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Swagelok Penn

Your Authorized Swagelok Sales and Service Center

Meet our Field Engineers


The primary focus of our Field Engineers is to provide fluid system application knowledge, technical support, and system evaluations to customers across all industries and markets. Our local Field Engineers will collaborate with you to ensure a holistic understanding of the entire process, containing Swagelok and/or 3rd party components, and provide improvement recommendations to make sure your application is performing optimally.


Anthony El Hajjar, Field Engineer

Degree / Education:
BS/MS Mechanical Engineering (Cleveland State University) Masters Topic: Additive Manufacturing Characterization of Metallic Alloys with a Focus on Alloy 625

Anthony began his career with Swagelok Company in 2015 as a Corporate Quality Improvement Leader in the Career Development Program (CDP). In his second rotation, Anthony joined the High-Purity Group as a Manufacturing Engineer. In his third rotation, he joined the Technical Service Team with the Fitting Services Group and the Piping Pressure Group. In April 2019, Anthony moved to Philadelphia to work at Swagelok Penn as a Refinery Specialist and Field Engineer. In addition, Anthony is a lead auditor and part of the Swagelok Penn Quality Team.

Market Expertise:

  • General Industrial
  • Chemical & Petrochemical
  • Pharma R&D
  • Oil & Gas
  • Process & Analytical Instrumentation

Services Expertise:

  • Understanding customer needs for specific product or assembly requirements
  • Reviewing P&IDs and translating into possible Swagelok solutions
  • On-site collaborative problem solving
  • Product specific training to customers
  • Regulator selection, sizing, and application

Product Expertise:

  • General Industrial Fittings
  • Process Interface Valves
  • Medium & High-Pressure Valves and Fittings
  • VCR/VCO Fittings
  • Quality and Audit Systems

Training Support Expertise:

  • Grab Sampling Systems
  • Analytical Instrumentation


Anthony enjoys watching and playing sports and spending time with family and friends.


Mike Jeffrey, Field Engineer

Degree / Education:
BS Mechanical Engineering & Business Administration (Rutgers University)

Mike began his career Swagelok Penn in 2003 as a Technology Manager supporting new product introduction & commercialization, as well as account management for key customers. In 2007, Mike began focusing his efforts on building the infrastructure, staffing and capabilities for our Fabrication Services (design & assembly) division. Mike is a graduate from Rutgers University with degrees in Mechanical Engineering and Business Administration and has over 20 years of experience in the design, development and manufacturing of process and analytical instrumentation with Honeywell and AMETEK.

Market Expertise:

  • Semiconductor
  • General Industry
  • Chemical & Petrochemical
  • Oil & Gas

Services Expertise:

  • OEM - design optimization
  • Grab Sample System Design
  • Mechanical Seal Support System Design
  • Gas Distribution System Design
  • Reviewing P&ID and translating into possible Swagelok solutions
  • Product specific training to customers
  • Regulator selection, sizing, and application
  • Orbital Weld System Training

Product & Training Support Expertise:

  • Pressure, temperature, and flow measurement products
  • Hose Products
  • Swagelok Weld System


Mike enjoys outdoor activities, home improvement projects, and spending time with family and friends at the beach.

To request a field visit or for more information CONTACT SWAGELOK PENN

Learn more about our Onsite Services ONSITE SERVICES