Demo

Senior Systems Administrator

Robert Half
Des Moines, IA Full Time
POSTED ON 9/28/2025
AVAILABLE BEFORE 7/28/2028

Location: Hybrid position (remote with limited on-site work as needed - must reside in Iowa).

Salary: $115,000 - $125,000


We are seeking a Senior Systems Administrator to join our premier client’s dynamic IT team! This critical role involves providing advanced support for on-premises and cloud-based solutions, ensuring systems operate securely, reliably, and efficiently. As the Senior Systems Administrator you’ll play a key role in managing infrastructure, monitoring performance, and supporting Microsoft 365 initiatives, all while contributing to a collaborative and learning-focused environment.


Responsibilities:

  • Infrastructure Support: Configure, maintain, and optimize hardware/software, and ensure compliance with organizational policies.
  • Cloud Solutions: Support and enhance Microsoft 365 tools (Teams, SharePoint, Exchange Online, OneDrive, Defender, etc.) and Azure environments.
  • Operational Monitoring: Manage system performance tools, proactive alerts, and risk mitigations processes.
  • Leadership: Provide mentorship, facilitate process automation, and contribute to effective cross-functional communication.
  • Customer Service: Deliver top-notch support to internal/external users; resolve complex IT issues with professionalism.
  • Quality Assurance: Participate in business continuity planning, auditing, and system configuration to ensure exceptional performance and security.

Qualifications:

  • Bachelor’s degree in Computer Science or 5 years of equivalent experience in systems administration.
  • Minimum of 3 years’ expertise in Microsoft 365 configuration, optimization, and best practices.
  • Proficiency in tools and platforms such as PowerShell scripting, VMware, Microsoft SQL, and networking best practices.
  • Hands-on experience with system software like Apache, Splunk, Tenable, and source code repositories like Git.
  • Strong analytical, communication, and organizational skills, with the ability to balance priorities and lead initiatives.

Key Competencies:

  • Critical thinking and problem-solving skills.
  • Self-motivated with a collaborative mindset.
  • Ability to communicate technical information effectively across all levels.


If you are enthusiastic about leveraging your expertise in Microsoft 365 and contributing to a complex, evolving IT landscape, send a current resume to Kristen Lee on LinkedIn or apply directly to this posting today!



  • Bachelor’s degree in Computer Science or 5 years of equivalent experience in systems administration.
  • Minimum of 3 years’ expertise in Microsoft 365 configuration, optimization, and best practices.
  • Proficiency in tools and platforms such as PowerShell scripting, VMware, Microsoft SQL, and networking best practices.
  • Hands-on experience with system software like Apache, Splunk, Tenable, and source code repositories like Git.
  • Strong analytical, communication, and organizational skills, with the ability to balance priorities and lead initiatives.




Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.



Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.



All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.



© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use.

Salary : $115,000 - $125,000

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