Principal Engineer Jobs at Molex with Visa Sponsorship
Principal Engineer jobs at Molex sit at the intersection of advanced connector and electronic solutions engineering, with responsibilities spanning product development, cross-functional technical leadership, and systems integration. Molex has a consistent track record of sponsoring international engineers across multiple visa categories, making it a realistic target for qualified candidates who need work authorization.
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Molex is seeking an innovative Principal Mechanical Engineer with strong fiber connectivity experience to join our R&D team. This team is responsible for the conceptualization of industry leading fiber optic connectors on rapidly growing markets in cloud computing, AI, and hyperscale applications. Our team is comprised of highly skilled professionals who thrive in an environment of constant learning and innovation. A successful applicant will have the ability to appropriately plan and see assignments through to completion with minimal direction, provide leadership to other team members; develop timing, meet project schedules, manage risks, and systematically solve problems of a complex scope.
Our Team
Molex's Optical Connectivity Group is at the forefront of designing and delivering cutting-edge optical solutions that power data centers, telecom infrastructure, and next-gen computing. As part of Koch Industries, Molex fosters a culture of innovation, collaboration, and transformative technology development across global markets.
What You Will Do
- Lead the technology selection for next generation fiber optic connectors
- Explore new materials & manufacturing technologies to enable the next generation of fiber optic connectors
- Trial and optimize quick-turn design & analysis tools, disseminating knowledge and developing best practices to support data-driven product development
- Utilize rapid prototyping methods to create Proof of Concept (POC) prototypes
- Clearly document POC results for sharing to internal teams and for presentation to customers
- Lead industry engagement on fiber optic connector standards
- Collaborate with the manufacturing NPI teams to develop cost-competitive and creative concepts. Ensure designs are efficient to manufacture while meeting our high-performance market requirements
- Interface with cross functional team members in signal integrity, manufacturing integration, product management, sales, state of the art test laboratories, on-premise model shop, and leadership teams
- Facilitate knowledge sharing within and between cross functional teams via digital tools and interpersonal relationships
- Create relationships with senior leadership, cross functional team members and peers through team building activities and growth opportunities operating as One Molex Team
- Engage with external customers to develop next generation solutions that meets their needs
- Provide advanced application and technical support to strategic customers
Who You Are (Basic Qualifications)
- Master's degree or PhD in Mechanical Engineering or other related engineering field
- 15+ years experience in fiber optic connector design and development with proven technical leadership
- Track record of leading fiber connector technology roadmaps
- Strong understanding of MPO / MMC / Lensed Connectors
- Experience defining, executing, and interpreting design validation plans & reports (DVP&R)
- Familiarity with defining and interpreting Finite Element Analysis (FEA)
- Demonstrated utilization of statistical Tolerance Analyses
- Design experience with high-volume products manufactured using a subset of the following processes: progressive die stamping, injection molding, die casting, insert molding, automated assembly
- Proven track record of developing innovative solutions
- Desire to learn, be challenged and interact in a cross functional team environment
- A demonstrated ability to learn quickly and make logical, data-based decisions when presented with novel tasks and requirements
What Will Put You Ahead
- 15+ years experience in electro-mechanical product design and development with proven technical leadership
- Design experience with standard fiber connectors (MPO, MMC, LC) as well as lensed connectors (EBO)
- Familiarity with correlating simulated results to measured test results
- Experience with advanced parametric 3D CAD systems (NX, Creo, Solidworks, CATIA, etc.)
- Knowledge of regulatory agency testing requirements (UL, CSA, EIA, etc.)
- Good understanding and practical knowledge of Six Sigma quality development tools and principles (DOE, FMEA, etc.)
- Expert in GD&T (Geometric Dimensioning and Tolerancing) and concepts within industry
- Experience with design & analysis of compliant mechanisms
- Understanding and application of sound project management techniques managing projects to timelines, due dates and deadlines
- History of working within an international organization and/or working with international suppliers & team members
- Familiarity with data analysis tools such as Minitab
For this role, we anticipate paying $150,000 - $200,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.
At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.
Who We Are
As a Koch company, Molex is a leading supplier of connectors and interconnect components, driving innovation in electronics and supporting industries from automotive to health care and consumer to data communications. The thousands of innovators who work for Molex have made us a global electronics leader. Our experienced people, groundbreaking products and leading-edge technologies help us deliver a wider array of solutions to more markets than ever before.
At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aquí, or tu).
Your Job
Molex is seeking an innovative Principal Mechanical Engineer with strong fiber connectivity experience to join our R&D team. This team is responsible for the conceptualization of industry leading fiber optic connectors on rapidly growing markets in cloud computing, AI, and hyperscale applications. Our team is comprised of highly skilled professionals who thrive in an environment of constant learning and innovation. A successful applicant will have the ability to appropriately plan and see assignments through to completion with minimal direction, provide leadership to other team members; develop timing, meet project schedules, manage risks, and systematically solve problems of a complex scope.
Our Team
Molex's Optical Connectivity Group is at the forefront of designing and delivering cutting-edge optical solutions that power data centers, telecom infrastructure, and next-gen computing. As part of Koch Industries, Molex fosters a culture of innovation, collaboration, and transformative technology development across global markets.
What You Will Do
- Lead the technology selection for next generation fiber optic connectors
- Explore new materials & manufacturing technologies to enable the next generation of fiber optic connectors
- Trial and optimize quick-turn design & analysis tools, disseminating knowledge and developing best practices to support data-driven product development
- Utilize rapid prototyping methods to create Proof of Concept (POC) prototypes
- Clearly document POC results for sharing to internal teams and for presentation to customers
- Lead industry engagement on fiber optic connector standards
- Collaborate with the manufacturing NPI teams to develop cost-competitive and creative concepts. Ensure designs are efficient to manufacture while meeting our high-performance market requirements
- Interface with cross functional team members in signal integrity, manufacturing integration, product management, sales, state of the art test laboratories, on-premise model shop, and leadership teams
- Facilitate knowledge sharing within and between cross functional teams via digital tools and interpersonal relationships
- Create relationships with senior leadership, cross functional team members and peers through team building activities and growth opportunities operating as One Molex Team
- Engage with external customers to develop next generation solutions that meets their needs
- Provide advanced application and technical support to strategic customers
Who You Are (Basic Qualifications)
- Master's degree or PhD in Mechanical Engineering or other related engineering field
- 15+ years experience in fiber optic connector design and development with proven technical leadership
- Track record of leading fiber connector technology roadmaps
- Strong understanding of MPO / MMC / Lensed Connectors
- Experience defining, executing, and interpreting design validation plans & reports (DVP&R)
- Familiarity with defining and interpreting Finite Element Analysis (FEA)
- Demonstrated utilization of statistical Tolerance Analyses
- Design experience with high-volume products manufactured using a subset of the following processes: progressive die stamping, injection molding, die casting, insert molding, automated assembly
- Proven track record of developing innovative solutions
- Desire to learn, be challenged and interact in a cross functional team environment
- A demonstrated ability to learn quickly and make logical, data-based decisions when presented with novel tasks and requirements
What Will Put You Ahead
- 15+ years experience in electro-mechanical product design and development with proven technical leadership
- Design experience with standard fiber connectors (MPO, MMC, LC) as well as lensed connectors (EBO)
- Familiarity with correlating simulated results to measured test results
- Experience with advanced parametric 3D CAD systems (NX, Creo, Solidworks, CATIA, etc.)
- Knowledge of regulatory agency testing requirements (UL, CSA, EIA, etc.)
- Good understanding and practical knowledge of Six Sigma quality development tools and principles (DOE, FMEA, etc.)
- Expert in GD&T (Geometric Dimensioning and Tolerancing) and concepts within industry
- Experience with design & analysis of compliant mechanisms
- Understanding and application of sound project management techniques managing projects to timelines, due dates and deadlines
- History of working within an international organization and/or working with international suppliers & team members
- Familiarity with data analysis tools such as Minitab
For this role, we anticipate paying $150,000 - $200,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.
At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.
Who We Are
As a Koch company, Molex is a leading supplier of connectors and interconnect components, driving innovation in electronics and supporting industries from automotive to health care and consumer to data communications. The thousands of innovators who work for Molex have made us a global electronics leader. Our experienced people, groundbreaking products and leading-edge technologies help us deliver a wider array of solutions to more markets than ever before.
At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aquí, or tu).
See all 75+ Principal Engineer Jobs at Molex
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Principal Engineer Jobs at Molex.
Get Access To All JobsTips for Finding Principal Engineer Jobs at Molex
Align your credentials to specialty occupation standards
Principal Engineer roles require a directly related engineering degree, not just general experience. Before applying, confirm your degree field maps to the specific discipline Molex lists, since USCIS evaluates specialty occupation fit on a role-by-role basis.
Target Molex openings that name a specific engineering domain
Molex posts Principal Engineer roles across connectivity, signal integrity, and mechanical systems. Apply to postings that explicitly name your engineering discipline. A precise match strengthens the LCA and H-1B petition the employer files with DOL and USCIS.
Raise visa type compatibility early in interviews
Molex sponsors several nonimmigrant visa categories for this function. If you hold TN or F-1 OPT status, surface your current authorization and expected timeline in the first recruiter call so the hiring team can route your file to the right process without delays.
Prepare a technical portfolio before the offer stage
Molex evaluates Principal Engineers on demonstrated systems-level impact, not just credentials. Documenting specific projects, patents, or cross-team deliverables strengthens your petition evidence and gives immigration counsel concrete material when preparing your H-1B or EB-2 filing.
Use Migrate Mate to identify active Principal Engineer openings at Molex
Molex lists Principal Engineer roles across multiple locations and engineering functions. Search Migrate Mate to filter current openings by visa sponsorship type, so you apply only to roles where your authorization category is already supported.
Understand PERM timing if you're targeting permanent residence
If Molex extends an EB-2 or EB-3 offer, DOL's PERM labor certification typically adds six to twelve months before USCIS can adjudicate the I-140. Factor that into your long-term planning if you're transitioning from an H-1B or approaching OPT expiration.
Frequently Asked Questions
Does Molex sponsor H-1B visas for Principal Engineers?
Yes, Molex sponsors H-1B visas for Principal Engineer roles. Because Principal Engineer positions require specialized engineering knowledge tied to a specific degree field, they generally satisfy USCIS specialty occupation requirements. Molex's immigration support covers both initial H-1B petitions and transfers for candidates already holding H-1B status with another employer.
Which visa types does Molex commonly sponsor for Principal Engineer roles?
Molex sponsors a range of visa categories for this function, including H-1B, TN visa for Canadian and Mexican nationals, F-1 OPT and CPT for recent graduates, J-1 visa, and employment-based Green Card pathways such as EB-2 and EB-3. The right category depends on your nationality, current status, and how long you need authorization.
What qualifications does Molex expect for Principal Engineer positions?
Molex typically expects a bachelor's degree or higher in an engineering discipline directly relevant to the role, combined with substantial hands-on experience at a senior or staff level. Principal Engineers are expected to lead technical direction, not just execute tasks, so candidates who can show cross-functional project ownership and systems-level thinking are competitive.
How do I apply for Principal Engineer jobs at Molex?
You can browse current Principal Engineer openings at Molex through Migrate Mate, which filters listings by visa sponsorship type so you can confirm your category is supported before applying. Once you identify a matching role, apply directly through Molex's careers portal. Having your resume, degree documentation, and a summary of relevant engineering projects ready will accelerate the recruiter screening stage.
How do I plan my timeline when pursuing sponsorship at Molex?
Timeline depends on your current visa status. F-1 OPT holders should account for the H-1B cap lottery, which runs once per year with a filing window in March. TN holders can transfer more quickly since TN status has no annual cap. EB-2 and EB-3 Green Card pathways involve DOL PERM labor certification, which adds significant lead time beyond the I-140 petition itself.