Electrical AIT Technician

SII Group UK; Portsmouth; On-site; GBP 42,000 - 56,000; Full time

Job summary

SII Group UK is seeking an Electrical AIT Technician to support the integration, validation and operational testing of spacecraft and payload systems throughout the assembly, integration and test lifecycle. This hands-on role operates in cleanroom environments to ensure safe, compliant test operations and timely delivery of mission-critical space hardware.

You will execute electrical integration and test operations, configure EGSE, perform health checks and record results, while contributing to

Qualifications

• Electrical integration and test experience in a complex engineering environment.
• Ability to perform electrical measurements, fault diagnosis and troubleshooting.
• Experience reviewing wiring information and integration procedures.
• Knowledge of validation and verification processes.

Responsibilities

• Execute electrical integration and test operations on spacecraft and payload equipment.
• Configure, validate and operate Electrical Ground Support Equipment (EGSE).
• Verify and validate test aids, harnesses and supporting equipment.
• Perform electrical equipment installation, connections and health checks.
• Conduct functional, performance and system-level validation tests.
• Record and report test results, anomalies and non-conformances.

Skills

Electrical integration & test

Functional & validation tests

Electrical measurements & fault diag

Documentation review

System validation & verification

Regulated environment experience

Tools

Python

TCL

SQL

MATLAB

VBA

Microsoft Office

SAP

Job description

We are seeking an ELECTRICAL AIT TECHNICIAN to support the integration, validation and operational testing of spacecraft and payload systems throughout the assembly, integration and test lifecycle. This hands‑on role involves executing electrical integration activities, validating test equipment. Working within cleanroom environments, the successful candidate will ensure safe and compliant test operations while contributing to anomaly resolution, process improvement and delivery of mission‑critical space hardware.

Roles & Responsibilities

• Execute electrical integration and test operations on spacecraft and payload equipment.
• Configure, validate and operate Electrical Ground Support Equipment (EGSE).
• Verify and validate test aids, harnesses and supporting equipment before use.
• Perform electrical equipment installation, connection and health checks.
• Execute functional, performance and system‑level validation tests.
• Support testing in cleanroom and environmental test facilities, including:
• Thermal vacuum testing
• EMC testing
• Vibration testing
• Final acceptance testing
• Support launch campaign preparation and final spacecraft configuration activities.
• Conduct electrical measurements and diagnostics using test instruments such as oscilloscopes, voltmeters and ohmmeters.
• Record and report test results, anomalies and non‑conformances.
• Produce red‑lined procedures and as‑run documentation.
• Ensure traceability records are completed accurately.
• Participate in lessons learned and continuous improvement activities.
• Follow quality, safety and operational procedures at all times.
• Generate activity reports and provide status updates against operational schedules.

Skills Required

• Electrical integration and test experience within a complex engineering environment.
• Experience executing functional and validation test procedures.
• Understanding of electrical systems, power systems and electronic hardware.
• Ability to perform electrical measurements, fault diagnosis and troubleshooting.
• Experience reviewing technical documentation, wiring information and integration procedures.
• Knowledge of system validation and verification processes.
• Experience working in controlled or regulated environments.
• Software & Tools (experience with some or all of):
• Python
• TCL
• SQL
• MATLAB
• VBA
• Applications:
• Microsoft Office
• SAP
• Engineering work management and test execution tools
• Operating Systems:
• Linux / Unix
• Windows
• Equipment:
• Oscilloscope
• Micro‑ohmmeter
• Megohmmeter
• Electrical test and measurement equipment

Additional Requirements

• Ability to work within cleanroom environments.
• Eligible to obtain the required security clearances.

With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high‑impact engineering solutions.

SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission‑critical programmes while helping to shape the future of innovation across next‑generation systems and technologies.

Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.

True to our human‑centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.

Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.

Who are we?

With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high‑impact engineering solutions.

SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission‑critical programmes while helping to shape the future of innovation across next‑generation systems and technologies.

Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.

True to our human‑centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.

Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.