Head of Security

1 month ago


London, UK, United Kingdom O’Neill & Brennan UK Full time

Job Title: Head of Security

Company: O’Neill & Brennan

Location: Multiple Sites (UK-wide)


About O’Neill & Brennan:

O'Neill & Brennan is a leading construction solutions provider with a turnover of £100m+ and 14 offices across the UK and Ireland. We are renowned for our commitment to excellence, quality, and safety. With a solid reputation built over decades, we pride ourselves on our skilled workforce and innovative approaches that meet the dynamic needs of the industries in which we operate.


Job Overview:

We are seeking a dynamic and experienced Head of Security to join our team. The successful candidate will lead our fast-growing Security business, grow our revenue across existing and new clients, and manage our team of Contract Managers.


Key Responsibilities:

  • Team Leadership: Provide strong leadership to both our operatives and Contracts Management team, fostering a culture of collaboration, innovation, and continuous improvement with all departments, specifically our Labour/Trades and Logistics Team.
  • Revenue / Gross Profit Identify and pursue opportunities to expand security services within our existing client base, as well as new clients.
  • Strategic Planning: Develop and implement security strategies that align with business goals and support operational efficiency. Create an annual budget and forecast, and report monthly to the leadership team on performance.
  • Operational Oversight: Ensure robust security measures are maintained across all sites and that our health, safety and compliance standards are met at all times.
  • Supply Chain Management: Oversee the procurement and management of security-related supplies and equipment and ensure reliable and timely deliveries.


Qualifications and Experience:

  • Proven experience in senior operational / sales role in the Security sector.
  • Track record of expanding revenue within existing clients and winning new clients.
  • Strong leadership and team management skills, with experience overseeing a large workforce.
  • Commercial acumen with experience managing budgets and optimizing costs.
  • Ability to build relationships with stakeholders at all levels.
  • Experience in provision of Waking Watch services.
  • Familiarity with the ACS approval process.
  • SIA accredited.


Why Join O’Neill & Brennan:

  • Competitive salary and benefits package.
  • Dynamic and supportive work environment.
  • Career development and growth opportunities.

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