Systems Administrator

RELI Group, Inc.; Milford Mill (MD); On-site; USD 60,000 - 70,000; Full time

Job summary

RELI Group, Inc. is seeking a seasoned Systems Administrator to oversee enterprise IT systems, ensuring availability, security, and performance. The role includes daily maintenance, user support, and collaboration on IT projects to strengthen government-focused infrastructure.

The ideal candidate brings 3–5+ years in system administration, strong AD/Exchange expertise, and experience with virtualization and backups, with on-site work in Windsor Mill, MD.

Qualifications

• Must be onsite in Windsor Mill, MD, 5 days a week.
• 3-5+ years of experience in system administration and helpdesk support.
• Strong knowledge of Windows Server, Active Directory, Exchange/O365, DNS, DHCP, and group policy management.
• Proficiency in troubleshooting Tier 2 IT issues across hardware, software, and networking.
• Experience with virtualization platforms and backup solutions.
• Familiarity with IT ticketing systems and remote support tools.
• Strong communication skills and a user-focused mindset.
• Relevant certifications (e.g., CompTIA, Microsoft, ITIL) are a plus

Responsibilities

• Administer, maintain, and monitor corporate systems including servers (Windows/Linux), Active Directory, Exchange/O365, and virtualization platforms (VMware/Hyper-V).
• Perform routine system maintenance, patch management, and backups.
• Manage user accounts, permissions, and group policies in Active Directory.
• Troubleshoot and resolve Tier 2 hardware, software, and network issues escalated from the helpdesk.
• Support onboarding/offboarding processes including provisioning accounts, hardware, and software.
• Monitor system performance and implement performance tuning and resource optimization.
• Assist with IT projects, system upgrades, and infrastructure improvements.
• Maintain documentation for systems, procedures, and configurations.
• Ensure compliance with IT security policies and assist in audits as required.
• Provide support for remote users, VPN, and mobile device management (MDM).

Skills

Windows Server

Active Directory

Exchange/O365

DNS/DHCP

Group Policy

VMware/Hyper-V

Backups

ITIL

Helpdesk

Remote support

Education

CompTIA

Microsoft Certifications

ITIL

Tools

VMware

Hyper-V

Ticketing systems

VPN

MDM

Job description

Description

At RELI Group, our work is grounded in purpose. We partner with government agencies to solve complex challenges, improve public health, strengthen national security, and make government services more effective and efficient. Our team of over 500 professionals brings deep expertise and a shared commitment to delivering meaningful outcomes. Behind every solution is a group of experts who care deeply about impact-whether we're supporting data-driven decisions, modernizing systems or safeguarding critical programs.

The Systems Administrator is responsible for managing and maintaining enterprise IT systems, ensuring the availability, reliability, and security of infrastructure across the organization. In addition to system administration duties, this role also provides technical support to resolve helpdesk issues and ensure high levels of user satisfaction and productivity.

Responsibilities

• Administer, maintain, and monitor corporate systems including servers (Windows/Linux), Active Directory, Exchange/O365, and virtualization platforms (VMware/Hyper-V).
• Perform routine system maintenance, patch management, and backups.
• Manage user accounts, permissions, and group policies in Active Directory.
• Troubleshoot and resolve Tier 2 hardware, software, and network issues escalated from the helpdesk.
• Support onboarding/offboarding processes including provisioning accounts, hardware, and software.
• Monitor system performance and implement performance tuning and resource optimization.
• Assist with IT projects, system upgrades, and infrastructure improvements.
• Maintain documentation for systems, procedures, and configurations.
• Ensure compliance with IT security policies and assist in audits as required.
• Provide support for remote users, VPN, and mobile device management (MDM).

Qualifications

• Must be able to be onsite in Windsor Mill, MD, 5 days a week
• 3-5+ years of experience in system administration and helpdesk support.
• Strong knowledge of Windows Server, Active Directory, Exchange/O365, DNS, DHCP, and group policy management.
• Proficiency in troubleshooting Tier 2 IT issues across hardware, software, and networking.
• Experience with virtualization platforms and backup solutions.
• Familiarity with IT ticketing systems and remote support tools.
• Strong communication skills and a user-focused mindset.
• Relevant certifications (e.g., CompTIA, Microsoft, ITIL) are a plus

EEO Employer

RELI Group is an Equal Employment Opportunity / Affimative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, citizenship status, military status, protected veteran status, religion, creed, physical or mental disability, medical condition, marital status, sex, sexual orientation, gender, gender identity or expression, age, genetic information, or any other basis protected by law, ordinance, or regulation.

Salary

The annual salary range for this position is $60,000 to $70,000. Actual compensation will depend on a range of factors, including but not limited to the individual's skills, experience, qualifications, certifications, location, other business and organizational needs, and applicable employment laws. The estimate displayed represents the typical salary range for this position and is just one component of the total compensation package for employees.

RELI Group provides a variety of additional benefits to its employees. For additional details on the benefits that RELI Group offers click here