Mechanical Senior Engineer I

April 10, 2024

Job Description

  • Anywhere


Job Summary

The Mechanical Senior Engineer I is responsible for performing expert level design and analysis work as directed to support various field and fabrication offices. The Mechanical Senior Engineer I will be part of a project team from inception through construction completion and will serve as a discipline engineering lead on projects.

This role can be filled in one of our Matrix PDM Engineering office locations: Pittsburgh, PA; Houston, TX; Tulsa, OK.

Essential Functions

  • Actively supports the Company’s commitment to safety and its “Core Values.”
  • Represents the Company at all times with high moral standards while adhering to the Company’s “Code of Business Conduct and Ethics.”
  • Applies broad knowledge of principles and practices in mechanical and piping engineering.
  • Independently evaluates, selects and adapts standard techniques, procedures and criteria.
  • Acquires general knowledge of principles, and practices of related fields, and ability to function on multidisciplinary teams.
  • Works on multiple projects of moderate size or portions of major projects.
  • Designs a complete project, system, component, or process.
  • Prepares complete project documents.
  • Analyzes and interprets data.
  • Formulates and solves problems.
  • Coordinates tasks with engineers, designers, administrative staff and high value engineering centers (HVEC).
  • Plans and coordinates detailed aspects of engineering work.
  • Prepares scopes, budgets, and schedules for assignments.
  • Assists with proposals to provide professional services or obtain funding for engineering projects or programs.
  • Receives general direction on key objectives.
  • Receives guidance when necessary on unconventional or complex problems, direction on modified techniques, and new approaches on assignments with conflicting criteria.
  • Interacts with PM, client, customers, officials, contractors and others.
  • Attends project meetings and presents specific aspects of engineering assignments.
  • Performs other related duties, as directed.


  • BS in Mechanical, Chemical, or Petroleum Engineering from ABET accredited university required; MS degree preferred. Professional Engineer (PE) preferred.
  • Project Management Professional (PMP) Certification is desirable.
  • 6+ years related engineering experience.
  • Familiarity with equipment and piping for liquified natural gas (LNG), liquid hydrogen, and hydrogen gas service is highly preferred.
  • Strong skill set in understanding PFD’s and P&ID’s; understanding 3D and 2D pipe routing; development of isometric drawings and selection of valves is required.
  • Knowledge of ASME standards, recommended practices and design experience in piping codes, NFPA codes, NFPA 2 and 59A, ASME B31.12, and ASME Section VIII is strongly preferred.
  • Knowledge of basic process design and stress analyses including mechanical designs of supports, guides, anchors, hangers strongly preferred.
  • Ability to understand client specifications, procurement, commissioning and start-up standards, documentation, practices, vendor data approvals, etc., strongly preferred.
  • Experience using computer programs for design such as CAESAR II or AutoPIPE, MathCAD, AutoCAD, etc., is preferred.
  • Cooperates with other team members; interacts with individuals at all organizational levels in professional manner.
  • Demonstrates strong organizational skills and ability to work on multiple tasks simultaneously under time sensitive deadlines.
  • Exhibits excellent listening, oral and written skills; ability to prepare and make project related presentations to clients is desirable.
  • Occasional overtime and travel may be required.

In addition, full-time employees are offered a comprehensive benefits package, including medical, dental and vision plans covering eligible employees and dependents, disability benefits, life and AD&D insurance, an employee assistance program (EAP), a 401(k) plan with company match, an employee stock purchase plan (ESPP), a robust wellness program and adoption assistance. Some employees may also be eligible for paid time off, tuition reimbursement and a performance or safety bonus program.

At Matrix, we are dedicated to building a diverse, inclusive, and authentic workplace. We encourage all whose experience aligns with the listed qualifications to apply and explore joining our organization.

EEO/M/F/Disability/Vets/Affirmative Action Employer

We are an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, genetic information, marital status, disability, veteran status, or other legally protected characteristic or category.




Bachelor’s Degree of Engineering (preferred)