RF Test & Lab Technician

Alaris COJOT, founded in 1986, is a well‑respected Finnish company designing and developing antennas for tactical communication, electronic warfare and spectrum monitoring applications. Our range of wide and narrow band antennas includes advanced "SMART Antenna" solutions such as Steerable Beam and Mission Adaptive Antennas.

Alaris COJOT is seeking an experienced RF Test & Lab Technician to help maintain our reputation for global excellence in RF systems.

In this role, you will be the backbone of our laboratory operations, responsible for the integrity of our prototypes, the precision of our testing, and the organization of our technical infrastructure. We value problem‑solvers who take ownership of their environment and thrive in a fast‑paced, collaborative engineering setting. 1.

Position Overview

Reporting to: Engineering Manager

2. Requirements Education

• Minimum (Essential): Diploma in engineering or technical field
• Minimum (Suggested): Degree in engineering or technical field

Experience

• Minimum
  
  Work Experience:
  
  5 years
• Required Nature of
  
  Experience:
  
  Experience in operational / manufacturing positions

Computer Literacy

• Essential: Microsoft Office Tools (Excel, Word, Outlook, Teams, PowerPoint);
  Ability to operate and interact with software used for laboratory and test equipment, such as:
• Vector Network Analyzer (VNA) software
• Spectrum analyser and signal generator interfaces
• Data capture and measurement tools
• Suggested: MATLAB
• Finnish: An advantage

Top 3 Attributes

• Demonstrates a practical, hands‑on approach to engineering and laboratory work
• Applies logical, step‑by‑step problem‑solving in troubleshooting and fault‑finding within defined scope
• Communicates clearly and proactively, especially when identifying issues, uncertainties, or improvement opportunities

Other Characteristics (Values & Competency Frameworks)

• Reliable and takes ownership of assigned tasks, ensuring completion with minimal supervision
• Works with strong attention to detail, ensuring accuracy in assembly, testing, and documentation
• Maintains a structured and organized working style, including lab environment, tools, and task tracking
• Collaborates effectively with design engineers, recognising their technical ownership and providing support accordingly
• Shows willingness to learn and develop new skills, particularly in testing methods and tools over time

3. Key Performance Areas (KPA), Weights, and Tasks

Prototype Assembly & Hands‑on Engineering Support

Weight: 25%

• Build, assemble, and rework engineering prototypes in close collaboration with the responsible design engineer.
• Support the design engineer during prototype builds, ensuring alignment with design intent.
• Perform cable assembly, including wire harness preparation and termination.
• Carry out PCB population and soldering.
• Assist with antenna and mechanical assembly of products and prototypes.
• Use Assembly Instructions prepared by the design engineer.
• Verify clarity and completeness of Assembly Instructions during builds.
• Provide feedback on ambiguities or missing steps in Assembly instructions.

Weight: 20%

• Maintain a clean, organized laboratory and storage environment.
• Organize tools, components, and equipment.
• Responsible to manage consumables and stock levels.
• Coordinate equipment calibration and maintenance.
• Ensure compliance with ESD and safety procedures.

Measurement & Test Support

Weight: 15%

• Support antenna and RF measurements.
• Assist with test setups and configurations.
• Execute predefined measurement procedures.
• Maintain measurement setups and equipment.

Weight: 10%

• Manage RMA intake and tracking.
• Document findings and elevate where required.

Weight: 10%

• Provide support to production and contract manufacturers, including production test limits setting (in conjunction with design engineer), maintenance and upgrades of production test equipment.
• Assist with assembly and integration challenges.
• Travel to suppliers when required.

Documentation & Process Support

Weight: 10%

• Support preparation of Assembly Instructions and documentation.
• Assist in the development of lab SOPs.
• Improve usability of documentation.
• Develop induction and training material on lab facilities and equipment.

Continuous Improvement & Capability Development

Weight: 10%

• Suggest improvements to lab and build processes.
• Develop simple fixtures and tooling.
• Develop skills in structured testing and maintaining basic test scripts over time.
• Support improvements in test efficiency and repeatability.

Ad Hoc

• Any other duties as required by your supervisor.

Take note before applying

This position is based on-site at our Centurion office (in South Africa) and requires in‑person attendance. Candidates should be prepared to work from this location, as remote or hybrid arrangements are not available at this stage.

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