26 to 50 of 122 Senior Network Engineer Jobs

Senior Network Engineer, Cisco, SD WAN, Firewalls £49,000 - £61,000 Hybrid in Warwickshire VIQU are searching for a Senior Network Engineer to lead major network upgrades and support a complex Cisco environment for a large public sector organisation. This is a permanent, hands-on role. Perfect for a true network specialist … with deep Cisco and SD WAN expertise. Key responsibilities Design, implement and maintain enterprise network infrastructure Lead LAN, WAN and SD WAN upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus switches and firewalls Ensure high availability and security of network systems in line with best practice Act … as a senior technical point of contact for critical network issues and projects Key requirements Proven experience as a senior network engineer in large complex environments Expert knowledge of Cisco technologies including LAN Core and ISE Strong hands on experience with WAN SD WAN firewalls and switches Experience delivering network upgrades and migrations end More ❯

Senior Network Engineer, Cisco, SD WAN, Firewalls £49,000 - £61,000 Hybrid in Warwickshire VIQU are searching for a Senior Network Engineer to lead major network upgrades and support a complex Cisco environment for a large public sector organisation. This is a permanent, hands-on role. Perfect for a true network specialist … with deep Cisco and SD WAN expertise. Key responsibilities Design, implement and maintain enterprise network infrastructure Lead LAN, WAN and SD WAN upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus switches and firewalls Ensure high availability and security of network systems in line with best practice Act … as a senior technical point of contact for critical network issues and projects Key requirements Proven experience as a senior network engineer in large complex environments Expert knowledge of Cisco technologies including LAN Core and ISE Strong hands on experience with WAN SD WAN firewalls and switches Experience delivering network upgrades and migrations end More ❯

Senior Network Engineer Location: Quantico, VA As the Senior Network Engineer, the individual will monitor and control the performance and status of network resources across multiple enclaves utilizing software and hardware tools. In this role, the Senior Network Engineer will support an on-premises network including Cisco hardware and … related software covering multiple tenant agencies. The successful candidate will troubleshoot network issues, address outages, plan and execute network changes and support ATOs. This full-time position requires on-site physical presence Responsibilities: Plans, configures, and installs networking hardware/software replacements and upgrades Develops and maintains all networking documentation (drawings, cut sheets, configurations, and deployment plans) Works … closely with tenant agency engineers in support of networking related projects Identifies and diagnoses problems and factors affecting network performance. Provides day-to-day subject matter expertise to tenant agencies Troubleshoots networking issues and outages, which may occur during non-core hours Works with vendors in support of the network Ensures all networking applicable STIGs, POA&Ms and More ❯

Job Title: Senior Network Engineer Location: Worcester Salary: £60,000 + Car Allowance + Excellent Benefits We are a well-established engineering-focused technology provider with a strong reputation for delivering high-quality network solutions and excellent customer service. For over 30 years, we have been helping organisations design, implement and support enterprise networking solutions, covering … LAN, WAN, Wi-Fi, Collaboration and Security. As part of our continued growth, we are looking for an experienced Senior Network Engineer to join our team. This is a hands-on role where you'll work across a variety of projects and support activities, collaborating with clients and internal teams to deliver reliable, secure and innovative network solutions. Key Responsibilities Design, implement, and maintain enterprise-level network infrastructure (LAN, WAN, Wi-Fi, and network security). Monitor and optimise network performance, troubleshooting complex issues and applying corrective measures. Configure and manage networking equipment including routers, switches, firewalls, VPNs, and wireless technologies (predominantly Cisco). Carry out on-site installations and upgrades when required. More ❯

committed to ensuring that everyone who works at the Museum feels they can thrive and feel valued and respected. About the role Are you a passionate and technically skilled Network Engineer looking to make a meaningful impact? We're seeking a Senior Network Engineer to help drive our digital infrastructure forward in support of NHM … implementation, and support of our voice and data networks-supporting more than 1,200 users and 3,000 devices across our sites. The NHM are looking to recruit a Senior Network Engineer, reporting to the Network and Telecoms Manager within the Technology Solutions team, to play a key role in the provision of 3rd/4th … line support and the development of the Museum's Data and Voice infrastructure. About you We are looking for an experienced network engineer who is ambitious, self-motivated, and highly organised. The ideal candidate for this role will have demonstrated experience working with network technology and be able to work both independently and collaboratively as part of More ❯

I am seeking a Senior Network Engineer to work in the public sector. In this role, you'll be at the forefront of the technology lifecycle, driving impactful projects from inception to execution. The successful Senior Network Engineer will lead the shaping and delivery of cutting-edge technical solutions across the business! Benefits … experience in the installation and configuration of secure networks. This is an urgent vacancy, so please apply early to avoid disappointment. If you are interested in the role of Senior Network Engineer or are looking for something similar, please contact Harry Davies directly. If you are interested in this position, please click 'apply'. Hunter Selection Limited More ❯

Senior Network Engineer £50,000 - £55,000 + benefits Full Time/Permanent Hybrid/Birmingham (1 day a week in the office + occasional UK travel) The Company: My client is a large and industry leading hospitality and entertainment business who operate on a global scale. Their UK headquarters are in Birmingham and they have other … offices and sites throughout the UK. The Role: We are looking for a driven and experienced Senior Network Engineer to join a close knit and highly skilled internal IT infrastructure team. You will be responsible for the network infrastructure (that underpins all business systems) for a large business you will have technical understanding for supporting a … of Service of the network. Working on call 24 hours per day on a shared basis with other IT Engineers/Managers. Experience required: Proven experience working as a Network Engineer or similar in a large, fast paced and complex business environment. LAN, WAN and WLAN networking technologies Cisco Switching SDWAN technologies Enterprise Wireless technologies and components VIP More ❯

Senior Network Engineer VOIP, Cisco, Teams Telephony, MPLS, SD-WAN, Meraki Location: Southampton or Tunbridge Wells (Hybrid with home working) Salary: c. £42,000 base + bens Are you an experienced Network Engineer passionate about delivering seamless, resilient connectivity across a diverse technology estate? Are you ready to play a pivotal role in shaping network strategies and optimising service delivery for a growing enterprise? About the Role We are seeking a talented Network Engineer to join our client's IT function. In this hands-on position, you'll spearhead network infrastructure projects, lead operational excellence, and drive innovation across their multi-site estate. You'll collaborate with stakeholders and managed service … providers to ensure outstanding service delivery and continuous network improvement. Key Responsibilities Take responsibility for network infrastructure projects aligned with the Group's technology strategy and standards. Oversee day-to-day network operations, troubleshoot issues, and optimise network performance. Provide technical expertise in VOIP, Cisco Call Manager, Cisco Voice platforms, Teams Telephony, MPLS, SD-WAN, WAN More ❯

Title : Senior Network Engineer Location: Hybrid – Work from home and office visits as and when required (London Campus) Target Start Date: End of July 2025 Contract duration : 6 months (potential to extend) 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 … 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. Senior Network and Firewall Engineer (T1) – Network Services Everyone knows technology is the fastest changing industry in the world. We’re shaping our IT landscape by transforming … like you. Join them at this exciting time and you will be enjoying the kind of professional development where you can explore your potential. Team Summary This is a Network Infrastructure support role within the IT Operations function at Deloitte. Reporting to the Network & Security Operations Manager and working closely with other internal ITS teams, the Network More ❯

Title : Senior Network Engineer Location: Hybrid – Work from home and office visits as and when required (London Campus) Target Start Date: End of July 2025 Contract duration : 6 months (potential to extend) 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 … 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. Senior Network and Firewall Engineer (T1) – Network Services Everyone knows technology is the fastest changing industry in the world. We’re shaping our IT landscape by transforming … like you. Join them at this exciting time and you will be enjoying the kind of professional development where you can explore your potential. Team Summary This is a Network Infrastructure support role within the IT Operations function at Deloitte. Reporting to the Network & Security Operations Manager and working closely with other internal ITS teams, the Network More ❯

Senior Network Engineer GES is seeking a Sr. Network Engineer to support large-scale operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA … s internal and external mission partners operating in CONUS and OCONUS locations. The Sr. Network Engineer/Architect will support the current infrastructure and new, modernized updated and upgraded capabilities for DTRA. This role will be responsible for tech requirements definition, feasibility studies, pilot projects and implementations plans, as well as diagnosing and troubleshooting outages, monitoring networks, infrastructure … and systems, and proving proactive mitigation strategies. Primary Responsibilities: Lead and coordinate Tier I-III network operations engineering personnel to ensure network troubleshooting efforts are affectively build ti. Oversee real-time monitoring of global enterprise networks using DoD-approved tools (e.g., SolarWinds, NetOps, Splunk, ACAS). Develop and enforce operational procedures, incident response workflows, and escalation protocols. Act More ❯

Senior Network Engineer - Edinburgh (potentially remote). One of our Global clients is looking for a Senior Network Engineer to join their Edinburgh office. If you are not located in Edinburgh or Glasgow, remote working will be considered. Job Summary: You will bring your expertise with Cisco, Juniper, and next-generation firewall technologies (NGFW … also be a point of escalation for support incidents that affect multiple clients. Further, you will serve as a technical lead for internal and client projects, participating in client network builds. Responsibilities: Diagnose and resolve complex issues quickly, proactively identify areas for improvement and recommend solutions. Support and maintain network backbone infrastructure involving multiple datacentres and geographic regions … based on dynamic routing protocols (OSPF, BGP), and various mediums (DIA, PTP, VPN, multi-gig connectivity, cross-connects) Work independently to lead medium-sized client engagements involving equipment deployment, network design, or refresh tasks. Provide escalation support for incidents involving client offices, datacentres, public cloud networks (Azure and AWS), and remote access (VPN, Citrix, etc.). Support and maintain More ❯

Senior Network Engineer - £70k + £6k Car Allowance + 15% Bonus Hybrid - Home Based + easy travel to London area (2x/month) Out-of-hours paid at time and a half We're working with a long-standing client of ours, a major player in their industry, and they're looking for a proper Senior Network Engineer to join the team. You'll need to have worked on/lead some Network Security projects to be successful in this role. We're after someone confident, experienced, and ready to step straight into a hands-on delivery role. This isn't one for a passenger, you'll be expected to lead network projects from day one, support a junior engineer, and take the reins on everything from firewall migrations to hands-on data centre work. The role: You'll be delivering key network projects including firewall migrations (FortiGate-heavy), SD-WAN rollouts, and hands-on switching/routing across a hybrid environment. You'll be the go-to engineer More ❯

Senior Network Engineer - £70k + £6k Car Allowance + 15% Bonus Hybrid - Home Based + easy travel to London area (2x/month) Out-of-hours paid at time and a half We're working with a long-standing client of ours, a major player in their industry, and they're looking for a proper Senior Network Engineer to join the team. You'll need to have worked on/lead some Network Security projects to be successful in this role. We're after someone confident, experienced, and ready to step straight into a hands-on delivery role. This isn't one for a passenger, you'll be expected to lead network projects from day one, support a junior engineer, and take the reins on everything from firewall migrations to hands-on data centre work. The role: You'll be delivering key network projects including firewall migrations (FortiGate-heavy), SD-WAN rollouts, and hands-on switching/routing across a hybrid environment. You'll be the go-to engineer More ❯

you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the Team We are the Global Enterprise Network Engineering team at Roku, responsible for designing, deploying, and maintaining a high-performance, secure, and resilient network that keeps our offices running and our engineers productive. We work … WiFi, next-gen firewalls, automation, and cloud networking, to ensure seamless connectivity and operational efficiency. Our team focuses on scalability, security, and performance, enabling Roku employees to innovate without network limitations. Everyteammember contributes to the success of the team,and every decision matters. We aim to make our products easy and joyful to use for ourcustomers. We are looking … for an accomplished Senior Network Engineer that possesses exemplary technical skills, passion for their craft, keen attention to detail, and is not afraid to take on a challenging task. In this role, you will be expected to be self-driven, willing, and capable of taking full ownership of features and projects, leading them to successful completion. About More ❯

Strategic Business Systems is seeking a Senior Network Engineer to join our team of qualified, diverse individuals. This is part of a team that ensures the customer's ability to provide mission critical intelligence and successful use of its information technology (IT) networks worldwide. This role is onsite in Charlottesville, VA. Required Security Clearance: Top Secret/… implements, tests, debugs, and maintains communications systems. Performs configuration of operating system and security patches for host and distributed systems, and implements incident response procedures during incidents of a network or host security breach. Reviews customer requirements and makes recommendations for changes to existing technical architecture. Complies with prescribed customer, industry and agency standards. Responsible for Installation, configuration, and … support of an organization's local area network (LAN), wide area network (WAN), Agency Internet Network (AIN), Intranet and Internet and other data communications systems or a segment of a network system maintains network hardware and software AND monitors network to ensure network availability to all system users and perform necessary maintenance to More ❯

Senior Network Engineer Worsley £50,000 + Bonus (up to 15%) + Excellent Benefits KO2's client are hiring a Senior Network Engineer to join a fast-growing company based in Worsley, leading the charge in IoT-connected technology across Europe. With 6,000-7,000 live devices operating across the continent and a … complex LAN infrastructure connecting them all, this is a high-visibility, mission-critical role at the heart of the business. You'll be working with a massive, high-availability network, bigger than most organisations of this size, with traffic across multiple APIs, customer endpoints, and network environments. What You'll Be Doing: Taking the lead on network … focus on upload scheduling and time-sensitive data traffic. Planning the transition to a hybrid cloud model-currently in testing-migrating from local data centres to cloud without compromising network security or device uptime. Owning all things network: Disaster Recovery, Data Protection, Security Policies, and compliance. Looking at ways to reduce costs and improve service performance, e.g., line More ❯

Position Description Company: Arion Systems, Inc. Corporate Headquarters: 15040 Conference Center Drive, Suite 200, Chantilly, VA 20151 POC: Terri Shaulis, Director of Recruiting Email: Telephone: ext 1125 Job Title: Senior Network Engineer Work Location: Chantilly, VA Primary Function: Design, integrate, and test network solutions Secondary Function: Document, maintain, and troubleshoot network implementations Position Summary: We … are seeking a skilled and experienced Senior Network Engineer with 6 to 8 years of hands-on experience in designing, implementing, and maintaining enterprise-level network infrastructure. The ideal candidate will be responsible for the stability, integrity, and performance of enterprise services. This role requires strong problem-solving skills, the ability to work independently, and a … strong understanding of security. Primary Responsibilities: • Design, configure, and maintain LAN, WAN, and cloud-based network solutions to optimize service delivery. • Monitor network performance and troubleshoot issues. • Maintain and upgrade routers, switches, firewalls, and other network devices (Cisco, Juniper, Palo Alto, etc.). • Implement and manage network security measures, including firewall rules, intrusion detection/prevention More ❯

Job Title: Senior Network Engineer (ISP) Location: Droitwich Salary: £60,000 We are a technology-focused organisation delivering advanced network solutions to clients across various sectors. With a reputation for technical excellence and outstanding customer service, we are expanding our team and seeking an experienced Senior Network Engineer . The ideal candidate will … bring strong technical expertise, a proactive approach, and excellent communication skills. You'll play a key role in designing, implementing, and supporting robust network infrastructures while acting as a senior technical resource within the team. Key Responsibilities: Design, implement, and maintain enterprise LAN, WAN, Wi-Fi, and network security solutions. Configure and support Cisco routers, switches, firewalls … and VPNs. Perform network assessments, capacity planning, and ensure documentation is up to date. Troubleshoot complex network issues and provide expert escalation support. Mentor junior team members and share best practices. Collaborate with internal teams and third-party vendors to ensure project success. Required Skills & Experience: CCNP Enterprise (or equivalent level knowledge). Solid hands-on experience with More ❯

Senior Network Engineer Job Description Prism is seeking a highly skilled Senior Network Engineer to join our dynamic team. In this role, you will be instrumental in installing, configuring, and maintaining scalable network devices, including Cisco routers, switches, and firewalls. You'll be responsible for designing and implementing secure network access solutions … and managing security policies using Cisco ISE to meet our organization's critical requirements. You will continuously monitor network performance and troubleshoot complex issues to ensure system availability and reliability across our enterprise. This position requires close collaboration and partnership with other IT platform teams to support and optimize overall network operations and engineering initiatives. A key aspect … of the role involves implementing and managing our network security architecture, including essential network security patching and upgrades, establishing security baselines, ensuring compliance, and overseeing hardware and software maintenance. You will also provide crucial Level 2/3 escalation support and troubleshooting to resolve incidents and tasks efficiently. Qualifications Skills Required: Education & Experience: Bachelor's degree in computer More ❯

Network Engineer Location: Onsite in Panama City Beach, Florida About ISPA: ISPA, a leader in providing cutting-edge technical solutions and services, is dedicated to supporting government and commercial entities in achieving their strategic objectives. We are currently seeking a highly skilled and experienced Senior Network Engineer to join our team, contributing to vital projects … at the Naval Surface Warfare Center, Panama City Division (NSWC PCD). Position Overview: The Network Engineer will play a critical role in designing, developing, and testing network infrastructure to. This position requires a blend of technical expertise, creativity, and a deep understanding of both traditional and emerging network technologies. The successful candidate will be responsible … for transforming complex requirements into effective, secure network-based solutions. Key Responsibilities: Lead the design and development of robust network architectures that support Navy program's needs. Configure and manage Cisco network technologies, including routing, VLANs, voice, and firewall configurations. Deploy and maintain Cisco Firepower Threat Defense appliances and manage the Cisco Firepower Management Center. Design and More ❯

Job Title: Senior Network Engineer - Encrypted Classified Networks Location: Washington, DC (on-site/hybrid as required) Company: Aquarian Systems (in support of the Department of State, Communication Security Division) Clearance Required: Active TS/SCI Overview: Aquarian Systems is seeking a high-level Senior Network Engineer to join our team supporting the Department … of State's Communication Security Division. This position will focus on engineering, implementing, and supporting encrypted classified networks critical to U.S. national security. Responsibilities: -Design, configure, and maintain secure network architectures supporting classified and encrypted communications. -Integrate, troubleshoot, and optimize encryption devices (e.g., Type 1 KG encryptors, IPsec, VPNs, etc.). -Collaborate with federal stakeholders and internal technical teams … to ensure compliance with CNSS, NSA, and Department of State standards. -Conduct risk assessments, implement security controls, and support continuous monitoring for classified network environments. -Document network architectures, processes, and incident responses. -Serve as a senior technical advisor on secure network design and emerging threats. Requirements: -Active TS security clearance (no exceptions). -7+ years More ❯

Senior Network Engineer - Cyber Team Location: Schriever Space Force Base, Colorado Springs, CO Clearance Required: Active DoD Secret (Top Secret preferred) Employment Type: Full-Time, On-Site Salary: $170,000 - $200,000 p/a DOE Position Overview: OSAAVA Services is seeking a highly skilled Senior Network Engineer to join our Cyber Team supporting … operations at Schriever Space Force Base. This role will provide expert-level network engineering support to mission-critical, secure environments with a focus on performance, resilience, and cybersecurity compliance. As part of an elite technical team, you'll be responsible for engineering, securing, and maintaining enterprise network infrastructure to support advanced cyber operations and national defense objectives. Key … Responsibilities: • Design, implement, and maintain secure enterprise network architectures (LAN/WAN/SD-WAN) supporting cyber operations. • Lead advanced troubleshooting and root cause analysis for Tier III/IV network issues in classified environments. • Optimize network performance and reliability through capacity planning, tuning, and proactive maintenance. • Collaborate closely with cybersecurity, systems, and mission teams to ensure More ❯

We're searching for talented Sr. Network Administrators who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job … Description: The Senior Network Engineer will be responsible for: Managing computer systems and networks, including WANs, LANs Creating and restoring systems using various tools Managing network security Provide technical consultation and specialized guidance to management and users Oversee the IT infrastructure Deign LAN/WAN networks The Senior Network Engineer shall possess the … following capabilities: Maintaining computer networks and systems including software, mainframes, VPNs, routers and other physical hardware Installing and configuring network equipment to update or fix hardware or software issues Updating virus protection software to keep data and communications protected Monitoring computer systems to improve network performance for computer systems and networks Communicating networking issues to other employees and More ❯

Currently recruiting for a Senior Network Engineer role in the North East Near Middlesbrough and Stockton Senior Network Engineer Salary – Up to 50K Hybrid (2 – 3 days a week) Stockton on Tees Requirements: Cisco networking experience working with Cisco, Meraki, Checkpoint, Azure Cloud & M365. Demonstrable knowledge of secure configuration practices, VLAN's, QOS, scripting … maintenance, 802.1x or other network security protocols. Experience with the physical design & installation of Local Area Networks Experience with managing Wide Area Networks If interested in the role please apply or email More ❯