London, England, United Kingdom Hybrid / WFH Options
BlackRock, Inc
i.e. SLI/SLO) and capacity planning. You are a competent Linux & Windows systems administrator (for multiple distributions), including storage management (e.g. LVM, RAID) and security best-practices e.g. SSH, SSL/TLS, HMAC, IPS/IDS. Our benefits To help you stay energized, engaged and inspired, we offer a wide range of employee benefits including: retirement investment and tools More ❯
optimising high performance technology at scale. Passion as an open source technologist, with good working knowledge of common open source technologies. (E.g. Red Hat Linux, Amazon Linux, Debian, git, SSH, rsync, nginx, apache, etc) Familiarity and experience with core Information Security principles and ISO 27001 accreditation (E.g. threat modelling, compartmentalisation, separation of concerns, principle of least privilege, etc) Ability to More ❯
e.g. certificate handling and PKI, attestation, TPM/HSM) - Expert knowledge of Windows, Linux, and hypervisor security (especially in cloud environments) - Expert knowledge of common security-relevant protocols (e.g. SSH, TLS, DNS, DHCP, NTP, ICMP) #J-18808-Ljbffr More ❯
language: Java, ASP.NET, C/C++, C#, Python, or Perl Experience with system analysis and troubleshooting in large-scale Windows or Linux environment Strong networking fundamentals including DNS, DHCP, SSH, HTTP, TCP/IP protocols, and hands-on experience with network infrastructure components such as load balancers, switches, and routers Proven track record of driving cross-team initiatives with strong …/Linux platform Deep Experience with Windows and Microsoft technologies Strong understanding of modern database technology, experience with AWS database products such as RDS Advanced understanding of DNS, DHCP, SSH, HTTP, TCP/IP and other common network protocols Bachelor’s Degree in Computer Science or related technical field Solid knowledge of CS fundamentals - object-oriented design, data structures, algorithms More ❯
systems, incident management and change control tools and processes Knowledge of networking technology and protocols including routers, switches, firewalls, TCP/IP, UDP, BGP, HTTP(S), SSL/TLS, SSH, SNMP etc. Knowledge of IT security practices and technologies including IPSec and PKI. Knowledge of Cloud Computing Services Knowledge of various operating systems usage and administration (Windows and Linux) Programming More ❯
network vulnerabilities including: IP spoofing Use of default credentials Open/unused ports Unencrypted communication protocols (e.g., Telnet, SNMPv1) Missing firmware or OS-level patches Enforce secure alternatives like SSH and SNMPv3 , and ensure TLS 1.2/1.3 is implemented for encrypted communications. Apply hardening techniques across firewalls, routers, and switches based on CIS Benchmarks , NIST standards , and industry best More ❯
Inspector , etc. Remediate network vulnerabilities including IP spoofing, open ports, unencrypted protocols, default credentials, and outdated firmware. Enforce secure alternatives to legacy protocols (e.g., replacing Telnet/SNMPv1 with SSH/SNMPv3). Apply hardening standards using CIS Benchmarks , NIST guidelines , and industry best practices to secure routers, switches, and firewalls. Configure and maintain key network security controls such as More ❯
of SPIFFE standards and certificate/token-based authentication using tools such as Teleport, SPIRE or Consul Demonstrated expertise in designing and deploying IAM/PAM solutions that leverage SSH CA, using tools like Teleport to implement secure, automated access controls Proven experience in deploying secure Kubernetes clusters, including worker node attestation, using TPM or secure boot, and container signing More ❯
based delivery Ability to partner with multiple teams in order to tackle issues, clarify requirements, communicate and convince stakeholders, etc. Comfortable with a Linux-based tech stack (managed VMs, SSH, VPNs, firewalls) Experience with Kubernetes (incl. managed), Terraform, Ansible, Github, Gitlab, ArgoCD, Image registries Experience with various cloud platforms including Google Cloud, non-managed providers We'd love it if More ❯
products we develop and maintain are: in-house job scheduling. in-house monitoring. metrics collection and visualisation. in-house network automation and configuration management tooling. Kerberos infrastructure, secrets management, ssh proxy and similar. general purpose Linux build system and our in-house secure Linux distribution. central asset database used by procurement, finance, datacentre operations and others. company-wide monorepo, build More ❯
Systems automation, design, implementation, and technical infrastructure experience. Experience with IaaS solutions (e.g., Kubernetes, virtualization, hybrid cloud) and cloud storage solutions. Networking knowledge (TCP/IP, VLANs, DNS, DHCP, SSH, etc.) and infrastructure experience (Linux, Kubernetes, Storage). Customer solution engineering experience. Scripting skills (Bash, Perl, Python, Ruby) for automation. Experience as a Site Reliability Engineer or in IT production More ❯
London, England, United Kingdom Hybrid / WFH Options
Outpost24
automate processes from our SaaS solutions. What makes you our ideal candidate? Has knowledge of standard operating systems, Networking, Cloud architectures, System Authentication (AD/LDAP/SMB/SSH), DNS, and some knowledge of common softwares used in businesses today. Has experience in data analytic tools (PowerBi) and can build dashboards from scratch. Has a good understanding of IT More ❯
distributed computing technology). Experience in TCP/IP and networking concepts (PXE boot, Subnets, VLANs, Jumbo Frames, LACP, NIC Teaming, Unicast/Broadcast/Multicast, ACLs, DNS, DHCP, SSH, etc.) and in one or more areas of infrastructure: Linux, Kubernetes, Networking, Storage, etc. Experience as a Customer Solution Engineer. Experience in scripting (e.g., Bash, Perl, Python, Ruby, etc.) to More ❯
as IP spoofing, default credentials, open ports, unencrypted protocols, and missing firmware patches. Must be familiar with insecure legacy protocols like Telnet and SNMPv1 and enforce secure alternatives like SSH and SNMPv3. Will apply hardening techniques using CIS Benchmarks, NIST standards, and industry best practices across firewalls, routers, and switches. Responsible for configuring and maintaining network security controls including ACLs More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Insight International (UK) Ltd
as IP spoofing, default credentials, open ports, unencrypted protocols, and missing firmware patches. Must be familiar with insecure legacy protocols like Telnet and SNMPv1 and enforce secure alternatives like SSH and SNMPv3. Will apply hardening techniques using CIS Benchmarks, NIST standards, and industry best practices across firewalls, routers, and switches. Responsible for configuring and maintaining network security controls including ACLs More ❯
as IP spoofing, default credentials, open ports, unencrypted protocols, and missing firmware patches. Must be familiar with insecure legacy protocols like Telnet and SNMPv1 and enforce secure alternatives like SSH and SNMPv3. Will apply hardening techniques using CIS Benchmarks, NIST standards, and industry best practices across firewalls, routers, and switches. Responsible for configuring and maintaining network security controls including ACLs More ❯
architecture and O-RAN network Must have a good working and implementing knowledge of the following protocols and technologies IPSec, VPN, TCP/IP, SSL, TLS, IDS/IPS, SSH, SNMP, NTP Knowledge of security tools and technologies, including firewalls, IDS/IPS, VPN, and SIEM Development and scripting skills required (Python, Powershell scripting or Shell scripts preferred) Willingness to More ❯
your ability to effectively communicate technically to a range of both external and internal stakeholders. Have a strong understanding of RADIUS, PKI, IKE, Certificates, L2TP, IPSEC, FIREWALL, 802.1Q, MD5, SSH, SSL, SHA1, DES, 3DES. What you can expect from us Excellent training and development opportunities, providing you with all the tools you need to be successful. An open working environment More ❯
VMWare and HCI (VxRail, Stack) Solid experiences in Converge (Exadata, Supercluster, PCA),Chassis/Blade based server technology and X86 hardware. Fundamentals in Networking skills TCP/IP, DNS, SSH, DNS, LDAP as well as Automation skills using Python Bright and highly collaborative with a “get-things-done” attitude to problem solving and technical challenges. Bachelor's or higher degree More ❯
