Terraform, Ansible, Serverless, and container registries In-depth understanding of public cloud platforms and deployment best practices Strong knowledge of network protocols (TCP/IP) and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate complex More ❯
Terraform, Ansible, Serverless, and container registries In-depth understanding of public cloud platforms and deployment best practices Strong knowledge of network protocols (TCP/IP) and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate complex More ❯
london (tottenham), south east england, united kingdom
Palo Alto Networks
Terraform, Ansible, Serverless, and container registries In-depth understanding of public cloud platforms and deployment best practices Strong knowledge of network protocols (TCP/IP) and security practices (IPSec, SSL-VPN, NAT, GRE) Hands-on experience with cloud infrastructure operations and troubleshooting customer tech stacks. Familiarity with SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate complex More ❯
for version control and collaborative development. Communication Skills: Strong documentation, communication, and interpersonal skills are essential for effective collaboration. Load Balancer Design: Extensive experience with standard load balancer design, SSL termination, and overall application/solution design. Certifications: Desired certifications or equivalent experience in disciplines such as CCNA, CCNP, CCDP, CCIE, CISSP, or other relevant security certifications. Advanced Traffic Management More ❯
balancers expertise. Strong experience with firewall platforms: Palo Alto Networks and CheckPoint. Strong experience in Zscalar is preferrable Solid understanding of networking protocols and concepts (TCP/IP, DNS, SSL/TLS, routing, etc.). Proficient with AWS services including EC2, ELB, VPC, IAM, CloudWatch, S3,VPC Lattice, Transit Gateway, VPN and more. Practical knowledge of DevOps tools: Git, Jenkins More ❯
balancers expertise. Strong experience with firewall platforms: Palo Alto Networks and CheckPoint. Strong experience in Zscalar is preferrable Solid understanding of networking protocols and concepts (TCP/IP, DNS, SSL/TLS, routing, etc.). Proficient with AWS services including EC2, ELB, VPC, IAM, CloudWatch, S3,VPC Lattice, Transit Gateway, VPN and more. Practical knowledge of DevOps tools: Git, Jenkins More ❯
Industrial Base client environments. • Firewall Engineering: Implement, configure, and manage next-generation firewalls (NGFWs), including rule creation, policy optimization, and advanced security feature deployment (e.g., IDS/IPS, VPN, SSL inspection). • Implementation & Integration: Lead deployment and integration of networking and firewall solutions into hybrid cloud and on-premise environments while ensuring compliance with NIST 800-171 and CMMC requirements. More ❯
engineering and knowledge of network element management plane, control plane, data plane and fast switching. A very good understanding of Application Layer Network Protocols - HTTP/HTTPS, TLS/SSL, DNS, DHCP, CCIE or equivalent certification an added advantage. Experience in Network Access control (NAC) and RADIUS based AAA for secure and automated access supporting Corporate and Guests users, including More ❯
operational product engineering and knowledge of classical network element management, SDN Controllers and ETSI MANO. A very good understanding of Application Layer Network Protocols - HTTP/HTTPS, TLS/SSL, DNS, DHCP, CCIE or equivalent certification an added advantage Experience in Network Access control (NAC) and RADIUS based AAA for secure and automated access supporting Corporate and Guests users, including More ❯
operational product engineering and knowledge of classical network element management, SDN Controllers and ETSI MANO. A very good understanding of Application Layer Network Protocols - HTTP/HTTPS, TLS/SSL, DNS, DHCP, CCIE or equivalent certification an added advantage Experience in Network Access control (NAC) and RADIUS based AAA for secure and automated access supporting Corporate and Guests users, including More ❯
knowledge. • Excellent communication skills for customer-facing contact. • Strong understanding of networking concepts, including TCP/IP, DNS, VPNs, and firewalls. • Knowledge of security protocols and standards such as SSL/TLS, OAuth, SAML, and OpenID Connect. • Familiarity with identity and access management (IAM) concepts and tools. • Experience with encryption techniques and cryptographic protocols. • Understanding of containerization technologies like Docker More ❯
Network and infrastructure operational product engineering and knowledge of classical network element management, SDN Controllers and ETSI MANO. A very good understanding of Application Layer Network Protocols - TLS/SSL, DNS, DHCP, CCIE or equivalent certification an added advantageExperience in Network Access control (NAC) and RADIUS based AAA for secure and automated access supporting Corporate and Guests users, including experience More ❯
infrastructure operational product engineering and knowledge of network element management plane, control plane, data plane and fast switching. A very good understanding of Application Layer Network Protocols - TLS/SSL, DNS, DHCP, CCIE or equivalent certification an added advantage.Experience in Network Access control (NAC) and RADIUS based AAA for secure and automated access supporting Corporate and Guests users, including experience More ❯
Strong knowledge of resource allocation, scaling strategies, downtime planning, and disaster recovery. Strong knowledge of databases (e.g., SQL, Oracle). Strong knowledge of Firewalls, VPNs, and Secure Sockets Layer (SSL)/Transport Layer Security (TLS). Strong knowledge of encryption for data at rest and in transit. Strong knowledge of operating systems (e.g., Linux, Windows) and basic troubleshooting. Ability to More ❯
compliance metrics to senior leadership. Required Qualifications: 5+ years of experience in cybersecurity or infrastructure operations, with a focus on cryptographic asset management. Strong understanding of PKI, TLS/SSL, HSMs, and secrets management tools. Proficiency in cryptographic protocols (OCSP, CRL, TSA). Hands-on experience with HSMs (e.g., Thales, SafeNet) and PKI platforms (e.g., Entrust, eMudhra). Experience with More ❯
including Akamai CDN, Prisma Access SSE, and AWS networking Strong firewall expertise (Palo Alto/Check Point) and core routing & switching (Juniper, Cisco, OSPF, BGP, VLANs) DNS implementation & security, SSL/PKI, VPNs Cloud automation with Terraform and CI/CD (GitHub, Bitbucket) Content delivery & web security (Akamai Kona, AAP) Monitoring & troubleshooting (Datadog, packet analysis) We might not be right More ❯
eager to learn. DESIRED SKILLS • Experience monitoring network activity and network traffic redirection. • Familiarity with web proxies (iptables, mod_proxy, digital certificates, etc.), common web servers (i.e. Apache, NGINX), SSL certificates, and DNS records. • Experience integrating LDAP with Windows Active Directory (AD) • Experience with Windows and network administration • Experience with Apache Solr • Experience with installing, configuring and maintaining physical server More ❯
ability to learn new systems and applications quickly Experience implementing and supporting Windows clients within a production environment. Strong comprehension of networking concepts such as DNS, DHCP, Email, HTTP, SSL, and TCP/IP protocols. Strong troubleshooting skills (networking, virtualization, Active Directory, Windows Server, Windows Firewall) The ability to identify the root causes of issues by analyzing patterns and trends. More ❯
On as an identity and access management solution (i.e. Entra/Azure AD). Knowledge of network services, including site-to-site VPN, client VPN, VLAN, domain management, DNS, SSL, FTP. Proven track record in supporting and troubleshooting issues related to the mentioned technologies. Excellent problem-solving skills with the ability to analyze complex technical issues and provide efficient resolutions. More ❯
experience (VCP an advantage). Storage technologies (NAS, NetApps, Synology). Strong understanding of Office 365. Strong understanding of Microsoft Azure. Strong understanding of Microsoft Intune. Strong understanding of SSL Certificates. Essential Skills: Excellent communication skills Organisational skills Results driven with a proven track record Team player Self-motivated and proactive Ability to be resilient and to work under pressure More ❯
added advantage. Experience in performance and security engineering including experience with concepts of zero trust networking and a familiarity of Application Layer Network Protocols - HTTP/HTTPS, TLS/SSL, DNS, DHCP, etc. an added advantage Skilled in lifecycle management of network products and services including requirements analysis, platform selection, technical architecture design, service design & development, testing and deployment at More ❯
Stevenage, Hertfordshire, South East, United Kingdom
Henderson Scott
What You'll Need Strong networking fundamentals (TCP/IP, DNS, VLANs, routing/switching) Hands-on experience with firewalls and secure proxy solutions Understanding of security protocols (IPSec, SSL/TLS, MFA, etc.) Familiarity with monitoring tools and packet capture analysis Eligibility for DV clearance (British citizens only, no extended time abroad) ?? What's On Offer Salary circa More ❯
experience, focusing on automation Production experience with Monitoring and Observability tools (Prometheus, Grafana, Datadog, Thanos, New Relic, Open Telemetry) Understanding of Cloud Networking concepts (Mesh Networking, NAT, Load Balancers, SSL Certificates and TLS termination, API Gateways, proxies, etc) Strong written and verbal communication, organization, and documentation skills Benefits: At Zefr, we embrace a flexible work environment that empowers our team More ❯
