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Sentinel

via Icims

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Senior System Engineer

Anywhere
Full-time
Posted 1/13/2026
Direct Apply
Key Skills:
Virtualization (VMware, Hyper-V)
Server and Data Center Infrastructure
Cloud Integration and Support

Compensation

Salary Range

$110K - 150K a year

Responsibilities

Design, support, and migrate data center and cloud infrastructure, providing senior-level technical support and system engineering.

Requirements

Deep hands-on experience with server hardware, virtualization, cloud, and data center technologies, including Cisco UCS, Windows, Linux, and scripting languages.

Full Description

Responsibilities Sentinel is seeking a Senior Systems Engineer with 5–7 years of industry experience to support and design cloud and virtualization solutions. The ideal candidate will have strong expertise in VMware, Hyper-V, UCS, Linux, and Windows environments. Responsibilities include onboarding new customers, supporting data center migrations, and maintaining critical cloud infrastructure. This role requires excellent troubleshooting, problem-solving, and communication skills as you will be working with various cross functional teams. Candidates should have experience in technical support and be comfortable in a fast-paced, SLA-driven environment. This position can be remote but may need to provide onsite support to our Downers Grove, IL headquarters as needed. Qualifications Deep understanding and hands-on experience in server hardware, virtualization, cloud integrations, and security to ensure high availability, scalability, and optimal performance Design, implement, and manage mission-critical data center infrastructure Strong understanding of server virtualization, storage systems, and hands-on experience with Cisco Unified Computing System (UCS) solutions Provide senior-level technical support and system engineering for all Windows-based and Linux-based platforms including Active Directory, DNS, RDS Planning, executing, and overseeing the successful migration of data center infrastructure, applications, and services Considered a Subject Matter Expert (SME) in one or more datacenter technologies Experience with Hyper-V/SystemCenter and scripting languages (e.g., Python, PowerShell) is a plus Excellent problem-solving and troubleshooting skills Participation in after-hours work (when needed) and OnCall rotation is required Strong communication and interpersonal skills Nice to have public cloud platforms (Azure, AWS) experience Legally authorized to work in the US without sponsorship Must demonstrate a “can-do” attitude We focus on candidates that display our “ACE” factor – Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service. Compensation: $110,000-$150,000 What you get: We offer an energetic work environment with many corporate culture amenities, competitive salary, and rich benefit plan including: Medical, Dental, Vision, 401K, 529, Life Insurance, Income Protection Short and Long-Term Disability, Medical and Child/Elder Care, Flexible Spending Account Plans, Family Planning Benefits, Financial Education, Identity Theft Protection and Assistance, Legal Services, Employee Assistance Program, Two weeks’ vacation, additional paid time-off for Personal and Sick, certification and hands-on training, and employee discount for product services and entertainment. 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

This job posting was last updated on 1/14/2026

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