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Hamilton Barnes

Hamilton Barnes

www.hamilton-barnes.com

19 Jobs

96 Employees

About the Company

Founded in 2014 and with over 25 years of recruitment experience, we are committed to providing exceptional service to all our clients to help them secure the best talent and opportunities in the market. We provide a consultative and customer-focused recruitment solution, where customer service is paramount to the experience, specialising in recruitment in:

Enterprise & Wireless Networks:
Cisco Systems, Juniper Networks, Aruba Networks & Arista Networks

Network Automation:
Cisco DevNet, Python, Ansible, Terraform & Nornir

Network Security:
Palto Alto, Fortinet, F5, Infoblox, Checkpoint, ZScaler & Cisco Security

SD-WAN, IP Networks & Transmission Networks:
Nokia, Juniper Networks, Cisco Systems, Huawei, Ciena, Adtran, ADVA &
Infinera

Financial Networks:
Exchange Connectivity, Market Data (Multicast), Low Latency Trading
Infrastructure, Enterprise Financial Networks.

Radio Frequency Networks:
Satellite and Radio (VSAT, Radio Frequency & Microwave), Mobile Networks
(2G-5G, LTE & VoLTE).

Fibre Networks:
FTTX Installations, Network Build, Fibre Planning, Project Management,
Civils & Streetworks.

Project Management & Program Management:
Project Co-ordination, PMO Analyst, PMO Lead, Business Analyst, Project
Manager & Programme Manager

Service Delivery Management:
Service Delivery Manager, Service Delivery Co-ordinator, Service Transition,
Service Manager & Service Architect

Cyber Security:
SIEM/SOC, Endpoint Protection, Information Security, Anti virus, Cloud
Security & Red Team

Security Cleared Professionals:
SC Cleared, DV Cleared, CTC Cleared & NATO Cleared, SC & DV Cleared
Professional

We are proud to have developed long-term relationships with our clients.

Our goal is to become the recognised leader globally for Permanent and Contract recruitment solutions in our niche.

Listed Jobs

Company background Company brand
Company Name
Hamilton Barnes
Job Title
GIS Architect - 6-Month Contract - Hybrid (Wokingham)
Job Description
**Job Title:** GIS Architect – 6‑Month Contract (Hybrid) **Role Summary:** Lead the design, implementation, and migration of a cloud‑based enterprise GIS platform on Microsoft Azure. Define architecture standards, ensure security and performance, and enable geospatial analytics to support strategic decision‑making within a legacy‑to‑cloud transformation programme. **Expectations:** - Deliver a scalable, secure GIS architecture aligned with business objectives. - Successfully migrate spatial data from legacy systems (e.g., Intergraph, Smallworld) with minimal disruption. - Establish data‑governance frameworks and support agile delivery across development, testing, and production environments. - Communicate effectively with senior stakeholders and guide cross‑functional technical teams. **Key Responsibilities:** - Define GIS architecture principles, technology stack, and integration patterns. - Design and provision Azure environments (Sandbox, Development, UAT, Production). - Oversee migration of legacy GIS data and functionalities, preserving data integrity and historical insight. - Implement data governance, metadata standards, symbology conventions, and quality controls. - Enable spatial analytics, modelling, visualisation, and dashboard capabilities. - Conduct discovery workshops, validate use cases, and produce technical documentation. - Support agile iterations, provide training, and transition solutions to production. **Required Skills:** - Extensive experience as GIS/Geospatial Architect or Solution Architect with a GIS focus. - Proven delivery of enterprise GIS platforms, preferably on Azure. - Strong Azure DevOps knowledge (CI/CD, IaC, monitoring). - Proficiency with ESRI ArcGIS, QGIS, GeoServer, FME, and related GIS tools. - Hands‑on experience migrating/interoperating legacy GIS (Intergraph, Smallworld). - Deep understanding of geospatial data governance, standards (ISO 19115, OGC), and quality management. - Ability to lead senior stakeholder engagements and cross‑functional teams. - Agile methodology experience. **Required Education & Certifications:** - Bachelor’s degree in Geography, GIS, Computer Science, Engineering, or related field (or equivalent experience). - Relevant GIS certifications (e.g., ESRI ArcGIS Desktop/Enterprise, GISP). - Azure certifications (e.g., AZ‑900, AZ‑204, AZ‑303/304) preferred.
Wokingham, United kingdom
On site
18-12-2025
Company background Company brand
Company Name
Hamilton Barnes
Job Title
SC Cleared Splunk Engineer - 3-Month Contract - Fully Remote
Job Description
Job title SC Cleared Splunk Engineer – 3‑Month Contract – Fully Remote Role Summary A security‑cleared Splunk Engineer responsible for full lifecycle management of the Splunk platform (Enterprise or Cloud). Deliver architecture design, deployment, optimisation, and operational support for security monitoring, SOC analytics, and operational intelligence within a secure environment. Expectations - Provide expert hands‑on engineering and operational support for Splunk deployments. - Deliver measurable performance and detection improvements in a 3‑month engagement, with potential extension. - Maintain strict adherence to security policies and SC‑clearance requirements. Key Responsibilities - Design, build, and maintain Splunk infrastructure (indexers, search heads, forwarders, deployment servers). - Onboard, normalise, and optimise diverse log sources (security tools, OS logs, network devices, cloud platforms). - Develop, maintain, and refine Splunk dashboards, reports, and alerts for SOC and ops teams. - Tune searches, alerts, and data models to improve performance, reduce noise, and enhance detection capability. - Support incident investigation and root‑cause analysis with Splunk analytics. - Ensure platform scalability, reliability, and performance aligned with secure environment standards. - Collaborate closely with security, engineering, and operations stakeholders to implement enhancements. Required Skills - Active SC clearance (mandatory). - Extensive hands‑on experience as a Splunk Engineer. - Proven management of Splunk Enterprise or Splunk Cloud environments. - Deep knowledge of SPL, data models, and performance optimisation techniques. - Experience onboarding varied log sources (security tools, OS logs, network, cloud). - Understanding of security monitoring use cases and SOC operations. - Scripting/automation proficiency (Python or Bash preferred). - Strong analytical, problem‑solving, and communication skills. Required Education & Certifications - Relevant IT or cybersecurity degree or equivalent experience. - Splunk Certified Enterprise Search Head User and Splunk Certified Admin are highly desirable. - Additional security certifications (e.g., GCIH, GCIH, CISSP) beneficial but not mandatory.
London, United kingdom
On site
05-01-2026
Company background Company brand
Company Name
Hamilton Barnes
Job Title
Network Engineer - 6 months - Coventry
Job Description
**Job Title:** Network Engineer (6‑month contract) **Role Summary:** Provide administration, support, and troubleshooting for a mission‑critical, high‑availability enterprise network spanning LAN, WAN, wireless, and security domains. Collaborate with internal stakeholders and external vendors to deliver network upgrades, capacity planning, and documentation for a large‑scale environment. **Expectations:** - 4–5+ years delivering network projects in live customer environments, preferably involving refresh/upgrade programs. - Proven ability to create High‑Level Designs (HLDs) and Low‑Level Designs (LLDs) with architectural diagrams. - Strong analytical and problem‑solving skills; able to isolate and resolve network issues quickly. - Effective communication with stakeholders, vendors, and team members. **Key Responsibilities:** - Administer and support enterprise LAN, WAN, wireless, and security infrastructure. - Diagnose and troubleshoot complex network problems across Cisco and third‑party platforms. - Produce and maintain technical documentation, including configurations, builds, and design diagrams. - Gather detailed requirements from internal customers and translate them into network solutions. - Coordinate with third‑party vendors (cabling providers, ISPs) for service delivery and issue resolution. - Model, analyze, and plan network capacity and performance. - Install, upgrade, and configure network hardware and software (routers, switches, firewalls, load balancers, wireless controllers). - Perform packet capture and analysis using tools such as Wireshark or SolarWinds. **Required Skills:** - LAN/WAN design and implementation expertise; Cisco Nexus (1000v‑9000), Cisco 3900/3800 routers, Cisco 3700/3500/2900 switches. - Hands‑on experience with firewalls and security tech: Cisco ASA, Palo Alto, Check Point, Pulse Secure SSL VPN, VMware NSX. - Knowledge of authentication protocols: SAML, SSO, LDAP, Active Directory. - Proficiency with IPsec, GRE, HTTP/HTTPS, DNS, proxy, SSL/TLS. - Familiarity with F5 BIG‑IP load balancers and wireless technologies (WLCs, APs). - Ability to produce diagrams in Microsoft Visio. - Experience with packet capture/analysis tools (Wireshark/Ethereal, SolarWinds or equivalents). **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or related field **or** equivalent professional experience. - Preferred certifications: Cisco CCNA/CCNP, Cisco Certified Network Professional (CCNP) Data Center, Cisco Certified Network Professional (CCNP) Security, Palo Alto Networks PCNSE, Check Point CCSA/CCSE, or comparable vendor certifications.
Coventry, United kingdom
On site
06-01-2026
Company background Company brand
Company Name
Hamilton Barnes
Job Title
Aruba Network Engineer - 12 Months - Dublin - Outside IR35
Job Description
**Job Title** Aruba Network Engineer – 12‑Month Contract **Role Summary** Senior on‑site network engineer responsible for designing, deploying, and transitioning enterprise‑scale network solutions centered on Aruba technologies. Works closely with stakeholders, vendors, and operational teams to deliver high‑quality, change‑managed implementations on schedule. **Expectations** - Deliver expert network solutions that meet or exceed internal and customer standards. - Manage multiple concurrent projects, ensuring timely hand‑off to operational support. - Provide advanced technical support, troubleshooting, and escalation for accountable networks and services. - Maintain rigorous change management, documentation, and root‑cause analysis. - Participate in on‑call rotations and provide training to internal teams and customers. **Key Responsibilities** - Review and approve technical solutions with internal and customer stakeholders. - Produce detailed low‑level designs and implementation guides aligned with best‑practice standards. - Build, configure, and stage network environments for headquarters, branches, and distribution sites. - Implement and support network upgrades, deployments, and go‑lives, including occasional out‑of‑hours work. - Ensure deployments follow change‑management procedures to minimize service impact. - Conduct peer reviews of pre‑sales technical proposals for deployment feasibility. - Integrate network management, monitoring, and capacity‑planning into designs. - Provide advanced troubleshooting and technical escalation support for all accountable networks and services. - Collaborate with vendors to resolve complex hardware/software issues. - Contribute to problem resolution and produce root‑cause analysis documentation. - Participate in an on‑call rota when required. - Deliver systems and product training to internal teams and customers. - Work cross‑functionally to support major incident resolution. - Communicate clearly to both technical and non‑technical audiences and influence continuous improvement across processes and standards. **Required Skills** - 4+ years engineering experience in large, complex environments. - Proven ability to deliver customer solutions on schedule. - Strong WAN/LAN design skills with routing/switching protocol expertise. - Extensive hands‑on experience with Aruba technologies (Wireless, ClearPass, ACMP). - Experience with Aruba AirWave or Aruba Central is highly desirable. - Ability to manage multiple stakeholders and concurrent projects. - Excellent analytical, problem‑solving, and decision‑making abilities. - Strong written and verbal customer‑facing communication skills. - Adaptability to quickly master new technologies. - Knowledge of firewall technologies (Cisco ASA, Palo Alto) is a plus. **Required Education & Certifications** - Aruba ACMP certification – preferred (not mandatory). - Cisco CCNP or higher – preferred. - Aruba ACSP or HP Master ASE – desirable. ---
Dublin, United kingdom
On site
Junior
06-01-2026