Senior Project Manager

Sagacity; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Sagacity is seeking a Senior Project Manager to lead the delivery of complex, high-value projects and programmes in a UK-based environment. You will provide senior-level PM expertise across multiple initiatives, guiding clients and internal stakeholders while managing ambiguity and delivering high-quality outcomes.

You will own end-to-end delivery, mentor teams, and maintain robust governance and reporting.

Qualifications

• Experience delivering complex projects as a Senior Project Manager.
• Formal project management accreditation (e.g., AgilePM, PRINCE2).
• Strong leadership, problem-solving and decision-making skills.
• Consultancy or professional services background preferred.
• Strong planning, governance and documentation skills (MSP).
• Experience across utilities, telecoms or financial services is a plus.

Responsibilities

• Take full ownership for end-to-end delivery of projects to time, cost, quality and scope.
• Lead complex projects or large programmes with alignment to client objectives and SOWs.
• Define and maintain project quality management approaches.
• Develop and manage detailed project plans with milestones and dependencies.
• Monitor budgets, schedules, resources and quality metrics; escalate risks.
• Act as primary contact for senior sponsors and delivery teams.
• Build trusted relationships and manage stakeholder expectations at all levels.
• Provide timely status reporting to senior stakeholders and governance forums.
• Establish and operate robust project governance and assurance processes.
• Prepare and publish weekly and ad-hoc progress reports with risks and remediation plans.
• Ensure requirements are understood and validated by business and technical teams.
• Oversee acceptance criteria, quality thresholds and success measures pre-go-live.
• Lead or support UAT and validation activities; prioritise defects.
• Drive post-delivery reviews and continuous improvement.
• Mentor Project Managers and promote best practice.

Skills

Utilities / Telecoms / FS experience

Senior PM track record

AgilePM / PRINCE2

Leadership / problem-solving

Consultancy background

Planning / governance / documentation

Job description

As a Senior Project Manager, you will lead the successful delivery of complex, high-value projects and programmes, working independently or as part of a wider programme leadership team. You will provide senior-level project management expertise across multiple (and potentially concurrent) initiatives and will act as a trusted advisor to clients and internal stakeholders. You will be a proactive, self-motivated leader with a strong delivery mindset, capable of managing ambiguity, influencing at senior levels, and mentoring others within the project and programme team.

Responsibilities

• Take full ownership for the end-to-end delivery of projects to agreed time, cost, quality, and scope, proactively managing risk, dependencies, and delivery outcomes
• Lead complex projects and/or larger programmes, ensuring alignment with client strategic objectives, contractual commitments, and statements of work
• Define, implement, and maintain project quality management approaches, ensuring deliverables meet agreed standards and client expectations
• Develop, maintain, and actively manage detailed Project Plans, ensuring milestones, dependencies, deliverables, and quality checkpoints are clearly defined and tracked
• Monitor and control budgets, schedules, resources, and quality performance metrics, escalating risks, issues appropriately
• Act as the primary point of contact for senior client sponsors, business leaders, delivery teams, and third-party suppliers
• Build strong, trusted relationships and manage stakeholder expectations at all levels, with a clear focus on quality outcomes and value realisation
• Provide clear, concise, and timely status reporting to senior stakeholders and governance forums
• Establish and operate robust project governance, ensuring compliance with agreed delivery frameworks, quality standards, and assurance processes
• Ensure accurate and timely preparation and publication of weekly and ad-hoc progress reports, highlighting progress, successes, risks and remediation plans
• Act as a senior interface between business stakeholders and delivery (including technical) teams to ensure requirements are clearly understood, implemented, and validated
• Oversee the definition, documentation, and agreement of Acceptance Criteria, quality thresholds, and success measures prior to go-live
• Lead or support UAT and other validation activities, ensuring defects are prioritised, resolved, and verified prior to release
• Drive post-delivery reviews and lessons learned, embedding continuous improvement into future projects and programmes
• Support and mentor Project Managers and team members, promoting best practice in project delivery, governance, and quality management
• Contribute to the continuous improvement of project delivery standards, tools, methodologies, and quality assurance frameworks

Required Skills

• Experience in Utilities, Telecoms, or Financial Services
• Proven experience delivering complex projects as a Senior Project Manager
• Formal Project Management accreditation (e.g. AgilePM, PRINCE2)
• Strong leadership, problem-solving, and decision-making skills
• Consultancy or professional services background
• Strong planning, governance, and documentation skills (e.g. MSP, programme environment)