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Hardware Engineer

L3Harris Technologies

Engineering Jobs

Hardware Engineer

full-timePosted: Jan 15, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title – Hardware Engineer

Job Location – Tewkesbury, UK

Job ID – 32223

About this opportunity and L3Harris UK

From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK and worldwide.

L3Harris in Tewkesbury is our HQ for our Intelligence & Cyber International division. In the land domain, our T7 and T4 multi-mission robots deliver next-generation remote capabilities and uncompromised performance. We design and manufacture world-leading land force protection systems, cyber and electromagnetic activities (CEMA), electronic warfare (EW) and encryption capabilities. Our cyber capabilities provide an information advantage in the fields of kinetic conflict, cyber warfare, force protection and counterterrorism.

We are seeking an experienced hardware engineer to join project teams of all sizes within our Information Resilience and Electronic Warfare departments.

You will engage and work alongside engineers of all disciplines who are passionate about technology and applying it to the nationally critical projects in which they work.

A few of our employee benefits are:

  • £3,000 to £6,000 DV Bonus – please note this level of clearance isn’t essential for this role. This bonus is subject to individual clearance and project requirements – discussed upon application.
  • Flexible or part-time working arrangements considered upon request
  • Half day finish on a Friday
  • 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
  • Private medical insurance with optional family cover
  • Pension scheme of up to 8% employer contribution
  • Life Assurance 4x salary (flexible up to 10x)
  • Group income protection
  • Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme
  • Employee Family Assistance Program providing mental health and wellbeing support
  • Professional membership reimbursement (discretionary)

What the role will involve

The responsibilities of your role will include the following:

  • Responsibility for the design and overall quality of complex electronic sub-systems.
  • Specification and design of circuits containing functionality including:
    • Multi-gigabit High Speed Serial channels (PCIE, 10G Ethernet, USB3 and JESD204B)
      - Memory (DDR3, DDR4, Flash)
      - Microprocessor (including ARM), FPGA (Xilinx, Intel) and MPSoC (Xilinx) - Power supply design including filtering / isolation, point of load and power sequencing
      - Clock tree including jitter specification
      - JTAG/Boundary Scan
  • Design analysis using industry standard tools such Siemens HyperLynx (SI / PI) and Spice.
  • Collaboration with support functions and wider engineering disciplines e.g. software, firmware, PCB and mechanical engineering.
  • Support of junior engineers through technical leadership and guidance.
  • Estimation, planning and execution of work to build business confidence, report progress and deliver projects.
  • Good understanding of the electronics component market and current offerings

What you’ll bring 

The role requires the following experience and skills:

  • Experience of high-speed digital and analogue hardware design, simulation, implementation and verification.
  • Experience in the integration and test of PCB assemblies and systems
  • Experience in requirements elicitation and management
  • Experience and knowledge of tools and techniques required to develop production-ready electronic products such as Design for Test, Design for Assembly and Design for Manufacture
  • Experience of Change Management systems (e.g. Aras PLM, Windchill) to manage component and products lifecycle data through the implementation for Problem Reports, Engineering Change Requests, etc.
  • Good technical documentation skills
  • An appreciation of RF circuit design, implementation and testing would be beneficial

Important to know

Due to the nature of our work many our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.

#SpecialistHardwareEngineer

#LI-RT1

L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.

Locations

  • Tewkesbury, ENG, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Experience of high-speed digital and analogue hardware design, simulation, implementation and verificationintermediate
  • Experience in the integration and test of PCB assemblies and systemsintermediate
  • Experience in requirements elicitation and managementintermediate
  • Experience and knowledge of tools and techniques required to develop production-ready electronic products such as Design for Test, Design for Assembly and Design for Manufactureintermediate
  • Experience of Change Management systems (e.g. Aras PLM, Windchill) to manage component and products lifecycle data through the implementation for Problem Reports, Engineering Change Requests, etc.intermediate
  • Good technical documentation skillsintermediate
  • An appreciation of RF circuit design, implementation and testing would be beneficialintermediate
  • Good understanding of the electronics component market and current offeringsintermediate

Required Qualifications

  • Experience of high-speed digital and analogue hardware design, simulation, implementation and verification (experience)
  • Experience in the integration and test of PCB assemblies and systems (experience)
  • Experience in requirements elicitation and management (experience)
  • Experience and knowledge of tools and techniques required to develop production-ready electronic products such as Design for Test, Design for Assembly and Design for Manufacture (experience)
  • Experience of Change Management systems (e.g. Aras PLM, Windchill) (experience)
  • Good technical documentation skills (experience)
  • Appreciation of RF circuit design (experience)

Responsibilities

  • Responsibility for the design and overall quality of complex electronic sub-systems
  • Specification and design of circuits containing functionality including: Multi-gigabit High Speed Serial channels (PCIE, 10G Ethernet, USB3 and JESD204B) - Memory (DDR3, DDR4, Flash) - Microprocessor (including ARM), FPGA (Xilinx, Intel) and MPSoC (Xilinx) – Power supply design including filtering / isolation, point of load and power sequencing - Clock tree including jitter specification - JTAG/Boundary Scan
  • Design analysis using industry standard tools such as Siemens HyperLynx (SI / PI) and Spice
  • Collaboration with support functions and wider engineering disciplines e.g. software, firmware, PCB and mechanical engineering
  • Support of junior engineers through technical leadership and guidance
  • Estimation, planning and execution of work to build business confidence, report progress and deliver projects

Benefits

  • general: £3,000 to £6,000 DV Bonus
  • general: Flexible or part-time working arrangements considered upon request
  • general: Half day finish on a Friday
  • general: 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
  • general: Private medical insurance with optional family cover
  • general: Pension scheme of up to 8% employer contribution
  • general: Life Assurance 4x salary (flexible up to 10x)
  • general: Group income protection
  • general: Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme
  • general: Employee Family Assistance Program providing mental health and wellbeing support
  • general: Professional membership reimbursement (discretionary)

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L3Harris Technologies logo

Hardware Engineer

L3Harris Technologies

Engineering Jobs

Hardware Engineer

full-timePosted: Jan 15, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title – Hardware Engineer

Job Location – Tewkesbury, UK

Job ID – 32223

About this opportunity and L3Harris UK

From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK and worldwide.

L3Harris in Tewkesbury is our HQ for our Intelligence & Cyber International division. In the land domain, our T7 and T4 multi-mission robots deliver next-generation remote capabilities and uncompromised performance. We design and manufacture world-leading land force protection systems, cyber and electromagnetic activities (CEMA), electronic warfare (EW) and encryption capabilities. Our cyber capabilities provide an information advantage in the fields of kinetic conflict, cyber warfare, force protection and counterterrorism.

We are seeking an experienced hardware engineer to join project teams of all sizes within our Information Resilience and Electronic Warfare departments.

You will engage and work alongside engineers of all disciplines who are passionate about technology and applying it to the nationally critical projects in which they work.

A few of our employee benefits are:

  • £3,000 to £6,000 DV Bonus – please note this level of clearance isn’t essential for this role. This bonus is subject to individual clearance and project requirements – discussed upon application.
  • Flexible or part-time working arrangements considered upon request
  • Half day finish on a Friday
  • 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
  • Private medical insurance with optional family cover
  • Pension scheme of up to 8% employer contribution
  • Life Assurance 4x salary (flexible up to 10x)
  • Group income protection
  • Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme
  • Employee Family Assistance Program providing mental health and wellbeing support
  • Professional membership reimbursement (discretionary)

What the role will involve

The responsibilities of your role will include the following:

  • Responsibility for the design and overall quality of complex electronic sub-systems.
  • Specification and design of circuits containing functionality including:
    • Multi-gigabit High Speed Serial channels (PCIE, 10G Ethernet, USB3 and JESD204B)
      - Memory (DDR3, DDR4, Flash)
      - Microprocessor (including ARM), FPGA (Xilinx, Intel) and MPSoC (Xilinx) - Power supply design including filtering / isolation, point of load and power sequencing
      - Clock tree including jitter specification
      - JTAG/Boundary Scan
  • Design analysis using industry standard tools such Siemens HyperLynx (SI / PI) and Spice.
  • Collaboration with support functions and wider engineering disciplines e.g. software, firmware, PCB and mechanical engineering.
  • Support of junior engineers through technical leadership and guidance.
  • Estimation, planning and execution of work to build business confidence, report progress and deliver projects.
  • Good understanding of the electronics component market and current offerings

What you’ll bring 

The role requires the following experience and skills:

  • Experience of high-speed digital and analogue hardware design, simulation, implementation and verification.
  • Experience in the integration and test of PCB assemblies and systems
  • Experience in requirements elicitation and management
  • Experience and knowledge of tools and techniques required to develop production-ready electronic products such as Design for Test, Design for Assembly and Design for Manufacture
  • Experience of Change Management systems (e.g. Aras PLM, Windchill) to manage component and products lifecycle data through the implementation for Problem Reports, Engineering Change Requests, etc.
  • Good technical documentation skills
  • An appreciation of RF circuit design, implementation and testing would be beneficial

Important to know

Due to the nature of our work many our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.

#SpecialistHardwareEngineer

#LI-RT1

L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.

Locations

  • Tewkesbury, ENG, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Experience of high-speed digital and analogue hardware design, simulation, implementation and verificationintermediate
  • Experience in the integration and test of PCB assemblies and systemsintermediate
  • Experience in requirements elicitation and managementintermediate
  • Experience and knowledge of tools and techniques required to develop production-ready electronic products such as Design for Test, Design for Assembly and Design for Manufactureintermediate
  • Experience of Change Management systems (e.g. Aras PLM, Windchill) to manage component and products lifecycle data through the implementation for Problem Reports, Engineering Change Requests, etc.intermediate
  • Good technical documentation skillsintermediate
  • An appreciation of RF circuit design, implementation and testing would be beneficialintermediate
  • Good understanding of the electronics component market and current offeringsintermediate

Required Qualifications

  • Experience of high-speed digital and analogue hardware design, simulation, implementation and verification (experience)
  • Experience in the integration and test of PCB assemblies and systems (experience)
  • Experience in requirements elicitation and management (experience)
  • Experience and knowledge of tools and techniques required to develop production-ready electronic products such as Design for Test, Design for Assembly and Design for Manufacture (experience)
  • Experience of Change Management systems (e.g. Aras PLM, Windchill) (experience)
  • Good technical documentation skills (experience)
  • Appreciation of RF circuit design (experience)

Responsibilities

  • Responsibility for the design and overall quality of complex electronic sub-systems
  • Specification and design of circuits containing functionality including: Multi-gigabit High Speed Serial channels (PCIE, 10G Ethernet, USB3 and JESD204B) - Memory (DDR3, DDR4, Flash) - Microprocessor (including ARM), FPGA (Xilinx, Intel) and MPSoC (Xilinx) – Power supply design including filtering / isolation, point of load and power sequencing - Clock tree including jitter specification - JTAG/Boundary Scan
  • Design analysis using industry standard tools such as Siemens HyperLynx (SI / PI) and Spice
  • Collaboration with support functions and wider engineering disciplines e.g. software, firmware, PCB and mechanical engineering
  • Support of junior engineers through technical leadership and guidance
  • Estimation, planning and execution of work to build business confidence, report progress and deliver projects

Benefits

  • general: £3,000 to £6,000 DV Bonus
  • general: Flexible or part-time working arrangements considered upon request
  • general: Half day finish on a Friday
  • general: 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
  • general: Private medical insurance with optional family cover
  • general: Pension scheme of up to 8% employer contribution
  • general: Life Assurance 4x salary (flexible up to 10x)
  • general: Group income protection
  • general: Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme
  • general: Employee Family Assistance Program providing mental health and wellbeing support
  • general: Professional membership reimbursement (discretionary)

Target Your Resume for "Hardware Engineer" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Hardware Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Hardware Engineer" , L3Harris Technologies

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

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Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Answer 10 quick questions to check your fit for Hardware Engineer @ L3Harris Technologies.

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