Assistant System Engineer jobs in London

Our client is a deep-tech pioneer who has created an all-optical networking platform, replacing traditional electronic switches with light, transforming AI training. They are looking for a Senior Optical System Engineer with an excitement for transformative technology to come and join their team. Responsibilities: + Create and run test plans for high-speed optical transceivers from prototype...

Job Description Security Systems Engineer, Installation & Maintenance, £270/day, COR7439 We’re seeking a capable Security Systems Engineer to work on the installation, servicing, and upkeep of a wide range of security technologies. This is a varied, field-based role covering client sites primarily within Greater London. The role is an initial 3 month contract, with a strong possibility for...

You will prepare estimates, work plans, and assist with performance reporting. Your technical expertise and coordination will ensure outcomes meet client and project requirements. "This position is designated as part-time telework per our global telework policy and may require at least three days of in-person attendance per week at the assigned office or project.

Job Description Service Engineer (Security Systems) London £45,000 - £55,000 + Career Progression + In-Depth Training + Manufacturer Training + Company Van + Door-to-Door Pay + Overtime (1.5x Weekdays, 2x Weekends) Are you a Service Engineer or similar, from a Security System background, preferably with experience working with CCTV and Access Control systems, looking for a position at a...

Job Description Technical Support Engineer – Fixing Systems Job Title: Technical Support Engineer – Fixing Systems Job reference Number: Industry Sector: Technical Advisor, Technical Support, M&E Fixings, Framework Fixings, Steel Framework, Fastenings, Facades, Fixings for Facades, Building Envelope, Cladding, Curtain Walling, Insulation, Dry Lining, Dry-Lining, Rendering, Fixings &...

You will be responsible for supporting product lifecycles from concept through to delivery, mentoring junior engineers, and contributing to high-profile, technically complex projects. Key Responsibilities - Lead and deliver systems design, integration, and test activities across multiple projects.

Halian is proud to partner with a leading medical device company based in London in their search for a Principal Systems Engineer. This is a pivotal role within the growing R&D team, driving both new product development and sustaining engineering for life-supporting technologies. Qualifications, skills, and all relevant experience needed for this role can be found in the full description...

Commissioning Engineer (Smoke Ventilation Systems) £47,000 - £55,000 + Company Van + Company Card + Weekdays Only + Progression + Bonus + Health Care Scheme + Extended Company Benefits + Time Served Benefits London Are you an experienced installation / service engineer or technician from the smoke ventilation industry, looking to join a market leading company that provides exceptional training...

Are you a Control System Engineer looking for your next contract opportunity? If so, please read on... Control System Engineer Oxford - 5 days per week onsite 6 Months initial contract £45-£50 per hour (Outside IR35) Essential Skillset: - Experience with Full project lifecycle assignments using Siemens TIA/S7 PLC - Proven working experience within the Food & Beverage industry or FMCG...

Principal Engineer - Combat Systems (External Communications) Frimley (Hybrid 2-3 days onsite) 12-month contract | 37 hrs/week £57.00 per hour (PAYE) Dreadnought Programme BAE Systems is seeking an experienced Principal Engineer - External Communications to support delivery of external communications systems within the Submarine Combat Systems domain on the Dreadnought Programme. Key...

You will be responsible for locating and assessing potential land opportunities to grow the free range production.

You will also ensure that the logistics of the free range supply chain runs smoothly including assisting with transport arrangements, forecasting and the provision of statistic for different business models.

Job Description Security Systems Engineer - High-End Residential & Commercial London | £40,000-£50,000 + benefits Are you a skilled Security Systems Engineer with experience installing and configuring intruder alarms and smart home security solutions? We're working with a high end home technology integrator delivering luxury residential and commercial projects across London. This is a...

Job Description Control Systems Software Engineer (PLC / SCADA) Location: London (Hybrid)Clearance: SC Cleared To apply, email: or call Overview An opportunity for an experienced Control Systems Software Engineer to work on mission-critical naval platform management systems within a highly regulated defence environment. The role covers full lifecycle development and in-service support of...

You will collaborate closely with cross-functional partners to push technology forward, even in areas where solutions are still being defined. Key Responsibilities - Monitor industry and company-wide computing technology trends to evaluate and develop new capabilities aligned with the product roadmap.

Job Description Backend Engineer: Distributed Systems Specialist Location: New York or London (Hybrid) Salary: $300,000 – $350,000 USD About Us We’re a stealth-mode infrastructure venture building next-gen primitives for decentralized execution. Our mission: rethink how distributed systems scale, sync, and self-heal — with a focus on performance, modularity, and cryptographic integrity. Our...

You will work closely with the Project Manager to ensure installations are completed to a high standard, on time and to specification.

You will be working with blue-chip and high-profile commercial clients who demand exceptional workmanship and attention to detail.

You will carry out inspections, fault-finding, and system testing, ensuring high-quality, safe, and compliant installations while supporting clients and project teams effectively. This role is 47.5 hours a week including door to door play.

Job Description Project Engineer (Security Systems) London £45,000 - £55,000 + Career Progression + In-Depth Training + Manufacturer Training + Overtime (1.5x Weekdays, 2x Weekends) Are you an Engineer or similar, from a Security System background, preferably with experience working with CCTV and Access Control systems, looking for a position at a well-established IRS, Security, Access...

The Multi Skilled Engineer will install, maintain, and service security systems, produce documentation, and provide technical support.

Service Engineer (Security Systems) The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have.London£45,000 - £55,000 + Career Progression + In-Depth Training + Manufacturer Training + Company Van + Door-to-Door Pay + Overtime (1.5x Weekdays, 2x Weekends)Are you a Service Engineer or similar, from a Security System...