IT Sr. Systems Administrator (On-site) No C2C

HEPCO, Inc.; Manassas (VA); On-site; USD 69,000 - 79,000; Full time

Benefits offered by this job

Health Insurance

401k

Job summary

HEPCO, Inc. is seeking a Senior Systems Administrator to manage Windows Server environments, AD, cybersecurity, Azure, and virtualization. The role focuses on security controls, vulnerability management, and automation using PowerShell.

Responsibilities include administering AD, Windows Server versions, Office 365, Azure, EDR tools, and disaster recovery; implementing Zero Trust and least-privilege access.

Qualifications

• Bachelor’s degree in Computer Science, MIS, or related field.
• At least 10 years of experience with Windows Server, Active Directory, GPO, cybersecurity, and TCP/IP networking.
• Strong knowledge of vulnerability assessments and security frameworks (CIS/NIST).
• Experience with Azure and Microsoft 365.
• Experience administering endpoint security and EDR solutions.
• Strong virtualization, asset management, and PowerShell scripting skills.
• Excellent communication, analytical, and problem-solving abilities.
• Able to work well in a collaborative team.
• Strong work ethic and attention to detail.

Responsibilities

• Manage and maintain Active Directory: user accounts, security groups, and GPOs.
• Administer Windows Server 2016, 2019, and 2022 environments.
• Support Office 365, file clusters, and print servers.
• Configure OS baselines for Windows servers/workstations.
• Install, patch, and upgrade Windows OS.
• Implement security controls per CIS/NIST; conduct vulnerability mitigations.
• Support Zero Trust architecture implementation.
• Maintain endpoint security/EDR tools.
• Apply least-privilege access controls.
• Deploy/manage resources in Azure.
• Configure/optimize virtual environments.
• Track IT assets through lifecycle management.
• Write and troubleshoot PowerShell scripts.
• Diagnose system/app issues and provide staff support.
• Implement disaster recovery and replication for critical systems.

Skills

Active Directory

Windows Server

Group Policy

PowerShell

Azure

Endpoint Security

EDR

Vulnerability Mgmt

TCP/IP Networking

Education

Bachelor’s degree in Computer Science or MIS

Job description

Our client is seeking an experienced Senior Systems Administrator to manage and maintain Microsoft Windows systems, endpoint security, cloud infrastructure, and virtual environments. The ideal candidate will have extensive experience with Windows Server administration, Active Directory, cybersecurity, Azure, virtualization, and automation.

• Manage and maintain Active Directory, including user accounts, security groups, and Group Policy Objects.
• Administer Windows Server 2016, 2019, and 2022 environments.
• Support Microsoft Office, Microsoft 365, file clusters, and print servers.
• Maintain operating-system baselines for Windows servers and workstations.
• Install, configure, monitor, troubleshoot, patch, and upgrade Microsoft Windows operating systems.
• Recommend and implement system enhancements to improve performance, security, and reliability.
• Conduct vulnerability assessments and mitigate identified security risks.
• Implement security controls aligned with CIS and NIST guidelines.
• Support the implementation of Zero Trust architecture.
• Administer endpoint security tools, including Endpoint Detection and Response solutions.
• Apply hardened security configurations and least-privilege access controls.
• Deploy and manage resources within Microsoft Azure.
• Configure, maintain, and optimize virtual environments.
• Track IT assets throughout the inventory and lifecycle-management process.
• Write, interpret, and troubleshoot PowerShell scripts for automation.
• Diagnose complex system and application issues and provide support to technical staff.
• Implement and manage disaster-recovery strategies.
• Configure and maintain replication processes for critical systems.

Qualifications

• Bachelor’s degree in Computer Science, Management Information Systems, or a related field.
• At least 10 years of relevant experience with Microsoft Windows Server operating systems, Active Directory, Group Policy, cybersecurity, and TCP/IP networking.
• Strong knowledge of vulnerability assessments and security frameworks, including CIS and NIST.
• Experience with Microsoft Azure and Microsoft 365.
• Experience administering endpoint security and EDR solutions.
• Strong virtualization, asset-management, and PowerShell scripting skills.
• Strong communication, analytical, and problem-solving skills.
• Ability to work effectively as an adaptable team member.
• Strong work ethic and attention to detail.

Preferred Certifications

• CompTIA Security+
• Microsoft Certified Systems Administrator or Microsoft Certified Solutions Expert
• Health Insurance
• 401k

Pay Range: $50.00- $57.00per hour (Depending on experience and qualifications)

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, marital status, national origin, age, veteran status, disability, or any other protected class.