Mission Critical - Mechanical Specialist

Mission Critical - Mechanical Specialist

Full-Time 45000 - 55000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead commissioning and testing of mechanical systems in mission-critical facilities.
  • Company: Join EEI, a leader in facility and energy consulting with a People First culture.
  • Benefits: Enjoy competitive pay, health insurance, profit-sharing, and professional development opportunities.
  • Other info: Dynamic hybrid work environment with travel opportunities and excellent career growth.
  • Why this job: Make a real impact in high-reliability environments while growing your skills.
  • Qualifications: 3+ years in mechanical systems; strong troubleshooting and teamwork skills required.

The predicted salary is between 45000 - 55000 £ per year.

At EEI, we believe in doing things the right way, with excellence, integrity, and genuine care for our people. As an employee-owned company, our People First culture is rooted in trust, accountability, and shared success.

As a Mechanical Specialist for EEI's Mission Critical team, you will independently perform commissioning, testing, troubleshooting, and verification of mechanical systems that support data centers and other high-reliability facilities. You will work alongside experienced technical professionals and project stakeholders to help ensure critical facility systems operate safely, efficiently, and reliably. In this role, you will take ownership of assigned field activities, support functional performance testing, coordinate issue tracking, and help move mechanical systems through startup, testing, documentation, and closeout. This position is ideal for a hands-on mechanical professional who enjoys field work, troubleshooting, and contributing to successful mission-critical project outcomes.

  • Lead assigned commissioning, testing, and verification activities for mechanical systems supporting mission-critical facilities and data centers.
  • Troubleshoot mechanical system performance issues and support resolution efforts with project teams, contractors, and stakeholders.
  • Coordinate field activities, testing efforts, and project documentation to help ensure successful project delivery.
  • Review drawings, specifications, sequences of operation, and system information to validate installation and operational readiness.
  • Communicate project status, technical findings, and recommendations with clients, contractors, and internal project teams.
  • Support and mentor developing commissioning professionals through field collaboration and knowledge sharing.
  • Contribute to safe, reliable, and high-quality project execution in a fast-paced mission-critical environment.

Qualifications:

Required

  • 3+ years of experience in mechanical systems, facilities operations, commissioning, construction, engineering, maintenance, building operations, military mechanical work, or a related technical environment.
  • Working knowledge of HVAC systems, chilled water systems, cooling towers, pumps, air distribution, controls, and related mechanical equipment used in mission-critical or high-reliability facilities.
  • Advanced understanding of MEP systems, controls, and integrated building operations.
  • Ability to read and interpret drawings, specifications, sequences of operation, submittals, technical documentation, and system information.
  • Ability to independently execute assigned technical activities while collaborating effectively with project teams.
  • Strong organizational, troubleshooting, communication, documentation, and teamwork skills.
  • Proficiency with Microsoft Office Suite and commissioning documentation tools or project software.
  • Strong commitment to ethical standards and confidentiality.
  • Currently authorized to work in the U.S. full-time.

Preferred

  • Bachelor’s degree in Mechanical Engineering, Facilities Management, and/or a related field preferred.
  • Experience with data centers, mission-critical facilities, healthcare facilities, building automation systems, controls integration, or high-reliability environments.
  • Hands-on experience supporting functional performance testing, equipment startup, issue tracking, commissioning documentation, or project closeout activities.
  • Relevant certification or active interest in professional development related to commissioning, building performance, or mission-critical operations.

Certifications

  • PE, LEED, CxA, PMP, and/or other equivalent certifications strongly preferred.

Working Conditions:

  • Typical Travel: Up to 75%. Travel requirements vary by project and individual location.
  • Work Environment: Hybrid environment of office and field-based work for site visits. Site visits may include mission-critical facilities, data centers, active construction environments, mechanical rooms, uneven ground, varying weather conditions, and field interactions.
  • Physical Requirements: Must be able to perform site inspections, which may include walking project sites, climbing ladders, occasionally lifting and carrying up to 50 lbs, and working in confined spaces when needed. Reasonable accommodation may be provided.

Reports to: Mechanical Lead or assigned project technical lead.

Supervisory duties: This role is primarily an individual contributor and does not have direct supervisory responsibility. The position may provide day-to-day guidance, technical support, and field coordination for Mechanical Support personnel and less-experienced team members.

Partners with: Works closely with EEI project teams, contractors, subcontractors, vendors, equipment manufacturers, project stakeholders, engineers, project managers, and senior technical team members across disciplines.

Key Representative to: EEI clients, contractors, vendors, and project stakeholders.

EEI is a recognized leader in facility and energy consulting. We deliver innovative, performance-focused solutions that maximize building performance, extend system lifecycles, and reduce utility costs. This dedication has earned us trusted partnerships with Fortune 500 organizations, national healthcare networks, prestigious universities, and leading government agencies. Nationally recognized for building commissioning and building performance, EEI also provides facility assessments, master planning, energy audits, and technical program management, supported by specialty teams serving healthcare, data center, and mission-critical facilities.

EEI is a proud equal opportunity employer. We value a diverse workforce and are committed to an inclusive culture. EEI does not discriminate based on race, color, ethnicity, ancestry, religion, sex, national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, gender expression, veteran status, or genetic information.

Mission Critical - Mechanical Specialist employer: EEI

At EEI, we pride ourselves on our People First culture, where integrity and excellence are at the core of everything we do. As an employee-owned company, we offer a range of benefits including a robust Employee Stock Ownership Plan (ESOP), comprehensive health insurance, and professional development opportunities that empower our team members to grow in their careers. Working in a hybrid environment with a focus on mission-critical projects, our Mechanical Specialists enjoy a collaborative atmosphere that values hands-on experience and fosters meaningful contributions to high-reliability facilities.

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Contact Details:

EEI Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Mission Critical - Mechanical Specialist

Get Your Hands Dirty at Engineering Events

Join local engineering meetups or industry conferences related to mechanical engineering. Whether it's a workshop or a career fair, these events are goldmines for networking and getting a foot in the door. Plus, you can showcase your passion and enthusiasm directly to potential employers like EEI.

Connect with Professors & Peers

Tap into your university’s resources—professors often have connections in the industry. Don’t be shy to ask about potential openings or recommendations. Your classmates might also know of companies hiring. Often, it’s who you know that gets you in front of the right people!

Highlight Your Projects and Practical Experience

When you land those interviews, make sure to talk about your hands-on projects or internships. Whether it's a design project or hands-on experience with CAD software, specific examples will make you stand out. Companies like EEI love to hear about practical applications of your skills.

Apply Directly on Company Websites

Check out the careers page of EEI and apply directly through there. It shows initiative and interest in their specific values. Plus, you'll often find openings that aren't advertised on job boards, giving you a better chance to land that full-time gig!

We think you need these skills to ace Mission Critical - Mechanical Specialist

Mechanical Systems Knowledge
Commissioning
Testing and Troubleshooting
HVAC Systems
Chilled Water Systems
Cooling Towers
Pumps

Some tips for your application 🫡

Show Off Your Technical Expertise:In mechanical engineering, it’s vital to highlight your technical skills and projects. Make sure to include relevant software proficiency (like CAD tools) in your CV. If you've worked on specific engineering projects, detail your key contributions — we want to see how you’ve applied your skills in a practical setting!

Focus on Problem-Solving Examples:Employers in mechanical engineering love to see how you handle challenges. Use your cover letter to share specific instances where you’ve solved a complex problem or improved a design. This will show us you're not just knowledgeable but also capable of applying that knowledge effectively.

Highlight Relevant Certifications:Include any relevant certifications or training that can set you apart from the competition. Whether it's coursework from your degree, a recognised certification, or extra training in new technologies, we love to see candidates who continuously improve their skill set. This tells us you're serious about your career in engineering!

Tailor Your CV for the Role:Don’t forget to customise your CV for EEI and the Mission Critical - Mechanical Specialist role specifically. Pull examples from your experience that align with the job description — it shows us you've done your research and are genuinely interested in becoming part of the team. We recommend applying through our website to ensure your application gets to the right people!

How to prepare for a job interview at EEI

Brush Up on Your CAD Skills

Since mechanical engineering often involves design processes, be ready to showcase your proficiency in CAD software like SolidWorks or AutoCAD. Bring along a digital portfolio or even some sketches that demonstrate your design capabilities — it’s a great way to show what you can bring to the table at EEI.

Prepare for Technical Questions

Expect technical questions that test your understanding of engineering principles and problem-solving skills. You might get hypothetical scenarios where you need to design a component or troubleshoot a mechanical system. Practising these types of questions will give you the confidence to tackle whatever comes your way!

Show Your Team Spirit

As a full-time mechanical engineer, collaboration is key! Be ready to share examples of past team projects or any experiences where you contributed to solving a complex problem with others. Demonstrating your ability to work in a team will resonate well with the interviewers at EEI.

Discuss Your Future Goals

Since this is a full-time position, your long-term vision is important. Be open about your career aspirations, whether it’s mastering a specific tool or leading projects. This shows that you're committed not just to learning but also to growing with EEI, making you a more appealing candidate.