensuring smooth and efficient updates and installations. 3. Administer Active Directory, including the creation and management of GPOs. 4. Troubleshoot and resolve issues related to Windows servers, SCCM, and Active Directory. 5.Monitor system performance and ensure the security and integrity of the network. 6.Collaborate with other IT team members to support overall IT infrastructure. Requirements: - Proven experience as a Windows Administrator. - Proficiency in SCCM for Windows deployments. - Strong knowledge of Active Directory and GPOs. - Excellent troubleshooting and...

SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active SV clearance.    The first duty of Government is to protect the public. Since 1782, the Home Office has led work to keep the country safe from those who seek to do it harm; in doing so, we make a vital contribution to HM Government's plan for a stronger, fairer, outward-looking and united Britain.   The Home Office covers three systems Homeland Security, Public Safety and Borders, and Immigration and Citizenship. These systems work collaboratively to deliver our cross-cutting priorities, whilst providing increasingly efficient and secure services for the public. These are difficult areas that...

About The Job We are looking to recruit a Security Engineer to join us on fast moving, innovative and influential work that is underway in the Defence and Security Sector. As a Security Engineer in a cutting-edge technology environment, you will be responsible for working with the Security Lead and technical teams to secure the solution.   You will have a challenging, vastly interesting, and technically diverse role.   Key Responsibilities and Tasks Documenting security configuration Proactive management of technical vulnerabilities Deployment of security tooling (vulnerability scanning/SIEM/etc). Development of alerts and dashboards in SIEM configuration. Deploying secure lockdowns to information systems. Assist 2nd line Security Analysts in triaging critical incidents.   Experience (Essential) Knowledge of configuring SIEM tooling. Basic understanding of threat frameworks, such as ATT&CK....

SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance   The first duty of Government is to protect the public. Since 1782, the Home Office has led work to keep the country safe from those who seek to do it harm; in doing so, we make a vital contribution to HM Government's plan for a stronger, fairer, outward-looking and united Britain.   The Law Enforcement Cloud Platform (LECP) is the Home Office 's strategic cloud hosting solution for national law enforcement applications and products (LECP 's 'tenants '). LECP provides a secure, police-assured environment based on a common infrastructure design. By enabling access to shared...

We currently have an exciting opportunity for Platform Engineer to join our existing experienced team.   What do we look for in a Platform Engineer?   We are looking to recruit an experienced Platform Engineer to join us on fast moving, innovative and influential work that is underway in the Defence and Security Sector.   We are seeking a dynamic and experienced Platform Engineer to join our team.   The ideal candidate will lead the design and implementation of CI/CD pipelines, Kubernetes configuration, monitoring systems, repository management, automation, and other critical platform components.   Collaborating closely with the Platform team, the Platform Engineer will ensure seamless integration of our offerings with the development team's requirements.   While the role may encompass a broad scope, including deployment automation and CI/CD pipeline configuration initially, it will gradually shift towards...