ManTech is seeking a Systems Administrator (Horizons) to support our Marine Corps Intelligence Activity contract on MCB Quantico.

Responsibilities include but are not limited to:

• Support and maintain the Virtual Desktop Infrastructure (VDI) platform and associated virtual desktop images to ensure compliance and availability to the end user within the facility

• Perform System Administration functions for multiple standalone networks, which includes troubleshooting of on-premises and off-premises hosted applications and systems

• Provide support for operating systems, which involves the planning, installation, configuration, testing, implementation, and management of the systems environment in support of the organization's IT architecture and business needs

• Provide support by managing all privileges and permissions required for each standalone network respectively

• Installs, configures, troubleshoots, and maintains hardware, software, and administers system accounts

• Check system hardware availability, functionality, integrity, and efficiency

• Conduct functional and connectivity testing to ensure continuing operability

• Conduct periodic system maintenance including cleaning (both physically and electronically), disk checks, routine reboots, data dumps, and testing

• Design group policies and access control lists to ensure compatibility with organizational standards, business rules, and needs

• Develop and document systems administration standard operating procedures

• Comply with organization systems administration standard operating procedures

• Implement and enforce local network usage policies and procedures

• Maintain baseline system security according to organizational policies

• Manage accounts, network rights, and access to systems and equipment

• Oversee installation, implementation, configuration, and support of system components

• Plan, execute, and verify data redundancy and system recovery procedures

• Provide ongoing optimization and problem-solving support

• Troubleshoot hardware/software interface and interoperability problems

• Manage system resources including performance, capacity, availability, serviceability, and recoverability

• Monitor and maintain system configuration

• Diagnose faulty system hardware

• Perform repairs on faulty system hardware

• Install, update, and troubleshoot systems

Minimum Qualifications:

• Bachelor’s degree and four years’ experience. A total of 8 years experience without a degree

• This position requires an active DoD TS/SCI Clearance with the ability to obtain/maintain a SAP Clearance and may require a CI Poly

• Current DoD 8570 IAT Level II Certification (Security+ CE or equivalent)

• Detailed knowledge of virtualization technology (creation, upgrade, maintain, snapshots, restore, backup, etc)

• Experience performing STIGs, maintaining POAM, and creating respective accreditation documentation

• Detailed knowledge of the Windows Operating systems to include Server and Workstation

• Must patch and implement security controls in response to IAVAs and OPDIRs on respective Operating System

• Support, maintain, troubleshoot, install, configure, and upgrade multiple systems

• Respond to, incidents, change requests, and service requests making sure to follow up with the customer to ensure completion

• Working knowledge of network, hardware, and application virtualization

Preferred Qualifications:

• Knowledge of standard DoD and Marine Corps concepts, practices, and procedures. Familiarity with Navy/Marine Corps interoperability requirements is preferred

• PowerShell scripting using any/all of the respective plugins related to the applicable technologies

• Experience with Microsoft and VMware Virtual Desktop Infrastructure (VDI)

• Experience with Active Directory, Group Policy, Linux OS, Networks, MS Exchange, MS Lync, SCCM, Service Manager, SQL Server, Networked Printers/Services, Distributed File Services, Data Protection Manager

Clearance Requirements :

• This role requires an active DoD TS/SCI clearance

Physical Requirements:

• Must be able to remain in a stationary position 50%

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.