private security jobs in Renfrewshire

SThree are pleased to announce we’re recruiting for a talented Lead Cyber Security Engineer to join & guide our excellent team based in our fantastic office space located in the Cadworks Building, Glasgow. The Cyber Security Engineering Lead acts as the technical authority across all domains of cloud and endpoint security, taking full ownership of hardening, automation, and threat mitigation....

A leading IT solutions provider in Erskine is seeking a Network Architect to design and manage secure network systems. This role requires strong expertise in network architecture and troubleshooting complex issues. Eligible candidates must obtain high-level UK Security clearance. The position offers competitive compensation, a comprehensive benefits package including private health insurance, and...

Job Title: Principal Engineer – Technical Specialist – HVAC/Auxiliary Location: Scotstoun/Portsmouth/Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £60,000 depending on skills and experience What you’ll be doing: - Support the Platform TA in requirements, acceptance, architecture and...

You will have a good technical knowledge in the primary discipline of fire safety design.

You will be IT literate with a working understanding of fire modelling software analysis tools.

You should have excellent communication skills and an interest in working in a team environment.

✍️ Bid Writer (Cyber Security) Help us win work that keeps organisations secure. You’ll craft clear, compliant, persuasive bids—working with sales, marketing and technical SMEs to translate complex input into winning proposals. What you’ll do - ✍️ Write, edit & polish bids/tenders - 🤝 Collaborate across teams to gather the right content - ✅ Tailor responses to specs & ensure compliance - ⏱️...

Head of Finance - Defence Full time, Permanent Inchinnan, Hybrid Please note that this role requires security checks. The Role: We’re looking for a Head of Finance – Defence to be our finance business partner for the Defence products lines, responsible for the financial delivery to forecast, ensuring accurate reporting, budget delivery, financial strategy ownership, driving efficiency and...

You will also be required to submit your trade certificates after an initial phone call with the recruiter. Main Responsibilities:

You must be eligible to apply for SC clearance and, therefore, must hold a British passport and have lived and worked in the UK for the past 5 years

You will be joining a Sales team based in a cool Central Glasgow office 3 days per week. The previous SDRs have been promoted to full-cycle Sales Reps and they are now looking for an ambitious individual to come in and open new doors for them. This role is perfect for an enthusiastic person with a strong appetite for working in a highly agile business.

VCF Infrastructure Engineer (VMware Cloud Foundation) Location: Glasgow – 2–3 days onsite per week, remainder remote Engagement Type: Contract (Inside IR35) Multi-year programme Overview We are seeking a highly experienced VCF Infrastructure Engineer to support an end-to-end VMware Cloud Foundation (VCF 9) implementation for a tier 1, global enterprise. This is a strategic, long-term...

You will ensure the successful delivery of high-quality, business-winning proposals and robust project baselines, setting the foundation for excellence in project delivery. This is a leadership role requiring innovation, strategic thinking, and a proactive approach to risk, opportunity, stakeholder management, and continuous improvement across multi-disciplinary teams.

Senior Bid Lead Full-time, Permanent Inchinnan, Glasgow or Westhill, Aberdeen - Hybrid Please note that this role requires security checks. The Role: As a key member of our Bids Team, the Senior Bid Lead will take ownership of strategically important bids from initial receipt through to contract award, driving success across our Defence and Commercial & Hyperbaric product lines. This pivotal...

Job Title: Principal Engineer – Technical Specialist – HVAC/Auxiliary Location: Scotstoun/Portsmouth/Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £60,000 depending on skills and experience What you’ll be doing: - Support the Platform TA in requirements, acceptance, architecture and...

You will have a good technical knowledge in the primary discipline of fire safety design.

You will be IT literate with a working understanding of fire modelling software analysis tools.

You should have excellent communication skills and an interest in working in a team environment.

Executive Assistant Full-time, Permanent Inchinnan, Onsite with flexibility Please note that this role requires security checks. The Role: The Executive Assistant will provide vital support to the Head of Defence Division—part of the James Fisher Executive Committee—enabling them to focus on strategic leadership across the organisation. Acting as a trusted strategic partner to the Senior...

You will have a good technical knowledge in the primary discipline of fire safety design.

You will be IT literate with a working understanding of fire modelling software analysis tools.

You should have excellent communication skills and an interest in working in a team environment.

Job Title: Principal Engineer – Technical Specialist – HVAC/Auxiliary Location: Scotstoun/Portsmouth/Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £60,000 depending on skills and experience What you’ll be doing: - Support the Platform TA in requirements, acceptance, architecture and...

Job Title: Principal Engineer – Technical Specialist – HVAC/Auxiliary Location: Scotstoun/Portsmouth/Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £60,000 depending on skills and experience What you’ll be doing: - Support the Platform TA in requirements, acceptance, architecture and...

Job Title: Principal Engineer – Technical Specialist – HVAC/Auxiliary Location: Scotstoun/Portsmouth/Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £60,000 depending on skills and experience What you’ll be doing: - Support the Platform TA in requirements, acceptance, architecture and...

Job Title: Principal Engineer – Technical Specialist – HVAC/Auxiliary Location: Scotstoun/Portsmouth/Filton. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: Up to £60,000 depending on skills and experience What you’ll be doing: - Support the Platform TA in requirements, acceptance, architecture and...

Job Title: Trials & Commissioning Engineer – Electrical Salary: Circa £46,000-£49,000 dependent on skills and experience Location: Scotstoun – on site What you’ll be doing: Setting to work of electrical marine systems and equipment across the whole ship platform to include Power and Propulsion, HVAC and Hotel, Fixed Fire Fighting, LV Distribution, Ships Control Systems, and all electrical and...