Senior Site Manager

Unispace; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global workspace design firm is seeking a Senior Site Manager to lead complex commercial projects in Greater London. The ideal candidate will have over 10 years of experience in commercial construction, particularly in office fit-outs. Responsibilities include managing site operations, subcontractors, and ensuring timely project delivery. The role offers a competitive salary and benefits package, emphasizing employee welfare and career development. Join a team committed to innovation and inclusivity in the workplace.

Benefits

Competitive salary

Generous benefits package

Career development opportunities

Qualifications

• 10+ years in commercial construction.
• Strong background in office fit‑out / interiors.
• Experience managing large, complex projects.

Responsibilities

• Own the entire site operation on complex office fit‑out projects.
• Lead and control subcontractors for quality and safety.
• Represent the company’s values and professionalism on site.

Skills

Commercial construction experience

Project management

Client-facing skills

Problem-solving

Job description

Senior Site Manager

At Unispace, we design and build some of the world’s most inspiring workplaces. We’re now looking for an experienced Senior Site Manager to take full ownership of the on-site delivery of high-profile commercial projects, working with leading global clients in fast-paced, design-led environments.

This is a role for a true site leader someone who thrives on responsibility, leads from the front, and takes pride in delivering complex projects safely, on time, and to an exceptional standard.

Responsibilities

• Own the entire site operation on large, complex office fit‑out projects (CAT A & CAT B)
• Lead and control subcontractors (performance, quality, safety)
• Deliver projects on time, safely, and to a premium finish
• Manage site programme, sequencing, logistics, and risk
• Be the senior client‑facing presence on site
• Oversee QA, snagging, and project close‑out
• Represent Unispace’s culture, professionalism, and values on site

About you

• 10+ years in commercial construction
• Strong background in office fit‑out / interiors
• Has run large, complex projects (multiple trades, tight programmes)
• Confident managing subcontractors and site teams
• Can read drawings, manage sequencing, and solve problems fast
• Comfortable dealing with clients, landlords, and consultants

What We Offer

In return, you will receive a competitive salary and a generous benefits package, including a pension, paid holiday leave, and travel opportunities across our global offices. Unispace values its employees and offers extensive rewards and recognition, career development, and a focus on well-being.

Join Us

If you are passionate about joining Unispace and contributing to some of the world’s most recognisable commercial design projects, then please apply through our careers page.

The statements in this job description are intended to describe the general nature and level of work being performed by the person(s) assigned to this job. This job description is not intended to be an exhaustive list of all responsibilities and duties required.

We encourage applicants of all backgrounds to apply, and we are committed to providing reasonable accommodations to individuals with disabilities, allowing them to perform essential job functions as determined on a case‑by‑case basis.

Inclusion and Diversity Commitment

At Unispace, we are committed to fostering an inclusive and diverse workplace. We proudly embrace equal opportunity hiring and will evaluate qualified applicants without regard to race, religion, color, age, sex, sexual orientation, gender identity, gender expression, national origin, ancestry, marital status, medical condition (as defined by state law), physical or mental disability, military service, veteran status, pregnancy, childbirth, and related medical conditions, genetic information, or any other characteristic protected by applicable law.

We are proud that our leadership reflects this commitment, with persons of color, women, neurodiverse and LGBTQ+ individuals playing pivotal roles in shaping the future of our organization. Their unique perspectives and experiences drive innovation and help us create a truly inclusive culture. We are dedicated to ensuring that every voice is heard and that our workplace is a space where diversity is not only celebrated but is integral to our success.