Senior Mechanical Engineer

Joining Arup Arup’s purpose, shared values, and collaborative approach has set us apart for over 80 years, guiding how we shape a better world.

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 youAt 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…