Systems Engineer (Microsoft Cloud & Infrastructure)

We are seeking a Systems Engineer to support and enhance our Microsoft-centric infrastructure with a strong focus on Azure and Microsoft 365 (O365). This role is ideal for someone who can hit the ground running while continuing to grow within a rapidly expanding organization. You will play a key role in designing implementing and supporting cloud-first infrastructure ensuring scalability security and performance across enterprise systems. This position requires a collaborative team player with strong communication skills and a desire to learn and grow.

This is a direct hire opportunity located onsite Monday-Friday in either Barrington or Chicago IL with 10% travel throughout the Midwest.

Cloud & Infrastructure Engineering

• Design implement and manage Microsoft Azure infrastructure (IaaS/PaaS)
• Administer and optimize Microsoft 365 (O365) including Exchange Online Teams SharePoint and OneDrive
• Support hybrid environments integrating cloud and on-premise systems
• Manage server infrastructure across Windows environments

Security & Compliance

• Support and maintain security solutions (including OTS security tools)
• Implement best practices for identity access and cloud security
• Assist in maintaining compliance data protection and system integrity

Systems Administration & Support

• Provide Tier 2/3 technical support across infrastructure systems
• Troubleshoot and resolve issues in cloud server and network environments
• Support Active Directory DNS and related services
• Assist with system upgrades patching and lifecycle management

Collaboration & Growth

• Work closely with cross-functional teams to support business operations
• Contribute to infrastructure improvements and modernization initiatives
• Participate in projects including cloud migrations and system deployments

Required Qualifications

• 56 years of experience in systems engineering cloud or infrastructure roles
  (more senior candidates with strong skills also considered)
• Hands-on experience with:
• Microsoft Azure
• Microsoft 365 / O365 administration
• Windows server environments
• Experience with cloud architecture and infrastructure design
• Exposure to security practices and tools
• Strong troubleshooting and problem-solving skills
• Excellent communication and teamwork abilities

Preferred Qualifications

• Experience with hybrid cloud/on-prem environments
• Familiarity with scripting (PowerShell or similar)
• Exposure to enterprise security tools and frameworks
• Relevant certifications (Azure Microsoft 365 etc.) are a plus but not required

Why Join Us

• Rapid company growth (2x growth in the past 3 years) with continued expansion
• High-impact role with visibility across the organization
• Opportunity to grow your career alongside evolving technology initiatives
• Collaborative and supportive team environment

We focus on candidates that display our ACE factor Attitude Compassion and Enthusiasm to deliver quality solutions with exceptional customer service.

Compensation Range:

$90000- $120000 annually

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 todays 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 wed like to have you join our team. Learn more at

As part of Sentinels 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 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 .

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EEO Policy Statement is available here.

Experience:

IC