Systems & Network Engineer, Senior

We are seeking a highly skilled and versatile Senior Systems & Network Engineer to join one of our clients in Mesa, Arizona. This is a hands-on, high-impact role supporting a complex enterprise infrastructure across virtualization, networking, storage, security, and Microsoft cloud technologies.

This individual will take full ownership of the environment, serve as a key escalation point for the Director, and play a critical role in mentoring junior team members. The ideal candidate is a proactive problem-solver who thrives in fast-paced environments and is passionate about driving infrastructure improvements, stability, and modernization. This is a full-time onsite position working 4 - 10 hour days (Monday through Thursday) based in Mesa, Arizona.

What You'll Work With

• Enterprise virtualization: VMware and/or Hyper-V
• HPE storage platforms, including Simplivity
• Cisco ecosystem: Meraki, UCS, Wireless APs, and Cisco ISE
• Veeam Backup & Replication for enterprise data protection
• Microsoft technologies: SQL Server, Entra ID (Azure AD), Intune, Defender, and SharePoint Online
• Active Directory administration, including Group Policy management and hygiene
• Security and compliance frameworks, including NIST 800-171 (highly preferred), 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.

Do you have a valid Driver's License license?, Do you have experience in VMware?, * Must have hands-on experience with VMware and/or Hyper-V

• Experience with HPE storage systems and Simplivity is preferred
• Strong Cisco networking experience (Meraki, UCS, WAPs, Cisco ISE) is required
• Experience with Veeam Backup & Replication
• Microsoft SQL Server administration, maintenance, and performance tuning
• Strong knowledge of Active Directory and Group Policy management
• Experience with Entra ID (Azure AD)
• Experience with Microsoft Intune and Defender
• Experience with Microsoft Intune, Defender, and Purview-preferably within a GCC-High environment
• Familiarity with NIST 800-171 security controls and compliance requirements is a strong plus
• Experience supporting specialized assets / operational technology (OT) in a manufacturing environment, particularly for Department of Defense (DoD) contracts, is highly desirable
• SharePoint Online administration experience
• Strong troubleshooting and problem-solving skills
• Ability to work independently and take ownership of tasks
• CCNA certification or equivalent networking experience preferred
• Familiarity with security frameworks, compliance, or regulated environments
• Candidate should be comfortable working in a direct, fast-paced environment
• Must have a strong, pragmatic approach with no ego-driven behavior
• Ability to take direction and execute efficiently is critical
• The candidate must have a car, as this position requires travel between location and the transportation of equipment
• A valid driver's license and proof of vehicle insurance will be required
• 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.

Pulled from the full job description

• 401(k)
• Health insurance
• Vision insurance
• Dental insurance, We offer competitive pay, medical, dental, vision, 401K and more. Overview

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.