Platform Engineer - Windows or Linux Outside IR35

Platform Engineer - Windows or Linux - Contract - Outside IR35

Mindera is currently looking for Platform Engineers with experience in either Windows or Linux to join us on a contract basis. The role focuses on infrastructure, operating systems and security controls rather than application or user interface development.

3 days per week on client site in either Paddington or Heathrow area.

Responsibilities
:

Perform operating system upgrades and security patching on CCTV servers and supporting infrastructure.

• Apply firmware updates and vendor‑recommended security fixes.
• Remove shared credentials and implement secure identity and access controls.
• Harden servers and services in line with enterprise security standards.
• Support discovery and documentation of existing CCTV configurations and dependencies.
• Implement and improve monitoring, logging and alerting integrated with security operations.
• Support investigation and remediation of security and operational incidents.
• Produce clear technical documentation and operational runbooks.

Required Skills and Experience
:

• Strong experience in infrastructure or platform engineering roles.
• Hands‑on experience with Windows and/or Linux operating systems.
• Proven background in security hardening, patch management and access control.
• Experience working with cloud‑hosted and hybrid infrastructure.
• Comfortable working with legacy and partially undocumented systems.
• Experience operating across large distributed estates preferred.
• CCTV or physical security platform experience desirable but not required.

Benefits
:
Competitive day rate.

Seniority level:
Mid‑Senior level.

Employment type:

Contract.

Job function:
Other.

Industry: IT Services and IT Consulting.