Principal Mechanical Engineer

2 days ago


Portsmouth Hampshire, United Kingdom Kingdom People - Professional Services Full time

Are you an experienced Principal Mechanical Engineer who enjoys solving complex technical problems, improving asset reliability and ensuring engineering systems are safe and compliant? We’re supporting a major organisation responsible for engineering governance, assurance and asset management across a large, highly regulated maritime estate in Portsmouth . You’ll join a specialist team of senior engineers who support mission-critical mechanical and saltwater systems, working in an environment where no two days are the same.
As a Principal Mechanical Engineer , you’ll be a key part of the Engineering, Assurance & Compliance team, providing technical leadership across mechanical systems, rotating machinery, hydraulic systems and saltwater infrastructure.
You’ll take ownership of complex engineering challenges, drive safe-to-operate assurance, and make sure assets are managed, maintained and developed in line with statutory and regulatory requirements.
Provide engineering governance and assurance for mechanical and saltwater systems
Own technical issues, produce safety management systems and unblock engineering problems
Review asset condition and present findings to asset owners
Support the development and implementation of maintenance strategies (including Condition & Risk-Based Maintenance)
Contribute to updates of Asset Management Plans and long-term improvement strategies
Collaborate with engineering teams to drive solutions and continuous improvement
Support efforts aligned with Net Zero Carbon engineering strategies
This is a senior-level engineering role where your decisions genuinely influence safety, reliability and strategic infrastructure planning.
To succeed as a Principal Mechanical Engineer , you’ll need:
Degree in Mechanical Engineering (or equivalent)
Significant experience in mechanical engineering within a regulated or infrastructure environment
Experience creating and implementing maintenance strategies
Knowledge of compliance requirements for mechanical systems within built or maritime estates
You think strategically, can explain complex engineering concepts clearly, and work well with both senior stakeholders and technical teams.
Driven by quality, safety and continuous improvement
25 days holiday + bank holidays
~ Enhanced pension scheme
~ Life assurance
~ Internal benefits & discounts programme
~ Cycle to Work scheme
~ Professional development & career progression
~ If you’re an experienced Principal Mechanical Engineer looking for a role where your expertise truly makes an impact, we’d love to hear from you.
Apply today — or reach out for a confidential chat.



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