Demo

HR Manager (Manufacturing)

Sumitomo Electric
San Marcos, CA Full Time
POSTED ON 4/25/2026
AVAILABLE BEFORE 5/24/2026
Description

Position at Sumitomo Electric Interconnect Products, Inc.

Sumitomo Electric Interconnect Products, Inc. (SEIP) is seeking an HR Manager. The HR Manager leads and manages human resources operations for the manufacturing site in San Marcos, CA. This role partners with leadership and employees to support employee relations, recruiting, compliance, training, and organizational effectiveness while ensuring alignment with company policies, employment laws, and corporate HR standards. The position reports to the President.

Job Duties And Responsibilities

  • Serve as the primary HR leader and business partner for the manufacturing site
  • Provide day-to-day HR guidance and support to managers and employees on employee relations, performance management, discipline, coaching, and conflict resolution
  • Lead or oversee employee investigations and ensure fair, consistent, and compliant outcomes
  • Manage full-cycle recruiting for exempt and non-exempt roles, including workforce planning, interviewing, offers, onboarding, and new employee orientation
  • Oversee HR processes related to employee lifecycle changes such as promotions, transfers, leave of absence, and terminations
  • Ensure compliance with federal, state (California), and local employment laws, including wage and hour, leave laws, discrimination, and workplace practices
  • Serve as site compliance resource and represent HR in interactions related to employee claims, audits, or employment-related agency matters, as needed
  • Partner with leadership on talent development, succession planning, training, and employee engagement initiatives
  • Coordinate and oversee compliance and required training programs, including safety, harassment prevention, and corporate-required training
  • Support workers’ compensation and workplace injury management in partnership with safety, finance, and external vendors
  • Maintain accurate employee records, HR documentation, and organizational charts
  • Collaborate with payroll providers and finance to ensure accurate employee data; payroll processing is not performed in this role
  • Utilize HR systems and reporting tools; familiarity with ADP Vantage is a plus
  • Support updates and communication related to HR policies, procedures, and the employee handbook
  • Manage multiple priorities effectively in a fast-paced manufacturing environment while maintaining confidentiality and attention to detail
  • Participate in cross-functional and corporate HR initiatives and special projects as assigned

Qualifications

  • Bachelor’s degree in Human Resources, Business Administration, or a related field, or equivalent combination of education and experience
  • 10 years of progressive HR experience, preferably in a manufacturing environment
  • Strong background in employee relations, recruiting, and compliance
  • Working knowledge of California employment laws and HR best practices
  • Experience supporting training, employee development, and workplace safety initiatives
  • Familiarity with HRIS systems; ADP Vantage experience is a plus
  • Strong written and verbal communication skills with the ability to work effectively at all levels of the organization
  • Proven ability to manage competing priorities and meet deadlines
  • High level of professionalism, discretion, and integrity

The base salary range for this position is $120,000 to $130,000 annually.

Compensation may vary depending on a number of factors, including a candidate’s experience, qualifications, skills, competencies and location. Base pay is one part of the total compensation and benefits package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives.

About Sumitomo Electric Interconnect Products, Inc.

Sumitomo Electric Interconnect Products, Inc. (SEIP) was founded in 1985 as sales and marketing company. The company was originally formed to sell products made by Sumitomo Electric Industries, Ltd. In Japan to North American customers. SEIP is an independent U.S. company and is a wholly owned subsidiary of Sumitomo Electric Fine Polymer (SFP). In 1996, SEIP began US production by building a new manufacturing site in San Marcos, CA. SEIP produces, markets, and sells products based upon heat-shrinkable plastics technology. We supply products to a diverse range of customers in a variety of industries. These include automotive, aerospace, appliance, communications, electronics, medical, and transit industries to name a few.

To learn more, about SEIP, please visit https://www.seipusa.com .

About Sumitomo Electric Group

Sumitomo Electric Industries, Ltd. is a recognized global technology leader with over 280,000 employees working at around 400 group companies in 40 countries. Building on more than 120 years of innovation, today Sumitomo Electric is engaged in diversified business activities that support people’s daily lives and industries in five business segments: automotive, infocommunications, electronics, environment & energy, and industrial materials. To learn more about Sumitomo Electric, please visit https://sumitomoelectric.com and our YouTube Channel ( https://www.youtube.com/user/SumitomoElectric/ ). Follow us on LinkedIn ( https://www.linkedin.com/company/sumitomo-electric ).

( https://www.linkedin.com/company/sumitomo-electric ).

Salary : $120,000 - $130,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a HR Manager (Manufacturing)?

Sign up to receive alerts about other jobs on the HR Manager (Manufacturing) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$106,129 - $145,100
Income Estimation: 
$156,288 - $210,152
Income Estimation: 
$132,976 - $201,974
Income Estimation: 
$182,895 - $246,915
Income Estimation: 
$249,286 - $360,865
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Sumitomo Electric

  • Sumitomo Electric San Marcos, CA
  • Sumitomo Electric Interconnect Products, Inc. (SEIP) is seeking an HR Manager. The HR Manager leads and manages human resources operations for the manufact... more
  • 2 Days Ago

  • Sumitomo Electric Farmington, MI
  • This position is responsible for directing the activities of the Components Sales Group, including sales activities which involve liaising with major autom... more
  • 3 Days Ago

  • Sumitomo Electric Turners Falls, MA
  • Entry Level Machine Spark Operator – 3rd shift Judd Wire Inc., a Sumitomo Electric Group company, is looking for 3rd shift Entry Level Machine Operator- Sp... more
  • 4 Days Ago

  • Sumitomo Electric Turners Falls, MA
  • Braid Machine Operator 3rd Shift Judd Wire Inc., a Sumitomo Electric Group company, is looking for 3rd shift Braid Machine Operator in our Turners Falls, M... more
  • 4 Days Ago


Not the job you're looking for? Here are some other HR Manager (Manufacturing) jobs in the San Marcos, CA area that may be a better fit.

  • The Elizabeth Hospice Escondido, CA
  • Description The HR Manager oversees the HR Business Partners and Benefits & HRIS Specialist. This role manages Employee Relations, Recruiting, Benefits Adm... more
  • 3 Days Ago

  • KBS - Kellermeyer Bergensons Services, LLC Oceanside, CA
  • About KBS Kellermeyer Bergensons Services (KBS) is the largest privately held provider of facility services in North America, servicing over 2 billion squa... more
  • 4 Days Ago

AI Assistant is available now!

Feel free to start your new journey!