Hamilton Barnes

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 Name

Hamilton Barnes

Job Title

Penetration Tester - 6 months - Inside IR35 - Hybrid

Job Description

Penetration Tester - 6 months - Inside IR35 - Hybrid
We are looking for a skilled Penetration Tester to lead security assessments, ethical hacking, and OSINT analysis to identify vulnerabilities and strengthen defenses. You will conduct penetration testing, collaborate with clients on security needs, and provide actionable recommendations. This role offers a hybrid working model on a 6-month contract with potential extensions.
Key Responsibilities:
Perform threat modelling, vulnerability assessments, and ethical hacking on networks, operating systems, and web applications to evaluate security defenses.
Develop and execute innovative penetration testing techniques to simulate cyber threats, assess system weaknesses, and provide actionable recommendations.
Gather and analyse Open-Source Intelligence (OSINT) to identify potential security risks, leaks, and vulnerabilities, supporting proactive security measures.
Identify security gaps related to human error and system vulnerabilities, providing guidance on best practices to enhance cybersecurity resilience.
What you Will Ideally Bring:
Proficiency in penetration testing tools (eg, Metasploit, Burp Suite, Kali Linux) and ethical hacking methodologies.
Experience in gathering intelligence from open sources and leveraging it for risk assessment and security improvement.
Ability to identify security vulnerabilities, assess risks, and develop effective mitigation strategies.
Contract Details:
Duration: 6 months
Location: Hybrid/3 days a week in Wokingham
Day Rate: Up to £500 per day - (Inside IR35)
Penetration Tester - 6 months - Inside IR35 - Hybrid

Hybridreading, United Kingdom

Hybrid

03-03-2025

Company Name

Hamilton Barnes

Job Title

Voice Engineer (x3) - 6 Month Contract - Inside IR35

Job Description

Voice Engineer (x3) - 6 Month Contract - Inside IR35
My client is looking for multiple Voice Engineers for an initial 6-month contract. The role involves a mix of project deployments and operational support, requiring strong expertise in Cisco Unified Communications (UC) technologies.

Key Details:

Duration: 6 months - Extension Scope
Daily Rate: £400- £450 Per Day (Flexible)
Determination: Inside IR35
Location: 5 Days a week on site - Heathrow
Key Responsibilities:
Design & configure Cisco UC solutions including CUCM, Unity, and UCCX.
Deploy & optimize SIP trunks, H.323 gateways, MGCP, and QoS policies.
Oversee system migrations & upgrades, ensuring minimal disruption.
Troubleshoot & resolve call routing, voicemail, and contact center issues.
Collaborate with network & security teams to prioritize voice traffic.
Required skills and experience:
Strong hands-on experience with CUCM, Unity, and UCCX.
Expertise in SIP trunking, H.323, MGCP, and SRST.
Solid knowledge of VoIP protocols, call signalling, and troubleshooting.
Understanding of QoS, voice VLANs, and network integration.
We're conducting interviews ASAP, so please respond with your updated CV ASAP if interested!
We also offer a fee for any successful referrals!
Voice Engineer (x3) - 6 Month Contract - Inside IR35

Heathrow, United Kingdom

On site

03-03-2025

Company Name

Hamilton Barnes

Job Title

SCADA Tester - 6 Month Contract - Hybrid - Inside IR35

Job Description

SCADA Tester - 6 Month Contract - Hybrid - Inside IR35
We are seeking a skilled SCADA Tester to join a leading utilities company on a 6-month contract, with a strong potential for extension beyond 12 months. This role offers a hybrid working model, combining remote flexibility with 2 days per week onsite at an office in Warwick (does have potential to move to full time on site).
As a SCADA Tester, you will be a key player in ensuring the reliability and functionality of SCADA systems, focusing on OSII Monarch. You will collaborate with cross-functional teams to identify, test, and resolve issues, contributing to the success of critical projects in a dynamic environment.
Key Responsibilities:
Conduct testing to validate the successful transition between Legacy systems and the SCADA environment.
Develop and execute test plans, scripts, and scenarios to validate system performance.
Identify, log, and manage risks and issues arising during the testing life cycle in your area of responsibility.
Liaise with cross-functional teams, including developers, engineers, and project leads, to ensure comprehensive test coverage
Lead defect triage for your ART Team ensuring the right stakeholders are engaged.
What you Will Ideally Bring:
Previous project experience with Power utility Transmission networks, functional testing, communication testing, and performance testing.
Exposure to OSI Monarch Testing Utilities, previous experience of SCADA and Reat-Time Control and NMS (Network Monitoring Systems).
Familiarity with industry standards and regulations related to power systems and control systems engineering (eg, IEC101, IEC104, GI74, IEC 61850, IEEE standards.
Monitor and report on the progress of test preparation and execution of JIRA/XRAY Tests.
Contract Details:
Duration: 6 months (Strong View for Extension)
Location: Warwick 2x Per Week (Scope to move to 5x on-site)
Day Rate: Up to £500 Per Day (Inside IR35)
Start Date: ASAP
SCADA Tester - 6 Month Contract - Hybrid - Inside IR35

Warwick 2X Per Week, United Kingdom

Remote

04-03-2025

Company Name

Hamilton Barnes

Job Title

Level 2 Network Engineer - 6-Month Contract - Heathrow

Job Description

Level 2 Network Engineer - 6-Month Contract - Heathrow

We are seeking a Level 2 Network Engineer to join our team on a 6-month on-site contract at Heathrow. This role is ideal for a hands-on engineer with strong troubleshooting and operational experience, particularly with Juniper routing and switching (EX/MX) and Checkpoint Firewalls.
Key Responsibilities:
Network Operations & Support:
Provide day-to-day operational support for enterprise network infrastructure.
Monitor network performance and proactively identify potential issues before they impact business operations.
Troubleshoot network connectivity, routing, and switching issues across a large-scale environment.
Respond to and resolve incidents, service requests, and change requests in accordance with SLAs.
Troubleshooting & Maintenance:
Conduct root cause analysis (RCA) for recurring network issues and implement permanent fixes.
Perform firmware upgrades, patches, and software updates for Juniper EX/MX Switches and Checkpoint Firewalls.
Collaborate with Level 3 engineers and consultants on escalated issues requiring advanced expertise.
Security & Firewall Management:
Support the configuration and troubleshooting of Checkpoint Firewalls, including policy changes and security rule implementations.
Assist with Firewall monitoring and intrusion detection, ensuring compliance with security best practices.
Documentation & Process Improvement:
Maintain accurate network documentation, topology diagrams, and configuration records.
Suggest and implement process improvements to enhance network reliability and efficiency.
Ensure compliance with change management and incident resolution procedures.
Required Skills & Experience:
Routing & Switching: Hands-on experience with Juniper EX/MX series Switches and Routers.
Firewalls: Experience with Checkpoint Firewall administration and troubleshooting.
Network Protocols: Strong understanding of BGP, OSPF, VLANs, STP, VRRP, and IPsec VPNs.
Monitoring & Analysis: Familiarity with network monitoring tools such as SolarWinds, PRTG, or Juniper Network Analytics.
Security Best Practices: Knowledge of Firewall rules, ACLs, NAT, and VPN configurations.
Ability to work independently while collaborating with cross-functional IT teams.
Certifications (Required/Preferred):
CCNA (Cisco Certified Network Associate) - Required
JNCIA (Juniper Networks Certified Associate) - Preferred
Contract Details:
Start Date: ASAP
Duration: 6 months
Determination: Inside IR35
Location: Heathrow (On-site, 5 days a week)
Day Rate: £300PD - £340PD
Level 2 Network Engineer - 6-Month Contract - Heathrow

Heathrow, United Kingdom

On site

03-03-2025