Senior Systems Engineer (Windows Administration)

Job Description

Job Description

About the Role

We are seeking a highly skilled Senior Systems Engineer with deep expertise in Windows administration and enterprise endpoint management. This role is critical in designing, implementing, and maintaining secure, scalable infrastructure with a focus on Active Directory, Group Policy, and modern device management solutions.

Key Responsibilities

• Administer and maintain Windows Server environments
• Design and manage Active Directory/Entra architecture
• Create, deploy, and troubleshoot Group Policy Objects (GPOs) across the organization
• Implement and manage Microsoft Intune for endpoint configuration, compliance, and security
• Monitor system performance and ensure high availability and reliability
• Collaborate with security and network teams to support enterprise-wide initiatives
• Provide Tier 3 support and mentor junior engineers

Required Qualifications

• 7+ years of experience in Windows Systems Administration or Engineering
• Strong expertise in:
  • Active Directory (AD DS, DNS, DHCP)
  • Microsoft Entra
  • Group Policy design and troubleshooting
  • Microsoft Intune / Endpoint Manager
• Experience with Windows Server (2019/2022,2025)
• Proficiency in PowerShell scripting and automation
• Solid understanding of identity management and security principles
• Experience with Entra AD / Hybrid environments
• Strong troubleshooting and problem-solving skills

Preferred / Nice-to-Have Skills

• Experience with:
  • Azure Infrastructure (IaaS/PaaS)
  • Microsoft Entra ID (Azure AD)
  • Conditional Access policies
  • Endpoint security tools (Defender for Endpoint, etc.)
• Knowledge of virtualization platforms (VMware, Hyper-V, Azure Local)
• Familiarity with networking concepts (VPN, firewalls, routing)
• Experience with configuration management tools (SCCM/MECM)
• Certifications such as:
  • Microsoft Certified: Azure Administrator Associate
  • Microsoft Certified: Identity and Access Administrator
  • MCSE or equivalent

Soft Skills

• Excellent communication and documentation skills
• Ability to lead projects and work cross-functionally
• Strong attention to detail and organizational skills
• Self-motivated with the ability to work independently

What We Offer

• Competitive salary and benefits package
• Opportunities for professional development and certification
• Collaborative and innovative team culture

Company Description

MC Services is an IT firm offering a wide range of IT consulting, integration, development services,
management consulting, staff augmentation, network integration, training, and technical support.
You will be working with our clients designing, deploying and maintaining Mac, PC, and iOS based
environments and should posses a passion for interacting and delivering solutions to our clients. We
are certified members of the Apple Consultants Network and have relationships with Ruckus, Cisco,
Meraki, Barracuda, VMware, and Microsoft.

At MC Services, you’re part of a team of some top-notch talent. This is an
environment where employees can thrive. By enabling our clients to use a wide range of
technology more effectively, you not only help them succeed, but also help us succeed!

Company Description

MC Services is an IT firm offering a wide range of IT consulting, integration, development services,\r\nmanagement consulting, staff augmentation, network integration, training, and technical support.\r\nYou will be working with our clients designing, deploying and maintaining Mac, PC, and iOS based\r\nenvironments and should posses a passion for interacting and delivering solutions to our clients. We\r\nare certified members of the Apple Consultants Network and have relationships with Ruckus, Cisco,\r\nMeraki, Barracuda, VMware, and Microsoft.\r\n\r\nAt MC Services, you’re part of a team of some top-notch talent. This is an\r\nenvironment where employees can thrive. By enabling our clients to use a wide range of\r\ntechnology more effectively, you not only help them succeed, but also help us succeed!