Sr. Manager, People & Culture

Sr. Manager, People & Culture

Company: Security Equipment Supply, Inc. (SES)

Location: Earth City, MO

Job Type: Full-Time | Exempt | Hybrid Work Model

Security Equipment Supply (SES) is an independent, privately held distributor of low‑voltage electronics. Since 1982, we've grown to 16 locations across 13 states, delivering trusted solutions in access control, fire and life safety, surveillance, home entertainment, and more.

We’re in a transformative phase—modernizing operations, investing in technology, and enhancing customer and employee experiences. SES is committed to growing talent from within and creating meaningful career paths across the organization. Most roles provide some flexibility, offering consistency in your work, while still driving impact.

At SES, we don’t just work here — we care for what we’ve built and the people we work with.

• Respect
• Celebration
• Excellence
• Integrity

• Fun‑Loving Spirit
• Commitment to Growth

We’re looking for a Senior Manager, People & Culture who thrives on ownership, urgency, and engagement. This is not a visionary role—we don’t need someone to dream up ideas we’ll never use. We need someone who gets it, executes, and performs with confidence and attention to detail, while keeping business goals and people needs in balance.

As a key member of our Extended Leadership Team, you’ll drive our people strategy execution with support from Senior / Executive Leadership, lead people operations, and foster a culture of accountability, engagement, and growth. You’ll be trusted to make decisions, handle risk and sensitive matters with confidence, and step into tough conversations when needed—all while building trust and connection across the organization.

• Lead and execute People & Culture strategies aligned with company goals.
• Oversee recruiting, onboarding, development, and performance management.
• Build and promote programs that drive engagement, compensation, and recognition.
• Serve as a trusted advisor to leaders while protecting the business and advocating for employees.
• Ensure compliance, manage risk, and standardize HR processes with scalability in mind.
• Lead, develop, and inspire a small HR team and external partners.

• 7–10 years progressive HR/People leadership experience.
• Confident, self‑assertive decision‑maker who owns outcomes.
• Strong attention to detail—someone who doesn’t miss things.
• High sense of urgency with the ability to juggle competing priorities.
• Persuasive and collaborative—able to influence while supporting.
• Comfortable handling tough conversations with fairness and respect.
• HR certification (PHR, SPHR, SHRM‑CP/SCP) strongly preferred.

• Employee Retention
• Time-to-Fill and Recruitment Efficiency
• Internal Promotion Rate
• Succession Planning Execution
• Culture & Engagement

You’ll have autonomy to run People & Culture your way—within a framework of business goals, compliance, and accountability. You’ll be part of a leadership team that values results, expects precision, and respects those who can deliver with confidence and urgency.

• Profit sharing & retirement: SEP IRA contributions and annual profit‑sharing bonuses
• Health benefits:
  
  affordable medical, dental, and vision plans
• Career growth: ongoing development, advancement opportunities, and a promote‑from‑within culture

• Standard office setting with occasional branch visits.
• Ability to lift up to 25 lbs occasionally.
• Some travel and occasional evening/weekend work required.

As part of our hiring process, we invite you to complete a brief personality survey to help us understand how you work best.

Be part of a growing company where your work matters, your growth is supported, and your success is celebrated.