Lead/Senior Administrator (Construction/Commercial)

Salary: £30,000 to £35,000 + Benefits + Progression Opportunities

Location: Onsite – Northampton

Working Hours: Monday to Friday, full-time

About the Role

An exciting opportunity has arisen for an experienced and confident Lead Administrator to join a construction-focused team. This is a key administrative role supporting a busy commercial and operational environment. The successful candidate will oversee general and commercial administration, supporting functions such as HR, finance, and project coordination, while helping to streamline internal systems and ensure compliance.

This role involves team supervision, close collaboration with various departments, and a strong focus on accuracy, organisation, and commercial awareness.

Key Responsibilities

• General administrative support with a strong focus on commercial tasks
• Handling invoicing, cost reconciliations (CVRs), purchase orders, and profit & loss documentation
• Managing and mentoring a small admin team
• Collaborating with internal teams
• Preparing weekly and monthly financial reports
• Managing and interpreting large sets of data
• Maintaining and updating spreadsheets in Excel; assisting with system transitions (e.g. to SharePoint)
• Maintaining filing systems and audit trails in line with office procedures

Requirements

• Previous experience in a similar administrative role (ideally 2–3 years), with solid understanding of office systems and procedures
• Strong numerical skills and attention to detail, comfortable working with commercial data
• Proficient in Microsoft Office, especially Excel, Word, PowerPoint, and Outlook
• Confident and commercially aware, ideally with experience in a fast-paced construction or related environment
• Strong interpersonal and team leadership skills
• Highly organised, analytical, and able to work on own initiative
• Background in construction, property, or a similar sector is preferred

What’s on Offer

• Opportunities for career progression and professional development
• Supportive and collaborative working environment
• The chance to be part of meaningful, impactful projects
• A competitive benefits package designed to support wellbeing and work-life balance

Additional Benefits

• Up to 25 days annual leave plus bank holidays (subject to role)
• Enhanced family leave policies
• Employee wellbeing and assistance programmes
• Access to retail and lifestyle discounts
• Support with financial wellbeing and pension planning
• Employee recognition schemes
• Paid volunteering days
• Mental health resources and support

If you're an experienced administrator with strong commercial skills, leadership capability, and a background in a fast-paced environment, this could be the ideal next step in your career.