Human Resources Manager

Posted Yesterday
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Reisterstown, MD, USA
In-Office
85K-100K Annually
Senior level
Aerospace • Defense • Manufacturing
The Role
Leads on-site HR operations for a Maryland facility while owning company-wide benefits administration across Maryland and Colorado. Manages employee relations, leave cases, payroll support, compliance, training, onboarding, engagement, retention, recruiting, and HR systems. Advises managers on sensitive employee matters, maintains compliance with employment laws, and uses HR data to recommend improvements. The role requires autonomy, sound judgment, and strong communication in a regulated manufacturing or aerospace environment.
Summary Generated by Built In

Human Resources Manager
Location: Reisterstown, MD (On-site)
Reports to: Human Resources Director

Job Summary
The HR Manager is the on-site HR lead for our Maryland facility and owns benefits administration across the company (Colorado and Maryland). This role handles complex employee relations matters independently and partners with the HR Director and site leadership on people issues, compliance, and culture. It is an individual contributor role suited to an experienced HR professional who works well with autonomy and high-stakes conversations.

Core Responsibilities

  • Benefits Ownership (Company-Wide): Own all benefits programs across Colorado and Maryland. Lead annual renewal and open enrollment with the broker and carriers. Manage eligibility, carrier and vendor relationships, and compliance with federal and multi-state requirements.
  • Employee Relations: Lead employee relations for the Maryland site, including performance and disciplinary matters, conflict resolution, and accommodation requests. Coach managers through difficult conversations and document cases thoroughly. Use sound judgment and high emotional intelligence to resolve sensitive issues fairly and consistently.
  • Leave Management: Manage FMLA, state leave, disability, and workers’ compensation cases from intake to return to work.
  • Payroll Support: Support the HR Director with Maryland payroll. Enter PTO, holidays, bonuses, and reimbursements, and help with timesheet approvals and corrections. Confirm new hires have completed their tax withholding forms before payroll is processed.
  • Compliance & Training: Track required training and certifications, including safety and AS9100. Help build HR training programs, including management training on topics like documentation, coaching, and handling employee issues. Keep HR practices compliant with federal and Maryland employment law.
  • Onboarding: Run new hire onboarding and orientation. Improve and build out the onboarding process so new hires are set up for success from day one.
  • Engagement & Retention: Lead engagement and recognition programs at the Maryland site. Use exit interview feedback, turnover data, and employee input to find retention risks and recommend improvements.
  • Talent Acquisition: Partner with the Talent team and hiring managers on local recruiting. Help define role requirements, screen candidates, and take part in interviews. Represent the company at local career fairs and community events.
  • HR Systems & Data: Maintain data accuracy in BambooHR and PayPro. Use HR data to spot trends and recommend improvements. Use AI tools and Microsoft Office to work efficiently.

Qualifications

  • 5+ years of progressive HR experience, including at least 2 years owning benefits administration
  • Proven experience leading complex employee relations cases
  • Working knowledge of FMLA, ADA, ACA, COBRA, and ERISA; multi-state experience preferred
  • Payroll experience preferred
  • High emotional intelligence, with the ability to stay calm, fair, and discreet in difficult situations
  • Strong written and verbal communication; comfortable advising managers and leadership
  • Manufacturing, aerospace, or regulated-industry experience preferred
  • Bachelor’s degree in HR, Business, or a related field, or equivalent experience required; SHRM-CP/SCP or PHR/SPHR preferred

Physical Requirements

  • Prolonged periods of sitting and computer work
  • Occasional lifting up to 15 lbs
  • Ability to move throughout the Reisterstown facility, including the production floor

To adhere to U.S. Government international trade regulations, applicant must be a U.S. Citizen.


At Primus Aerospace, we are proud to be an Equal Opportunity Employer. We are committed to creating an inclusive environment that supports, respects, and celebrates all individuals.


Compensation
$85,000–$100,000 per year

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Skills Required

  • 5+ years of progressive human resources experience
  • At least 2 years owning benefits administration
  • Experience leading complex employee relations cases
  • Working knowledge of FMLA, ADA, ACA, COBRA, and ERISA
  • Bachelor’s degree in Human Resources, Business, or a related field, or equivalent experience
  • Strong written and verbal communication skills
  • Ability to advise managers and leadership
  • High emotional intelligence and discretion in difficult situations
  • Multi-state HR experience
  • Payroll experience
  • Manufacturing, aerospace, or regulated-industry experience
  • SHRM-CP, SHRM-SCP, PHR, or SPHR certification
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The Company
HQ: Lakewood, CO
82 Employees
Year Founded: 1989

What We Do

Primus Aerospace is a manufacturing partner to aerospace, defense, and space OEMs, primes, and Tier I suppliers. It produces high-tolerance, complex-geometry components from standard and exotic metals, providing precision machining, fabrication, assembly, integration, and manufacturing support. The company delivers integrated, build-to-print technical solutions and critical parts for civilian and defense programs, emphasizing performance, service, tight tolerances, and flexibility to meet customers’ evolving requirements.

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