10 of 10 DemandTrendPermanent TCP/IP Jobs in Hertfordshire

our network infrastructure. Salary : Circa £55,000depending on experience + shift allowance Dynamic (hybrid) working : 5 days per week on-site due to workload classification, working a 24 / 7 Shift Pattern Security Clearance : British Citizen This role will require DV Clearance. Restrictions and / or limitations relating to nationality and / or rights … led company that values innovation and diversity, this is the place to make an impact. What we're looking for from you: ESSENTIALS Solid understanding of networking principles (TCP / IP, DNS, routing, switching, VLANS and load balancing) Strong expertise in configuring, maintaining and troubleshooting firewalls e.g. Cisco, Checkpoint, Palo Alto Demonstrable hands-on … experience in next-gen firewalls and advancing security features like IPS / IDS, SSL decryption and deep packet inspection. Proven experience in managing secure proxy solutions (e.g. Bluecoat, F5) and the ability to implement policies for content filtering, SSL inspection and network traffic monitoring. In depth knowledge of security protocols such as IPSec, SSL / TLS More ❯

to receive an alert: Network Security Engineer (Shift) Posting Date: 5 Aug 2025 Function: Cyber Security Unit: Business Location: Hatfield Business Park, Hatfield, United Kingdom Posting Date: 06 / 08 / 2025 Function: Cyber Security Location: Hatfield or Sheffield Please note - This role requires the selected candidate to hold UK Government Clearance to SC level or … be eligible for it. This role also requires you to work on a shift pattern (days / nights). Locations: Sheffield or Hatfield Why this job matters This role exists to provide specialist technical support on complex network security and cyber security deployments for UK contracts. Building effective working relationships and trust through communication and meeting deadlines is … management. What we would like to see on your CV External professional certification in security disciplines, e.g., Fortinet NSE 4, Cisco CCNP, Checkpoint CCSE, Palo Alto. Knowledge of TCP / IP & OSI model and data network operations. Understanding of engineering best practices and continuous delivery. Experience with incident and escalation management. Willingness to undergo More ❯

analysis and prevent reoccurring issues. This may include resolving more complex monitoring alerts, deploying the latest security updates, system maintenance and upgrading customer systems. Desired skills include: Remote / On Site Support, Ticket management, Experience working in an ITIL environment. Microsoft Office 365 services – experience in all aspects of Microsoft 365 migration and implementation highly desired. Email services … implementation of new workstations and network hardware across multiple remote sites. General desktop support, Hardware\software diagnosis and break fix. Windows OS 7,8 and 10 DNS, DHCP, TCP / IP, LAN, Routing, VPN and WAN. Interest and exposure to security (Firewalls, Windows security – server and workstation) Ind / Letchworth More ❯

Problem Management, with the ability to handle high-priority issues and drive them to resolution in a timely manner. · Deep understanding and hands-on experience supporting Windows Server / Desktop environments, including Active Directory, Group Policy, and related systems. · Solid understanding of core networking protocols, such as TCP / IP, DNS, and … Administrator are a plus. · ITIL Foundation or higher qualification is highly desirable, with experience implementing ITIL best practices for service management. · Experience with Azure, including tools like Entra / Intune, is an advantage. · A strong understanding of virtualization platforms such as Hyper-V, VMware, or Citrix. Salary and benefits · Competitive salary · 25 days holiday allowance · Company pension · Life More ❯

industry-leading security tools, this Network Security Engineer position could be a perfect opportunity for you. What you'll be doing as the Network Security Engineer Supporting 24 / 7 security operations as part of the Internal Security Response (ISR) team, with a focus on incident response and triage. Designing, implementing, and maintaining robust security solutions around network … like Bluecoat and Riverbed. Monitoring, troubleshooting, and fine-tuning network architectures, routing, switching, VLANs, and load balancing features. Network Security Engineer experience & skills Strong understanding of networking principles - TCP / IP, DNS, routing, switching, VLANs, and load balancing. Hands-on experience configuring, maintaining and troubleshooting firewalls (Checkpoint, Cisco, Palo Alto, Bluecoat). Knowledge of … IPS / IDS, SSL decryption, deep packet inspection, and VPNs. Experience managing secure proxy solutions, and monitoring platforms like Nagios or PRTG. Familiarity with security protocols such as IPSec, SSL / TLS, and two-factor authentication. Security clearance is essential - applicants must be British citizens and will undergo DV clearance. Get in touch If you meet More ❯

SOC tool usage, operational practices, and knowledge-sharing across the team. Prepare and present reports for managed clients, tailoring content for both technical and non-technical stakeholders. Skills / Must have: Proven experience working in a Security Operations Centre. Hands-on experience with Microsoft Sentinel and Splunk. Familiarity with the Mitre ATT&CK framework. Strong understanding of networking … fundamentals (TCP / IP, WANs, LANs, common Internet protocols). Knowledge of enterprise-grade security tools such as firewalls, VPNs, AV, IDS / IPS, and log management. Experience analysing log data and network security events. Desirable Skills: Understanding of static malware analysis and reverse engineering. CREST Practitioner Intrusion Analyst certification. Familiarity More ❯

Mitre Att&ck Framework. Solid grasp of client-server applications, multi-tier web applications, relational databases, firewalls, VPNs, and enterprise AntiVirus products. Good understanding of networking principles including TCP / IP, WANs, LANs, and commonly used Internet protocols such as SMTP, HTTP, FTP, POP, LDAP. It would be great if you had: Static … malware analysis and reverse engineering. DV Clearance. Programming and scripting such as Python, Perl, Bash, PowerShell, C++. CREST Practitioner Intrusion Analyst / Blue Teams Level 1 or other SOC related certifications. Experience with SIEM technologies, namely Sentinel and Splunk, with some experience with QRadar. If you are interested in this role but not sure if your skills and More ❯

Framework for detection and threat analysis In-depth understanding of: Client-server applications and multi-tier web environments Relational databases , firewalls , VPNs , enterprise AntiVirus solutions Networking principles (e.g. TCP / IP, WAN, LAN, SMTP, HTTP, FTP, POP, LDAP) Desirable (Nice-to-Have): Experience in static malware analysis and reverse engineering Active DV Clearance Scripting More ❯

support to the staff (onsite and remote) Handling basic tickets from our internal help desk Reviewing unallocated tickets raised and allocating them to the appropriate team member and / or to our external support provider Maintain accurate documentation of incidents, resolutions, and IT asset inventory Support onboarding and offboarding of employees, including device setup Coordinate with third-party … vendors for support and warranty claims Supporting other responsibilities while other members are out of the office Skills General Microsoft Office knowledge Basic networking (TCP / IP, DNS, DHCP) Good verbal and written communication skills Ability to work both independently and as part of a team Willingness to learn new skills Proactive approach to More ❯

accordance with external standards such as MIL-STD, Def Stan, and IEC. Hands-on experience in developing and integrating systems that utilize various communication protocols (e.g., RS485, RS232, TCP / IP, CANBus). Background in product development tailored for deployment on naval platforms. Join a forward-thinking engineering team at the forefront of cutting More ❯