The Opportunity

We are seeking a Senior Mechanical Engineer with deep experience in large-scale data center and mission critical facilities to strengthen our growing Dallas team. As a Senior Mechanical Engineer within our Mission Critical team, you will serve as a key technical leader in the design and delivery of complex, large-scale hyperscale data center projects. You will bring subject-matter expertise in advanced mechanical systems while collaborating across multidisciplinary teams to deliver coordinated, resilient, and scalable infrastructure solutions. This role combines hands-on engineering, technical leadership, client engagement, and mentorship.

The opportunity:

• Lead mechanical system design for mission critical and hyperscale data center projects.
• Design and oversee complex HVAC systems including:
• Large-scale airside systems (AHUs, CRAHs, DOAS, containment strategies)
• Chilled water plants and hydronic distribution systems
• Cooling towers, heat rejection systems, and water-side economization
• Specialty exhaust and ventilation systems
• Develop scalable, redundant (N+1, 2N, 2N+1) system architectures aligned with uptime requirements.
• Coordinate closely with electrical, structural, and architectural teams to deliver fully integrated design solutions.
• Partner with Project Managers to ensure high-quality, on-time, and on-budget deliverables.
• Prepare and review drawings, specifications, technical reports, and design narratives.
• Support construction administration, commissioning, and site inspections.
• Maintain strong client relationships, supporting repeat business and long-term partnerships.
• Mentor junior engineers and provide technical oversight to project teams.
• Uphold Arup's quality standards, commercial performance metrics, and technical excellence.

The Skills

• Bachelor's degree in Mechanical or Architectural Engineering.
• Minimum 8+ years of experience designing complex building HVAC systems, including significant experience in mission critical or data center facilities.
• Demonstrated experience on large-scale hyperscale data center projects.
• Strong knowledge of redundancy strategies, resiliency planning, and mission critical design best practices.
• Proficiency in Revit MEP.
• Strong coordination experience in multidisciplinary environments.
• Excellent communication skills with the ability to present to both technical and non-technical stakeholders.
• Ability to manage priorities in a fast-paced, schedule-driven environment.

Preferred Qualifications:

• Professional Engineering (PE) license in Texas.
• Experience working directly with hyperscale data center clients.
• Experience supporting commissioning, startup, and construction administration.
• Familiarity with industry standards and guidelines relevant to mission critical facilities.
• Experience mentoring engineers or leading small project teams.

What we offer you

At Arup, we care about each member's success, so we can grow together.

Guided by our values, we provide an attractive total reward package that recognizes the contribution of each of our members to our shared success. As well as competitive, fair and equitable pay, we offer a career in which all of our members can belong, grow and thrive - through benefits that support health and wellbeing, a wide range of learning opportunities and many possibilities to have an impact through the work they do.

We are owned in trust on behalf of our members, giving us the freedom, with personal responsibility, to set our own direction and choose work that aligns with our purpose and adds to Arup's legacy. Our members collaborate on ambitious projects to deliver remarkable outcomes for our clients and communities. Profit Share is a key part of our reward, enabling members to share in the results of our collective efforts.

Benefits at Work - At Arup, we have a comprehensive and valuable benefits program that works for our employees and their families while keeping costs low. These benefits provide health and welfare security for you as well as paid time off for rest and renewal. As a member of Arup, everyone shares in our success through a global profit share scheme (payments are dependent on the firm's financial performance). Our Global Profit Share Plan (paid bi-annually) provides an opportunity for you to share in the success of the Firm. As a valued employee of Arup, you can also choose to participate in our 401(k) plan with up to 10% company match to help you save for your future

Flexible Working - We believe that flexible arrangements create a more inclusive way of working that supports our diversity and the wellbeing of our people. Options for alternative schedules and the ability to work outside of the office for a portion of your workweek are available

Dallas Hiring Range - The good faith base salary hiring range for this job if performed in Dallas is $117,400 - $147,800 per year. This range is commensurate with experience, educational background, and skill level. Benefits are not included in the base salary. Please note hiring ranges for candidates performing work outside of Dallas will differ.

Our Application Process

We will be reviewing our candidates for this position on a rolling basis. Once you have applied you will be evaluated and potentially moved on to the next round, at which point a member of the talent resourcing team will reach out to you directly.
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