Project Manager, Project & Program Management

Posted 14 Sep 2026

Sigma are experts at transforming commercial space. With over 20 years’ experience operating in the fast-paced and dynamic retail sector, Sigma provide a true end-to-end service; from store construction and consolidation to fixture procurement, projects, and mechanical & electrical installation.

Ranked in the top 10% of the 2019 Sunday Times International Fast Track 200 awards, we’ve been acknowledged as being one of Britain’s fastest growing private companies.

It’s our people that make us who we are, and we are proud to have some of the most experienced, knowledgeable, passionate, and dedicated individuals within our industry, at every level in our business. Sigma is committed to creating a diverse environment and is proud to be an equal opportunities employer. our business.

Outline of role

We are looking for an experienced and driven Project Manager to join our Projects team. This is an exciting opportunity for a motivated individual with a background in construction, fit-out or installation projects to lead multiple projects from concept through to completion.

As Project Manager, you will be responsible for developing and leading project teams, maintaining and growing client relationships, and ensuring the successful delivery of projects to the highest standards of quality, safety and profitability. You will oversee all stages of the project lifecycle, ensuring projects are delivered on time, within budget and in line with client expectations.

The successful candidate will play a key role in driving operational excellence, continuous improvement and innovation while supporting the long-term growth and success of the business.

Main responsibilities

• Develop client briefs into detailed and deliverable project plans.
• Produce project scopes, specifications and supporting documentation.
• Work closely with Quantity Surveyors to develop accurate cost plans.
• Manage design development and coordination throughout the project lifecycle.
• Undertake contract administration responsibilities.
• Develop project programmes and manage project phasing.
• Chair and lead project meetings with clients, suppliers and internal stakeholders.
• Manage project performance, resources and commercial outcomes.
• Ensure projects are delivered safely, on schedule and within budget.
• Lead and develop Site Managers and wider project teams.
• Build and maintain strong customer relationships, ensuring excellent service delivery.
• Drive a "right first time" approach to quality, aiming for defect-free project handovers.
• Ensure compliance with all company Health & Safety policies and procedures.
• Monitor and report on project profitability, including the timely and accurate production of CVRs.
• Identify opportunities for innovation and continuous improvement in project delivery, construction methodologies and technical solutions.

Knowledge and experience required

• Proven experience in a Project Management role within construction, fit-out or installation environments.
• Demonstrable experience of leading and managing project teams.
• Strong commercial awareness, including budget management and project profitability.
• Experience managing Health & Safety compliance across live project environments.
• Proven ability to successfully manage multiple projects and stakeholder relationships simultaneously.
• Experience working directly with clients and developing long-term customer relationships.

Skills required

• Excellent communication and interpersonal skills.
• Strong leadership and team development capability.
• Effective planning, organisation and workload management skills.
• Ability to build, develop and maintain strong customer relationships.
• Strong problem-solving and decision-making abilities.
• Ability to work under pressure and manage competing…