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Principal Platform Engineer (Cross Domain) @ Hackajob Ltd

Appold Street 9, YeovilOnsiteFull-time
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About this role

Salary: £61,000 - 101,000 per year

Requirements: 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.Windows and Linux operating systems.Virtualisation platforms, including VMware and Hyper-V.Cross-domain solutions: design and implementation of data transfer between security domains.Secure data handling and policy enforcement, including sanitisation, validation, and filtering.Implementation of controlled and auditable data transfer mechanisms.Networking concepts, including TCP/IP, DNS, DHCP, and firewalls.Automation and scripting, including PowerShell, Bash, Python, Ansible, and Terraform.Knowledge of cyber security controls and accreditation requirements.Experience across the systems engineering lifecycle.Design and assurance of secure data flows across trust boundaries.Delivery within highly controlled or secure environments, including cross-domain, air-gapped, and defence environments.This role is subject to pre-employment screening in line with the UK Governments Baseline Personnel Security Standard (BPSS).Additional Personnel Security Controls referred to as National Security Vetting (NSV) will apply.This role requires Developed Vetting (DV) clearance prior to starting. Responsibilities: Act as the technical authority on one or more platform engineering domains, 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. Technologies: AnsibleBashCloudHyper-VSupportLinuxPowerShellPythonSecurityTCP/IPTerraformVMwareWindowsAWSAzureCI/CDDevSecOpsDevOpsDockerKubernetes More:

hackajob is partnering directly with Leonardo to hire for this role. We offer a salary range of £53,269 - £71,400 under our grade-based salary framework, benchmarked against the external market. The role may involve a blended hybrid working model, with a mixture of working from home and working on site at one of our UK offices, including Yeovil, to support collaboration with our team and customers. We offer a comprehensive, company-funded benefits package that supports wellbeing, career development, and work-life balance, including generous leave with up to 12 additional flexi-days each year, an award-winning pension scheme with up to 15% employer contribution, free access to mental health support and financial advice, free access to 4,000 online courses via Coursera and LinkedIn Learning, and flexible benefits worth up to £500 annually for private healthcare, lifestyle discounts, and gym memberships. We are Leonardo, a global leader in Aerospace, Defence, and Security, headquartered in Italy, with over 53,000 people worldwide and 8,500 across 9 sites in the UK. We are committed to building an inclusive, accessible, and welcoming workplace where diversity drives innovation and better outcomes.

last updated 37 week of 2026

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