Senior Systems Engineer (AD / PKI / Nutanix)

Kforce's client is hiring a Senior Systems Engineer in Austin, TX to take ownership of a complex, primarily Windows-based infrastructure environment and lead key modernization efforts. Summary: This role is heavily focused on core systems engineering, with critical responsibility for Nutanix operations and upgrades. As an Engineer, you will join a lean, fast-moving team where the priority is to clean up legacy systems, improve stability, and execute upgrades. What You'll Do:

• Own and improve Windows Server infrastructure, including legacy operating systems
• Support and modernize IIS/web infrastructure and core Windows services
• Drive upgrades and improvements to ensure long-term stability and scalability
• Administer and improve Certificate Authority (CA/PKI) environment
• Lead or support Certificate Authority upgrades and modernization efforts
• Improve certificate lifecycle management and reduce operational risk
• Provide hands-on support and administration of Nutanix environments
• Plan and execute Nutanix upgrades (AOS, firmware, LCM workflows)
• Support and troubleshoot site-to-site replication and failover readiness
• Ensure platform stability, performance, and upgrade readiness over time
• Bring working familiarity with Azure and/or AWS environments
• Assist with migrations or hybrid integration where needed
• Contribute to device and policy management using Intune
• Help align endpoint configuration with broader infrastructure standards

Support infrastructure decision-making related to:

• Workload placement (cloud vs. on-prem vs. hybrid)
• Cost awareness and optimization inputs

Lead efforts to analyze, clean up, and standardize Active Directory, with a strong focus on:

• Group Policy design, cleanup, and optimization
• Reducing GPO sprawl and misconfigurations
• Improving security and operational consistency
• 8-10+ years in hands-on systems/infrastructure engineering
• Deep experience with Windows Server environments in production
• Strong Active Directory expertise, including: Group Policy analysis, cleanup, and redesign
• Experience with Certificate Authority/PKI, including: Administration and troubleshooting, Exposure to CA upgrades or migrations
• Nutanix experience is required, including: Participation in or ownership of Nutanix upgrades, Day-to-day administration and support
• Experience working with and upgrading legacy operating systems
• Ability to work independently in a fast-paced, low-structure environment

Preferred Qualifications:

• Experience with site-to-site replication (Nutanix or similar platforms)
• Working knowledge of Azure and/or AWS
• Experience with Intune
• Familiarity with IIS/web infrastructure
• Proven track record of modernizing legacy environments safely