Job Details

Security / Administrative Support Assistant

Security / Administrative Support Assistant

📍 Portsmouth, Hampshire
£15 per hour
£14.5 - £16/hour
Industry: Administration
Posted: 29-06-2026
Company: Denholm Industrial Services Ltd
Type: Contract
Reference: 225304772

Job Description:

Denholm Industrial Services is expanding and is now recruiting for the following role:

About the Role 

We are seeking a highly organised and dependable Administrative Support Assistant to join our team on a fixed-term contract. This position offers an excellent opportunity for a detail-oriented professional to provide vital administrative capabilities to a fast-paced department. 

The successful candidate will ensure the smooth operation of our daily workflows. This blended role focuses heavily on end-to-end vetting and security clearance administration (BPSS/SC) in strict alignment with HMG Baseline Personnel Security Standard guidelines, alongside critical operational support such as purchase order processing and data management. 

Key Responsibilities 

Vetting & Compliance Administration 

Operational & Business Support 

Requirements 

Experience & Technical Skills 

Core Competencies 

Security Clearance 

The successful candidate must successfully achieve and maintain BPSS security clearance as a condition of employment. This requires providing a full, uninterrupted three-year employment history; any gaps during this period must be fully declared and verified. 

Apply Now