Platform Engineer (SC Cleared)

Job Title: Platform Engineer (SC Cleared)

Contract Type: Inside IR35

Start Date: August 2026

Contract Length: 12 Months (with scope to extend)

Location: Remote - Travel required across during initial knowledge transfer for 1st 3 months (costs covered, depending on distance)

Security Clearance - Must be holding active Security Clearance

We are supporting a large, mission-critical public-sector system and are building a platform engineering team to maintain and evolve a complex Legacy technology environment.

This role suits experienced engineers who are comfortable owning systems, providing L3 support, and mentoring others, rather than greenfield delivery.

Key Responsibilities

• Support and maintain Legacy applications and infrastructure (L3 support)
• Deliver changes within a complex Legacy estate
• Own systems and services as a technical subject matter expert
• Build and support CI/CD pipelines
• Maintain documentation and undertake peer reviews
• Mentor junior engineers and support team delivery
• Stakeholder management, technical decision making, and line management.

Essential Technical Skills

• Legacy systems support and modernisation
• CI/CD pipelines and automation
• Refactoring and automated testing
• ETL and data integration
• Containerisation and virtualisation

Technologies:

• Nginx, Apache HTTP/Tomcat
• Oracle 11, RAC, RMAN, Partitioning, PL/SQL
• Oracle Solaris 10
• Red Hat Enterprise Linux 8
• Windows Server 2008/2016/2019
• VMware ESX v6
• Docker
• IBM Initiate (MDM)

Desirable Skills

• Elasticsearch
• Java (SE 8, EE 5/6/11, EJB, JSP)
• GIS technologies (OpenLayers, MapServer, Tile Cache)
• Basic Python for Legacy system maintenance