Office Manager

Bristol, Gloucestershire
Twinstream Limited

Office Manager Bristol (Aztec West) Up to £50,000 + Excellent Benefits On-Site DV Eligible

Shape the heart of our operations. Drive security excellence. Grow with a company that s going places.

At TwinStream, we help our clients solve complex, high-stakes technical challenges in secure, cloud-native environments. Founded by engineers working within UK government organisations, we ve grown into a trusted team delivering innovative solutions with precision, agility, and integrity.

Now, we re looking for someone who can bring that same energy and professionalism to our Bristol hub an Office Manager who s ready to take ownership, elevate our operations, and grow into the critical role of Security Controller (training provided).

This is not your typical office job. It s a chance to be at the centre of a fast-moving, mission-focused business where your work directly contributes to the security, efficiency, and culture of our team.

What You ll Do:

Office Management

• Be the go-to person for all things facilities, suppliers, logistics, and site coordination
• Own onboarding/offboarding processes, access control, equipment, and workspace setup
• Manage supplies, post/couriers, meeting rooms, and internal events
• Liaise with our landlord, manage issues, and keep the office running flawlessly

Health & Safety

• Maintaining H&S policies, risk assessments, and training records
• Running checks, drills, inductions, and incident logs
• Managing contractors, permits to work, and statutory compliance (fire, electrical, water hygiene)

Security Controller (FSC)

(Training and qualifications fully funded)

• Manage access control, secure materials, and physical security systems
• Oversee CCTV, alarms, and IDS maintenance
• Maintain compliance with government protective security standards
• Conduct audits, deliver security awareness training, and track evidence/assurance
• Liaise with CTSA and relevant local security groups
• Support FSC/IPSA documentation and audits

Supplier & Budget Management

• Own supplier relationships and contracts
• Manage POs, invoices, and budget tracking
• Drive value while maintaining excellent service levels

Asset & IT Coordination

• Support joiner/mover/leaver processes
• Maintain asset lists and coordinate repairs/warranties

What We re Looking For

• Experience in office or facilities management
• Highly organised, proactive, and an excellent communicator
• Discreet, reliable, and comfortable handling sensitive information
• Able to work on-site Monday Friday at Aztec West
• Comfortable with access control/CCTV/alarms (training provided)
• DV clearance (held or eligible/willing to obtain)
• Willing to complete DISA FSC training (within 3 months)
• Working knowledge of core H&S responsibilities
• Confidence managing suppliers, budgets, and PO processing

Why Join TwinStream?

• 8% employer pension contribution
• Private medical insurance (incl. dental & optical) for you and your family
• Real autonomy over your development
• Flexible working culture
• Electric vehicle salary sacrifice scheme
• 28 days holiday + bank holidays
• Regular team events, including summer and Christmas celebrations
• Life assurance & cycle-to-work scheme

Ready to take the lead?

If you re an organised, dependable, and forward-thinking professional looking for a role with real impact and long-term growth, we d love to hear from you. APPLY NOW for immediate consideration.

Security Notice

Due to the nature of our work, any offer is subject to successful security screening, including eligibility for DV clearance.