Understanding of web security and best practices for secure web application development. Understanding of basic systems administration (especially AWS, Linux-based systems, managed MySQL). Knowledge of networking, protocols, HTTP, TCP/UDP and serialisation formats (JSON, XML). Experience of IoT protocols such as MQTT is desirable. Skills, Knowledge and Expertise Extensive knowledge of Amazon Web Services such as More ❯
What we're looking for 4+ years work experience with back-end applications Solid understanding of Javascript Familiarity with Node.js Experience with TypeScript Good knowledge of web architecture (URIs, HTTP, Caching, etc) Proficiency in Git version control Familiarity with UNIX terminal Excellent knowledge of English language (verbal and written) Solid understanding of relational databases Preferred Qualifications Experience working with Knowledge More ❯
Social network you want to login/join with: Have expertise in solution architecture and at least one IT Architecture domain (Business, Application, Information, Technology, Security). Lead software/product evaluation and selection according to Software Requirement Process requirements. More ❯
/Windows server environment. PHP, Perl, MySQL skills. Network Knowledge, TCP/IP, Data Transmission, L2/L3 VPN, Multi-Layer Networking. ISP related server application. I.E. SMTP, DNS, HTTP, Radius, SNMP Monitoring & Traffic Management. Experience in monitoring applications such as icinga, nagios, solarwinds and others (opmanager) Facility Management, Network Cabling, Equipment Installation. Knowledge and proficiency in Excel, Word, PowerPoint More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
failure. Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences. Additional knowledge around GraphQL, REST, HTTP basics, and the ability to design maintainable APIs is a plus. What’s in it for you The opportunity to be part of a team at the forefront of web3 More ❯
applications in Swift and Swift UI. Knowledge and understanding of modularisation, SPM and CocoaPods dependencies, and modern app architectures such as MVVM, MVP, and MVI. A solid understanding of HTTP and RESTful APIs, as well as an understanding of sockets. Knowledge of Test-Driven Development, Junit, Cucumber, XCTest and XCUITest with the ability to ensure a high level of both More ❯
Network Security, Infrastructure and Operating Systems & Applications Knowledge of IT Security standard methodologies Understanding of the OSI Reference Model and network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S Experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools Hands-on experience with IDS/ More ❯
Stevenage, Hertfordshire, South East, United Kingdom
Defence
Network Security, Infrastructure and Operating Systems & Applications Knowledge of IT Security standard methodologies Understanding of the OSI Reference Model and network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S Experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools Hands-on experience with IDS/ More ❯
SFDX experience Salesforce Platform Developer I & II Certification System and Data Integration experience Deep real-world integration deliveries experience of enterprise software systems using industry standard environments such as HTTP/HTTPS, JSON/XML, RESTful/SOAP Webservices, Java, C++, and ASP Exposure to development on platforms outside of Salesforce (e.g. AWS/MuleSoft) Nice to have Experience with More ❯
or squad. Experience working with backend services and mobile technologies. Exceptional programming skills, especially in building APIs with modern OO languages like Java, and knowledge of SOLID principles, SOA, HTTP, and REST. Experience with AWS and cloud-based development. Designing secure, scalable architectures. Effective communication and collaboration skills to maximize inner-sourcing and reduce waste. Proven ability to deliver high More ❯
and security. Your skills and experience Candidate should have 5 8 years experience in QA testing role in embedded and IoT products. Understanding embedded systems, IoT protocols (MQTT, CoAP, HTTP), and cloud integration. Testing hardware, firmware, and performance of IoT devices. Verifying communication protocols (Wi-Fi, Zigbee, Bluetooth) and network coverage. Ensuring secure authentication, data encryption, and penetration testing for More ❯
computer systems - Experience maintaining zebra thermal printers, troubleshooting thin clients, PCs, scanners, and portable handheld terminals - High school or equivalent - Understanding of networking concepts such as DNS, DHCP, Email, HTTP, SSL, OSI Model, and TCP/IP protocols and applications. - Work a flexible schedule/shift/work area, including weekends, days and nights. - Ability to lift 50 lbs/ More ❯
Farnborough, Hampshire, South East, United Kingdom
Sopra Steria Limited
in the analysis of log data and intrusion detection systems. Solid 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: ? Understanding of static malware analysis and reverse engineering. CREST Practitioner Intrusion Analyst. Experience with SIEM technologies, namely Sentinel and Splunk More ❯
Employment Type: Permanent
Salary: 25 days holidays, 6% Contributory pension, 4 x life Insurance
with security scanning tools, including SAST and SCA (e.g. Snyk, Checkmarx) and DAST tools (e.g. OpenZAP, Qualys DAST). Technical Breadth: Solid understanding of networking protocols (TCP/IP, HTTP/3, AMQP, etc.), cloud network design (VPNs, subnets, zones), and integration technologies (e.g. Auth0, API management tools). Operational Awareness: Ability to manage and support large-scale software estates More ❯
Hemel Hempstead, Hertfordshire, England, United Kingdom
Sopra Steria
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 More ❯
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Sopra Steria Limited
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 More ❯
Employment Type: Permanent
Salary: 25 days holidays, 6% Contributory pension, 4 x life Insurance
London, England, United Kingdom Hybrid / WFH Options
Oliver James
with security scanning tools, including SAST and SCA (e.g. Snyk, Checkmarx) and DAST tools (e.g. OpenZAP, Qualys DAST). Technical Breadth: Solid understanding of networking protocols (TCP/IP, HTTP/3, AMQP, etc.), cloud network design (VPNs, subnets, zones), and integration technologies (e.g. Auth0, API management tools). Operational Awareness: Ability to manage and support large-scale software estates More ❯
London, England, United Kingdom Hybrid / WFH Options
Intersys Ltd
Splunk), Microsoft Defender (and/or other EDR tools), Azure, and M365 security technologies. A strong grasp of day-to-day security fundamentals, including but not limited to DNS, HTTP(S), TCP/IP, OSI model, authentication protocols (e.g., Kerberos, NTLM), and common Windows/Linux command-line tools. Hands-on experience analyzing and interpreting SPF, DKIM, and DMARC records. More ❯
in the workplace and at home, there’s nothing we can’t achieve. BASIC QUALIFICATIONS - Bachelor's degree in computer science or equivalent - Knowledge of networking protocols such as HTTP, DNS and TCP/IP - Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language PREFERRED QUALIFICATIONS - Experience with AWS products and services - Experience with More ❯
Familiarity with switching protocols like STP, VLANs, and Trunking Awareness of security protocols including IPsec, SSL/TLS, and AAA (RADIUS, TACACS+) Understanding of application layer protocols such as HTTP, DNS, and DHCP Experience with network devices from vendors like Cisco, Juniper, Arista, etc. Knowledge of firewalls, IDS/IPS, and other security appliances Experience with load balancing technologies and More ❯
of agile development practices Experience with RDBMS & NoSQL datastores Bonus points for real-time low-latency high-frequency transaction based systems Ability to diagnose problems at any level (Client, HTTP/Network, Server, Database, OS) and provide sound rationale behind technical decisions Demonstrable experience of building large concurrent and distributed applications Experience of developing and running large scale production environments More ❯
managing Fortinet FortiGate firewalls (FortiOS, FortiManager, FortiAnalyzer) and Palo Alto Networks firewalls (PAN-OS, Panorama) Strong understanding of core networking principles, protocols, and technologies (TCP/IP, DNS, DHCP, HTTP/S, SNMP, NTP, etc.) What you’ll gain: Here at OpticoreIT we believe in investing in our team as we understand that we are only as great as our More ❯
mapping, and XML standards (VICS, EDIFACT) and associated communication protocols. Opentext EDI platform experience preferred Knowledge of various network and internet technologies and communication protocols: TCP/IP, FTP, HTTP, AS2, etc. Exposure to and basic understanding of relational databases. Knowledge of the processes, practices and terminology of the following vertical areas: Retail, Manufacturing, Logistics, etc. Experience with UNIX/ More ❯
advantage) Knowledge of defining infrastructure as code, ideally with Terraform Experienced with a modern programming language such as Go or Python Ability to diagnose problems at any level (Client, HTTP/Network, Server, Database, OS) Experience of agile development practices and working in sprints Knowledge of designing PCI-compliant infrastructure will be abonus Experience of working in a fast-paced More ❯