Senior Windows Systems Administrator
Location: Phoenix, AZ (Onsite)
Compensation: Up to $100K base salary (DOE) + annual company/performance bonus and top-tier benefits
The Keller Group is partnering with a well-established, Arizona-based organization to hire a Senior Systems Administrator to support daily operations across servers, networks, and end-user systems. This key role will work closely with IT leadership to maintain a stable, secure environment and provide hands-on support across the business. This is a fully onsite position, so all candidates must be in the Greater Phoenix Area. We're looking for someone who is experienced, direct, and comfortable owning systems administration and troubleshooting in a fast-moving environment.
Qualifications:
- 5+ years of progressive experience with IT systems administration
- AutoCAD experience (diagnosing AutoCAD issues, supporting workstation environments, proficiency in AutoCAD Civil 3D, etc)
- Expertise with Windows Servers, Active Directory, and Microsoft 365
- Advanced networking knowledge (firewalls, VLANs, VPNs, routing/switching)
- Comfortable supporting various offices and remote employees
- Solid grasp of troubleshooting skills and hands-on firewall experience
- Clear, professional communicator who's comfortable working independently
Preferred:
- Knowledge of Autodesk and Bentley software
- Experience in the Architectural, Engineering and Construction (AEC) industry or similar (ie Civil Engineering, Transportation Engineering)
- Hands-on experience with SonicWall firewalls
- Bachelor's degree in Computer Science, Information Systems or relevant field
Key Responsibilities:
Own Core Systems + Network Operations
- Manage and maintain Windows server environments and core infrastructure
- Monitor performance, reliability, and system uptime
- Troubleshoot complex issues across systems, networking, and user environments
Support Microsoft 365 + Active Directory
- Administer Microsoft 365 (users, permissions, policies, security settings)
- Manage Active Directory and user access controls
- Support endpoint and identity-related troubleshooting
Manage Network + Security
- Configure and support network components including firewalls, VLANs, VPNs, routing, and switching
- Support cybersecurity tools, patching, and standard best practices
- Ensure systems meet security and compliance expectations
Support Industry Software + End Users
- Provide support for AutoCAD and related workstation environments
- Assist with troubleshooting software performance and access issues
- Provide onsite technical support for daily employee needs
Documentation + Process Improvement
- Maintain clear documentation for system configurations and procedures
- Recommend improvements for stability, security, and efficiency
