Systems Administrator

Hartman Executive Advisors was founded with the vision of providing business-focused, vendor-independent consulting to mid-sized companies. As independent, trusted strategic advisors to our clients, Hartman’s mission is to create meaningful business outcomes that foster growth, greater financial returns and market dominance. By developing a deep understanding of the business challenges arising from poorly aligned technology and uncovering the transformational opportunities that result from strategically aligned technology, we set the path to advance, cultivate and leverage people, processes and systems to change and transform organizations.

At Hartman, we deliver powerful business outcomes by leveraging technology strategy as a gamechanger for our clients.
Summary
We are looking for a contractor resource for approximately 24 hours/week (3 days on-site per week) that will be supporting one of Hartman's Wholesale Supplier clients as a Systems Administrator responsible for the configuration, maintenance, and reliable operation of business systems, servers, and networks. This role ensures high availability and performance of business applications while maintaining system security, backups, and upgrades.
Responsibilities

1. System Installation & Configuration

• Install and configure operating systems (Windows, Linux, or Unix).
• Set up servers, storage, and virtualization platforms.
• Deploy and manage enterprise software and services.

2. System Maintenance

• Monitor system performance and troubleshoot issues.
• Perform regular system updates, patches, and upgrades.
• Maintain system documentation and procedures.

3. User and Access Management

• Create and manage user accounts and permissions.
• Support identity management tools such as Active Directory.
• Enforce security policies and access controls.

4. Network & Infrastructure Support

• Manage network services (DNS, DHCP, VPN).
• Maintain server hardware, cloud infrastructure, and data centers.
• Coordinate with network engineers and IT teams.

5. Backup & Disaster Recovery

• Implement and manage backup solutions.
• Test disaster recovery procedures.
• Ensure data integrity and business continuity.

6. Security & Compliance

• Monitor system security and apply patches.
• Manage firewalls, antivirus, and endpoint security tools.
• Ensure compliance with organizational and regulatory standards.

7. Troubleshooting & Support

• Diagnose hardware and software issues.
• Provide technical support to internal teams.
• Respond to system outages and incidents.

Qualifications/Requirements

• Operating systems:
  Windows Server, Linux
• Virtualization: VMware, Hyper-V
• Cloud platforms: AWS, Azure, or Google Cloud
• Networking: TCP/IP, DNS, DHCP
• Monitoring tools and backup systems
• Bachelor's degree in IT or related field
• 2-5+ years of experience in system administration