Freelance Information Technology Network Engineer
On site
Plymouth, United Kingdom
Freelance
17-03-2025
Job Specifications
The ideal candidate will be responsible for maintaining and intermittently improving our current network configuration and infrastructure. You will design our revamped network infrastructure with the goal of maximizing our network performance. You will also provide troubleshooting and configuration support by using your strong technical skills in Linux and Windows environments and IP networking.
Responsibilities
Maintain, implement, and troubleshoot networks
Design and support our network systems and infrastructure
Configure and operate routers and switches
Monitor network performance and make recommendations based on performance analysis
Qualifications
Bachelor's degree in computer science or related area
2 - 4 years of experience with network administration in a Linux or Windows environment
Knowledge of IP networking fundamentals
About the Company
Chase IT Global stands as your premier partner, offering an extensive range of IT, network, digital, and accounting services that can transform your business. In today's interconnected world, global reach is paramount, and we excel in providing unparalleled services to meet the diverse needs of businesses worldwide. We excel in digital solutions, encompassing SEO, digital marketing, content creation, web development, Ecommerce Management and Development and graphic design, guiding you from project inception to completion. ... Know more
Related Jobs
- Company Name
- Lakarya
- Job Title
- L2 & L3 -Network Engineer (Cisco/ Juniper/ Check point)-Hounslow,UK
- Job Description
- Job Description: We are seeking an experienced L3 Network Engineer with a strong background in Checkpoint firewalls, F5 load balancers, Proxy servers, and network security tools to join our team. This position is responsible for managing, optimizing, and securing the network infrastructure, ensuring high availability, scalability, and the implementation of robust security policies. The ideal candidate will possess deep knowledge of advanced network troubleshooting, security best practices, and extensive experience with complex network environments. Key Responsibilities: Network Design, Implementation & Support: Lead the design, deployment, and optimization of Layer 2 and Layer 3 network infrastructures. Oversee the configuration and troubleshooting of Checkpoint firewalls, F5 load balancers, proxy servers, and other security tools. Checkpoint Firewall Management & Troubleshooting: Configure, manage, and troubleshoot Checkpoint firewall appliances and security policies. Ensure the network is protected by creating, testing, and maintaining firewall rules, NAT configurations, VPNs, and access control lists. F5 Load Balancer Optimization & Management: Configure and maintain F5 load balancers to optimize application performance, availability, and scalability. Implement advanced load balancing features such as SSL offloading, health monitoring, and traffic distribution for high availability. Proxy Server Administration & Security Tools Management: Administer proxy servers for web filtering, authentication, and security. Implement security tools like IDS/IPS, antivirus software, DDoS protection, and VPN solutions to enhance network defense. Advanced Troubleshooting & Incident Resolution: Provide expert-level support for network incidents and outages. Troubleshoot complex issues with network performance, security policies, VPN configurations, and load balancing. Resolve network failures and security breaches in a timely manner. Network Security & Policy Implementation: Develop, implement, and enforce network security policies to protect the organization’s infrastructure from internal and external threats. Work closely with cybersecurity teams to identify vulnerabilities and recommend improvements. Network Monitoring & Reporting: Use network monitoring tools to track and report on network performance, uptime, and security. Generate and analyze performance reports to ensure the network infrastructure is optimized and aligned with business requirements. Automation & Scripting: Develop automation scripts to streamline network configurations, deployments, and troubleshooting procedures. Leverage tools like Ansible, Python, or similar automation platforms to optimize network security and performance. Documentation & Best Practices: Maintain accurate and up-to-date documentation for network configurations, troubleshooting procedures, security policies, and incident reports. Share best practices and guidelines with team members to enhance efficiency and consistency. Collaboration & Mentorship: Collaborate with network engineers, security specialists, and IT teams to deliver end-to-end solutions for network infrastructure and security. Mentor junior engineers, providing guidance on network design, security, and troubleshooting. Required Qualifications: Experience: Minimum 5-7 years of experience in network engineering and security, including 3+ years of hands-on experience with Checkpoint firewalls, F5 load balancers, proxy servers, and other security tools. Extensive experience with Layer 2/Layer 3 networking, routing protocols (OSPF, BGP), and network infrastructure design. Technical Skills: Deep expertise in Checkpoint firewall management (including policy management, VPN configuration, and advanced troubleshooting). Proficient with F5 load balancer configuration, management, and troubleshooting (including SSL offloading, health checks, and advanced traffic management). Strong understanding of proxy server configurations, web filtering, and security tools like IDS/IPS, antivirus, and VPNs. Advanced knowledge of network protocols, security best practices, and the ability to manage network performance and security tools. Experience in network automation using tools like Ansible, Python, or other scripting platforms. Certifications: Checkpoint Certified Security Expert (CCSE) or equivalent certification is a must. F5 Certified Technical Specialist (F5-CTS) or equivalent is highly desirable. Additional certifications such as CCNP Security, CompTIA Security+, Certified Information Systems Security Professional (CISSP), or Certified Ethical Hacker (CEH) are beneficial. Soft Skills: Strong analytical and problem-solving skills with the ability to troubleshoot complex network and security issues. Excellent written and verbal communication skills, with the ability to document network configurations, processes, and security policies clearly. Ability to prioritize and manage multiple tasks effectively in a dynamic environment. Tools & Technologies: Familiarity with network monitoring and diagnostic tools (e.g., SolarWinds, Wireshark, Nagios, PRTG). Experience working with cloud environments (e.g., AWS, Azure) and cloud security solutions is a plus.
Hounslow, United Kingdom
On site
Freelance
19-03-2025
- Company Name
- Infoplus Technologies UK Limited
- Job Title
- Security Test Lead
- Job Description
- Greetings ! About Us: Infoplus Technologies UK Ltd, established in 2000, pioneers forward-thinking IT solutions in products, services, staffing, and digital transformation. Headquartered In Borehamwood, UK, we embrace Quality, Innovation, and Customer Empathy, offering a unique performance-pricing model to meet evolving digital needs. We are seeking a highly skilled and experienced Senior Security Test Lead to join our team. The ideal candidate will have 6 to 8 years of experience in the information security domain as below Experience in the following types of Security Testing: - Security Analysis and Consulting - Static Application Security Testing (SAST) - Dynamic Application Security Testing (DAST) - Infrastructure Vulnerability Assessment - Mobile Application Penetration testing - Penetration Test defect retesting (pen testing is run by external third parties so this role will not be expected to conduct PEN testing) Knowledge of OWASP top 10 and demonstrable knowledge of various security tooling Role: Working with the Company’s InfoSec and SecOps teams and follow their guidance to: 1. Roll out the Security Assurance Strategy defined by the Company 2. Assist development and test team in embedding practises and configuring tools 3. Knowledge of Tenable or equivalent desirable 4. Knowledge of Prism or a vulnerability management tool desirable Note: No Sponsorship will be Provided Please share your cv to siva.s@infoplusltd.co.uk #Security #Tes #SAST #DAST #infrastructure #Vulnerabilityassessment #Penetrationtesting #Penetrationtest#Pentest #Pentesting #OWASP
Basingstoke, United Kingdom
Hybrid
Freelance
19-03-2025
- Company Name
- MarkJames Search
- Job Title
- Cyber Security Program Lead – Payments
- Job Description
- Job Title: Cyber Security Program Lead – Payments Location: Amsterdam, NL or London, UK Contract: 8-9 months (option to extend) Pay Rate: €500-€£700 per day About the Role We are seeking a Cyber Security Program Lead to drive and enhance the cybersecurity and operational resilience framework for regulated payments entities. You will lead technology and security programs, manage risk exposure, and ensure compliance with regulatory requirements (e.g., PSD2, DORA/ORA). This role involves collaborating with internal teams to strengthen security processes, conduct scenario exercises, and improve business continuity measures. Key Responsibilities Manage and maintain the cybersecurity framework for regulated payments entities. Oversee risk exposure, remediation, and compliance with operational resilience regulations. Lead business continuity planning, testing, and reporting. Collaborate with legal, security, and business teams to align on security strategies. Provide training and briefings to stakeholders and leadership. What You’ll Need 6+ years in IT Risk Management, Information Security, or IT Audit in financial/tech sectors. 3+ years in Information Security (CISSP, CISM preferred). Strong understanding of security frameworks (ISO 27001, NIST CSF, SOC2) and regulatory requirements (PSD2, DORA/ORA). Expertise in IT security technologies, network protocols, and cloud security. Excellent communication and stakeholder management skills. Solution-oriented, proactive, and adaptable in dynamic environments. Apply now to play a key role in securing and enhancing our clients payments infrastructure!
London, United Kingdom
Hybrid
Freelance
19-03-2025
- Company Name
- Sanderson
- Job Title
- Senior Wireless Network Engineer - London
- Job Description
- Sanderson is working in partnership with a leading global provider of ICT Services for the large enterprise and public sector markets. We have a contract opportunity for a Senior Wireless Network Engineer based in the London area of UK. Senior Wireless Network Engineer Contract 6 -9 Months initially with possible extension and opportunity to get a Perm position. Hourly rate: £70 per hour (Inside IR35) Contracting entity - Umbrella only Role Overview: Team is seeking a Senior Wireless Network Engineer to assist in the complex environment with Wi-Fi practice. As a member of the technical delivery team, the candidate will be responsible for working on all aspects of the Wi-Fi solution - including, but not limited to - venue design, Access Point/Controller testing and configuration, documentation, operational support, device certification, technical evaluation, RF surveys, optimisation and tuning and event day testing of venue Wi-Fi solution. The candidate will need a deep understanding of the latest 802.11 Wi-Fi standards, have existing experience working on complex, large scale High-Density (HD) Wi-Fi deployments, ideally within a big Arena environment. The candidate will also need to have the ability to troubleshoot technical issues and resolve problems in respect of the Wi-Fi Solution and the Legacy wi-FI solution Responsibilities/Accountability: Assist with the design and configuration elements of the Wi-Fi solution, including access point model and placement, controller, resilience and licensing requirements, according to industry or vendor best practice. Configuration and installation of Cisco products. Verify that best practices are followed for all Extreme Wi-Fi device configuration. Oversee execution of a complete Wi-Fi signal coverage plan in accordance with the defined acceptance criteria. Essential Skills: Degree in Computer Science or related field or work experience equivalent Hands-on experience with one or more Wi-Fi and network vendor's equipment such as Extreme Networks, Cisco, Juniper, Cisco Meraki, Aruba, etc Extensive experience within wireless network engineering, data communications fields, Wireless/Mobility/Cellular networks and Networking/Internetworking devices, protocols and operating systems Demonstrate expertise in network design, ability to lead a Wi-Fi and network design-related discussion with leading questions to fully vet a customer's requirements Preferred but not essential skills: Experience of developing RF designs, RF propagation modelling, site surveys at locations with tools such as Ekahau & AirMagnet CWNA (Certified Wireless Networking Administrator) or +5 years of experience in RF engineering We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships. Sanderson acts as both an employment business and as an employment agency. Please Note: Shortlisted candidates will be contacted via Call/Email.
London, United Kingdom
On site
Freelance
19-03-2025