Principal Test Engineer

API Microelectronics Ltd.; Gorleston-on-Sea; On-site; GBP 70,000 - 110,000; Full time

Job summary

Spectrum Control in the United Kingdom is seeking a Principal Test Engineer to lead our test engineering function, defining strategies, standards and robust automated solutions across production and NPI. You will work closely with Manufacturing, Quality and Design to solve complex technical challenges and drive continuous improvement.

This role requires deep expertise in automated test equipment, fault finding, RCA and data analysis, with a track record of reducing cycle times, improving FPY and

Qualifications

• Degree or equivalent in Electrical/Electronic/Mechanical/Manufacturing engineering.
• Lean Six Sigma certification or experience is advantageous.
• Experience in a test engineering role within a manufacturing environment.

Responsibilities

• Define and develop test strategies, standards and best practices.
• Lead root cause investigations and implement corrective actions.
• Collaborate with Manufacturing, Production and Design to improve FPY and cycle times.
• Drive adoption of automated test equipment and measurement systems.

Skills

ATE

Fault finding

Root cause analysis

Measurement systems

Data analysis

Six Sigma

8D problem solving

Education

Engineering degree or equivalent

Job description

About the RoleWe are seeking an experienced and technically accomplished Principal Test Engineer to provide expert leadership across our test engineering function.As the recognised subject matter expert for testing technologies and methodologies, you will play a key role in developing and enhancing test solutions that support product quality, manufacturing efficiency, and operational excellence. Working closely with Manufacturing, Production, Quality, and Design teams, you will solve complex technical challenges, drive continuous improvement initiatives, and help shape the future of our test engineering capability.This is an excellent opportunity for a highly skilled engineer who enjoys combining strategic thinking with hands-on technical problem solving.Key ResponsibilitiesTechnical LeadershipProvide technical expertise and guidance on all aspects of test engineering.Define and develop test strategies, standards, and best practices.Support the design, validation, and deployment of robust test solutions.Drive adoption of innovative testing technologies and methodologies.Subject Matter ExpertiseAct as the lead technical specialist for complex test and equipment issues.Lead root cause investigations and implement effective corrective actions.Provide expertise in:Automated Test Equipment (ATE)Functional and end-of-line testingHardware and software integrationMeasurement systems and instrumentationSupport Design for Test (DfT) and New Product Introduction (NPI) activities.Operational ExcellenceCollaborate with manufacturing and production teams to improve:First Pass Yield (FPY)Equipment reliability and uptimeTest cycle timesOverall production efficiencyProvide support for troubleshooting and resolution of critical issues.Continuous ImprovementIdentify and implement opportunities for automation and process optimisation.Analyse test performance data to drive improvements.Lead projects focused on quality enhancement, cost reduction, and efficiency gains.Evaluate emerging technologies and recommend practical applications.Standards & ComplianceDevelop and maintain test specifications, procedures, and engineering standards.Ensure test processes meet appropriate quality, regulatory, and customer requirements.Support validation and qualification activities for new and existing test systems.Knowledge Sharing & MentoringDevelop and maintain technical documentation and testing best practices.Support capability development across engineering and technician teams.Mentor colleagues and provide technical coaching where required.Promote knowledge sharing and continuous learning within the organisation.What We're Looking ForQualificationsDegree, HND, HNC, or equivalent experience in Electrical, Electronic, Mechanical, Manufacturing, or related Engineering discipline.Lean Six Sigma certification or experience is advantageous.ExperienceSignificant experience in a test engineering role within a manufacturing environment.Proven track record of developing, implementing, and improving test systems and processes.Experience supporting production operations and resolving complex technical issues.Experience leading technical improvement projects and influencing cross-functional teams.Technical KnowledgeStrong understanding of automated test systems (ATE).Excellent fault-finding, diagnostic, and root cause analysis skills.Experience with measurement systems, instrumentation, and data analysis.Familiarity with structured problem-solving methodologies such as 8D, RCA, or Six Sigma.Personal AttributesStrong technical credibility and expertise.Excellent analytical and problem-solving skills.Ability to influence stakeholders and drive improvements without direct authority.Strong communication skills with the ability to engage at all levels of the organisation.Proactive, collaborative, and results-focused approach.Equal Opportunity Employer/Protected Veterans/Individuals with DisabilitiesThe contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)Third-Party RecruitersPlease note, that per Spectrum Control Policy, we do not accept unsolicited resumes from third-party recruiters unless such recruiters are engaged to provide candidates for a specified opening and in alignment with our values and expectations. Any employment agency, person or entity that submits an unsolicited resume does so with the understanding that Spectrum Control will have the right to hire that applicant at its discretion without any fee owed to the submitting employment agency, person or entity. If you or your agency are interested in becoming an approved vendor please contact [e-mail].