Hamilton Barnes

Packet Core Engineer - 12 Months - Remote You'll take ownership of onboarding and validating cloud-native Packet Core functions, ensuring high performance across a modern 5G environment. You'll be the subject matter expert driving configuration strategy, automation alignment, and end-to-end functional testing. You'll join a long-term programme where your expertise directly influences delivery quality, cloud-native maturity, and engineering capability. Responsibilities: Lead onboarding. configuration. validation of CMM and CMG CNFs on VMware TCA Analyse CNF behaviour and define configuration strategies Execute E2E testing. functional validation. troubleshooting Support automation workflows including Python-based deployments Drive best practices. continuous improvement. mentoring of engineering teams Skills/Must have: 8+ years in EPC/5GC Packet Core Hands-on deployment experience with CMM and CMG CNFs Strong understanding of values.yaml for containerised deployments Day0/Day1 config expertise for cloud-native CMM/CMG Experience configuring via Netconf/MD-CLI Strong packet capture experience using Wireshark/TShark Prior CNF onboarding experience on VMware TCA Familiarity with Python automation and common CI/CD. config management. test automation tools Contract Details: Duration: 12 Months Location: Remote Day Rate: £400 Per Day - £500 Per Day (Inside IR35) Start Date: ASAP Packet Core Engineer - 12 Months - Remote

Akamai Security Engineer (L3 SME) - 6 Month Contract - Hybrid (Farringdon) - Inside IR35 This role sits within the Cyber Security function and is responsible for managing, optimising and securing enterprise-scale Akamai environments. The successful candidate will operate as a Level 3 SME within a high-pressure Cyber Defence environment, ensuring performance, resilience and security across critical digital platforms. You will play a key role in protecting large-scale systems from advanced threats, optimising CDN performance, and ensuring compliance across both cloud and on-prem environments. Key Responsibilities Manage and optimise Akamai security suites including: WAF L7 Anti-DDoS Bot Manager Premier API Security Site Shield API Acceleration Implement advanced blocking measures and bot-attack prevention strategies to secure large-scale production systems. Ensure PCI compliance and maintain secure configurations across hybrid cloud and on-prem infrastructure. Configure and optimise Akamai CDN for performance, scalability and reliability. Set up application and web transaction monitoring, including customised reporting and alerting. Integrate automation tooling such as Terraform and CI/CD pipelines into Akamai deployments. Act as L3 SME for Akamai-related incidents within Cyber Defence Centres (CDCs). Lead service recovery during outages and ensure SLA/OLA adherence in high-stakes environments. Conduct deep technical troubleshooting, root cause analysis (RCA), and performance tuning across Akamai CDN services. Support transition of Akamai services from incumbent providers where required. Produce clear documentation, reporting and knowledge transfer materials. What You Will Ideally Bring 7+ years of Cybersecurity experience. 3+ years operating as an Akamai SME/L3 Engineer. Strong background in: Network Security Content Delivery Networks (CDN) Anti-DDoS Web Application Firewalls (WAF) Bot Management Hands-on experience managing and optimising enterprise Akamai environments. Akamai certifications (WAF, DDoS, Bot Manager, API Protector, Site Shield) highly desirable. Proven ability to work independently with minimal supervision in high-pressure environments. Strong stakeholder communication and collaboration skills. Experience working within structured incident and governance frameworks. Contract Details Duration: 6 months Rate: £500 per day IR35 Status: Inside IR35 Location: Hybrid - Farringdon Start Date: ASAP

GCP Network Engineer - 6 Month Contract - Hybrid (Manchester) We are seeking an experienced Senior GCP Network Engineer to design, implement, and support enterprise-grade network solutions with a strong focus on Google Cloud Platform (GCP). This role will act as the organisation's GCP networking subject-matter expert, guiding and upskilling existing engineers who are primarily experienced in Azure and AWS, while ensuring secure, scalable, and highly available connectivity across hybrid and multi-cloud environments. Key Responsibilities Design, implement, and operate GCP networking architectures, including VPC design, hybrid connectivity, and secure interconnects. Act as the technical authority for GCP networking, providing design guidance and peer reviews to the wider network team. Design and manage VPCs, subnets, routing, and Firewall rule & Cloud VPN (HA VPN) deployments What You Will Ideally Bring GCP VPC architecture and design, Shared VPC and VPC peering,HA VPN implementations CCNP (Enterprise, Data Center, Service Provider) or equivalent experience. Strong knowledge of: TCP/IP, BGP, OSPF, Routing and switching concepts, Network security principles Contract Details Duration: 6 months (with potential extension) Day Rate: ~£550-585 per day (Inside IR35) Location: Manchester - Hybrid Start Date: ASAP

Azure Logic App Specialist - 6 months - Remote - Outside IR35 We are seeking a dedicated Azure Logic App Specialist for a 6-month contract to work directly with a key customer. This role involves designing and developing a series of playbooks, providing expert-level support and development of Azure Logic Apps in a fully remote capacity. Key Responsibilities: Design, develop, and maintain Azure Logic Apps workflows and playbooks. Utilize connectors effectively to integrate various services within Logic Apps. Implement error handling, monitoring, and best practices to ensure resilient cloud integrations. Act as the primary subject matter expert (SME) on Azure Logic Apps for the customer. Collaborate closely with the customer to deliver tailored Logic App solutions. Provide continuous support and troubleshooting for Logic App implementations. What You Will Ideally Bring: Deep hands-on experience with Azure Logic Apps and related connectors. Strong understanding of workflow design, error handling, and monitoring within Logic Apps. Proven ability to deliver resilient and scalable cloud integration solutions. Experience acting as a subject matter expert and trusted advisor on Azure Logic Apps. Excellent communication skills and ability to work closely with customers remotely. Strong problem-solving and analytical abilities. Contract Details: Duration: 6 months Location: Remote Day Rate: Up to £500 per day (Outside IR35) Azure Logic App Specialist - 6 months - Remote - Outside IR35

Infrastructure Solution Architect - Outside IR35 - DV Cleared Overview My close client is looking for a DV Cleared Solution Architect with strong technical and security expertise to design and deliver solutions across Windows, Linux, and application environments. You'll be responsible for producing low-level designs, guiding delivery teams, and ensuring security standards are met. Contract Details: Duration: 6 months (Long term program) Day Rate: Competitive - Outside IR35 Location: Farnborough/Bristol Start Date: ASAP Responsibilities Design and document secure solutions (HLD/LLD). Provide expertise in application development and solution integration. Lead design and deployment of PAM, antivirus, and endpoint security. Support stakeholders with technical guidance and security compliance. Leverage knowledge of Active Director and SAND in architectural designs. Requirements Active DV Clearance (mandatory). Proven experience as a Solution Architect in secure environments. Strong knowledge of Windows & Linux platforms. Background in application development. Hands-on experience with PAM, antivirus, endpoint protection. Experience producing low-level design documentation. Knowledge of Active Director and SAND technologies. Infrastructure Solution Architect - Outside IR35 - DV Cleared

Palo Alto Engineer - 3-Month Contract - Central London - Outside IR35 We are looking for a Palo Alto Engineer to join a global organisation on an initial 3-month contract, working 2-3 days per week onsite in Central London. You'll play a key role in high-impact implementation projects, leading the migration from Legacy Cisco and Palo Alto platforms to the latest next-generation technologies. Key Skills: Strong background in Cisco and Juniper Routing and Switching (R&S) Expert knowledge of Network Security technologies - Cisco ASA, FirePOWER and Palo Alto (Panorama) Experience in configuring Switches and VLANs Excellent communication skills with the ability to work closely with customers Contract Details: Duration: 3 months Location: Hybrid (2-3 days per week Central London) Day Rate: Up to £350 per day (Outside IR35) Palo Alto Engineer - 3-Month Contract - Central London - Outside IR35

Network Consulting Engineer - 6 months - MUST BE BASED IN SCOTLAND Overview My client is looking for an experienced Network Consultant to take the lead on end-to-end project delivery, provide expert technical support, and act as a trusted advisor to clients. This is a hands-on role that combines design, implementation, troubleshooting, and mentoring, with responsibility for driving successful project outcomes and resolving complex technical challenges. Contract Details: Duration: 6 months (Long term program) Day Rate: Outside IR35 Location: Glasgow/Aberdeen/Edinburgh - Hybrid Start Date: ASAP Responsibilities Lead projects through the full life cycle, from design to implementation. Own and resolve technical issues, ensuring root cause analysis and long-term fixes. Deliver engineering services, including low-level design, implementation, and consultancy. Serve as an escalation point for advanced network and security incidents. Troubleshoot and resolve complex network and security problems quickly and effectively Requirements Strong experience in network and security engineering roles. Proven Cisco experience Proven ability to design, implement, and support complex solutions. Skilled in troubleshooting and resolving advanced technical issues. Background in delivering consultancy and project-based services. Excellent communication skills, with the ability to mentor and support others. Network Consulting Engineer - 6 months - MUST BE BASED IN SCOTLAND

Corporate Real Estate Solutions Architect - 6 Month Contract - London (1 Day P/W) - Inside IR35 Hamilton Barnes I'm currently representing a large financial firm who are looking for a Corporate Real Estate Solutions Architect on an initial 6 month contract with a view to extension. Key Requirements & Responsibilities: Collaborate with stakeholders to understand business strategy and create architecture roadmaps. Strong technical background across IT domains: infrastructure and application architecture, systems integration, workflow, data management, etc. Proficient in Enterprise Architecture, linking it to business strategy and roadmaps. Familiarity with Cloud solutions (AWS, Google GCP, Azure) and strategic partners. Direct experience translating strategies into roadmaps with business stakeholders. Domain knowledge in Corporate Real Estate Technology (IWMS). Exposure to data and business architecture. Contract Details: Duration - 6 months Location - London/Sheffield (1 Day Per Week Onsite) Determination - Inside IR35 Start Date - ASAP Please reach out if you are currently looking for your next contract role! If you are currently looking for a new role that matches this description, then please email me on (see below) with an updated version of your CV.

DevSecOps Engineer | 6 months | UK Remote One of my consultancy clients are looking for a DevSecOps Engineer for an initial 6 month contract with one of their financial customers. Key Skills/Responsibilities: Expertise in providing product support and implement bug fixes provided by the product vendor. Experience with System Monitoring Tools and Experience with Scripting Building and setting up new Development Tools and Provision secure Infrastructure Good Experience with DevSecOps and exposure to tools like Aquasec and Nexus Iq Any Hashicorp Vault, Aquasec, SonarQube is highly desired Google Cloud Experience Contract Details: Start Date: ASAP Duration: 6 months Location: Main Office is London (Remote working) Pay Rate: £550 per day (Inside IR35)