Windows Systems Administrator

ManTech International Corp

Chantilly, VA

JOB DETAILS
SKILLS
Access Control, Analysis Skills, Antivirus, Big Data, Calculators, Cisco Network Systems, Computer Firmware, Configuration Management, Copying Machines, Cross-Functional, Data Analysis, Documentation, Ecosystems, Embedded Systems, Environmental Management, Equal Employment Opportunity (EEO), Government Intelligence, Hardware Components, Hardware-Software Integration, Identify Issues, Information Technology & Information Systems, Intelligence Agencies, Internet Security, LDAP (Lightweight Directory Access Protocol), Local Area Network (LAN), MCITP - Microsoft Certified IT Professional, MCSE - Microsoft Certified Systems Engineer, Management Strategy, McAfee Product Family, Microsoft Active Directory, Microsoft Exchange Server, Microsoft Outlook, Microsoft System Center Operations Manager (SCOM), Microsoft Visual Basic, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Administration, Network Configuration Management, Office Equipment, Operating Systems, Operations Security (OPSEC), Organizational Development/Management, Printers, Problem Solving Skills, Product Lifecycle, Scripting (Scripting Languages), Security Patches, Software Development, Software Patches, Storage Area Network (SAN), Symantec Product Family, System Lifecycle, Systems Administration/Management, Systems Maintenance, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, Test Strategy, Testing, Windows PowerShell, Windows Server 2008 R2
LOCATION
Chantilly, VA
POSTED
30+ days ago

General Information

Requisition R66437 Locations USA-VA-Chantilly Posting Date 03032026 Security Clearance Required TSSCI w Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH. Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, weve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics, and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH.

MANTECH seeks a skilled and motivated Windows Systems Administrator to join our team of top Information Technology and Analytic professionals in Chantilly, VA. You will play a vital role in maintaining and enhancing the Sponsors Windows environment, contributing to national security through technical excellence. This dynamic role is embedded in an innovative Big Data ecosystem where collaboration and growth are encouraged.

Responsibilities

• You will help sustain and improve the organizations Windows infrastructure as part of a collaborative systems team. • Your focus will span operations security and integration of hardware and software. • Research and resolve operating system problems efficiently and accurately in adherence to organizational standards. • Troubleshoot operating system issues and collaborate with cross-functional teams, including application development and networking. • Build and harden Windows servers, establish and manage configuration baselines. • Plan, test, install, integrate, and maintain new or updated operating systems. • Apply security and firmware patches promptly, assist in maintaining patch management strategies. • Test and integrate new hardware and software components. • Manage the lifecycle of operating systems. • Design interfaces to external systems and maintain thorough documentation on system configurations and processes.

Minimum Qualifications

High School Diploma and 7 years of relevant experience with Windows systems. 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 within enterprise systems. Experience scripting in PowerShell, VB, or similar tools. Experience and ability to manage environments running Windows Server 2008, 2012, 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. Preferred Qualifications

Familiarity with LAN, SAN, TCP/IP, and Cisco network configurations. MCSE or MCITP certifications. Experience with VMware 5 and a VMware Certified Professional (VCP) credential. Security Clearance Requirements

An active-current TSSCI with Polygraph is required.

Physical Requirements

The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Must be able to use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.

Equal Employment Opportunity

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about