Job Description - Senior Infrastructure Security Engineer (Network) (047748) Senior Infrastructure Security Engineer (Network) 047748 Organisation Organisation - Customers, Communication and Technology Job Position Type - Full Time Location: North Greenwich, London/Hybrid Salary: £62,000 - £70,000 plus fantastic benefits UK Sponsorship availablehowever, candidates are responsible for their own … cent of time split between the office and home over a 4-week period.Hybrid working arrangements can evolve subject to business requirements. Key Technologies: Network Security (inc. Firewalls), Routing and Switching (WAN/LAN/Datacentre), SDN, Wi-Fi and Cloud Networks. About Us The Networks and Hosting Team … Data is responsible for maintaining existing infrastructure, which underpins the majority of our services across TfL. It is an exciting time to join the Network team, as you'll be working on large scale network improvement projects such as: network security (firewall) upgrades, network consolidation and More ❯
Job Description - Senior Infrastructure Security Engineer (Network) (047748) Senior Infrastructure Security Engineer (Network) 047748 Organisation Organisation - Customers, Communication and Technology Job Position Type - Full Time Location: North Greenwich, London/Hybrid Salary: £62,000 - £70,000 plus fantastic benefits UK Sponsorship availablehowever, candidates are responsible for their own … cent of time split between the office and home over a 4-week period.Hybrid working arrangements can evolve subject to business requirements. Key Technologies: Network Security (inc. Firewalls), Routing and Switching (WAN/LAN/Datacentre), SDN, Wi-Fi and Cloud Networks. About Us The Networks and Hosting Team … Data is responsible for maintaining existing infrastructure, which underpins the majority of our services across TfL. It is an exciting time to join the Network team, as you’ll be working on large scale network improvement projects such as: network security (firewall) upgrades, network consolidation and More ❯
Stevenage, Hertfordshire, United Kingdom Hybrid / WFH Options
GlaxoSmithKline
programme offers a hybrid working model, empowering you to find the optimal balance between remote and in-office work. R&D Operational Technology (OT) Network Security Engineer Within R&D Digital & Tech we are looking for an Operational Technology (OT) Network Security Engineer who will oversee networks used … for R&D operations and have the necessary operational knowledge to specify network changes, assuring continued network availability. The OT Network Security Engineer will support Site Focal Point with technical insight necessary for secure file management according to policies and have a role in new system implementation … and incident response. It is key for the OT Network Security Engineer to have in-depth understanding of networkarchitecture to design, implement, and manage secure and efficient networks and proficiency with cybersecurity tools (e.g., firewalls, intrusion detection/prevention systems) and techniques to protect networkMore ❯
offer this opportunity as a permanent or fixed term position, with flexibility on weekly FTE/days worked. In this role, you will lead network automation initiatives across our technology stack, developing and implementing automated solutions for our next-generation network infrastructure. The team's deliverables focus on … Business as Usual) product releases including Access Networks, 5G, XGSPON, FWA, and IoT implementations. You will have the chance to work with cutting-edge network technologies and contribute to shaping our network automation roadmap while collaborating with Senior Network Architects. Key areas of focus: Joining our Network Engineering team, you will be responsible for building and maintaining network automation solutions that enable efficient product releases and network operations. You will work with cross-functional teams including Network Architects, Development teams, and Product teams to deliver automated network solutions. Your day to day More ❯
This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Company Description Job Description Network Manager - Europe Sysco are now recruiting for a Network Manager to join the Infrastructure & Technology team on a full-time, permanent basis. Reporting … to the Director of Enterprise Network Services, you will be embedded within the global Sysco Network team, providing architectural leadership and network expertise to support Sysco's European operations. This role focuses on the design, development, and optimization of high-performance, high-availability network solutions and … small high-performing team. You'll also provide subject matter expertise on both project and operational activity while contributing to strategic planning for future network services. Key Responsibilities Design & Strategy Lead the design, evaluation, and documentation of complex network solutions including WAN, LAN, VPN, Wi-Fi, security, and More ❯
Job Title: Network Solution Designer Location: Hybrid - Knutsford 2-3 days per week Duration: Until 27 September 2025 Rate: £500 per day - Umbrella Only Role: The client is seeking and Enterprise Network Solution Designer to help raise the profile and capability of the network solution design team … via exception processes. They will be required to consider cost, quality, sustainability and current use cases in the process of understanding and designing appropriate network solutions going forward. Should be experienced in Key technologies such as Cisco, Fortinet, F5, load balancers and firewalls, modern network design and security … as part of solutions. This may be considered as an architect, but if broader than a systems architect. Key Responsibilities: Network Solution Design: Develop comprehensive networkarchitecture and service design solutions to support business needs and future growth. Technology Strategy: Define network technology strategies and roadmaps More ❯
Sysco are now recruiting for a Network Manager to join the Infrastructure & Technology team on a full-time, permanent basis. Reporting to the Director of Enterprise Network Services, you will be embedded within the global Sysco Network team, providing architectural leadership and network expertise to support … Sysco’s European operations. This role focuses on the design, development, and optimization of high-performance, high-availability network solutions and services, including automation, security, and disaster recovery readiness. The successful candidate will lead the creation of infrastructure frameworks, work closely with third-party vendors, and manage a small … high-performing team. You’ll also provide subject matter expertise on both project and operational activity while contributing to strategic planning for future network services. Key Responsibilities Lead the design, evaluation, and documentation of complex network solutions including WAN, LAN, VPN, Wi-Fi, security, and load balancing Act More ❯
Greater Bristol Area, United Kingdom Hybrid / WFH Options
Hamilton Barnes 🌳
Job Title: Network Solution Architect Location: Bristol or Chippenham (Hybrid – 3 days per week onsite) Salary: Up to £80,000 base Additional Benefits: £5,000 DV bonus (post-clearance), 10% annual performance bonus, 15% pension contribution, private medical and dental insurance We are seeking an experienced and forward-thinking … Network Solution Architect to join our team and play a key role in the design and delivery oversight of enterprise-scale network solutions for a major public sector client. This is an exciting opportunity for someone with a strong background in networkarchitecture and pre-sales … and inclusive team and actively welcome applicants from all backgrounds. This role is ideal for someone looking to contribute to the modernisation of critical network infrastructure while developing their skills in a high-impact environment. Key Responsibilities: Lead the design and architecture of complex network solutions in More ❯
Arlington, Virginia, United States Hybrid / WFH Options
Digital Management, Inc
services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to … delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at About the Opportunity DMI is seeking a skilled and experienced Network Operations Manager to support a Federal agency in the DC Metro area. This role involves overseeing the design, implementation, and maintenance of network systems to support data, voice, and audio communications. The ideal candidate will have extensive experience in network management, including leadership of technical teams and expertise in both classified and unclassified IT environments. Be part of the team defining the transformation journey for this federal agency. Duties and Responsibilities More ❯
Bethesda, Maryland, United States Hybrid / WFH Options
GovCIO
Overview GovCIO is currently hiring for a Senior Network Architect/SME in Service Provider Backbone, LAN/WAN and DW/DM for our NIH-CIT proposal. This position is located in Bethesda, MD and is a remote/hybrid position. Responsibilities The SME role's responsibilities include … Coordinate with the Section Manager to evaluate, design, and test architecture designs and services from the roadmap backlog Lead the transition of user accepted designs and services to the Operations and Security Teams Provide subject matter expertise in Service Provider backbone. Provide subject matter expertise in Enterprise-level LAN …/WAN Provide subject matter expertise in Enterprise-level Quality of Service (QoS) Provide subject matter expertise in Enterprise-level Traffic Engineering The NetworkArchitecture role's responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the More ❯
Bethesda, Maryland, United States Hybrid / WFH Options
GovCIO
Overview GovCIO is currently hiring for a Senior Network Architect/SME in Service Provider Backbone, LAN/WAN and DW/DM for our NIH-CIT proposal. This position is located in Bethesda, MD and is a remote/hybrid position. Responsibilities The SME role's responsibilities include … Coordinate with the Section Manager to evaluate, design, and test architecture designs and services from the roadmap backlog Lead the transition of user accepted designs and services to the Operations and Security Teams Provide subject matter expertise in Service Provider backbone Provide subject matter expertise in Enterprise-level LAN …/WAN Provide subject matter expertise in Enterprise-level DWDM (Dense Wave Division Multiplexing. The NetworkArchitecture role's responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment More ❯
Bethesda, Maryland, United States Hybrid / WFH Options
GovCIO
Overview GovCIO is currently hiring for a Senior Network Architect/SME in Enterprise Level Data Center and Cloud for our NIH-CIT proposal. This position is located in Bethesda, MD and is a remote/hybrid position. Responsibilities The SME role's responsibilities include: Coordinate with the Section … Manager to evaluate, design, and test architecture designs and services from the roadmap backlog Lead the transition of user accepted designs and services to the Operations and Security Teams Provide subject matter expertise in Enterprise-level data center Provide subject matter expertise in Enterprise-Cloud The NetworkArchitecture … role's responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives Software and hardware installation, configuration, upgrades, and maintenance Team with the Security More ❯
Bethesda, Maryland, United States Hybrid / WFH Options
GovCIO
Overview GovCIO is currently hiring for a Senior Network Architect/SME in Enterprise Level Facilities Security and Industrial Control Systems and Networks for our NIH-CIT proposal. This position is located in Bethesda, MD and is a remote/hybrid position. Responsibilities The SME role's responsibilities include … Coordinate with the Section Manager to evaluate, design, and test architecture designs and services from the roadmap backlog Lead the transition of user accepted designs and services to the Operations and Security Teams Provide subject matter expertise in Enterprise-level facilities security Provide subject matter expertise in Enterprise-level … industrial control systems networks (i.e., Supervisory control and data acquisition (SCADA) networks) The NetworkArchitecture role's responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH More ❯
Huntsville, Alabama, United States Hybrid / WFH Options
General Dynamics Information Technology
Information Technology (GDIT) is seeking a Cybersecurity Engineer, Senior to support the IRES program in Huntsville, Alabama. Duties Include: Design and maintain secure, scalable network architectures across cloud, hybrid, and on-premise environments. Define principles, standards, and reusable frameworks Lead the implementation of Zero Trust NetworkArchitecture (ZTNA), micro segmentation, and identity-aware access controls for modern enterprise and remote work environments Develop and implement automated solutions for network provisioning, configuration management, and security enforcement using tools such as Terraform, Ansible, or Python Design secure connectivity and protection mechanisms within cloud-native environments (Azure, AWS … and cloud-based WAFs Contribute to Agile project teams by embedding security into iterative solution delivery. Collaborate with DevOps and platform teams to integrate network security controls into CI/CD pipelines Perform security threat modeling for network systems. Contribute to security assessments, mitigation plans, and incident response More ❯
Washington, Washington DC, United States Hybrid / WFH Options
Versar Global Solutions
projects, mission critical facilities and installations, and in support of readiness and contingency operations. WhoYou Are: Versar Global Solutions is seeking a mid-level Network Engineer to support the enterprise architecture, design, development and deployment of network services in support of the Department of Homeland Security's … Wide Area Network. The position supports a variety of network technologies such as Cisco routing/switching, Cisco VPN, F5 GTM/LTM load-balancing, Palo Alto firewalls, Broadcom (BlueCoat) Proxies and others. The ideal candidate will be able to support DHS Component/Customer and Enterprise solution designs … and implementations, Core network technology refresh projects, Cloud integration and migration projects, incident ticket troubleshooting and providing input to for DHS network modernization architecture and design efforts. WhatYou'll Do: Work with DHS components and customers to develop WAN network solutions to meet the requirements of More ❯
Job Title: Network Engineer Salary: £35 - £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Omagh, Northern Ireland, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Network Engineer Salary: £35- £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Network Engineer Salary: £35 - £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
Londonderry, Northern Ireland, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Network Engineer Salary: £35 - £40k Location: Omagh (Hybrid) About the Role: We are looking for a talented and proactive Network Engineer to join an innovative security team. This role involves designing, implementing, managing, and troubleshooting network infrastructure to ensure top performance, security, and scalability. The … ideal candidate will have in-depth knowledge of network protocols, security configurations, cloud networking, and automation. Key Skills & Qualifications Essential: 3-5+ years of hands-on experience in network engineering or administration. Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, MPLS. Experience with Cisco … Fortinet, Palo Alto, or similar network hardware. Proficiency in network monitoring and troubleshooting tools (Wireshark, SNMP, etc.). Knowledge of firewall rules, VPNs, and security best practices. Experience with cloud networking (AWS, Azure, Google Cloud) Benefits & Perks Training: Internal training provided, with opportunities for continuous learning. Bonus Schemes More ❯
San Diego, California, United States Hybrid / WFH Options
Noblis
requirements. Team members will work on the design, development, implementation, and sustainment of Navy IT systems, including modernization efforts such as cloud infrastructure and network convergence. Positions require collaboration with government and contractor personnel in a dynamic environment with both CONUS and OCONUS responsibilities. The Senior Network Engineer … is responsible for designing, implementing, and maintaining enterprise network infrastructure supporting The Navy's Large Enterprise Networks. This role ensures network resilience, security, and performance across globally deployed environments in alignment with DoD modernization initiatives, including Zero Trust, IPv6 migration, and AI-driven network operations. Key Responsibilities … Design and optimize enterprise network infrastructure to enhance performance, scalability, and security. - Implement SD-WAN and Secure Cloud Edge solutions to improve connectivity and resiliency. - Support IPv6 migration efforts, ensuring compliance with DoD networking mandates. - Ensure adherence to cybersecurity frameworks, including Zero Trust principles, RMF, and DISA STIG compliance. More ❯
Warwick, Warwickshire, United Kingdom Hybrid / WFH Options
Pontoon
by balancing supply and demand every second of every day. Our commitment to delivering reliable energy has created an exciting opportunity for a talented Network Architect to join our team on a temporary basis. Role: Network Architect Duration: 6 Months (extension options) Location: Wokingham (Hybrid) Rate: £800 per … day (umbrella) About the Role: As a Network Architect, you will play a pivotal role in overseeing the transition of our network infrastructure. Your expertise will ensure a seamless migration while maintaining peak performance, security, and scalability. If you're a passionate professional ready to make a significant … impact, we want to hear from you! Key Accountabilities: Collaborate with 3rd party vendors to develop and execute transition strategies for migrating network environments with minimal disruption. Work closely with project managers, engineers, and stakeholders to guarantee a smooth transition. Identify risks and dependencies in network transitions, crafting More ❯
Title: Engineering Delivery Unit Technical Authority Do you have the following skills, experience and drive to succeed in this role Find out below. Function: Network Strategy and Engineering Department: Core & Services - Data Core Engineering Location: Any UK Hub & *Hybrid Salary: Excellent basic salary plus bonus and Vodafone benefits Working … is fully representative of the communities and customers we serve. Join our Vodafone UK Networks team, where we’re continually building and enhancing our network, connecting millions of people and businesses across the country. Be part of the team that makes it all happen – simplifying, automating, and bringing better … the respective cluster (UK and Ireland). Being accountable for high- and low-level design document creation, configuration and implementation and optimisation of multiple network elements of the Mobile Data Core network (PCRF, SGSN/MME, SPGW, Radius, DPI, MSP, IWF, DNS, AAA, etc.). With focus on More ❯
truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference. Role Title: Engineering Delivery Unit Technical Authority Function: Network Strategy and Engineering Department: Core & Services - Data Core Engineering Location: Any UK Hub & Hybrid Salary: Excellent basic salary plus bonus and Vodafone benefits Working … the respective cluster (UK and Ireland). Being accountable for high- and low-level design document creation, configuration and implementation and optimisation of multiple network elements of the Mobile Data Core network (PCRF, SGSN/MME, SPGW, Radius, DPI, MSP, IWF, DNS, AAA, etc.). With focus on … mobile services, lead and manage all the engagement with relevant local stakeholders, in particular Technology Operations and other local teams for the implementation of network capacity and lifecycle management; service configuration/MOP activities (and handover to Operations for implementation); special projects, new product/service impact assessments and More ❯
San Diego, California, United States Hybrid / WFH Options
Noblis
requirements. Team members will work on the design, development, implementation, and sustainment of Navy IT systems, including modernization efforts such as cloud infrastructure and network convergence. Positions require collaboration with government and contractor personnel in a dynamic environment with both CONUS and OCONUS responsibilities. The Network Engineer is … responsible for supporting the design, implementation, and maintenance of enterprise network infrastructure for the Navy's Large Enterprise Networks . This role ensures network performance, security, and scalability while aligning with Zero Trust, IPv6 migration, and AI-driven network operations initiatives within DoD environments. Key Responsibilities: - Assist … in the deployment and optimization of network infrastructure, including routing, switching, and SD-WAN technologies. - Support IPv6 transition efforts, ensuring compliance with DoD networking mandates and interoperability standards. - Implement network security best practices, ensuring adherence to Zero Trust principles, STIG compliance, and RMF accreditation. - Troubleshoot and resolve networkMore ❯
Bethesda, Maryland, United States Hybrid / WFH Options
GovCIO
Overview GovCIO is currently hiring for Network Engineer, Edge Operations for our NIH-CIT proposal. This position is located in Bethesda, MD and is a remote/hybrid position. Responsibilities The role's responsibilities include but are not limited to: Support the Operations Section Manager with personnel administration, strategic … planning, and staff planning. The Network Operations Senior Engineer will work alongside the Service Delivery Team, Architecture Team, and Security Team to support their objectives Mentor network operations engineers in the practical application of current/emergent technologies, agile IT, ITIL and continuous improvement practices and techniques … as "queue managers" to ensure each escalated issue is efficiently assigned, actively being worked by expediting resolution and fulfillment to meet SLAs Ensure all network infrastructure devices and systems are monitored using tools such as Grafana for log aggregation, Cisco's StealthWatch providing the deep analysis of networkMore ❯