CNI Support Engineer (SC Cleared) - Utilities

Hamilton Barnes Associates Limited; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading IT services organization seeks a skilled CNI Support Engineer for a 6-month contract role in the UK. The position involves providing critical infrastructure support, requiring strong Linux and Windows skills along with active SC Clearance. This is an inside IR35 role with flexible onsite requirements.

Benefits

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Qualifications

• Strong hands-on experience in Linux system administration.
• Good working knowledge of Windows operating systems.
• Experience in applying system patches using tools like YUM.

Responsibilities

• Provide day-to-day support for Linux and Windows systems.
• Perform system patching across environments.
• Manage deployment of endpoint security tools.

Skills

Linux system administration

Windows operating systems

Network protocols

Endpoint security solutions

Shell Scripting

Job description

Are you an experienced CNI Support Engineer looking for your next contract role?

Join one of the world’s leading IT services, consulting, and business solutions organisations. With a global presence in over 50 countries and a legacy dating back to 1968, this company is renowned for delivering high-quality technology solutions across sectors including banking, healthcare, telecoms, and retail.

A top-tier consultancy has partnered with a market-leading UK utilities organisation to deliver critical infrastructure support—and is now seeking a CNI Support Engineer on a 6-month rolling contract. This role is Inside IR35 and requires a minimum of three days per week onsite. Due to the nature of the work, active SC Clearance is essential.

Ready to make a move? Get in touch and apply today!

Responsibilities:

• Provide day-to-day support for Linux systems, including monitoring, performance tuning, system upgrades, and troubleshooting OS-related issues.
• Support and maintain Windows operating systems, ensuring stability, applying updates, managing users and access rights, and resolving technical issues.
• Perform system patching across Linux and Windows environments using tools such as YUM, ensuring all systems remain secure and up to date.
• Manage and support the configuration and deployment of endpoint security tools, ensuring compliance with internal and external security standards.
• Administer and troubleshoot a range of networking protocols and services including TCP/IP, NFS, NTP, SMTP, DNS, DHCP, FTP, Telnet, ensuring reliable connectivity and system integration.

Skills/Must have:

• Strong hands-on experience in Linux system administration, including system monitoring, user and group management, disk partitioning, Shell Scripting, and managing services and daemons. Proficient in using core Linux tools and commands for troubleshooting and system performance tuning.
• Good working knowledge of Windows operating systems, including system configuration, user access controls, registry management, and patch updates. Able to troubleshoot Windows-based issues and support integration in mixed OS environments.
• Experience in applying system patches and updates using tools like YUM, with the ability to configure repositories and manage dependencies effectively.
• Strong understanding of endpoint security solutions, with experience in deploying and configuring security agents and tools across both Linux and Windows platforms.
• Good technical knowledge of networking protocols and services, including TCP/IP, NFS, NTP, SMTP, DNS, DHCP, FTP, Telnet, with practical experience in configuring and supporting SAMBA shares and Apache Web Servers in enterprise environments.

Benefits:

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Salary:

• Up to £325 Per Day (Inside IR35)