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Director of Human Resources

Job DescriptionJob Description

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 3,500+ employees across 30 companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Recruiter Notice: We respectfully ask external recruiters and staffing agencies not to submit candidates. We only accept direct applications.

Mullins Mechanical is a leader in industrial and large commercial mechanical, plumbing, and HVAC construction projects across manufacturing facilities, automotive plants, chemical processing sites, data centers, warehouses, and other complex industrial environments. As a self-performing specialty contractor, we deliver excellence in design-build solutions, process and utility piping, HVAC systems, plumbing, equipment installation and rigging, metal fabrication, plant maintenance, and relocation.

As our organization continues to scale, we are evolving our Human Resources function to support a more complex, multi-layered business. We are seeking a strategic and execution-focused Director of Human Resources to serve as a true business partner for executive and operational leadership. This role will operate as a player/coach, leading the HR function while directly shaping organizational strategy, workforce design, and leadership capability.

This leader will bring experience supporting and scaling multi-layered organizations, with the ability to design and build effective teams, lead organizational design and development efforts, and deliver a forward-looking HR strategy that enables growth. This role will site on the Mullins leadership team at our headquarters in Carrollton, GA and will report to the Corporate HR Director of Kelso Industries, ensuring alignment with both Mullins executives and enterprise HR strategy and standards.

Key Responsibilities

Strategic HR & Business Partnership

  • Partner with executive leadership to define and execute a comprehensive HR strategy aligned to business growth, operational complexity, and long-term objectives
  • Act as a trusted advisor to senior leaders, influencing decision-making across workforce planning, organizational design, and leadership effectiveness
  • Lead site design efforts, including structuring multi-layered teams, clarifying roles and spans/layers, and enabling scalable growth
  • Translate business strategy into actionable talent plans, ensuring the organization has the leadership, structure, and capability to execute

HR Leadership & Team Development

  • Lead, develop, and scale the Mullins HR function, establishing a high-performing team and service delivery model
  • Operate as a player/coach by balancing hands-on execution with strategic leadership and capability building
  • Establish clear priorities, operating rhythms, and performance expectations across the HR team

Talent, Culture & Organizational Development

  • Design/implement scalable programs across performance management, leadership development, succession planning, and career pathing
  • Build leadership capability at all levels through coaching, tools, and structured development programs
  • Champion a culture of accountability, safety, teamwork, and continuous improvement aligned with field and operational environments
  • Lead employee engagement and organizational effectiveness initiatives that strengthen retention and performance

Employee Relations & Leadership Coaching

  • Provide executive-level guidance on complex employee relations matters, investigations, and risk mitigation
  • Coach leaders to effectively manage performance, conflict, and team dynamics
  • Ensure consistent, fair, and values-aligned application of policies and practices across the organization

Compliance & HR Operations

  • Ensure full compliance with federal, state, and local employment laws (ADA, FMLA, FLSA, I-9, EEO, COBRA, USERRA, workers' compensation, etc.)
  • Be a champion of corporate HR Operation initiatives for Mullins Mechanical.

Qualifications

  • 10+ years of progressive HR experience, including senior leadership roles with enterprise or divisional scope
  • Proven experience supporting and scaling multi-layered, operationally complex organizations (construction or industrial MEP strongly )
  • Demonstrated success operating as a strategic HR business partner to senior leadership
  • Deep expertise in organizational design, leadership development, employee relations, and HR operations
  • Track record of building and leading high-performing HR teams
  • Bachelor's degree required; advanced degree and/or SPHR/SHRM-SCP
  • Excellent executive communication, influence, and stakeholder management skills
  • Ability to balance strategic thinking with hands-on execution in a fast-paced, growth-oriented environment
  • Willingness to travel occasionally to job sites, regional offices and corporate as needed

Work Location

Mullins Mechanical office located in Carrollton, Georgia.

Why Join Kelso Industries?

Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.

Here you will experience:

Growth Opportunities: Develop new skills, take on exciting challenges, and advance your career in meaningful ways.

Company Culture: You'll thrive in an environment that supports your growth, values your contributions, and makes work fulfilling and enjoyable.

Impact: Your work directly contributes to meaningful outcomes, allowing you to see the difference you make and feel a sense of purpose every day.

Competitive Compensation & Benefits: You'll be rewarded fairly for your contributions while enjoying perks that enhance your financial security, health, and overall well-being.

Kelso Industries celebrates and is committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment based on , color, , , ancestry, , , and/or expression, , veteran status, , or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business