Posted time January 11, 2024 Location Houston, TX Job type Full-time


Johnston is a collaboration of experienced engineers, architects, planners, and managers working together to create thoughtful and functional design throughout the great state of Texas.  We work on projects that make a difference in people’s lives and make our world a safer place.

Mission: Our people are the heart of our business. We build highly engaged and collaborative teams dedicated to executing thoughtful, creative design solutions. We are passionate, optimistic, dedicated, efficient, and driven by our entrepreneurial roots.

Vision: To provide the best client service in design and construction. Our Vision is reflected in our designs, our team members, and our culture. It has resulted in the strong, trusting relationships we have with our clients today and the standard we aspire to maintain in the years to come.

People: At Johnston, we seek people who are creative and enjoy solving problems while having fun along the way. Individuals who embrace a team approach, committed to growing and developing their talents, enjoy mentoring and coaching others, and contribute to a fantastic company culture are who we are as a team and a firm. We aspire to build the best team with the best people to deliver the best projects.



In partnership with the Mechanical Team Leader, the Mechanical Engineer is responsible for a project’s HVAC system design and implementation and associated project deliverables.  This role assists in the successful delivery of medium to large building projects, developing project concepts and budgets, completing site assessments, and writing reports to create solutions for our clients.  This position is responsible for teaching and mentoring mechanical designers.



  • Bachelor of Science in Mechanical Engineering.
  • Licensed PE.
  • 5+ years project engineering experience from concept to client delivery in HVAC Design, Building Mechanical Systems, and Central Utility Plants.
  • Experience in healthcare, government, commercial, manufacturing, and/or education required.
  • Experience in healthcare preferred.
  • Experience working in integrated teams and mentoring junior team members.
  • Knowledge and ability to review drawings for quality assurance & quality control.
  • Advanced knowledge in mechanical engineering, associated systems, calculations, and construction methods.
  • Experience with various analysis tools for mechanical system design.
  • Experience in mechanical specification development and writing a plus.
  • Experience working with Revit and BIM.
  • Proficient in Microsoft Office, including Word, Excel, PowerPoint, and Outlook.



  • Performs and supervises preparation of technical drawings and assessment reports.
  • Develops typical details, specifications, and drawing standards including development of Revit standards in coordination with the team.
  • Maintains knowledge of industry trends and technology updates and recommends changes in approach and client services, as appropriate.
  • Provides design inputs and reviews of team members’ projects to verify conformity to quality assurance, quality control, and best practice standards.
  • Provides technical support and project communications to team, as required.
  • Participates in team meetings to help resolve project issues, coordination with other disciplines, schedule adherence, technical issues.
  • Performs site visit surveys to determine engineering strategies and to document and evaluate existing systems.
  • Visits project sites during construction for quality, progress, and compliance review with specifications and standards.
  • Reviews and provides responses on “Request for Information” and “Submittals” during the construction administration phase.
  • Attends and participates in Owner-Architect-Contractor meetings as required.
  • Responsible for communication with other disciplines, vendors, and contractors to ensure incorporation of all information into project requirements and provides support, as necessary.
  • Mentors less experienced engineering team members.
  • Works on developing a positive relationship of trust with the team.
  • Provides support to the Business Development team including write-ups of key aspects of projects and presentation of work at industry events.
  • Collaborates with Marketing in preparing RFQ and RFP packages.



  • Committed to exceptional external and internal client service.
  • Collaborates with multiple disciplines across the practice at all levels.
  • Ability to solve problems both individually and as part of a project team.
  • Able to creatively reach solutions to complex problems.
  • Creative, innovative, and strategically thinks outside the box.
  • Open to advice while exercising independent judgement when making decisions.
  • Result driven by planning, prioritizing, and meeting deadlines.
  • Ability to multitask and work in fast paced environment.
  • Ability to independently prioritize tasks and delegate when appropriate.
  • Highly organized and detail oriented.
  • Ability to communicate effectively, both verbal and written.
  • Excellent writing, editing, and proofreading skills.



  • Demonstrates strong leadership, communication, and relationship management skills.
  • Ability to teach and mentor others.
  • Effective listener and clear communicator.
  • Respects the time of others; schedules and attends meetings timely and comes prepared.
  • Acts with integrity, professionalism, and confidentiality.
  • Promotes and upholds the Johnston culture. Honesty. Integrity. Respect.
  • Embodies the attributes of an “Ideal Team Player” (Humble, Hungry, People Smart).

Johnston provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, marital status, sex, sexual orientation, gender identity, genetic information, pregnancy, national origin, age, disability, or protected veteran status. In addition to all Presidential Executive Orders and federal law requirements, Johnston complies with applicable state and local laws governing nondiscrimination in employment. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.