1 to 25 of 1,420 Firewall Jobs

Cyber Essentials, NIST, ISO 27001. An understanding of network security and compliance in regulated environments. Strong networking knowledge (LAN, WAN, DNS, DHCP, VPN, TCP/IP). Proficiency in firewall and load balancer technologies for secure environments. Hands-on experience with virtualization platforms (VMware, Citrix Xen) and backup solutions (Veeam or similar). Experience with monitoring tools (SolarWinds SentryOne, Zabbix More ❯

and modernise operations across the board, which includes furthering the skills of our colleagues. At DXC, building a better you, builds a better us. We are seeking a skilled Firewall Engineer to be based from our Erskine site to design, implement, manage, and troubleshoot firewall solutions to protect our organizations network infrastructure. The ideal candidate will have in-depth knowledge … of firewall technologies, network security principles, and best practices to ensure robust defense against cyber threats. Key Responsibilities: Design, deploy, configure, and maintain firewall infrastructure (e.g., Cisco ASA, Palo Alto, Fortinet, Check Point). Monitor firewall performance and analyze security logs to detect and respond to security incidents. Implement firewall rules, policies, and access control lists (ACLs) based on organizational … security requirements. Collaborate with network, security, and IT teams to ensure seamless integration of firewall systems. Conduct firewall rule reviews, audits, and compliance checks regularly. Troubleshoot and resolve firewall-related issues promptly to minimize downtime. Stay updated with the latest security threats and firewall technologies to recommend improvements. Document firewall configurations, changes, and procedures for audit and knowledge sharing. Participate More ❯

resolving issues related to servers, network connectivity, and system updates. Familiarity with monitoring tools like Nagios, SolarWinds, or Microsoft System Center Operations Manager (SCOM). Security and Compliance:Managing firewall configurations, antivirus software, and patch management. Applying security policies and ensuring compliance with IT regulations (HIPAA, GDPR, etc.). Implementing role-based access controls (RBAC) and managing permissions. Backup and More ❯

in existing multi-tenant cloud/virtualized platform on Azure Government (Azure-Gov) and Amazon Web Services Government (AWS-G). Responsible for assessing and facilitating network requests: including firewall policies, VPN, load balancing, cryptography, and network architecture. Design and implement security-first network policies and procedures to adhere with NIST 800.171 and CMMC compliance regulations. Communicates effectively with end More ❯

Experience in the installation, configuration and maintenance of Windows Server Update Services (WSUS). Experience of SQL Server. Experience of network setup and configuration (TCP/IP, DNS, DHCP, Firewall skills). Knowledge of backup technologies. Experience of desktop rollout and configuration. Experience of cloud-based deployment. Experience configuring and maintaining monitoring tools and systems. Defence experience. ITIL Foundation Qualification. More ❯

network engineers to diagnose and resolve LAN, WAN, and Wi-Fi connectivity issues Monitor critical network services like DNS and DHCP to ensure consistent system functionality Assist in reviewing firewall rules to support secure access to Windows servers Contribute to the planning and deployment of VPNs, remote access solutions, and network segmentation strategies Troubleshoot shared infrastructure issues, including domain name More ❯

role Strong knowledge of TCP/IP, DNS, DHCP, routing protocols, and network security best practices Experience with network hardware such as Cisco, Juniper, or equivalent equipment Proficient in firewall management and VPN configuration Excellent troubleshooting and problem-solving skills Familiarity with Microsoft Active Directory, Office 365, and network monitoring tools Strong communication and teamwork skills Scripting or automation skills More ❯

plans Researches, designs, and implements security solutions for network infrastructure Tracks and reports identified information system vulnerabilities Monitors, reviews, analyzes, performance tunes, and make recommendations to optimize network Manages firewall security appliances Keeps the Division abreast of emerging network technologies and the latest network standard Leads projects as an Engineering Lead and/or Project Manager to develop secure, resilient More ❯

plans Researches, designs, and implements security solutions for network infrastructure Tracks and reports identified information system vulnerabilities Monitors, reviews, analyzes, performance tunes, and make recommendations to optimize network Manages firewall security appliances Keeps the Division abreast of emerging network technologies and the latest network standard Leads projects as an Engineering Lead and/or Project Manager to develop secure, resilient More ❯

cross-team collaboration. Key Responsibilities: Deploy, configure, and manage a wide range of security technologies, including Zscaler services (ZIA, ZPA, ZDX), EDR, DLP, secure web gateway, email security, IDPS, firewall, SIEM, and identity protection tools. Responsibilities include policy configuration, SAML integrations, monitoring, and user onboarding for Zscaler platforms. Integrate security tools with Microsoft platforms such as Azure AD, Conditional Access More ❯

Proficiency in TCP/IP, IPv4 addressing, IP subnetting, VLANs, Spanning Tree, Nexus VPC, and routing protocols. Knowledge of the OSI model and ability to apply it for troubleshooting. Firewall management experience (Cisco FirePower, ASA, Fortigate). Understanding of DNS and device configuration. Familiarity with Microsoft Office tools (Visio, PowerPoint). Knowledge of network security (IP access-lists). Active More ❯

flow performance prioritization, monitoring, and visibility • Automated network path selection for optimization of application performance • Packet replication across multiple network access segments to improve overall service robustness • Next-Generation firewall and intrusion detection/prevention capabilities for edge devices • Conduct advanced security analytics for encrypted networks • Willingness to stay updated with the latest trends and advancements in SD-WAN and More ❯

Certified Professional Network Virtualization (VCP-NV), CompTIA Network+. Extensive Experience with the following: Enterprise Switching/Routing (L2/L3) Cisco Catalyst, Nexus, Arista Cisco Edge Routers (ASR, ISR) Firewall/IPS/IDS (Palo Alto) VPN (Cisco ASA, Palo Alto) SDWAN Technologies (SilverPeak, Arista, Palo Alto) Microsoft Azure Networking Services (VNet, NSG, Azure Firewalls, Traffic Manager, etc.) Load Balancing More ❯

Infrastructure Operations Manager. Key Responsibilities: • Network Management: Configure, monitor, and troubleshoot enterprise-level network devices, including routers, switches, firewalls, and load balancers. • Security: Implement and manage security protocols, including firewall policies, VPNs, and IDS/IPS systems. • Remote and On-site Support: Provide both remote and on-site support, including racking and un-racking network equipment, and manage network infrastructure More ❯

IaC) tools such as Terraform, AWS CloudFormation, or Ansible. • Security: o Network security best practices. o Zero Trust network principles. o Cloud-native security services (AWS Security Groups, Azure Firewall, etc.). • Monitoring & Troubleshooting: o Cloud-native monitoring tools (e.g., AWS CloudWatch, Azure Monitor). o Third-party tools (Datadog, Splunk, SolarWinds). Professional Certifications • Cloud Certifications: o AWS Certified More ❯

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, and access controls. • Collaborate with cross-functional teams to support deployments and cross domain issues. • Lead or participate in network-related projects, migrations, and integrations. More ❯

back-end components. • Gather needed data to specify system/component performance and interface requirements. • Implement specific network solutions to support server requirements to include load-balancing, VPN's, firewall contexts, Traffic Shaping Voice over IP (VoIP), GRE Tunneling, IP Security (IPSec), IP Encryption, • Media over IP (MoIP), and network address translation (NAT) where appropriate. • Must have flexible working hours More ❯

Alto Networks Certified Network Security Engineer PCNSE Check Point Certified Security Administrator CCSA Check Point Certified Security Expert CCSE Certified Network Security Professional eg CISSP CompTIA Security Mandatory Skills : Firewall - CheckPoint,Firewall - Palo Alto,Firewall - Cisco,Firewall - Fortinet,Network Security - Next Generation Firewalls/NAC/Zero Trust/Segmentation/APT/IPS/IDS,Network Security Randstad Technologies More ❯

Alto Networks Certified Network Security Engineer PCNSE Check Point Certified Security Administrator CCSA Check Point Certified Security Expert CCSE Certified Network Security Professional eg CISSP CompTIA Security Mandatory Skills : Firewall - CheckPoint,Firewall - Palo Alto,Firewall - Cisco,Firewall - Fortinet,Network Security - Next Generation Firewalls/NAC/Zero Trust/Segmentation/APT/IPS/IDS,Network Security Randstad Technologies More ❯

Alto Networks Certified Network Security Engineer PCNSE Check Point Certified Security Administrator CCSA Check Point Certified Security Expert CCSE Certified Network Security Professional eg CISSP CompTIA Security Mandatory Skills : Firewall - CheckPoint,Firewall - Palo Alto,Firewall - Cisco,Firewall - Fortinet,Network Security - Next Generation Firewalls/NAC/Zero Trust/Segmentation/APT/IPS/IDS,Network Security Randstad Technologies More ❯

service like Database services, Kubernetes etc. Microsoft AZURE Certification in specialized areas is a Must Understand the terminologies and how to navigate IP subnetting, Network Security Groups, routing, Azure Firewall, load balancing, DNS, and other networking concepts and protocols Excellent technical architecture skills, enabling the creation of future-proof, complex global solutions and Strong Experience across Applications Migration (On-Perm More ❯

5+ years in a Network Engineer or Infrastructure Engineer role Strong knowledge of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAG Deep experience with BGP, OSPF, EIGRP routing protocols Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate VPN setup and support (IPSEC, remote access) Familiarity with Wireshark, SNMP, and monitoring tools Cross-platform support (Windows, Linux, macOS) Microsoft Active Directory More ❯

5+ years in a Network Engineer or Infrastructure Engineer role Strong knowledge of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAG Deep experience with BGP, OSPF, EIGRP routing protocols Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate VPN setup and support (IPSEC, remote access) Familiarity with Wireshark, SNMP, and monitoring tools Cross-platform support (Windows, Linux, macOS) Microsoft Active Directory More ❯

experience at a 2nd/3rd Line level in: Windows 10/11 Windows Server Active Directory Office 365/EntraID Virtualisation - VMWare/Hyper V Networking - router, switch, firewall, VLAN, WAN, Wi-Fi, DNS, DHCP Job Offer A salary range of 35,000 - 40,000 per annum. Extensive company benefits package. Fantastic training opportunities including sponsorship for professional accreditations. More ❯

Desirable Qualifications (or willingness to work towards): Microsoft Certifications (MCP, MCSA). Cisco Certifications (CCNA). Virtualisation Certifications (VMware/Hyper-V). Cloud Certifications (Azure/AWS). Firewall & Networking Certifications (Fortinet, Cisco, SonicWall, Ruckus). If you are a skilled and ambitious IT Engineer looking for a new challenge, we would love to hear from you. To apply More ❯