Senior Windows Systems Administrator

MANTECH • Chantilly, VA

6d • $128,000 - $214,400 • Onsite

About The Position

MANTECH is seeking a Senior Windows Systems Administrator to join its Information Technology and Analytic professionals in Chantilly, Virginia. The role supports the Sponsor’s Windows environment within a Big Data ecosystem, maintaining and enhancing Windows infrastructure and contributing to national security. The administrator focuses on operations, security, and hardware and software integration, collaborating with a systems team and cross-functional groups.

Requirements

• High school diploma and at least 7 years of relevant Windows systems experience.
• Experience with complex system architectures and interconnected data environments.
• Hands-on experience with Active Directory, LDAP, and Centrify for domain management.
• Experience and proficiency applying security patches in enterprise systems.
• Experience scripting in PowerShell, VB, or similar tools.
• Experience managing environments running Windows Server 2008, 2012, and 2016.
• Experience with Microsoft System Center Operations Manager (SCOM) and Access Control Service (ACS).
• Experience with Microsoft Exchange, Outlook, and antivirus solutions including Symantec and McAfee.
• An active/current TS/SCI with Polygraph security clearance is required.

Nice To Haves

• Familiarity with LAN, SAN, TCP/IP, and Cisco network configurations.
• MCSE or MCITP certification.
• Experience with VMware 5+ and a VMware Certified Professional (VCP) credential.

Responsibilities

• Sustain and improve the organization’s Windows infrastructure as part of a collaborative systems team.
• Research and resolve operating system problems efficiently and in accordance with organizational standards.
• Troubleshoot operating system issues and collaborate with application development and networking teams.
• Build and harden Windows servers and establish and manage configuration baselines.
• Plan, test, install, integrate, and maintain new or updated operating systems.
• Apply security and firmware patches promptly and assist with patch management strategies.
• Test and integrate new hardware and software components.
• Manage the operating system lifecycle.
• Design interfaces to external systems and maintain thorough documentation on system configurations and processes.

Benefits

• Health insurance, depending upon position.
• Life insurance.
• Paid time off.
• Holiday pay.
• Short-term and long-term disability.
• Retirement and savings.
• Learning and development opportunities.
• Wellness programs.
• Other optional benefit elections, depending upon position.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED