Internal Sales Engineer (Instrumentation, JHB)

Square 1 Recruitment; Sandton; On-site; ZAR 420,000 - 540,000; Full time

Benefits offered by this job

Medical aid

Pension

Commission

Career development opportunities

Job summary

Square 1 Recruitment is seeking an Internal Sales Engineer for the Gauteng region to support customers with industrial instrumentation solutions and technical sales guidance. The role involves preparing technical quotations, handling RFQs, and coordinating with Logistics for smooth order fulfilment.

The candidate will work closely with External Sales Engineers, develop key accounts, and identify upsell opportunities while maintaining accurate CRM records and following through through to order

Qualifications

• 3–5 years in a technical sales environment with instrumentation.
• Matric plus a National Diploma, N6 or Trade Test in Instrumentation.
• Strong ability to interpret customer requirements and propose solutions.
• Experience preparing technical quotations and handling RFQs.
• Proficient with MS Office and CRM systems; SAP is a plus.

Responsibilities

• Respond to customer enquiries and RFQs with appropriate instrumentation solutions.
• Prepare accurate technical quotations based on applications.
• Follow up on quotations and convert opportunities into orders.
• Coordinate with Logistics to ensure order fulfilment.
• Maintain customer records and sales pipelines in CRM.
• Collaborate with Projects, Service, Logistics and Finance to resolve requirements.
• Develop customer relationships and upsell/cross-sell.
• Support sales targets and contribute to customer growth.

Skills

Technical sales experience

CRM systems

SAP experience

MS Office

Process instrumentation knowledge

Customer service / communication

Education

National Diploma in Instrumentation

N6 or Trade Test in Instrumentation

Tools

CRM systems

SAP

Job description

Internal Sales Engineer (Instrumentation, JHB)

Sandton, South Africa | Posted on 14/10/2026

Do you have a solid technical understanding of industrial process instrumentation , combined with experience in technical sales or customer support?

Our client, an established international market leader in process measurement and instrumentation technology, is looking for a technically competent Internal Sales Specialist to join their Gauteng sales operation.

This is an opportunity to represent a respected portfolio of specialist instrumentation products, working closely with customers and External Sales Engineers to provide technical advice, identify suitable solutions and convert enquiries into business.

Key Responsibilities

Respond to customer enquiries and RFQs, recommending appropriate instrumentation products and solutions.

Prepare accurate technical quotations based on customer applications and requirements.

Follow up on quotations, convert opportunities into orders and support sales targets.

Process incoming customer purchase orders and coordinate with Logistics to ensure smooth order fulfilment.

Keep customers informed of order progress, deliveries and outstanding enquiries.

Work closely with External Sales Engineers to develop customer relationships and grow existing accounts.

Identify opportunities to upsell and cross-sell complementary products and services.

Maintain accurate customer records, sales opportunities and follow-up activities using CRM systems.

Collaborate with Projects, Service, Logistics and Finance to resolve customer requirements and challenges.

Contribute to customer growth, sales performance and overall customer satisfaction.

Requirements

Matric plus a National Diploma, N6 or Trade Test in Instrumentation and Automation.

3–5 years' experience in a technical sales environment , ideally involving industrial process instrumentation.

Sound technical knowledge of field instrumentation and its application in industrial processes.

Ability to interpret customer requirements and recommend appropriate technical products and solutions.

Experience preparing technical quotations, handling RFQs and following up on sales opportunities.

Good computer skills, including MS Office and CRM systems; SAP experience would be beneficial.

Strong customer service, communication, organisational and administrative skills.

Practical field experience with process instrumentation would be advantageous.

Valid driver's licence.

Salary & Benefits

• Competitive salary structure including basic salary, medical aid, pension, and commission
• Opportunity to work with industry-leading technologies and solutions
• Clear career development within a structured, performance-driven environment
• Exposure to cross-functional collaboration across projects, service, and logistics teams
• Ongoing, industry-leading training and development

How to Apply

If you’re a technically minded sales professional looking to advance your career in a dynamic and customer-focused environment, we’d love to hear from you. Submit your CV today to be considered.

Disclaimer

By applying for this position, you consent to the processing of your personal information in accordance with the Protection of Personal Information Act (POPIA) for recruitment purposes.