Senior Mechanical Engineer in Sheffield, South Yorkshire

Energy Jobline CVL; Sheffield; On-site; GBP 50,000 - 65,000; Full time

Job summary

A leading engineering recruitment platform is seeking a Senior Mechanical Engineer to lead innovative solutions in Sheffield. The ideal candidate will have substantial experience in mechanical design engineering, overseeing complex projects from concept through commissioning, and be proficient in 3D CAD software such as SolidWorks and Inventor. This role offers a competitive salary of £50-65K, commensurate with experience, along with benefits.

Benefits

Competitive salary

Benefits package

Qualifications

• Significant experience in mechanical design engineering in a project-led environment.
• Proven track record in complex engineering projects from concept to commissioning.
• Knowledge of mechanical principles and manufacturing methods.

Responsibilities

• Lead mechanical engineering activities across multiple projects.
• Own and approve mechanical designs for alignment with objectives.
• Manage design phase budgets and deliver timelines.

Skills

Mechanical principles

3D CAD proficiency

Project management

Cross-department communication

Tools

SolidWorks

Inventor

Job description

Overview

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Position

Senior Mechanical Engineer

Location: Sheffield

Salary: £50-65K, commensurate with experience + benefits

Role Summary

As a Senior Mechanical Engineer you will lead the delivery of innovative and compliant mechanical engineering solutions across our client’s complex and high-value projects. This senior position provides technical leadership and design authority across the full project lifecycle—from concept development through to commissioning—ensuring all mechanical designs meet exacting standards for safety, quality, functionality, and cost.

As a key technical expert, the Senior Mechanical Engineer plays a strategic role in driving engineering excellence, approving critical design deliverables, and supporting commercial decision-making. The role combines technical depth with commercial awareness, requiring the ability to manage design budgets, influence client outcomes, and contribute to business performance.

Key Responsibilities

• Technical Leadership
• Lead mechanical engineering activities across multiple projects, from concept to completion.
• Own and approve detailed mechanical designs, ensuring alignment with performance, safety, compliance, and cost objectives.
• Act as a technical authority on projects, providing direction, mentorship, and guidance to engineers and designers.
• Sign off on design outputs including calculations, drawings, substantiation reports, and compliance documentation.

• Engineering Design & Delivery
• Deliver robust, validated designs that align with client specifications, legislative standards, and internal design procedures.
• Balance innovative engineering with pragmatic, commercially viable solutions that consider cost, risk, and lifecycle performance.
• Optimise use of bespoke, COTS, and MOTS components to meet technical and commercial requirements.
• Approve and oversee the creation of technical documentation including: CE technical files and compliance documentation; functional specifications and test plans; design risk assessments; substantiation reports and engineering calculations; 3D models and 2D drawings (GAs, sub-assemblies, detailed parts).

• Commercial & Budget Responsibility
• Manage and monitor design phase budgets, resource allocation, and delivery timelines.
• Support project bids and proposals with technical input and engineering estimates.
• Identify cost drivers within the design and propose value engineering options where appropriate.
• Contribute to project profitability through efficient, scalable, and compliant design solutions.

• Cross-Functional Collaboration
• Work closely with project managers, software, EC&I, procurement, manufacturing, and test teams to deliver fully integrated solutions.
• Provide technical leadership during design reviews, gate checks, and multi-disciplinary design coordination meetings.
• Support the commissioning and installation teams with design queries, changes, and technical documentation.
• Act as a point of contact for clients on mechanical engineering matters, supporting stakeholder confidence and project outcomes.

• Compliance & Validation
• Ensure designs comply with industry standards, safety legislation, and regulatory frameworks (e.g. CE, UKCA, Machinery Directive).
• Validate and approve design outputs through calculations, simulation, or physical testing.
• Oversee FAT/SAT preparation, prototype testing, and ensure system validation aligns with contractual and legislative requirements.

• Mentorship & Development
• Support the growth and development of junior engineers through coaching, technical oversight, and knowledge sharing.
• Promote engineering best practices and continuous improvement within the mechanical design function.

Skills & Experience Required

• Significant experience in mechanical design engineering within a technically demanding, project-led environment.
• Proven track record of delivering complex engineering projects from concept to commissioning.
• Strong knowledge of mechanical principles, materials, manufacturing methods, and design for assembly.
• High proficiency in 3D CAD (e.g., SolidWorks, Inventor) and 2D drawing production to industry standards.
• Experience approving technical documentation for compliance and client submission.
• Commercial awareness with the ability to manage budgets, assess cost implications, and contribute to tendering.
• Skilled in producing and reviewing engineering calculations and substantiation reports.
• Confident communicator with strong interpersonal skills, capable of working across departments and with clients.
• Organised, detail-oriented, and capable of managing multiple workstreams and priorities.

About Us

We are dedicated to fostering a diverse and inclusive community. In line with our policy, we welcome applications from all qualified individuals, regardless of race, gender, age, disability, veteran status, or sexual orientation. As a Confident Employer, and part of the Nicholas Associates Group, we are committed to supporting candidates with disabilities, and we’re happy to discuss flexible working options.

We are committed to protecting the privacy of all our candidates and clients. If you choose to apply, your information will be processed in accordance with the Nicholas Associates Group of companies.

Application

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.