Organisational Development Specialist

Altum Consulting; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading consulting firm is seeking an Organisational Development Specialist to partner with HR and drive impactful organizational change. The role involves diagnosing challenges, designing interventions, and evaluating outcomes. Ideal candidates will have proven consulting experience in team effectiveness and a commitment to inclusive practices. Strong communication skills and the ability to influence stakeholders are essential. This role provides the opportunity to make a significant impact on organizational culture and performance.

Qualifications

• Proven experience in organisational development consulting.
• Strong team effectiveness expertise with psychological safety.
• Experience designing culture change processes.
• Capable of simplifying workflows and defining acceptance criteria.
• Strong capability in diagnostics and evaluation.
• Ability to influence senior stakeholders without formal authority.
• Commitment to inclusive and ethical practices.

Responsibilities

• Partner with HR to scope work and agree outcomes.
• Diagnose organisational challenges using interviews and analysis.
• Develop and present options and recommendations.
• Co-design scalable organisational development interventions.
• Deliver OD interventions adaptable to needs.
• Support embedding practices with leadership and effectiveness teams.
• Evaluate interventions and translate insights into actions.
• Manage a balanced portfolio of commissioned work.

Skills

Organisational development consulting

Team effectiveness expertise

Culture and behaviour change design

Systems and workflow thinking

Diagnostics and evaluation capability

Stakeholder engagement

Excellent communication skills

Job description

Altum Consulting are partnering with a large, nationally recognised charity with a powerful social mission to recruit an Organisational Development Specialist into their team

The role

Key responsibilities

• Partner with HR Business Partners and Centres of Expertise to scope work clearly, agreeing outcomes, timelines and indicators of success
• Diagnose organisational challenges using structured methods including interviews, workshops and data analysis
• Develop and present clear options and recommendations, outlining trade-offs and expected benefits to support informed decision-making
• Co-design scalable organisational development interventions aligned to Centre of Expertise standards, focused on leadership, team effectiveness and change enablement
• Deliver and facilitate OD interventions across a range of organisational settings, adapting in real time while maintaining focus on outcomes
• Support adoption and embedding by collaborating with Organisational Effectiveness and Leadership & Talent teams to develop practical tools and guidance
• Evaluate the impact of interventions using agreed measures and feedback loops, translating insight into actionable next steps and shared learning
• Manage a balanced portfolio of commissioned work, planning logistics, resources and delivery to ensure safe, inclusive and effective outcomes
• Build trusted relationships across the organisation, providing credible, evidence-based advice to influence sustainable change
• Contribute to the continuous improvement of OD practice, sharing insight and refining approaches in line with people strategy and organisational priorities
• Uphold ethical, inclusive and accessible practice across diagnostics, facilitation and data handling

About you

• Proven experience in organisational development consulting, grounded in evidence and able to frame clear options, trade-offs and value
• Strong team effectiveness expertise, including reading group dynamics, clarifying purpose and decision pathways, and facilitating high-stakes sessions with psychological safety
• Experience designing and embedding culture and behaviour change through simple routines, rituals and reinforcers
• Systems and workflow thinking, with the ability to simplify processes, anticipate digital implications and define clear acceptance criteria
• Strong diagnostics and evaluation capability using mixed methods to set baselines, interpret results and iterate interventions
• Demonstrated ability to enable change adoption through coaching, stakeholder engagement and practical enablement activities
• Confidence influencing senior stakeholders and working across multiple workstreams without formal authority
• Excellent communication skills, with a concise, decision-oriented storytelling style
• A strong commitment to inclusive, ethical and accessible practice
• Experience in a retail or customer-facing environment is desirable but not essential