Interim Chief Technology Officer
Posted 1 week ago by Siena Partnership
Negotiable
Undetermined
Hybrid
London Area, United Kingdom
Summary: The role of Interim Chief Technology Officer (CTO) involves leading a private equity-backed organization through a critical technology and operational transformation. The successful candidate will provide hands-on leadership in platform delivery, engineering effectiveness, and technology operations during a significant scaling phase. This position requires a blend of strategic oversight and practical problem-solving skills, with a focus on accelerating delivery and improving governance. The ideal candidate will have a proven track record in similar roles within regulated or fast-scaling environments.
Key Responsibilities:
- Provide hands-on leadership across platform delivery, engineering effectiveness, and technology operations.
- Work closely with executive stakeholders to accelerate delivery of a large-scale platform modernization initiative.
- Improve governance, engineering performance, and third-party delivery management.
- Make pragmatic technical decisions and drive accountability across internal teams and external partners.
Key Skills:
- Prior experience as an Interim CTO, Transformation CTO, or senior technology executive.
- Strong background within regulated sectors.
- Demonstrated success leading platform modernization 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.
Salary (Rate): undetermined
City: London Area
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
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