Senior Systems Engineer

L3HHCM20
Full_timeUnited Kingdom

📍 Job Overview

  • Job Title: Senior Systems Engineer
  • Company: L3Harris UK
  • Location: Barrow-In-Furness, UK
  • Job Type: Hybrid (60% on-site)
  • Category: Systems Engineering
  • Date Posted: 2025-06-12
  • Experience Level: Mid-Senior level (5-10 years of experience)

🚀 Role Summary

  • Key Responsibilities: Technical planning, system integration, verification, validation, cost and risk analysis, supportability and effectiveness analyses for total systems.
  • Key Skills: Systems Engineering, Technical Planning, System Integration, Verification and Validation, Cost and Risk Analysis, Requirements Allocation, Functional Analysis, IT Skills, Product Development, Systems Concepts, Engineering Processes, Stakeholder Engagement, Supplier Evaluation, Design Reviews, Problem Solving, Communication Skills.
  • Education: Equivalent of Bachelor's Degree or higher, with a minimum of 6 years of relevant experience.
  • Technologies: DOORS (preferred), System Architect, Rhapsody (beneficial).

💻 Primary Responsibilities

🔹 Systems Engineering & Analysis

  • Perform technical planning, system integration, verification, and validation for total systems.
  • Conduct cost and risk analysis, supportability, and effectiveness analyses.
  • Ensure compliance with design specifications and customer requirements.
  • Perform functional analysis, timeline analysis, detail trade studies, requirements allocation, and interface definition studies.
  • Review verification evidence from key suppliers and support lower-level decomposition of requirements.
  • Produce acceptance and selection criteria and evaluate supplier responses.
  • Support design reviews and workshops to gain acceptance of company designs from customer and project team stakeholders.
  • Capture voids in designs and present them to stakeholders.

🎓 Skills & Qualifications

📚 Education & Experience

  • Equivalent of Bachelor's Degree or higher in a relevant field.
  • Minimum 6 years of relevant experience in early lifecycle product development.

💻 Technical Skills

  • Excellent IT skills, with experience using DOORS (preferred), System Architect, or Rhapsody (beneficial).
  • Strong understanding of systems concepts, context, boundaries, interfaces, system hierarchy, and principles of system partitioning.
  • Excellent understanding of engineering processes and stakeholder engagement.
  • Experience in supplier evaluation, design reviews, problem-solving, and communication skills.

🏆 Certifications & Clearances

  • UK nationality and the ability to obtain a security clearance are required for this role.
  • Applicants must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • Demonstrate a strong understanding of systems engineering principles and processes.
  • Showcase experience in technical planning, system integration, verification, and validation.
  • Highlight skills in cost and risk analysis, supportability, and effectiveness analyses.
  • Present examples of functional analysis, timeline analysis, detail trade studies, requirements allocation, and interface definition studies.
  • Include examples of supplier evaluation, design reviews, problem-solving, and communication skills.

Technical Documentation:

  • Provide detailed documentation of systems engineering processes, including design specifications, customer requirements, and verification evidence.
  • Include examples of acceptance and selection criteria, as well as evaluation of supplier responses.
  • Showcase experience in capturing voids in designs and presenting them to stakeholders.

💵 Compensation & Benefits

Salary Range: Competitive salary package, with regional adjustments for Barrow-In-Furness, UK.

Benefits:

  • Hybrid working (60% on-site).
  • Half day finish on a Friday.
  • 25 days holiday per year (plus bank holidays), with the opportunity to buy/sell up to 5 days.
  • Private medical insurance with optional family cover.
  • Pension scheme of up to 7% 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 assistance program providing mental health and wellbeing support.

Working Hours: Full-time (40 hours per week), with flexible working hours and project deadline-driven maintenance windows.

🎯 Team & Company Context

🏢 Company Culture

Industry: Defense and aerospace.

Company Size: Medium to large (nearly 1,000 employees across 11 UK sites).

Founded: L3Harris UK was established in 2019, following the merger of L3 Technologies and Harris Corporation.

Team Structure:

  • The Systems Engineering team is part of the larger Engineering and Technology division, working closely with other teams such as Software Engineering, Mechanical Engineering, and Electrical Engineering.
  • The team consists of systems engineers, systems architects, and software engineers, collaborating on various projects to deliver unique capabilities across space, air, land, sea, and cyber domains.

Development Methodology:

  • The team follows Agile methodologies, with sprint planning, code reviews, testing, and quality assurance practices in place.
  • They use CI/CD pipelines for automated deployment and continuous integration, ensuring high-quality and efficient software delivery.
  • The team works closely with cross-functional teams, including designers, marketers, and business teams, to ensure user-focused and market-driven solutions.

Company Website: https://www.l3harris.com/

📈 Career & Growth Analysis

Web Technology Career Level: Senior Systems Engineer, responsible for leading technical planning, system integration, verification, and validation efforts for total systems. This role requires a strong understanding of systems engineering principles, excellent IT skills, and experience in early lifecycle product development.

Reporting Structure: Reports directly to the Systems Engineering Manager, collaborating with other senior engineers, software engineers, and project managers to deliver complex systems engineering projects.

Technical Impact: The Senior Systems Engineer plays a crucial role in ensuring the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. They work closely with stakeholders to define system requirements, allocate requirements, and manage system interfaces, ultimately driving the successful delivery of complex systems engineering projects.

Growth Opportunities:

  • Technical Leadership: With experience, the Senior Systems Engineer may progress to a Principal Systems Engineer or Systems Engineering Manager role, leading teams and driving strategic decision-making.
  • Technical Specialization: The role offers opportunities to specialize in specific domains, such as cybersecurity, autonomous systems, or emerging technologies, further enhancing the engineer's expertise.
  • Cross-functional Collaboration: Working closely with other teams, such as software engineering, mechanical engineering, and electrical engineering, provides opportunities to develop a broad understanding of the entire system lifecycle and enhance career growth potential.

🌐 Work Environment

Office Type: Hybrid office environment, with a requirement to be on-site 60% of the time across the month.

Office Location(s): Barrow-In-Furness, UK, with additional offices in Bristol, Burgess Hill, and other UK locations.

Workspace Context:

  • The Barrow-In-Furness office is a modern, collaborative workspace designed to facilitate team interaction and knowledge sharing.
  • The office is equipped with state-of-the-art tools, multiple monitors, and testing devices to support the development and testing of complex systems engineering projects.
  • The workspace encourages cross-functional collaboration, with dedicated spaces for team meetings, workshops, and training sessions.

Work Schedule: Flexible working hours, with project deadline-driven maintenance windows and on-site requirements. The team follows a standard working week of Monday to Friday, with core hours of 9:00 AM to 5:00 PM.

📄 Application & Technical Interview Process

📝 Interview Process

  1. Online Application Review: The hiring team will review your application, focusing on your relevant experience, skills, and education.
  2. Phone Screen: A brief phone call to discuss your application, experience, and career goals.
  3. Technical Interview: A deeper dive into your technical skills, with a focus on systems engineering principles, processes, and problem-solving abilities. Expect questions on technical planning, system integration, verification, validation, cost and risk analysis, and stakeholder engagement.
  4. Behavioral Interview: An assessment of your soft skills, team fit, and cultural alignment with L3Harris UK.
  5. Final Interview: A meeting with the hiring manager and other senior team members to discuss your career aspirations, fit, and next steps.

📝 Portfolio Review Tips

  • Highlight your understanding of systems engineering principles and processes.
  • Showcase your experience in technical planning, system integration, verification, and validation.
  • Include examples of cost and risk analysis, supportability, and effectiveness analyses.
  • Demonstrate your ability to perform functional analysis, timeline analysis, detail trade studies, requirements allocation, and interface definition studies.
  • Present examples of supplier evaluation, design reviews, problem-solving, and communication skills.

📝 Technical Challenge Preparation

  • Brush up on your systems engineering fundamentals, with a focus on technical planning, system integration, verification, and validation.
  • Familiarize yourself with cost and risk analysis, supportability, and effectiveness analyses.
  • Prepare for questions on functional analysis, timeline analysis, detail trade studies, requirements allocation, and interface definition studies.
  • Practice problem-solving techniques and communication skills to effectively articulate your solutions and approach to systems engineering challenges.

📝 ATS Keywords

Programming Languages & Tools:

  • DOORS (preferred), System Architect, Rhapsody (beneficial)
  • Python, C, C++, Java, or other relevant programming languages
  • JIRA, Confluence, or other project management tools
  • Git, GitHub, or other version control systems

Web Technologies & Frameworks:

  • HTML, CSS, JavaScript (for web-based user interfaces and tools)
  • RESTful APIs and microservices architecture

Server Technologies & Platforms:

  • Linux, Windows, or other relevant operating systems
  • Cloud platforms (AWS, Azure, Google Cloud, or other relevant cloud services)
  • Containerization (Docker, Kubernetes, or other relevant containerization technologies)

Databases & Data Management:

  • Relational databases (MySQL, PostgreSQL, or other relevant databases)
  • NoSQL databases (MongoDB, Cassandra, or other relevant NoSQL databases)
  • Data analysis and visualization tools (Tableau, Power BI, or other relevant data analysis and visualization tools)

Industry-specific Terms & Concepts:

  • Systems Engineering, Technical Planning, System Integration, Verification, Validation, Cost and Risk Analysis, Supportability, Effectiveness, Functional Analysis, Timeline Analysis, Detail Trade Studies, Requirements Allocation, Interface Definition, Supplier Evaluation, Design Reviews, Problem Solving, Communication Skills, Stakeholder Engagement, Agile Methodologies, CI/CD Pipelines, Security Clearance, Right to Work, Eligibility Requirements, Access to Classified Information.

📌 Application Steps

To apply for this Senior Systems Engineer position at L3Harris UK:

  1. Submit Your Application: Visit the L3Harris UK careers website and submit your application through the application link provided.
  2. Tailor Your Portfolio: Customize your portfolio to highlight your understanding of systems engineering principles, processes, and relevant project examples.
  3. Optimize Your Resume: Ensure your resume emphasizes your relevant experience, skills, and education, with a focus on web development and server administration keywords.
  4. Prepare for Technical Interview: Brush up on your systems engineering fundamentals, practice problem-solving techniques, and familiarize yourself with the interview process and ATS keywords.
  5. Research the Company: Learn about L3Harris UK's industry, company culture, and team structure to ensure a strong fit and informed interview preparation.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates should have a Bachelor's degree or equivalent and a minimum of 6 years of relevant experience. A strong understanding of systems engineering fundamentals and excellent IT skills are essential.