Senior Systems Administrator - Military veterans preferred

ManTech (


  full-time   employee

United States

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Systems Administrator to join our team in the Laurel, MD area. 

Responsibilities include, but are not limited to:
•    Build Windows Servers and workstations
•    Troubleshoot windows issues
•    Maintain Active Directory
•    Maintain/Create Group Policies
•    Maintain DHCP
•    Maintain DNS
•    WSUS maintenance
•    VMWare
•    Networking 

Basic Qualifications:
•    Windows server experience and Active Directory experience required
•    Experience with DHCP, DNS, WSUS, VMWare, Networking, and group policies

• Min 5 years’ experience in systems administration of hardware and software in support of developing and testing of IT systems. 
Experience with external network communications  
Proficiency in working with applicable network devices to include switches, routers, and firewalls. 
• Min 5 years’ combined experience in administration of MS Windows, Windows NT, Unix and Linux operating systems. 
• Min 5 years’ experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS 

Preferred Qualifications:
•    Windows certifications

Security Clearance Requirements:
•    TS/SC FS Poly

Physical Requirements:
•    Bending, reaching
•    Lifting servers
•    Racking/Stacking equipment
•    Sedentary work

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

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 because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.