About The Company
A well-established engineering business specialising in the design and delivery of advanced test and measurement systems for highly regulated industries.
The company has built a strong reputation for delivering bespoke engineering solutions, supported by a stable and experienced team and long-term customer relationships. The position has become available due to the planned retirement of a long-standing employee, reflecting the organisation’s strong staff retention and continuity.
The Role
This Senior Systems Engineer – Test & Instrumentation position is a hands-on engineering role focused on the design and delivery of bespoke test systems and instrumentation solutions.
Working across the full project lifecycle, the Senior Systems Engineer – Test & Instrumentation will be responsible for interpreting customer requirements and developing integrated electrical, instrumentation, and control systems for specialist applications.
This role would suit a Systems Engineer, Test Engineer, or Instrumentation Engineer looking to work on complex, one-off engineering systems.
Key Duties:
* Interpret customer requirements and translate into engineering solutions
* Design electrical and instrumentation systems for bespoke applications
* Develop system architectures integrating hardware, control systems, and software
* Produce technical specifications, drawings, and test procedures
* Support system integration, testing, and commissioning
* Work closely with customers throughout project delivery
* Contribute to continuous improvement of engineering systems and processes
Benefits:
* Competitive salary (£55,000 – £75,000)
* Discretionary annual bonus
* Stable, long-established engineering environment
* Opportunity to work on bespoke, technically challenging systems
* High level of autonomy and ownership
Location: Hertfordshire (Hemel Hempstead area)
Commutable from: St Albans, Watford, Luton, Stevenage, Milton Keynes, North London
Candidates
The Senior Systems Engineer – Test & Instrumentation role would suit an experienced engineer with a background in systems engineering, instrumentation, or test environments, ideally within bespoke or R&D-focused engineering projects.
You will be comfortable working across disciplines, with the ability to interpret requirements and develop practical engineering solutions.
Key Requirements:
* HNC/HND or Degree in Electrical, Instrumentation, or Systems Engineering
* Experience working on test systems, instrumentation, or bespoke engineering projects
* Strong understanding of system integration (electrical, instrumentation, control)
* Ability to interpret technical requirements and translate into design solutions
* Experience supporting commissioning, testing, and system validation
* Strong communication skills and ability to work directly with customers
Desirable:
* Experience with data acquisition or test environments
* Exposure to LabVIEW or similar platforms
* Background in aerospace, defence, or other regulated industries
Suitable Backgrounds / Job Titles May Include:
* Systems Engineer
* Test Engineer (Senior)
* Instrumentation Engineer
* Integration Engineer
* Controls Engineer
* Electrical Design Engineer (Controls / Systems)
Diagonal J Ltd is acting as a recruitment agency in relation to this vacancy. We are committed to equal opportunities and welcome applications from all suitably qualified candidates regardless of age, disability, gender identity, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, or sexual orientation
Salary description
£55000.00 - £75000.00 per year