Senior Unix/Linux Engineer — Security‑Focused, Hybrid Role

Undisclosed; Knutsford; Hybrid; GBP 80,753 - 105,960; Full time

Job summary

A leading technology services provider in the UK is seeking a Senior Unix/Linux Engineer to support critical infrastructure platforms in a hybrid model. You will be responsible for L2/L3 support, system hardening, and compliance in a regulated environment. The ideal candidate has strong Unix/Linux expertise, particularly with legacy systems, and a focus on security best practices. This role offers a competitive daily rate and emphasizes collaboration with global teams to enhance platform security and stability.

Qualifications

• Strong hands-on experience administering Unix/Linux in enterprise environments.
• Experience in legacy Unix variants like AIX or Solaris.
• Solid understanding of system hardening and security practices.

Responsibilities

• Provide L2/L3 support for Unix/Linux infrastructure platforms.
• Perform secure build and maintenance of Unix/Linux servers.
• Implement and maintain security controls, including patching.

Skills

Unix/Linux administration

System hardening

Security best practices

OS patching

User and privilege management

Process monitoring

Regulated environments experience

Tools

AIX

Solaris

HP UX

CompTIA Security+

CISSP

Job description

A leading technology services provider in the UK is seeking a Senior Unix/Linux Engineer to support critical infrastructure platforms in a hybrid model. You will be responsible for L2/L3 support, system hardening, and compliance in a regulated environment. The ideal candidate has strong Unix/Linux expertise, particularly with legacy systems, and a focus on security best practices. This role offers a competitive daily rate and emphasizes collaboration with global teams to enhance platform security and stability.