Security Systems Engineer

Position: Security Systems Engineer

Location: London, UK (On-site)

Are you passionate about transforming the future of security? Do you thrive in a collaborative, innovative environment where your contributions drive real impact? If so, Acre Security is the place for you. Join us in making the world a safer place — one innovation at a time.

At Acre, we’re not just building security solutions — we’re empowering security professionals to adapt and thrive in a rapidly changing world. Since our inception in 2012, Acre has been at the forefront of innovation in access control, visitor management, and intrusion software. Our solutions are trusted by organisations in over 25 countries, delivering smarter, more adaptable, and easier‑to‑use security technologies that protect what matters most.

As a Security Systems Engineer, you will play a key on‑site role supporting management and project teams by providing a high level of technical expertise across physical security systems.

You will be responsible for installing, maintaining, and assuring the quality of security system works while ensuring client satisfaction remains consistently high. This role is suited to an experienced engineer with strong technical knowledge of security system architecture and hands‑on experience deploying and supporting CCTV and Access Control solutions.

You will work closely with cross‑functional teams to ensure systems meet industry standards and are optimised for reliability, scalability, and performance. The role requires someone who is self‑motivated, comfortable working under pressure, and able to work both independently and as part of a wider team.

• Provide technical input and expertise across security systems and supporting software
• Advise management and clients on new technologies and identify upgrade opportunities
• Carry out on‑site, hands‑on installation of physical security systems (locks, readers, cameras, etc.)
• Support daily fault‑finding on existing systems and assist service engineers when required
• Work closely with the Director of Government Solutions and Project Managers to oversee installations through to successful and timely completion
• Liaise with the Maintenance Manager to support technical challenges and queries
• Document up‑to‑date installation processes and procedures, recommending improvements where appropriate
• Apply CCTV and networking expertise to security specifications, diagnostics, and system upgrades
• Attend site meetings with clients and suppliers as required
• Quality‑check apprentice engineers’ installation work and sign off completed works when necessary
• Support and train junior engineers, helping them build competence and confidence with security equipment
• Continuously develop knowledge of electronic security systems, emerging technologies, and industry best practices
• Attend internal and external training as required

• Minimum 7 years’ experience in the security industry
• Strong IT and IP networking knowledge
• Proven experience with Access Control and CCTV systems (essential)
• Security systems apprenticeship (desirable)

• Strong written and verbal communication skills
• Ability to work independently and as part of a team
• Highly motivated with a desire to continuously improve skills
• Strong interpersonal skills, able to work with colleagues and clients at all levels
• Leadership capability and confidence supporting junior engineers
• Excellent planning, organisation, and time‑management skills
• High attention to detail and accuracy
  
  Enthusiastic, proactive, and eager to learn new technologies

• Be part of a disruptor
  – Help move security forward with a company that challenges the status quo and redefines industry standards.
• Learn from industry leaders
  – Work alongside experts and innovators driving real change in security technology.
• Drive meaningful impact
  – Your work will directly contribute to pioneering security technologies that protect businesses and communities worldwide.
• Advance your career
  – Access professional development opportunities, including training programs, mentorship, and industry events.
• Enjoy competitive…