Sr. Mechanical Designer

Philadelphia, PA

AdvanSix plays a critical role in global supply chains, innovating and delivering essential products for our customers in a wide variety of end markets and applications that touch people’s lives, such as building and construction, fertilizers, plastics, solvents, packaging, paints, coatings, adhesives, and electronics. Our reliable and sustainable supply of quality products emerges from the vertically integrated value chain of our three U.S. based manufacturing facilities. AdvanSix strives to deliver best-in-class customer experiences and differentiated products in the industries of nylon solutions, chemical intermediates, and plant nutrients, guided by our core values of Safety, Integrity, Accountability and Respect.

Please view a short video about our company here, AdvanSix Video. For more information on AdvanSix, please visit our website at


Why work at AdvanSix?

• We provide benefits that are industry competitive and focused on employee well-being

• Total Rewards program includes a competitive compensation, health, dental, vision & wellness programs, paid vacation, 401K with company matching, health savings programs, disability & life insurance, employee assistance program

• Tuition reimbursement for continued education, certifications, training, and development

• Work within a fast paced and innovative company, meeting passionate colleagues and partners with diverse backgrounds and experiences



Position Summary: 

AdvanSix has a multidiscipline in-house design and engineering department experienced in developing and executing capital projects for our internal customers. This team is nested with the project management/project controls/construction groups providing direct collaboration and participation individually and on teams.

As part of our Design team, you will work in collaboration with other Designers, Engineers, project managers, operations, procurement, maintenance, in the development of projects to strengthen our business. On project teams you will collaborate directly with stakeholders on projects to improve reliability, productivity, safety, and environment.


Job Overview: 

Under minimal supervision, perform a variety of mechanical design functions for successful project execution. Support procurement, construction, and commissioning phases of projects with activities including assisting with preparation of labor/material estimates and design packages. Work typically performed in office and field.



Key Responsibilities: 

• Must personally set a good example with all HS&E (Health, Safety & Environmental) Procedures/Regulations to achieve 100% universal compliance.

• Participate in safety audits

• Able and willing to Mentor and train less experienced designers

• All work must be performed with a high understanding of project design budget and schedule, quality and constructability.

• Possess strong understanding of Heavy Industrial Facilities with the ability to create and review equipment drawings, layouts

• Able to perform systems walk downs to identify and analyze field conditions in operating facilities.

• Able to prepare redlines of current plant drawings to reflect “As-Built” conditions.

• Able to create 3D model design for equipment and piping installation drawings such as but not limited to pumps, compressors, tanks, blowers, fans, etc.

• Understand piping specifications; materials of construction, pipe hanger supports and expansion loops, spring cans diagrams.

• Review and integrate vendor schematics and drawings into site-based designs to meet project objectives.

• Review process packages and review equipment/material specifications to integrate into the design process.

• Verification to applicable engineering codes and standards as well as company policies and procedures.

• Work with Construction Management personnel to ensure mechanical produced are in compliance with operations/execution with federal, state, local and plant codes/policies.

• Excellent spoken and written communication skills with personnel of all levels (Craft through Leadership).



Basic Qualifications: 

• Minimum 10 years’ experience in an industrial manufacturing facility (chemical, pulp/paper, refinery, etc.) to include:

• 10 plus years of AutoCAD or equivalent Certification of its use

• 5 years field installation knowledge of Mechanical equipment, piping, equipment layouts

• Strong understanding of P&IDs and PFD’s

• Knowledgeable of current ASME, ANSI, API standards, including application to installation

• 3D Computer Aided Drafting and Design experience

• Proficient in Microsoft Office (Word/Excel)

• High School Diploma or equivalent



Preferred Qualifications: 

• Associates Degree in Mechanical Technology or Mechanical Engineering

• Travel 10% or less (to other AdvanSix Facilities)

At AdvanSix, we are dedicated to building a diverse, inclusive, and authentic workplace, so if you’re excited about this role but your past work experience doesn’t perfectly align with every qualification in the job posting, we encourage you to still apply. You may just be the right candidate for this or other roles.

AdvanSix is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, veteran status, or any other protected classification.

To all agencies: Please, no phone calls or emails to any employee of AdvanSix about this opening. All resumes submitted by search firms/employment agencies to any employee at AdvanSix via-email, the internet or in any form and/or method will be deemed the sole property of AdvanSix, unless such search firms/employment agencies were engaged by AdvanSix for this position and a valid agreement with AdvanSix is in place. In the event a candidate who was submitted outside of the AdvanSix agency engagement process is hired, no fee or payment of any kind will be paid.

Application Process

Find your next career opportunity by searching our open jobs. You can search by location or function key words. If your ideal job isn’t listed, but you’re still interested in AdvanSix, please connect with us on LinkedIn.

  • It is easy to apply for AdvanSix jobs online. Create a profile in DayForce and upload your resume or fill in the form with your job history.
  • Your profile and resume will be reviewed by a recruiter and you’ll be notified via email whether you will be proceeding with the interview process
  • The first interview will be a telephone screening with the HR and recruiting team, If there is mutual interest, there will be additional interviews with the team and an in-person site visit
  • Once interviews are completed, if you are determined a good fit for the AdvanSix team, a formal offer will be extended. Offers will first be verbally given and quickly followed by a formal letter via email
  • Every offer is contingent on the successful completion of the pre-employment and background checks required for the position.
  • We can’t wait for you to join the team!