Senior Mechanical Engineer

Submer; Saudi Arabia; On-site; SAR 70,000 - 90,000; Full time

Job summary

A leading data center company is seeking a Senior Mechanical Engineer based in Saudi Arabia to oversee the design and integration of critical mechanical systems for high-density data centers. This role demands at least 7 years of relevant experience, with a strong emphasis on mechanical design, HVAC systems, and collaboration in fast-paced projects. An attractive compensation package and a hybrid-friendly work environment are offered as part of a committed and inclusive team.

Benefits

Attractive compensation package

Diverse and inclusive environment

Flexible work arrangements

Qualifications

• Minimum 7 years of experience in mission‑critical mechanical design.
• Strong knowledge of HVAC, chilled water, and liquid cooling systems.
• Proficiency in mechanical design and analysis tools.

Responsibilities

• Lead design and delivery of mechanical systems for data centers.
• Oversight of commissioning and system validation.
• Collaborate with cross-disciplinary teams.

Skills

Mechanical design

HVAC systems knowledge

Problem-solving skills

Strong communication

Education

Bachelor’s or Master’s degree in Mechanical Engineering

Tools

Revit

AutoCAD MEP

HAP

Pipe-Flo

CFD

Job description

Location & work modality

Riyadh or Eastern Province, Saudi Arabia

Start

ASAP

Type of Contract

Full Time / Permanent

Eligibility

This position is open only to Saudi nationals, in line with Saudization requirements.

About Submer

At Submer, we are redefining how data centers are built, integrated, and operated, with sustainability, efficiency, and innovation at the core. Ourート technology is designed to reduce environmental impact while improving performance and efficiency. We are a purpose-driven company with a passion for innovation and a growing global presence.

What impact you will have

We are seeking a Senior Mechanicalির Engineer to lead the design and delivery of critical mechanical systems for high-density data centers, including both conventional air‑cooled facilities and direct liquid cooling (DLC) environments. This role ensures the safe, efficient, and resilient operation of cooling and mechanical infrastructure from chillers to fan wall, CRAC/CRAH units, CDU loops and rack‑level liquid cooling; enabling next‑generation compute platforms and mission‑critical operations. The ideal candidate brings a proven track record in mechanical design for data centers and thrives in collaborative, fast‑paced, multidisciplinary projects.

What you’ll do

Mechanical System Design & Engineering

• Develop detailed designs for mechanical and cooling systems (chillers, cooling towers, CRAC/CRAH units, pumps, piping, valves, CDUs, FW, RDHx, and DLC loops).
• Define control strategies for primary and secondary cooling loops, supporting both air and DLC environments.
• Produce design documentation including schematics, layouts, hydraulic diagrams, specifications, and equipment schedules.
contractors>Select equipment suppliers, ensuring compliance with project performance requirements and client standards.

Thermal Performance & Analysis

• Perform load calculations, hydraulic modeling, and energy efficiency analysis.
• Optimize chilled water, glycol, and DLC systems to meet PUE and WUE targets.
• Assess redundancy schemes (N, N+1, 2N) and their impact on system performance and resilience.
• Integrate mechanical design with electrical and IT infrastructure, ensuring alignment across disciplines.

Commissioning & Delivery

• Oversee factory acceptance tests (FATs), site acceptance tests (SATs), commissioning, and system validation.
• Lead troubleshooting and root cause analysis for thermal or mechanical issues, implementing corrective actions.

Compliance & Documentation tələb

• Ensure designs comply with international standards, local building codes, ASHRAE, and Uptime Institute best practices.
• Develop and maintain documentation including test protocols, O&M manuals, and method statements.
• Contribute to risk assessments and ensure safety compliance for fluid handling systems.

Collaboration & Expertise

• Partner with clients, architects, electrical engineers, and IT teams to deliver integrated solutions.
• Provide subject matter expertise on high‑density and DLC coolingじ strategies.
• Mentor junior engineers and contribute to knowledge sharing within the organization.

What you’ll need

• Bachelor’s or Master’s degree in Mechanical Engineering (or related field).
• Minimum 7 years of experience in mission‑critical mechanical design, with demonstrable data center project delivery.
• Strong knowledge of HVAC, chilled water, and liquid cooling systems (DLC, CDU, RDHx, etc.).
• Proficiency in mechanical design and analysis tools (e.g., Revit, AutoCAD MEP, HAP, Pipe‑Flo, CFD).
• Familiarity with Tier certification requirements, ASHRAE guidelines, and international standards.
• Proven analytical, problem‑solving, and troubleshooting skills.
• Strong communication and collaboration skills inVirginia cross-disciplinary teams.
• Ability to manage complex projects under tight deadlines in client‑facing environments.

Our job titles may span more than one job level. The actual base pay is dependent on a number of factors, such as transferable Hearth skills, work experience, business needs and market demands.

What we offer

• Attractive compensation package refleting your expertise and experience.
• A great work environment characterised by friendliness, international diversity, flexibility, and a hybrid-friendly approach.
• You’ll+ be part of a fast‑growing scale‑up with alatable mission to make a positive impact, offering an exciting career evolution.

Our Inclusive Responsibility

Submer is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected category under applicable law.