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Sentinel Technologies Jobs in Naperville, IL (NOW HIRING)

Sentinel

SharePoint Engineer

Downers Grove, IL · On-site +1

$110K - $140K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

Sales Executive

Downers Grove, IL · On-site

$60K - $200K/yr

Why Sentinel? We provide full support to ensure your success, including access to Infrastructure Architects, Pre-Sales IT Solution Architects, Administrative Support, and Project Management-allowing ...

Sentinel

Linux Systems Administrator

Chicago, IL · On-site +1

$82K - $110K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

ICT Design Engineer

Downers Grove, IL · On-site

$80K - $120K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

ICT Design Engineer

Downers Grove, IL · On-site

$80K - $120K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

ICT Design Engineer

Downers Grove, IL · On-site

$80K - $120K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

Marketing Operations Manager

Downers Grove, IL · On-site

$90K - $120K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

Marketing Operations Manager

Downers Grove, IL · On-site

$90K - $120K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

Sentinel

Marketing Operations Manager

Downers Grove, IL · On-site

$90K - $120K/yr

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012! About Us: Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to ...

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Sentinel Technologies information

What is the difference between Sentinel Technologies vs Network Security Specialist?

AspectSentinel TechnologiesNetwork Security Specialist
CertificationsCompTIA Security+, Cisco CCNA, CISSP (preferred)CompTIA Security+, Cisco CCNA, CISSP (preferred)
Work EnvironmentIT security teams, managed service providers, corporate IT departmentsCorporate IT security teams, consulting firms, government agencies
Industry UsageTechnology, finance, healthcare, governmentTechnology, finance, healthcare, government
Job FocusImplementing security solutions, monitoring threats, incident responseDesigning security protocols, analyzing vulnerabilities, threat mitigation

Both Sentinel Technologies and Network Security Specialists work in cybersecurity, often sharing certifications and work environments. Sentinel Technologies typically provides managed security services and IT solutions, while Network Security Specialists focus on designing and analyzing security systems within organizations. The roles are complementary, with overlapping skills but different primary responsibilities.

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Sentinel Technologies jobs near you
Infographic showing various Sentinel Technologies job openings in Naperville, IL as of August 2026, with employment types broken down into 66% Full Time, 18% Part Time, and 16% Contract. Highlights an 93% In-person, and 7% Hybrid job distribution.

Senior Systems Engineer (Microsoft Infrastructure)

Sentinel

Cicero, IL • On-site

$48 - $57/hr

Contractor

Medical, Dental, Vision, Retirement

Posted 11 days ago

Key responsibilities

  • Serve as the onsite technical subject matter expert for Active Directory, Microsoft 365, Intune, and VMware environments.

  • Support and modernize the current infrastructure while establishing long-term architecture, standards, governance, and best practices.

  • Document environments, implement standards, and drive infrastructure improvements.

Sentinel Real Estate rating

8.1

Company rating: 8.1 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

45th of 260 rated facilities management

Job description

Responsibilities
We are seeking a Senior Systems Engineer with deep expertise in Microsoft infrastructure technologies to serve as the organization's onsite technical subject matter expert for Active Directory, Microsoft 365, Intune, and VMware environments.
This individual will play a critical role in both supporting and modernizing the current 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 improvements, and enjoys collaborating closely with team members through knowledge sharing and mentorship.
This is an excellent opportunity for a hands-on infrastructure professional who enjoys transforming and optimizing enterprise environments rather than simply maintaining them.
This is a contract to hire position located onsite in Cicero, Illinois.
Qualifications
  • Significant hands-on experience administering enterprise Microsoft infrastructure environments.
  • Strong expertise with:
    • Active Directory
    • Microsoft 365
    • Entra ID
    • Intune
    • VMware
  • Experience supporting hybrid Microsoft environments.
  • Strong understanding of identity and access management principles.
  • Experience with PowerShell scripting and automation.
  • Proven ability to troubleshoot complex infrastructure issues.
  • 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 US without sponsorship
  • Must demonstrate a "can-do" attitude

Preferred Requirements:
  • 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.
  • Relevant Microsoft, VMware, or infrastructure certifications are a plus.

We focus on candidates that display our "ACE" factor - Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.
Compensation Range:
$48-$57 per hour
What you get:
We offer weekly competitive pay, medical, dental, vision, 401K and more.
Overview
MOTIVATED.....make IT happen!
Sentinel Technologies, Inc. has been rated a top workplace every year since 2012!
About Us:
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
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