Senior Systems Engineer (VMware & Microsoft Infrastructure)

Us-Il-Cicerosenior
Systems EngineerInfrastructure & Cloud
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Quick Summary

Requirements Summary

VMware vSphere ESXi vCenter VMware lifecycle management, upgrades, and performance optimization Active Directory Microsoft 365 Entra ID Intune Experience designing, managing,

Technical Tools
Systems EngineerInfrastructure & Cloud

Responsibilities

~1 min read

We are seeking a Senior Systems Engineer with deep expertise in VMware infrastructure technologies to serve as the organization's onsite technical subject matter expert for VMware, Active Directory, Microsoft 365, Entra ID, and Intune environments.

 

This individual will play a critical role in the administration, optimization, and modernization of the organization's VMware infrastructure while helping establish long-term architecture, standards, governance, and best practices. The ideal candidate is not only a strong systems administrator, but also someone who understands infrastructure architecture, can drive strategic improvements, and enjoys collaborating closely with team members through knowledge sharing and mentorship.

 

Requirements

~1 min read
  • Significant hands-on experience administering and supporting enterprise VMware environments.
  • Strong expertise with:
    • VMware vSphere
    • ESXi
    • vCenter
    • VMware lifecycle management, upgrades, and performance optimization
    • Active Directory
    • Microsoft 365
    • Entra ID
    • Intune
  • Experience designing, managing, and troubleshooting highly available virtualized environments.
  • Experience supporting hybrid Microsoft infrastructure environments hosted on VMware platforms.
  • Strong understanding of storage, compute, networking, and virtualization concepts.
  • Experience with VMware capacity planning, performance tuning, disaster recovery, and infrastructure modernization initiatives.
  • Strong understanding of identity and access management principles.
  • Experience with PowerShell scripting and automation.
  • Proven ability to troubleshoot complex infrastructure issues across VMware and Microsoft technology stacks.
  • Experience documenting environments, implementing standards, and driving infrastructure improvements.
  • Strong communication and collaboration skills with the ability to work effectively across teams.
  • Legally authorized to work in the U.S. without sponsorship.
  • Must demonstrate a "can-do" attitude.
  • Bachelor's degree in Information Technology, Computer Science, or a related field preferred.
  • Equivalent combination of professional experience and technical expertise will also be considered.
  • VMware certifications (VCP, VCAP) highly preferred.
  • Relevant Microsoft infrastructure certifications are a plus.
  • Experience participating in virtualization migrations, datacenter transformations, or infrastructure modernization projects.

What We Offer

~1 min read

$48-$57 per hour

 

We offer weekly competitive pay, medical, dental, vision, 401K and more.

      

 

 

Sentinel delivers solutions that can efficiently address a range of IT needs – from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982, Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of today’s global technology leaders including Cisco, Dell, VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ), Chicago, and Springfield, IL; Phoenix, AZ.; Lansing, and Grand Rapids, MI; Milwaukee, WI; and Denver, CO.

 

If you are MOTIVATED… you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and values a team-oriented culture with rewards based on impact!

 

If you share our passion about what technology can do and want to be part of a top workplace environment – we’d like to have you join our team.  Learn more at www.sentinel.com/careers.

 

As part of Sentinel's employment process, candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.

 

Sentinel is proud to be an equal opportunity employer including disability and veterans. In accordance with Title VII and state regulations, all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, marital status, pregnancy, genetics, disability, military, veteran status or any other basis protected by law.

 

If you are an individual with a disability and need assistance in applying for a position, please contact SentinelHR1@sentinel.com.

 

The “Know Your Rights” Poster is available here

 

https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf

 

Sentinel EEO Policy Statement is available here.

 

https://www.sentinel.com/about/diversity

 

JFNDNP

 

Location & Eligibility

Where is the job
Us-Il-Cicero
On-site at the office
Who can apply
Same as job location

About this job

Posted
24 days ago
Employer
has 20 open jobs on Jobera.

Listing Details

Posted
September 23, 2026
First seen
September 25, 2026
Last seen
October 17, 2026

Posting Health

Days active
21
Repost count
0
Trust Level
18%
Scored at
October 17, 2026

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Senior Systems Engineer (VMware & Microsoft Infrastructure)