System Administrator- Tier III

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When you join ABS, you're starting more than just a new job. You're beginning a new step in your career, where you will be using your technological expertise and communication skills to help people achieve their goals and feel good about the process. We are guided by The ABS Way , a business philosophy that emphasizes people and relationships, and select new team members not only based on their "hard skills", but on their ability to embody our unique way of doing business.

Position: System Administrator
- Tier III Location: Louisville, KY Job : 498 # of Openings: 1 System Administrator
- Tier III

System Administrator
- Tier III Reports to:
Service Manager. Hours

Required:

Full-time (40 hours per week).

Location:

Louisville, KY.

Founded in 1995, Advanced Business Solutions (ABS) is a Customer Service company first and an IT Service company second. We’ve experienced consistent growth and expansion, creating exciting opportunities for advancement within our team.

At ABS, we encourage ingenuity, creativity, and continuous improvement in all aspects of our business. The key to our success is our constant desire to enhance the Customer Experience through technology, teamwork, and trust.

The System Administrator
- Tier III (also referred to as a Tier 3 Technician) is a proactive, self-motivated professional with advanced troubleshooting and analytical skills. This individual thrives in a fast-paced, service-oriented environment and holds themselves to a high standard of technical and customer service excellence.

The ideal candidate is detail-oriented, customer-focused, and possesses a positive "can-do" attitude. They exhibit strong critical thinking, perseverance, and adaptability. As an escalation point for complex technical issues, this role demands leadership, ownership, and a passion for creating and implementing effective solutions.

At ABS, our Tier III technicians are leaders—collaborators who bring creativity and empathy to their work. They understand that trust and integrity are the foundation of every customer relationship. The right candidate is knowledgeable, authentic, personable, and passionate about helping people achieve more through technology.

• Troubleshoot advanced technical issues involving desktops, servers, networking equipment, and storage appliances.
• Work directly with vendors to support hundreds of applications across diverse customer environments.
• Act as the escalation point for advanced technical problems and take ownership of high-profile or complex issues.
• Provide leadership and serve as a Senior Technical Resource for Tier I and Tier II technicians.
• Lead root-cause analysis (RCA) investigations and implement permanent resolutions.
• Participate in the planning and execution of infrastructure upgrades, cloud migrations, and new client onboardings.
• Develop and maintain technical documentation, standard operating procedures (SOPs), and internal knowledge base articles.
• Collaborate closely with the Service Manager and other engineers to continuously improve processes and customer outcomes.

• Experience working within a Managed Service Provider (MSP) environment, including ticketing, SLA management, and client escalation processes.
• Proficiency with Remote Monitoring and Management (RMM) tools (e.g., Connect Wise, N-Central, Datto, Kaseya, or Ninja One).
• Strong understanding of backup and disaster recovery solutions such as Datto, Veeam, or Acronis.
• Familiarity with endpoint security, conditional access, MFA, and compliance frameworks (HIPAA, SOC2, etc.).
• Proven ability to mentor others, manage priorities, and deliver results in a dynamic, customer-facing environment.

• 5–7 years of relevant IT experience.
• 1–3 years of experience in a senior technical or Tier III role.
• Strong working knowledge of Microsoft Desktop and Server operating systems, including Windows 10/11 and Server 2016/2019/2022/2025.
• Expertise with Active Directory, Microsoft Entra  (Azure AD), Exchange, Microsoft 365, and Intune.
• Strong understanding of networking…