UNIX Engineer
Posted 2 weeks ago by eTeam Workforce Limited
£494 Per day
Inside
Onsite
London, UK
Summary: The UNIX Engineer role is a senior position focused on Unix/Linux infrastructure within regulated enterprise environments, emphasizing platform security, compliance, and stability. The engineer will provide L2/L3 support, manage system hardening, and participate in data centre optimization and security initiatives. This position requires strong technical expertise and effective communication with global stakeholders. The role is based in London and requires three days of on-site work per week.
Key Responsibilities:
- Provide L2/L3 support for Unix/Linux infrastructure platforms in production, including business critical and regulated systems
- Perform secure build, configuration, hardening, and ongoing maintenance of Unix/Linux Servers
- Support data centre optimisation, migration, and transformation programmes, including platform stabilisation and risk reduction activities
- Implement and maintain security controls, including access management, patching, vulnerability remediation, and configuration compliance
- Participate in incident, problem, and change management, ensuring adherence to ITIL and security governance standards
- Support audit, risk, and compliance activities, including evidence gathering and remediation of audit findings
- Work closely with security, platform, and architecture teams to ensure platforms meet enterprise security and operational standards
- Create and maintain technical documentation, runbooks, and operational procedures
- Contribute to continuous improvement initiatives to enhance platform reliability, security, and operational efficiency
Key Skills:
- Strong hands on experience administering Unix/Linux platforms in large enterprise environments
- Linux (RHEL, Oracle Linux, SUSE or equivalent)
- Unix variants (eg AIX, Solaris, HP UX or equivalent Legacy platforms)
- Solid experience with system hardening and security best practices on Unix/Linux
- Strong understanding of OS patching and life cycle management
- User and privilege management (sudo, PAM, RBAC)
- File system, storage, and performance management
- Process monitoring, troubleshooting, and root cause analysis
- Experience working in regulated or security sensitive environments (eg banking, financial services, critical infrastructure)
- Familiarity with vulnerability management, security scanning, and remediation processes
- Experience supporting data centre migration or transformation programmes is highly desirable
- Working knowledge of ITIL processes (incident, problem, change)
Salary (Rate): £494 per day
City: London
Country: UK
Working Arrangements: on-site
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you.
Role Title: UNIX Engineer
Location: LONDON 3 days onsite
Duration: 30/11/2026
Rate: £494 per day all inc. (PAYE through Umbrella)
Role Description:
The SI Unix Engineer is a senior Unix/Linux infrastructure specialist with a strong focus on platform security, compliance, and stability within highly regulated enterprise environments. The role supports critical Unix/Linux platforms, including Legacy and modern systems, and plays a key part in data centre optimisation, migration, and security hardening initiatives.
This position requires deep hands on Unix/Linux expertise combined with strong security awareness, operational discipline, and the ability to communicate effectively with global stakeholders.
Key Responsibilities
Provide L2/L3 support for Unix/Linux infrastructure platforms in production, including business critical and regulated systems
Perform secure build, configuration, hardening, and ongoing maintenance of Unix/Linux Servers
Support data centre optimisation, migration, and transformation programmes, including platform stabilisation and risk reduction activities
Implement and maintain security controls, including access management, patching, vulnerability remediation, and configuration compliance
Participate in incident, problem, and change management, ensuring adherence to ITIL and security governance standards
Support audit, risk, and compliance activities, including evidence gathering and remediation of audit findings
Work closely with security, platform, and architecture teams to ensure platforms meet enterprise security and operational standards
Create and maintain technical documentation, runbooks, and operational procedures
Contribute to continuous improvement initiatives to enhance platform reliability, security, and operational efficiency
Technical Skills & Experience (Essential)
Strong hands on experience administering Unix/Linux platforms in large enterprise environments
o Linux (RHEL, Oracle Linux, SUSE or equivalent)
o Unix variants (eg AIX, Solaris, HP UX or equivalent Legacy platforms)
Solid experience with system hardening and security best practices on Unix/Linux
Strong understanding of:
o OS patching and life cycle management
o User and privilege management (sudo, PAM, RBAC)
o File system, storage, and performance management
o Process monitoring, troubleshooting, and root cause analysis
Experience working in regulated or security sensitive environments (eg banking, financial services, critical infrastructure)
Familiarity with vulnerability management, security scanning, and remediation processes
Experience supporting data centre migration or transformation programmes is highly desirable
Working knowledge of ITIL processes (incident, problem, change)
Certifications (Preferred, not mandatory)
Red Hat Certified Engineer (RHCE) or equivalent Linux certification
Unix/Linux vendor certifications (AIX, Solaris, etc.)
ITIL Foundation
Security focused certifications (eg CompTIA Security+, CISSP - foundational exposure acceptable)
If you are interested in this position and would like to learn more, please send through your CV and we will get in touch with you as soon as possible. Please note, candidates are often Shortlisted within 48 hours.