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⚙️ Data Center Controls Technician / Controls Engineer

A hands-on Controls Technician / Controls Engineer opportunity supporting mission-critical data center environments, with a focus on building automation, controls commissioning, HVAC systems, electrical monitoring, and field troubleshooting.

Strong backgrounds can come from BMS/BAS, HVAC controls, building automation, instrumentation & controls, commissioning, or industrial/critical-facility controls.

The work can include:

BMS / BAS controls and commissioningController setup, configuration, and troubleshootingPoint-to-point checkout, I/O validation, and sensor verificationHVAC/mechanical systems including chillers, pumps, AHUs/CRAHs, cooling towers, VAVs, valves, dampers, and VFDsElectrical monitoring and controls around UPS, generators, switchgear, PDUs, ATS/STS, and EPMSTroubleshooting sensors, controllers, alarms, communication faults, sequences, and interlocksBACnet / Modbus environmentsSchematics, control drawings, submittals, redlines, startup, and equipment checkoutCoordination with engineers, contractors, vendors, and field teams

Relevant backgrounds may include BMS/BAS Technician, HVAC Controls Technician, Building Automation Technician, Controls Technician, Commissioning Technician, I&C Technician, E&I Technician, Systems Controls Technician, Controls Engineer, or Automation Technician.

Experience with platforms such as Siemens, Schneider Electric, Johnson Controls, Honeywell, Tridium/Niagara, Automated Logic, Trane, EcoStruxure, Desigo, Metasys, or similar systems is highly relevant.

Prior data center experience is a plus, but not required - strong controls, HVAC, commissioning, electrical, or building automation experience can translate well.

GCS is acting as an Employment Business in relation to this vacancy.

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Early-career electrical or controls/electrical engineer? A major global automation programme is building a next-generation control platform for large-scale fulfilment and material-handling facilities worldwide, and we are recruiting the next generation of engineers to help configure, test, and commission it.

You'll complete an intensive onsite bootcamp led by professional instructors, then join engineering teams on live projects, reading drawings, building control-area configurations, testing on real hardware, and supporting commissioning activities as facilities go live. Monthly training continues throughout the programme, you'll earn a verifiable accreditation, and top performers may gain access to exciting long-term career opportunities.

You:

Degree in Electrical Engineering, Electrical Engineering Technology, Mechatronics, or 1-4 years' experience as a Controls Technician or PLC ProgrammerHands-on PLC exposure on any platformComfortable reading schematics, wiring diagrams, and I/O listsCurious, hands-on, and passionate about solving technical problemsAble to travel or relocate for training and project deployments as required

Experience with below helps:

Conveyor or material-handling experienceStructured Text programmingAutoCAD ElectricalGit or version control experienceCommissioning experience

GCS is acting as an Employment Business in relation to this vacancy.

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Early-career electrical or controls/electrical engineer? A major global automation programme is building a next-generation control platform for large-scale fulfilment and material-handling facilities worldwide, and we are recruiting the next generation of engineers to help configure, test, and commission it.

You'll complete an intensive onsite bootcamp led by professional instructors, then join engineering teams on live projects, reading drawings, building control-area configurations, testing on real hardware, and supporting commissioning activities as facilities go live. Monthly training continues throughout the programme, you'll earn a verifiable accreditation, and top performers may gain access to exciting long-term career opportunities.

You:

Degree in Electrical Engineering, Electrical Engineering Technology, Mechatronics, or 1-4 years' experience as a Controls Technician or PLC ProgrammerHands-on PLC exposure on any platformComfortable reading schematics, wiring diagrams, and I/O listsCurious, hands-on, and passionate about solving technical problemsAble to travel or relocate for training and project deployments as required

Experience with below helps:

Conveyor or material-handling experienceStructured Text programmingAutoCAD ElectricalGit or version control experienceCommissioning experience

GCS is acting as an Employment Business in relation to this vacancy.

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If you've spent the last few years on the floor programming and troubleshooting PLCs, reading drawings, and keeping conveyors and packaging lines running, and you're ready to move from keeping systems alive to building them, this is the programme.

We are recruiting hands-on Controls Technicians and PLC Programmers into a Controls Academy: an intensive onsite bootcamp that teaches a modern controls platform and software-driven engineering workflow (including Git and code reviews. We'll teach it, you don't need it yet), followed by deployment into engineering teams configuring, testing, and commissioning control systems in live industrial facilities. Monthly training continues throughout the programme, you'll earn a professional accreditation, and high-performing engineers may gain access to exciting long-term career opportunities.

We're Looking For1-4 years of hands-on PLC experience on any platform (Allen-Bradley, Siemens, Beckhoff, B&R, Schneider, CODESYS), including programming or modifying logicConfidence reading schematics, wiring diagrams, and I/O listsExperience working with sensors, drives, motors, and safety circuitsA natural problem-solver who wants to understand why something failed, not just that it failedAbility to be onsite for training and travel or relocate for project deployments as requiredConveyor or material-handling experience is a strong advantage

GCS is acting as an Employment Business in relation to this vacancy.

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Senior Software Engineer *

In-Flight Connectivity Platform - LEO Satellite Broadband Program

Redmond, WA (preferred) or San Diego, CA

About the Program

Amazon Leo is Amazon's low Earth orbit (LEO) satellite broadband network - one of the largest constellations ever built - and it is bringing gigabit-speed internet to commercial aviation. Major airlines have already signed on, with fleet-wide rollouts on the roadmap.

You would join the aviation platform team: the group building the software that runs aboard the aircraft, managing cabin Wi-Fi networks, satellite connectivity, over-the-air software updates, and operational services for passengers, crew, and airlines simultaneously. The program is early-stage - the software you build now will operate across a growing commercial fleet for years.

The Role

This is a hands-on senior engineering role at the platform/middleware layer. The high-level architecture is in place - your job is to build, integrate, and ship against it. You will work in a team that blends avionics, enterprise networking, cloud, and embedded backgrounds, with a dedicated security engineering team supporting the platform. Modern AI-assisted development tooling is used extensively.

What you'll do:

Design and implement core platform modules - cabin network management (VLAN-based traffic segmentation and prioritization across passenger, crew, and airline operational services), connectivity monitoring, and observability. Build and maintain the over-the-air (OTA) software lifecycle pipeline: cryptographically validated updates, staged activation, automatic rollback, and version reporting to ground-side fleet systems. Develop telemetry and health-monitoring infrastructure, including the device-to-cloud data pipeline for fleet monitoring. Integrate software across multiple cabin hardware platforms, maintaining hardware abstraction layers for portability. Build and execute unit, integration, requirements-based, and hardware-in-the-loop tests. Contribute to interface definitions and architecture decision records, and raise the bar through code reviews and design feedback.

What We're Looking For

Required:

6+ years of professional software development experience, with several years leading design or architecture of production systems. Strong Linux-based software development on real devices - C/C++ and/or Python. Solid networking fundamentals: VLANs, routing, QoS / traffic prioritization, and network troubleshooting. Experience with device-to-cloud systems: telemetry, health monitoring, or fleet/device management. Experience building or operating software update pipelines (OTA/firmware: signing, staged rollout, rollback). Containers (Docker; Kubernetes a plus) and modern CI/testing practices. Comfort with ambiguity and autonomy - an early-stage program where strong engineering judgment and clear documentation matter as much as implementation skill.

Nice to have:

Background in in-flight connectivity, satellite communications, avionics, or other safety-adjacent embedded domains. Familiarity with DO-178C software lifecycle (certification itself not required) or avionics interfaces such as ARINC 429. Security engineering exposure: cryptography, secure boot, threat modeling, identity and access controls. Experience with carrier-grade CPE/gateway software (e.g., RDK, OpenWrt, prpl) - this maps directly to the work.

GCS is acting as an Employment Business in relation to this vacancy.

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My banking client is looking for a Senior AWS Application Lead to join their team on an initial 6 month contract role

This will be an inside ir35 contract role.

This role will require you to be on site 2 days a week in their Farringdon Office.

Role Description

This role is for a strong hands-on AWS app developer software engineer who can help design and implement controls, tooling, and engineering practices.The focus is on enabling engineers to use AWS core platform services and technologies safely and effectively through the right mix of internal consulting and activation.Assessing team maturity and needs through outreach and supporting the engineering principals needed to migrate app workloads to the new platformPairing with teams and hands on coaching/doingExperience with enterprise adoption of AI-assisted development tools

This is an urgent role, please feel free to also reach out to me directly on [email protected]

GCS is acting as an Employment Business in relation to this vacancy.

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Strong experience with Open Source workplace environmentsHands-on experience with NextcloudExperience supporting and managing workplace servicesKnowledge of enterprise-scale IT environmentsAbility to work closely with technical teams and stakeholders

GCS is acting as an Employment Business in relation to this vacancy.

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Senior Hardware Design Engineer - PCB Board Satellite Payload - Design & Lab

Location: Bellevue, WA
Contract: 12+ months, extendable; C2H opportunity
Work Arrangement: 5 days onsite

About the Role

We are seeking a Senior PCB Hardware Design Engineer / Senior Hardware Development Engineer to support the development of advanced satellite payload hardware. This is a hands-on role focused heavily on board bring-up, hardware debug, design verification, validation, and supporting the transition of validated designs into subsequent hardware revisions.

The ideal candidate will have strong board-level design experience combined with extensive laboratory expertise and the ability to troubleshoot complex hardware issues from initial power-on through root-cause identification and resolution.

ResponsibilitiesLead bring-up of newly fabricated circuit boards, including power-on, section-by-section checkout, and first-time hardware debug through root cause.Plan and execute design verification and validation campaigns, including high-speed link testing, power measurements, functional testing, and detailed documentation of results.Partner closely with hardware design engineers to identify issues and drive corrective actions into subsequent board revisions.Contribute to schematic capture and PCB layout activities for next-generation hardware as project priorities and bandwidth allow.Support RF and antenna engineering teams with validated hardware and assist with their measurement and characterization requirements.Troubleshoot board-level hardware issues using systematic debug methodologies and laboratory instrumentation.Support the complete hardware development lifecycle from design and fabrication through bring-up, validation, and manufacturing support.Required Qualifications8+ years of electrical engineering experience in board-level hardware design.Strong experience with schematic capture and complex, dense multilayer PCB designs.Solid understanding of power delivery, power distribution, and sequencing.Extensive hands-on laboratory experience with board bring-up, hardware debug, and validation.Proficiency with oscilloscopes, logic/protocol analyzers, and high-speed test and measurement equipment.Experience with high-speed digital interfaces and multi-gigabit SerDes technologies such as JESD204, PCIe, 25G+ Ethernet, DDR, or similar.Strong understanding of signal integrity and power integrity considerations.Demonstrated experience across the full hardware lifecycle: design → build → bring-up → validation → manufacturing support.BSEE, MSEE, or equivalent practical engineering experience.

GCS is acting as an Employment Business in relation to this vacancy.

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Senior Hardware Development Engineer - PCB Design

Location: Seattle, Washington, USA
Contract: 12+ months
Work Arrangement: 5 days onsite

About the Role

We are seeking a Senior PCB Hardware Design Engineer / Senior Hardware Development Engineer to support the development of advanced satellite payload hardware. This is a hands-on role focused heavily on board bring-up, hardware debug, design verification, validation, and supporting the transition of validated designs into subsequent hardware revisions.

The ideal candidate will have strong board-level design experience combined with extensive laboratory expertise and the ability to troubleshoot complex hardware issues from initial power-on through root-cause identification and resolution.

ResponsibilitiesLead bring-up of newly fabricated circuit boards, including power-on, section-by-section checkout, and first-time hardware debug through root cause.Plan and execute design verification and validation campaigns, including high-speed link testing, power measurements, functional testing, and detailed documentation of results.Partner closely with hardware design engineers to identify issues and drive corrective actions into subsequent board revisions.Contribute to schematic capture and PCB layout activities for next-generation hardware as project priorities and bandwidth allow.Support RF and antenna engineering teams with validated hardware and assist with their measurement and characterization requirements.Troubleshoot board-level hardware issues using systematic debug methodologies and laboratory instrumentation.Support the complete hardware development lifecycle from design and fabrication through bring-up, validation, and manufacturing support.Required Qualifications8+ years of electrical engineering experience in board-level hardware design.Strong experience with schematic capture and complex, dense multilayer PCB designs.Solid understanding of power delivery, power distribution, and sequencing.Extensive hands-on laboratory experience with board bring-up, hardware debug, and validation.Proficiency with oscilloscopes, logic/protocol analyzers, and high-speed test and measurement equipment.Experience with high-speed digital interfaces and multi-gigabit SerDes technologies such as JESD204, PCIe, 25G+ Ethernet, DDR, or similar.Strong understanding of signal integrity and power integrity considerations.Demonstrated experience across the full hardware lifecycle: design → build → bring-up → validation → manufacturing support.BSEE, MSEE, or equivalent practical engineering experience.

GCS is acting as an Employment Business in relation to this vacancy.

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GCS is acting as an Employment Business in relation to this vacancy.

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