Principal Platform Engineer - PKI in Radstock

Principal Platform Engineer - PKI in Radstock

Radstock Full-Time 53269 - 71400 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead the design and delivery of secure platforms in a dynamic, team-focused environment.
  • Company: Join Leonardo, a leader in cyber and platform engineering with a collaborative culture.
  • Benefits: Competitive salary, generous leave, award-winning pension, and mental health support.
  • Other info: Flexible hybrid working model with excellent career development opportunities.
  • Why this job: Tackle complex challenges and make a real impact in defence and public sector services.
  • Qualifications: Extensive technical expertise in platform engineering and strong problem-solving skills.

The predicted salary is between 53269 - 71400 £ per year.

hackajob is partnering directly with Leonardo to hire for this role.

Salary Range: £53,269 - £71,400

Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.

Your Impact

Are you ready to take on complex technical challenges at the forefront of cyber and platform engineering? At Leonardo, our Principal Platform Engineers are hands-on experts who shape the design, integration, and delivery of secure platforms that keep our customers' missions running.

Your work at Leonardo UK will see you take the lead in solving customer problems in an agile, innovative and team-centric manner. The role may involve a blended hybrid working model, with a mixture of working from home and working on site at one of our Leonardo offices to ensure close collaboration with the wider team and with our customers.

Leonardo UK is seeking a Principal Platform Engineer to join the Cyber & Security Solutions Division team. This role is focused on delivering, maintaining, and improving platform and systems engineering solutions that underpin critical defence, government and public sector services.

What you will do as a Principal Platform Engineer:

  • Act as the technical authority on one of our platform engineering domains (e.g. virtualisation) providing specialist domain expertise to projects and programmes.
  • Lead the design and implementation of secure platforms across on-premise, hybrid, and cloud environments.
  • Capture, analyse, and interpret complex customer requirements to drive system design and architecture.
  • Develop high- and low-level designs, ensuring alignment with secure-by-design principles.
  • Take ownership of technical delivery within work packages, including planning, estimation, and progress reporting.
  • Mentor, coach, and develop junior and senior engineers, raising technical capability across the community.
  • Provide input to technology strategies, feasibility studies, and innovation projects.
  • Engage with internal and external stakeholders, presenting technical solutions and justifying design decisions.

What you'll bring:

  • Extensive technical expertise across multiple platform domains, with a track record of delivering secure solutions.
  • The ability to balance hands-on engineering with technical leadership and mentorship.
  • A problem-solving mindset, able to innovate and recommend the best approach for complex challenges.

Core areas (must have):

  • Windows and Linux operating systems
  • Virtualisation platforms (VMware, Hyper-V)
  • Public Key Infrastructure (PKI) design and implementation
  • Certificate lifecycle management (issuance, renewal, revocation)
  • Integration of PKI with enterprise platforms (Active Directory, applications, devices)
  • Understanding of cryptographic principles and secure communications
  • Networking concepts (TCP/IP, DNS, DHCP, firewalls)
  • Automation and scripting (PowerShell, Bash, Python, Ansible, Terraform)
  • Knowledge of cyber security controls and accreditation requirements
  • Experience across the systems engineering lifecycle
  • Design and assurance of trust models and certificate usage across systems
  • Delivery within highly controlled / secure environments (e.g. defence, air-gapped)

Desirable:

  • Expertise with cloud platforms (AWS, Azure) and Infrastructure as Code
  • Experience integrating enterprise services (Active Directory, identity, monitoring, SIEM)
  • Hands-on use of DevSecOps tools and CI/CD pipelines
  • Hardware Security Modules (HSMs) (e.g. Thales)
  • Cross-domain / secure communications environments
  • Automation of certificate management at scale
  • Containerisation platforms (Kubernetes, Docker)

Security Clearance

This role is subject to pre-employment screening in line with the UK Governments Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) will apply. This role requires Developed Vetting (DV) clearance prior to starting.

Why join us

At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company-funded benefits package that supports your wellbeing, career development, and work-life balance.

  • Time to Recharge: Generous leave with the opportunity to accrue up to 12 additional flexi-days each year.
  • Secure your Future: Award-winning pension scheme with up to 15% employer contribution.
  • Your Wellbeing Matters: Free access to mental health support.

Principal Platform Engineer - PKI in Radstock employer: Hackajob Ltd

JPMorgan Chase is an exceptional employer, offering a dynamic work environment where innovation and collaboration thrive. As a Lead Site Reliability Engineer, you will not only tackle complex challenges but also benefit from extensive professional development opportunities and a strong commitment to diversity and inclusion. Located in a global financial hub, you'll be part of a team that values your expertise and encourages a culture of continuous improvement and technical excellence.

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Contact Details:

Hackajob Ltd Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal Platform Engineer - PKI in Radstock

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We think you need these skills to ace Principal Platform Engineer - PKI in Radstock

Technical Authority in Platform Engineering
Windows Operating Systems
Linux Operating Systems
Virtualisation Platforms (VMware, Hyper-V)
Public Key Infrastructure (PKI) Design and Implementation
Certificate Lifecycle Management
Integration of PKI with Enterprise Platforms

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Hackajob Ltd.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Hackajob Ltd and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Hackajob Ltd

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Hackajob Ltd uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.