Interim Chief Technology Officer

Interim CTO - 3 Month Assignment - PE Backed Scale up

We are partnering with a private equity-backed organisation undergoing a significant technology and operational transformation. The business is entering a critical scale phase and is seeking an experienced Interim CTO to provide hands-on leadership across platform delivery, engineering effectiveness, and technology operations.

This is a high-impact assignment suited to an execution-oriented technology leader who has successfully delivered complex transformation programmes within regulated or fast-scaling environments.

The Opportunity:

The incoming Interim CTO will work closely with executive stakeholders to accelerate delivery across a large-scale platform modernisation initiative, while improving governance, engineering performance, and third-party delivery management.

This role requires a balance of strategic oversight and hands-on problem-solving. The successful candidate will be comfortable operating at pace, making pragmatic technical decisions, and driving accountability across internal teams and external partners.

Candidate Profile:

We are looking for a proven interim technology leader with experience operating in complex, fast-moving environments.

You will likely bring:

  • Prior experience as an Interim CTO, Transformation CTO, or senior technology executive
  • Strong background within regulated sectors
  • Demonstrated success leading platform modernisation or replatforming initiatives
  • Experience managing system integrators, outsourced delivery teams, or managed service partners.
  • Strong technical credibility with the ability to engage at both strategic and detailed levels
  • A highly delivery-focused mindset with strong execution capability
  • Exposure to modern AI technologies and practical enterprise use cases
  • Low ego, collaborative leadership style, and willingness to lead from the front

Additional Information

  • UK-based assignment
  • Hybrid working model
  • Immediate start preferred
  • Competitive day rate

For a confidential discussion, please apply directly or contact us for further information.

Interim CTO - 6–12 Month Assignment - PE Backed Scale up

Job Details

Company
Siena Partnership
Location
London Area, United Kingdom
Hybrid / Remote Options
Posted