ManTech International

Intermediate Systems Administrator

ManTech International$85K — $141K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's Degree and 2+ years or high school diploma/GED and 4+ years of relevant experience.
  • Experience in maintenance, repair, upgrade, and life cycle support of hardware/software.
  • Proficient in implementing and managing Windows File Shares using ABAC.
  • Experience in leading and mentoring junior administrators.
  • Active Security+ certification required.
  • Collaboration skills with IT teams for system integration and configuration management.

Responsibilities

  • Manage Windows Folders and Files using ABAC.
  • Design, implement, and maintain VMware vSphere environments.
  • Troubleshoot and resolve VMware-related issues.
  • Manage, monitor, and troubleshoot Active Directory and Group Policy infrastructure.
  • Monitor and maintain system/server configuration.
  • Administer user and group management in Active Directory.
  • Create and maintain documentation for systems architecture.

Benefits

  • Health Insurance
  • 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
Full Job Description
Description & Requirements

MANTECH seeks a motivated, mission-oriented Intermediate Systems Administrator to join our team in Chantilly, VA.

As the Systems Administrator, you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities. You will play a key role in the management, optimization, and troubleshooting of our VMware virtualized environment and Active Directory infrastructure, ensuring seamless and reliable operations for the organization. You will demonstrate knowledge and understanding of client and server operations, including Windows Share and Folder permissions using Attribute Access Control (ABAC) and Role Based Access Control (RBAC), maintenance with Windows 10 and 11 environments and Windows Server 2016/2019, to include Active Directory, Domain Controllers, DNS, GPOs, PKI, DHCP, VMware ver. 8, Backup Architectures, Storage Management, and Auditing.

Responsibilities include, but not limited to:
  • Managing Windows Folders and Files using Attribute-based Access Control (ABAC).
  • Design, implement, and maintain VMware vSphere environments, including vCenter, ESXi hosts, and virtual machines.
  • Troubleshoot and resolve VMware-related issues, including performance bottlenecks, connectivity problems, and resource allocation.
  • Manage, monitor, and troubleshoot Active Directory (AD) and Group Policy infrastructure.
  • Monitor and maintain system/server configuration
  • Administer and support user and group management, including security and distribution groups within Active Directory.
  • Create and maintain comprehensive documentation for systems architecture, processes, and configurations
  • Domestic Travel up to 25%


Minimum Qualifications:
  • Bachelor's Degree and 2+ years of relevant experience, or high school diploma/GED and 4+ years of relevant experience
  • Experience in performing maintenance, repair, upgrade, and full life cycle support of hardware/software interfacing with the enterprise
  • Experience implementing and managing Windows File Shares using ABAC with an understanding of file permission inheritance
  • Provide leadership and mentoring to junior administrators and technical support
  • Security+ certification (active)
  • Collaborate with other IT teams to manage system integration, configuration, and upgrades.
  • Experience with client system security to include scans, patching, audit log review, and system health checks


Preferred Qualifications:
  • Previous NRO and NRO/COMM experience is highly desired
  • COMSEC experience desired
  • Ability to use MS Office and PC
  • Ability to identify and implement new technologies
  • Familiarity with PowerShell
  • Experience with Microsoft Exchange
  • Experience with Linux


Clearance Requirements:
  • Must possess a current / active TS/SCI with Polygraph


Physical Requirements
  • Must be able to be in a stationary position more than 50% of the time
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations


The projected compensation range for this position is $85,000.00-$141,600.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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