iss technical services jobs in Clerkenwell

An enterprise-level security systems integrator is seeking an experienced Technical Account Manager to oversee a prestigious, large-scale London site. This is a key client-facing role managing a high-profile account within a complex, enterprise environment.The site is a large Lenel-based site. Formal Lenel certifications are not required, but a strong working knowledge and enterprise-level...

BMS Service Engineer – Central London ( Contract Role) Salary: £45,000 – £65,000 DOEWe are looking for an experienced and motivated BMS (Building Management System) Service Engineer to join our team in Central London. This is an excellent opportunity for a skilled engineer to work across a variety of commercial and industrial sites, delivering high-quality service, maintenance, and optimisation...

You will become a member of a team of engineers all who work remotely but all can offer guidance and support when required with their strong technical background. The position is ideal for someone looking for a varied, dynamic role often dealing with large scale systems incorporating new technologies within a demanding customer base.

You should notdiscuss your application with anyone other than your partner or a close familymember. Right to withdraw statement:Please be aware that we reserve the right to bring forward the closing date for this role fromthe original date once a certain number of applications have been received.

You will join at Principal level and will play a key role in technical delivery, project leadership, and supporting the wider electrical team. The electrical team currently consists of 7 engineers (Director, Associate, and 5 Engineers), and this role will act as a central technical figure within the group.

Senior Electrical Engineer - Data Centre DesignPermanentEurope based with travel - full right to work is essentialThis is a key leadership position for an experienced design professional to head major data centre projects across the EMEA region. The Senior Electrical Design Engineer drives the entire project lifecycle, from initial concept to final client handover. This role requires a highly...

The OpportunityAn established and highly regarded building services contractor is seeking to appoint a Mechanical Project Manager to deliver major commercial projects across London. The business operates at the top end of the market, working with Tier One main contractors on technically complex new build and fit out schemes.This role is suited to a delivery-focused Mechanical Project Manager with...

Head of Event Operations - Exhibitions£70,000 - £75,000 Base + up to 15% BonusHybridLondonLeading international events business seeks a highly talented Head of Operations to join their team working across their leading expo business.The Head of Operations will be an experienced manager coaching and developing Operations Managers and Operations Coordinators in the delivery of their allocated...

Role OverviewproAV are a leading global audio visual integrator, providing AV and event services across multiple client partnerships globally.Our immediate requirement is for an experienced AV Team Lead to be a key part of our London team, representing proAV.One of many openings available at proAV (who have over 500 team members globally), this position is based within our end user’s organisation...

You will act as the technical authority for identity, ensuring all infrastructure controls are robust, compliant, and strictly aligned with Zero Trust principles. Key ResponsibilitiesIdentity & Access Management (IAM): Design and manage hybrid identity configurations, including domain joins, OU/GPO design, and trust relationships.

Senior Fire & Security EngineerLocation: London (Field-Based) Salary: Up to £47,000 + Overtime & BenefitsA leading national fire & security provider is seeking an experienced Senior Fire & Security Service Engineer to join their service team in London. This role focuses on complex maintenance, diagnostics and customer support across major commercial contracts, with opportunities to lead, mentor...

Senior Mechanical Design EngineerRemote in EuropeMust be EU national or have full unrestricted right to workThis senior position is for a Senior Mechanical Design Engineer to lead large-scale data centre projects across the EMEA region. The role requires managing the full project lifecycle, from initial design concept through to successful client handover, while maintaining high-quality delivery...