Plant Performance Engineer

ALTEN; Derby; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering firm in Derby is seeking a Plant Performance Engineer to enhance energy systems within nuclear programs. The role involves thermodynamic modelling, cost analysis, and systems engineering. Ideal candidates should have degrees in Mechanical Engineering, Energy Systems, or related fields, and be experienced in regulated sectors. Competitive salary and unique benefits included.

Benefits

Competitive salary

Private medical insurance

Pension scheme

Cycle-to-work scheme

Flexible working arrangements

Social events

Qualifications

• Strong technical background in thermodynamics or energy systems.
• Experience in nuclear, power generation, or regulated sectors is preferred.
• Knowledge of nuclear safety principles and design compliance is a plus.

Responsibilities

• Perform thermodynamic modelling and energy performance analysis.
• Support Levelised Cost of Energy calculations and carbon accounting.
• Contribute to requirements management using IBM DOORS.
• Engage in system-level design integration and energy optimisation.
• Collaborate with teams across the lifecycle.

Skills

Thermodynamic modelling

Systems engineering

Analytical thinking

Passion for engineering

Education

Degree in Mechanical Engineering

Degree in Systems Engineering

Degree in Energy Systems

Degree in Physics

Tools

IBM DOORS

Job description

As a Plant Performance Engineer, you will play a critical role in supporting the technical assessment and optimisation of energy systems within a high-profile nuclear programme. This role involves performance modelling, cost analysis, and systems engineering to ensure the development of efficient, cost-effective, and compliant low-carbon energy solutions.

Your main responsibilities will include:

• Perform thermodynamic modelling and energy performance analysis of complex nuclear systems
• Support Levelised Cost of Energy calculations and carbon accounting
• Contribute to requirements management using tools like IBM DOORS
• Engage in system-level design integration and energy optimisation
• Collaborate with engineering, regulatory, and environmental teams to support decision-making across the lifecycle

Who are we looking for?

We seek analytical, systems-focused engineers passionate about energy innovation, with a strong grounding in thermodynamics or energy systems. Experience in nuclear, power generation, or similarly regulated sectors is preferred.

You are...

• Passionate about engineering
• Result-oriented
• Proactive

Qualifications required:

• Degree in Mechanical Engineering, Systems Engineering, Energy Systems, Physics, or a related field
• Strong technical background in thermodynamics, fluid systems, or industrial energy
• Familiarity with IBM DOORS or other requirements management tools
• Knowledge of nuclear safety principles and design compliance is a plus

Why join us?

We foster a community of talented individuals who are both entrepreneurs and technology specialists, committed to innovation and sustainable growth. We offer opportunities to work on inspiring projects with leading companies, supported by personalized career development plans, mentoring, and internal training programs.

Benefits include a competitive salary, private medical insurance, pension scheme, cycle-to-work scheme, social events, flexible working arrangements (role-dependent), and more.

Join our passionate team and help build the future of energy today!